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nRF51822 Development Kit nRF51822 User Guide v1.3 Copyright © 2013 Nordic Semiconductor ASA. All rights reserved. Reproduction in whole or in part is prohibited without the prior written permission of the copyright holder. nRF51822 Development Kit User Guide v1.3 Contents 1 Introduction............................................................................................................................................... 3 1.1 Minimum requirements ................................................................................................................................. 3 1.2 External resources ............................................................................................................................................ 3 1.3 Writing conventions........................................................................................................................................ 3 1.4 Development Kit release notes ................................................................................................................... 3 2 Kit content.................................................................................................................................................. 4 2.1 nRF51822 Development Kit hardware content..................................................................................... 4 2.2 Downloadable content .................................................................................................................................. 5 3 Quick start .................................................................................................................................................. 6 3.1 Install the nRF51822 connector module.................................................................................................. 7 3.2 Bluetooth low energy heart rate monitor demo ................................................................................12 4 Development kit configuration ........................................................................................................... 15 4.1 Development environment........................................................................................................................15 4.2 Kit setup .............................................................................................................................................................18 5 Hardware description ............................................................................................................................ 21 5.1 nRFgo nRF51822 DK modules ...................................................................................................................21 5.2 nRF51822 Development Dongle(PCA10000).......................................................................................30 6 Flash programming and application development......................................................................... 33 6.1 Programming and erasing flash using nRFgo Studio .......................................................................33 6.2 Application development ...........................................................................................................................37 7 Debugging the nRF51822..................................................................................................................... 45 7.1 nRF51822 debug features and precautions .........................................................................................46 8 Testing the physical layer with Direct Test Mode ............................................................................ 49 8.1 Kit setup for UART ..........................................................................................................................................49 8.2 Programming the nRF51822 module with DTM.................................................................................52 8.3 DTM testing using nRFgo Studio..............................................................................................................52 9 Software Development Kit ................................................................................................................... 53 9.1 Installing the nRF51 SDK..............................................................................................................................53 10 Troubleshooting ..................................................................................................................................... 54 Appendix A: Installing drivers and configuring KEIL projects for the SEGGER debugger........ 56 Page 2 of 62 nRF51822 Development Kit User Guide v1.3 1 Introduction The nRF51822 Development Kit (DK) for Bluetooth® low energy/2.4 GHz proprietary provides a complete solution for developing, testing, and evaluating the nRF51822 device. nRF51822 is part of the nRF51 series which offers a range of ultra-low power System on Chip (SoC) solutions for your 2.4 GHz wireless products. 1.1 Minimum requirements • nRFgo Starter Kit • nRFgo Studio v1.14 or later • Computer with a minimum of 2 USB ports • Windows XP 32 bit (SP3) or Windows 7 1.2 External resources • Keil MDK-ARM Lite v4.54 or later https://www.keil.com/demo/eval/arm.htm • J-Link Software v4.56 or later http://www.segger.com/jlink-software.html 1.3 Writing conventions This User Guide follows a set of typographic rules that makes the document consistent and easy to read. The following writing conventions are used: • Commands are written in Lucida Console. • Pin names are written in Consolas. • File names and user interface components are written in bold. • Internal cross references are italicized and written in semi-bold. 1.4 Development Kit release notes Date July 2013 January 2013 Kit version 2.1.0 2.0 September2012 1.0 Description Upgraded the nRF51822 chip to build code FA/F0. Removed R1 on PCA10000 and R20 on PCA10004 and PCA10005. Fixed known issue in kit v1.0. New features on PCA10000 v2.0: • Multicolor LED • Updated UART configuration. Known issues PCA10000 v1.0, PCA10004 v1.0, and PCA10005 v1.0: • The antenna matching network and layout on these boards is suitable for applications using TX output power 0 dBm or less. These boards are not suitable for applications using +4 dBm TX output power. Page 3 of 62 nRF51822 Development Kit User Guide v1.3 2 Kit content The nRF51822 DK consists of hardware and access to software components, documentation, and design files from www.nordicsemi.com. 2.1 nRF51822 Development Kit hardware content 1 x Helical monopole SMA antenna 5 x nRF51822 chip samples 1 x J-Link Lite CortexM-9 JTAG/SWD Emulator 1 x nRF51822 Development Dongle (PCA10000) 1 x nRF51822 DK PCB antenna module (PCA10004) 1 x 10 pin connector 1 x USB cable Figure 1 nRF51822 DK hardware content 1 x nRF51822 DK SMA connector module (PCA10005) Page 4 of 62 nRF51822 Development Kit User Guide v1.3 2.2 Downloadable content The nRF51822 Development Kit includes firmware source code, documentation, hardware schematics, and layout files. To access these files, log in to your My Page account, enter your product key, and download the files. Instructions can be found in Chapter 3 on page 6. 2.2.1 nRF51822 DK software content • nRFgo Studio • nRF51 Software Development Kit (SDK) • Precompiled HEX files • Source code • Keil ARM project files • S110 nRF51822 SoftDevice • Master Control Panel 2.2.2 nRF51822 DK documentation • nRF51822 Development Kit User Guide • nRF51 Series Reference Manual • nRF51822 PS • S110 nRF51822 SoftDevice Specification • nRF51 SDK • nRF51822 PAN 2.2.3 Schematics, Bill of Materials, PCB layout files, and production files The ZIP file and its subdirectories contain the hardware design files for the nRF51822 DK. • Altium Designer files • Schematics • PCB layout files • Production files • Assembly drawings • Drill files • Gerber files • Pick and Place files • Bill of Materials Page 5 of 62 nRF51822 Development Kit User Guide v1.3 3 Quick start This section shows you how to set up the nRF51822 Development Kit and provides example applications to help you start programming your device. Register, download, and install 1. If you have Keil MDK-ARM Lite already installed, go to step 2. Otherwise, download and install Keil MDK-ARM Lite from https://www.keil.com/demo/eval/arm.htm to your hard drive. Keil downloads to c:\Keil\ unless you change the location when installing. 2. Download and run the J-Link Software and documentation pack for Windows from http://www.segger.com/jlink-software.html. The serial number from your SEGGER J-Link hardware is needed to identify your device and can be found printed on the chip on the J-Link Lite emulator board. 3. During installation you will be prompted to select the IDE that should be updated with the latest SEGGER DLLs. Check the box for Keil MDK and any other IDEs you want to use with SEGGER. 4. If you are using Keil MDK v4.54, go to: http://www.segger.com/IDE_Integration_Keil.html#knownproblems. Download JL2CM3 and copy it to /ARM/Segger. This patch is necessary for the SEGGER debugger to work. 5. Go to www.nordicsemi.com and log in to your Nordic My Page account. 6. Select MY KEYS from the left menu. This takes you to the My Keys page. 7. Enter the product key (included with this kit) into the Product Key field and click Add. 8. Click MY PRODUCTS in the left menu. 9. From the Add product dropdown, select the product name and click Add. The chosen product is now listed in the below Overview, My Products table. 10. In the Overview, My Products table click the Downloads link next to the product name to go directly to the relevant product page download section. 11. Download and run the nRF51 SDK installer. Make sure to choose the Keil MDK-ARM installer option. Page 6 of 62 nRF51822 Development Kit User Guide v1.3 3.1 Install the nRF51822 connector module Connect the hardware 1. Screw the antenna into the SMA connector on the nRF51822 DK SMA (PCA10005) connector module. 2. Ensure that header K1 has a jumper connecting pin 2 and 3. The two upper rows of P4 should have two jumpers placed vertically matching the 32 kHz marking. SMA connector K1 header P4 Page 7 of 62 nRF51822 Development Kit User Guide v1.3 3. Plug the nRF51822 DK SMA connector module into the nRFgo Starter Kit Motherboard (nRF6310). 4. Connect a USB cable from the Motherboard to your computer. 5. Using two 10 pin flat cables (2.54 mm, included in the nRFgo Starter Kit), connect one cable between P8 (PORT0) and P1 (BUTTONS) and one between P10 (PORT1) and P2 (LEDS) on the nRFGo Motherboard. Make sure the red marking on the cable is always connected to pin 1, as shown in the figure below. 6. Connect the SEGGER J-Link board to the nRF51822 module with the 10 pin flat cable (1.27 mm, provided in the Development Kit). 7. Connect a USB cable from the J-Link board to your computer. P8 P10 P1 P2 Page 8 of 62 Turn on and set the supply voltage 1. Slide the S8 switch on the Motherboard to VBUS. 2. Slide the On/Off switch on the Motherboard to ON. 3. The VCC and VTG LEDs will light up. S8 switch On/Off switch nRF51822 Development Kit User Guide v1.3 VCC and VTG LED Board ID 4. Start nRFgo Studio. The Motherboard firmware may require an update, and if needed, you will be prompted to begin the update. If this occurs, click OK and wait for the update to complete. Note: While updating the firmware, you will see nRFgo Studio look similar to the image on the left below. On completion of the update, the “Updating…” message will change to “Upgrade” as seen in the figure on the right; however, this option is not immediately available after the latest update and will be greyed out. Page 9 of 62 nRF51822 Development Kit User Guide v1.3 5. Select the desired motherboard from the Device Manager pane in nRFgo Studio. To find the board ID, look on the 7-segment display on the Motherboard. 6. In nRFgo Studio, you can control the supply voltage (VTG) to the connected nRF51822 module. Make sure the voltage is set to 3.3 V. Note: • Please refer to nRFgo Studio's help file for further information. While in nRFgo Studio, press F1 to open the help file. • The nRF51822 device is capable of operating at voltages higher and lower than 3.3 V. This can be tested when the debugger is not required for programming or debugging the application. However, for the J-Link Lite Cortex-M (that is included in the kit) to function correctly, the supply voltage must be set to 3.3 V on the Motherboard. At all voltages other than 3.3 V, the J-Link Lite CortexM-9 debugger should be disconnected from the nRF51822 module (SEGGER has debuggers that are capable of debugging in the entire voltage range). The supply voltage operating range of the nRF51822 device is stated in the Product Specification. Page 10 of 62 nRF51822 Development Kit User Guide v1.3 Start the Blinky project Before you start, make sure the device is empty by doing the following: 1. Open nRFgo Studio. 2. In the Device Manager select the motherboard your module is connected to. 3. Select the module. 4. If you have more than one SEGGER debugger connected, you need to select which one you want to use. 5. Click the Erase all button. Load and run the Blinky project: 1. Locate the Blinky project found under \ARM\Device\Nordic\nRF51822\Board\nrf6310\blinky_example\arm. 2. Open the Blinky project in Keil μVision by double clicking the blinky.uvproj file. 3. Select nRF51822 from the Select Target list and click Build or press F7 to compile the Blinky project. 4. Click the Load icon to download and run the Blinky example firmware. LED0 to LED7 on the nRFgo Starter Kit Motherboard should now blink sequentially. Page 11 of 62 nRF51822 Development Kit User Guide v1.3 3.2 Bluetooth low energy heart rate monitor demo This section shows you how to program a heart rate monitor demo on top of a SoftDevice that will send data on a Bluetooth link from the heart rate monitor to the Master Control Panel. Download and program the SoftDevice Type the product key (included with the Development Kit) into the Product Key field in My Page to download the S110 nRF51822 SoftDevice. Follow these steps to program your device: 1. Open nRFgo Studio. 2. In the Device Manager select the motherboard your module is connected to. 3. Select the module. 4. If you have more than one SEGGER debugger connected, you need to select which one you want to use. 5. Select the Program SoftDevice tab. 6. Click Browse and navigate to the SoftDevice file you downloaded. 7. Click Program. Page 12 of 62 nRF51822 Development Kit User Guide v1.3 Compile, program, and run the heart rate monitor demo Note: The Development Dongle must be unplugged during these steps. 1. Locate the Heart Rate demo project found in the folder \ARM\Device\Nordic\nrf51822\board\nrf6310\ble\ble_app_hrs\arm. 2. Open the Heart Rate demo project in Keil μVision by double clicking the ble_app_hrs.uvproj file. 3. Click the Build icon or press F7 to build the project. 4. Only one SEGGER device should be connected to your computer. Make sure it is also connected to the nRF51822 development module to ensure the program is downloaded to the correct target. 5. Go to the Flash menu and click Download to load the program (or click the Load icon). 6. The Heart Rate demo example will start executing. LED0 should be lit indicating it is advertising. 7. The application advertises for 3 minutes. If a connection isn’t made within this period, the application sets nRF51822 in System Off. 8. To start advertising again press Button 0. Install the Master Control Panel and nRF51822 Development Dongle (PCA10000) 1. Download and install the Master Control Panel from our website. Make sure to select the version that corresponds to your hardware. 2. Plug the Development Dongle into a USB port on your computer. 3. An icon will appear in the lower right corner of your monitor showing that the drivers are being installed. Wait until it is ready. Scan for available Bluetooth low energy devices 1. Open the Master Control Panel from the Start menu (Start > All Programs > Nordic Semiconductor > Master Control Panel). 2. Make sure the Development Dongle is detected. The Master Emulator item list should show COMnn-xxxxxxxxx (nn gives the COM port number; xxxxxxxxx is the SEGGER serial number printed on the dongle). Restart the application if it doesn’t appear in the item list. Before continuing, make sure you have selected the correct device by verifying the serial number in the item list with the serial number printed on the Development Dongle. 3. When you use the Development Dongle for the first time, you must first program it with the Master Emulator Firmware. a. In the Master Control Panel menu click File and select Flash Programming. b. Click Browse. This opens a browser that automatically points to the location of the mefw_nrf51822__firmware.hex ( will be replaced by a number giving the version of the actual firmware). The Master Control Panel Firmware file is located in: C:\Program Files (x86)\Nordic Semiconductor\Master Control Panel\\firmware\pca10000\MEFW_nRF51822__firmware.hex. c. Select the Master Emulator Firmware file and click Open. d. Click Program to start programming the selected device. e. When the programming is finished click Exit to go back to the main window. 4. Click Start discovery. The Development Dongle will scan for available Bluetooth low energy devices within range and list them. 5. Select the device CompleteLocalName ‘Nordic_HRM’ in the Discovered Devices list. 6. Click Select device. 7. Click Service Discovery. In the Service discovery pane you will see the services and characteristics of the device. On the Motherboard LED0 will turn off and LED1 will light up indicating that is has gone from advertising to connected. Page 13 of 62 nRF51822 Development Kit User Guide v1.3 8. Click Enable services. You should see the Heart Rate Measurement characteristic and Battery Level being notified every few seconds with a different value (the Heart Rate Measurement/ Battery Level value line will blink green for each notification). Page 14 of 62 nRF51822 Development Kit User Guide v1.3 4 Development kit configuration This chapter includes downloadable third party content and information about how the development environment is set up. 4.1 Development environment ARM compiler/IDE (not included in this kit) All the source code projects and examples can be compiled and used with the Keil Microcontroller Development Kit (MDK). For full use of the Development Kit source code projects, and to upgrade firmware, download and install the free KEIL MDK-ARM Lite from https://www.keil.com/demo/eval/arm.htm. J-Link Lite CortexM-9 driver (not included in this kit) For installing drivers for the SEGGER J-Link Lite CortexM-9, visit www.segger.com and go to the Downloads section. Select the J-Link Lite and download the software and documentation. You must correctly install the drivers for the device to use the J-Link debugger with Keil MDK. See Appendix A “: Installing drivers and configuring KEIL projects for the SEGGER debugger” on page 56. 4.1.1 Development environment setup The nRF51822 device can be programmed from several environments. This section shows the development setup using Keil MDK-ARM. The nRF51822 DK can be configured to develop proprietary 2.4 GHz protocolbased applications and Bluetooth 4.0 single-mode applications. For development of proprietary 2.4 GHz protocol-based applications, you need: • 2 x Motherboards (from the nRFgo Starter Kit - not included) • 2 x nRF51822 modules Page 15 of 62 nRFgo Starter Kit nRF51822 DK Examples and Applications written for Keil nRF51 SDK nRF51822 Development Kit User Guide v1.3 Keil µVision IDE SAMSUNG J-Link Lite USB 10 pin Flat Cable Application Programming & Erase (Via J-Link) USB nRFgo Studio Configure Voltage nRF51822 module USB Figure 2 nRF51822 DK configuration for 2.4 GHz based development Page 16 of 62 nRF51822 Development Kit User Guide v1.3 For development or demonstration of Bluetooth 4.0 single-mode applications, you need: • 1 x Motherboard with attached nRF51822 module • 1 x nRF51822 Development Dongle (PCA10000) • Master Control Panel software Figure 2 on page 16 and Figure 3 below show the relationship between the hardware and software components, and the Motherboard(s). Note: The Keil μVision IDE is not included in the kit content. nRFgo Starter Kit nRF51822 DK Examples and Applications written for Keil nRF51 SDK Keil µVision IDE SAMSUNG J-Link Lite USB 10 pin Flat Cable Application Programming & Erase (Via J-Link) USB nRFgo Studio Configure Voltage Master Control Panel Control USB PCA10000 nRF51822 module Figure 3 nRF51822 DK configuration for Bluetooth 4.0 single-mode Page 17 of 62 4.2 Kit setup nRF51 module nRF51822 Development Kit User Guide v1.3 USB connected to computer 10 pin 2.54 mm flat cable 10 pin 1.27 mm flat cable J-Link Lite CortexM P8 P10 P1 P2 USB connected to computer Figure 4 Kit setup Page 18 of 62 nRF51822 Development Kit User Guide v1.3 4.2.1 nRFgo nRF51822 DK modules The nRF51822 modules contain the nRF51822 device and its interfaces (see Section 5.1 on page 21 for a complete description). The modules are plugged into the Motherboard which provides the power supply. Make sure the jumper on header K1 is placed in the default position as described in Section 5.1.8 on page 29. The Motherboard is connected to your computer with a USB cable and turned on as described in "Turn on and set the supply voltage" on page 9. On the Motherboard, the two 10 pin flat cables connecting P8 (PORT0) and P1 (BUTTONS), and P10 (PORT1) and P2 (LEDS) are required to connect the correct I/Os to the LEDs for the example projects in Chapter 2 on page 4 and for projects in the SDK. Note: With the nRFgo Studio application you can control the supply voltage (VTG) to the connected nRF51822 DK module as described in "Turn on and set the supply voltage" on page 9. 4.2.2 nRF51822 Development Dongle (PCA10000) The nRF51822 Development Dongle (PCA10000) enables you to see the data sent between the dongle and a single nRF51822 device. The nRF51822 Development Dongle is plugged into a USB port on your computer as described in "Compile, program, and run the heart rate monitor demo" on page 13. 4.2.3 J-Link Lite CortexM-9 JTAG/SWD Emulator The programming and debugging (SWD) interface of the nRF51822 device is accessed through a 10 pin connector (P3) on the nRF51822 DK module. Pin 1 Figure 5 Pin 1 position on the SEGGER J-Link Lite CortexM-9 Page 19 of 62 nRF51822 Development Kit User Guide v1.3 Connect the JTAG/SWD emulator using the 10 pin 1.27 mm flat cable supplied with the kit to the nRF51822 DK module at P3 and to your computer with a USB cable, as shown in Figure 6. Figure 6 nRF51822 DK module connected to the SEGGER J-Link Lite CortexM-9 Page 20 of 62 nRF51822 Development Kit User Guide v1.3 5 Hardware description This chapter describes the nRF51822 DK modules and the nRF51822 Development Dongle (PCA10000). 5.1 nRFgo nRF51822 DK modules The nRF51822 modules (PCA10004, PCA10005) are delivered with an unprogrammed nRF51822 chip. 5.1.1 Key features The nRF51822 DK modules have the following key features: • nRF51822 flash based SoC solution • 2.4 GHz compatible with nRF24L devices • Bluetooth low energy compatible • Current Shunt Monitor (CSM) for current measurements • nRFgo Motherboard integration • PCB antenna (PCA10004 only) • SMA connector compatibility (PCA10005 only) • SWD interface connector for programming and debugging Page 21 of 62 5.1.2 Hardware pictures nRF51822 Development Kit User Guide v1.3 Figure 7 nRF51822 DK module (PCA10004) top Figure 8 nRF51822 DK module (PCA10004) bottom Page 22 of 62 nRF51822 Development Kit User Guide v1.3 Figure 9 nRF51822 DK module (PCA10005) top Figure 10 nRF51822 DK module (PCA10005) bottom Page 23 of 62 5.1.3 Block diagram Ext A1 Ext B1 CSM nRF51822 Development Kit User Guide v1.3 SWD Analog nRF51822 Matching network Osc Osc 32.768 kHz 16 MHz Figure 11 nRF51822 DK module block diagram SMA/ PCB antenna Page 24 of 62 nRF51822 Development Kit User Guide v1.3 5.1.4 nRFgo nRF51822 DK module extension Connectors P1 and P2 on the nRF51822 DK module connect to the Motherboard. VCC VCC GND P0.00 P0.02 P0.04 P0.06 GND Not in use Not in use GND Not in use Not in use Not in use P0.08 P0.10 P0.12 P0.14 GND GND 12 34 56 78 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 VCC_nRF' VCC_nRF' GND P0.01 P0.03 P0.05 P0.07 GND Not in use Not in use GND Not in use RESET Not in use P0.09 P0.11 P0.13 P0.15 GND GND VTG VTG GND P0.24 P0.26 P0.28 P0.30 GND Not in use Not in use GND BoardID GND Not in use P0.16 P0.18 P0.20 P0.22 GND GND 12 34 56 78 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 VTG VTG GND P0.25 P0.27 P0.29 Not in use GND Not in use Not in use GND GND GND BoardID_EE P0.17 P0.19 P0.21 P0.23 GND GND P1 P2 Figure 12 nRF51822 DK module connectors - P1 and P2 Page 25 of 62 nRF51822 Development Kit User Guide v1.3 5.1.5 Analog inputs Direct access to the nRF51822 analog input is available on connector P5 on the nRF51822 DK module. Note: P5 is not mounted on the board. The analog inputs are routed through the extension connectors to the Motherboard. To avoid noise from the Motherboard, the 0  resistors must be removed. AIN0 AIN2 AIN4 AIN6 AREF0 12 34 56 78 9 10 AIN1 AIN3 AIN5 AIN7 GND Figure 13 Analog inputs connector P5 on the nRF51822 DK board Pin Label 0  resistor 1 AIN0 R7 2 AIN1 R8 3 AIN2 R9 4 AIN3 R10 5 AIN4 R11 6 AIN5 R12 7 AIN6 R13 8 AIN7 R14 9 AREF0 R15 10 GND Table 1 Analog input connector P5 Page 26 of 62 nRF51822 Development Kit User Guide v1.3 5.1.6 SWD interface The programming and debugging interface is accessed through the 10 pin connector P3 on the nRF51822 DK module. VTG GND GND NC GND 12 34 56 78 9 10 SWDIO SWDCLK NC NC NC Figure 14 SWD interface connector P3 Pin Label 1 VTG 2 SWDIO 3 GND 4 SWDCLK 5 GND 6 NC 7 NC 8 NC 9 GND 10 NC Description Reference voltage for programmer Serial Wire Debug Data Ground Serial Wire Debug Clock Ground No Connection No Connection No Connection Ground No Connection Table 2 SWD interface connector pin description Page 27 of 62 nRF51822 Development Kit User Guide v1.3 5.1.7 32.768 kHz crystal The nRF51822 can use an optional 32.768 kHz crystal (X2) for higher accuracy and lower average power consumption. On the nRF51822 DK module, P0.26 and P0.27 are disconnected from the Motherboard and connected to the two jumpers on the nRF51822 DK module at the position 32 kHz on connector P4 (Pin 1 and Pin 3 for XL1 and Pin 2 and Pin 4 for XL2). This is the default position of the jumpers when shipped. Note: The 32.768 kHz crystal has to be selected for the Bluetooth examples to work. If the jumpers are placed in the position I/O on connector P4 (Pin 3 and Pin 5 for XL1 and Pin 4 and Pin 6 for XL2), P0.26 and P0.27 connects to the Motherboard and can be used for normal I/O. P0.27 R8 0R XL2 AIN1 C14 12pF 56 34 12 P4 Pin Header 2x3 SMD P0.26 R7 0R AIN0 XL1 X2 32.768kHz C13 12pF Figure 15 32.768 kHz crystal circuit schematic and PCB Page 28 of 62 nRF51822 Development Kit User Guide v1.3 5.1.8 Current measurements The current drawn from the nRF51822 device can be monitored using the Current Shunt Monitor (CSM), INA216 (U2). The gain of the CSM is set to 200 V/V for lowest possible drop voltage. For current measurements using the CSM, the jumper on connector K1 must be placed on Pin 2 and Pin 3. This is the default position of the jumpers when shipped. Current on the nRF51822 module is measured on connector K2 as voltage proportional to the current. For current measurements using the jumper P7 on the Motherboard, the jumper on connector K1 must be placed on Pin 1 and Pin 2.     #   "   "      !    "    Figure 16 Current measurement circuit schematic and PCB Page 29 of 62 nRF51822 Development Kit User Guide v1.3 5.2 nRF51822 Development Dongle(PCA10000) The nRF51822 Development Dongle (PCA10000) can be used as a development platform for the nRF51822 device. It features an on-board programming and debugging solution from SEGGER. In addition to radio communication, the nRF51822 device can communicate with a computer through a virtual COM port provided by the SEGGER chip. The PCA10000 can be loaded with Master Emulator firmware, that when combined with the Master Control Panel, gives you a peer device for nRF51822 that you can use to test the wireless connection. Note: PCA10000 can be reprogrammed if overwritten. 5.2.1 Key features The PCA10000 has the following key features: • nRF51822 flash based SoC solution • Bluetooth low energy compatible • 2.4 GHz compatible with nRF24L devices • USB to UART bridge • SEGGER J-Link OB programming and debugging capabilities 5.2.2 Hardware pictures Figure 17 PCA10000 top side Figure 18 PCA10000 bottom side Page 30 of 62 5.2.3 Block diagram nRF51822 Development Kit User Guide v1.3 Voltage regulator VBUS USB Data VCC_nRF SWD Segger OB UART RGB LED nRF51822 Antenna Matching network Osc 32.768 kHz Osc 16 MHz Figure 19 PCA10000 block diagram Figure 20 5.2.4 Mulitcolor LED The Development Dongle (PCA10000) is equipped with a multicolor RGB LED. The LED is connected to dedicated I/Os on the nRF51822 chip. The connections are shown in Table 3. Color Red Green Blue GPIO P0.21 P0.22 P0.23 Table 3 LED connection The LEDs are active low, meaning that writing a logical zero ‘0’ to the output pin will illuminate the LED.         Figure 21 LED configuration Page 31 of 62 nRF51822 Development Kit User Guide v1.3 5.2.5 UART configuration The Development Dongle v1.0 UART lines are connected to pins P0.00 to P0.03 as shown in Table 4. nRF51822 GPIO UART P0.00 RTS P0.01 TXD P0.02 CTS P0.03 RXD SEGGER IC UART CTS RXD RTS TXD Table 4 Development Dongle v1.0 UART configuration The Development Dongle v2.0 UART lines are connected to pins P0.08 to P0.11 as shown in Table 5. nRF51822 GPIO UART P0.08 RTS P0.09 TXD P0.10 CTS P0.11 RXD SEGGER IC UART CTS RXD RTS TXD Table 5 nRF51822 Development Dongle UART configuration Note: The UART signals are routed directly to the SEGGER chip. The pins should only be used for UART. In order to use the USB to UART bridge, the software on the nRF51822 has to enable flow control. For details on how to set up the UART with flow control, see the nRF51 Series Reference Manual. Page 32 of 62 nRF51822 Development Kit User Guide v1.3 6 Flash programming and application development The nRF51822 chip is shipped without pre-programmed software. This gives you the option of developing your application directly onto the chip or alternatively, by using our S110 nRF51822 SoftDevice, which is a Bluetooth low energy peripheral protocol stack solution. For more information, see the S110 nRF51822 SoftDevice Specification. In this chapter we describe how to program and erase the S110 nRF51822 SoftDevice or another application HEX file on the nRF51822 chip. If you want to start developing on the nRF51822 chip without using the S110 nRF51822 SoftDevice see Section 6.1.4 on page 35. 6.1 Programming and erasing flash using nRFgo Studio Use nRFgo Studio to program or erase a SoftDevice or application HEX file onto the nRF51822 chip. Note: For details on memory organization and protection see the nRF51 Series Reference Manual. Device Manager List of SEGGER debuggers nRF51 chip identification Code memory - Memory readback protection - SoftDevice identification Programming tools Figure 22 nRFgo Studio dashboard Page 33 of 62 nRF51822 Development Kit User Guide v1.3 6.1.1 Selecting a board to program 1. Open nRFgo Studio. 2. In the Device Manager pane select which board to program or erase. 3. The nRF51822 DK modules (PCA10004/ PCA10005) cannot be selected directly. The boards must be selected through the J-Link debugger connected to them. To do this, you either select the actual module located under Motherboard > Boardx or by clicking on nRF51 Programming. 4. Select the debugger you want to use from the list of available J-Link debuggers under Segger to use. 6.1.2 Identifying the nRF51 chip and chip content When you select a board, nRFgo Studio identifies the nRF51822 chip and how its memory is organized. The following chip and memory information is displayed: • nRF51 chip identification - Identifies the chip by name and code variant (for example, nRF51822 QFAACA). If the debugger is not connected to the chip, or the debugger has a problem communicating with the chip, it will show the following message “No device detected. Ensure that you have the SEGGER connected correctly to the board and that the board is powered and configured for debugging.” • Code memory - Shows how the code memory is organized in one or two regions (Region 0 and 1) and the size of each region. For devices containing a SoftDevice, the code memory is divided in two regions, with the SoftDevice in Region 0. The tool shows you how much memory is used by the SoftDevice and how much is left for the application. • Memory readback protection - Shows how the readback protection is set. The two possible options are readback protection on Region 0 or readback protection of the whole code memory. If there is only one region the option is readback protection on (All) or off. • SoftDevice identification - nRFgo Studio tries to identify the firmware located in the chip at Region 0. For the firmware that it recognizes it prints the ID (in clear text) for the unrecognized firmware it prints the FWID number. 6.1.3 Erase all Use Erase all in the following situations: • You have a chip that is programmed with a SoftDevice but you want to remove it and have a blank chip. • You have programmed an application on a clean chip using nRFgo Studio with the option “Lock entire chip from readback”. To use the Erase all function, follow the steps in Section 6.1.1 on page 34. Then click Erase all. Page 34 of 62 6.1.4 Programming a SoftDevice This function lets you program the SoftDevice onto the chip. nRF51822 Development Kit User Guide v1.3 1. Follow the steps in Section 6.1.1 on page 34 and then select the Program SoftDevice tab. 2. Click Browse and select the HEX file to program. 3. Select whether to enable or disable readback protection of Region 0. 4. Set the SoftDevice size. This sets the size of the code memory region 0 and will not be available if the size is defined by the HEX file. Note: The S110 nRF51822 SoftDevice can be downloaded from www.nordicsemi.com by logging into your MyPage account and entering the product key printed in the Development Kit. Page 35 of 62 nRF51822 Development Kit User Guide v1.3 6.1.5 Programming an application This function lets you program an application onto the chip. Before nRFgo Studio starts programming it verifies that the HEX file matches the actual memory configuration. If it matches, nRFgo Studio continues with the programming, if not it stops the programming and returns an error message. For example, if an application requires the SoftDevice on the chip, it will check the memory configuration for the SoftDevice before programming the chip. Note: This programming will not set up any memory Regions. 1. Follow the steps in Section 6.1.1 on page 34 and then select the Program Application tab. 2. Click Browse and select the HEX file to program. 3. Select whether to enable or disable readback protection of the entire chip. If you enable readback protection, you will have to do an Erase All to reprogram the chip again. Note: A chip that is programmed with Lock entire chip from read back enabled will not work with a development toolchain. To make it work you must perform Erase all. Lock entire chip from read back can be used to prevent an accidental overwrite of the chip content. Page 36 of 62 nRF51822 Development Kit User Guide v1.3 6.2 Application development The user application is compiled, linked, and downloaded independently from the SoftDevice. This means that developing and debugging on a chip pre-programmed with a SoftDevice is similar to that of a blank chip. The main differences are memory layout and the call stack size. 6.2.1 Configuring memory layout Specific SoftDevice versions and stacks could have different requirements. Please review these before proceeding. The applications vector table must be set up differently depending on whether it will run on a chip that is blank or pre-programmed with a SoftDevice. The SoftDevice program area starts at address 0x0 and has a predefined size. The application start vector must be placed right after the SoftDevice. The available size has to be set so that it uses the remaining memory for the application. Similarly, the SoftDevice data area starts at the lowest RAM address. The application data area must be placed after the SoftDevice data area. Table 6 shows examples for setting up the start address and size depending on the code and data size used by the SoftDevice. The example is based on a chip with 256 kB of code memory and 16 kB of RAM. SoftDevice Device App. code Available code App. data configuration Code memory usage RAM usage start address memory start address Blank chip 0 kB 0 kB 0x0 0x40000 0x20000000 SoftDevice A 64 kB 2 kB 0x10000 0x30000 0x20000800 SoftDevice B 128 kB 8 kB 0x20000 0x20000 0x20002000 Available RAM 0x4000 0x3800 0x2000 Table 6 SoftDevice memory layout Note: See the nRF51822 Product Specification for details on the total code memory and RAM available in the device. The amount of code memory and RAM used by the SoftDevice is described in the S110 nRF51822 SoftDevice Specification. There are two ways to configure the memory layout: • Using Keil IDE • Using a Scatter file (not covered in this document) Note: The example code given by Nordic Semiconductor configures the memory layout in the Keil IDE. Scatter file loading is not available when using the evaluation version of Keil IDE. Page 37 of 62 6.2.1.1 Memory layout configuration in Keil IDE To access the Keil IDE memory layout: 1. Click the Project menu and select Options for Target. 2. Select the Linker tab. 3. Check Use memory layout from Target Dialog. nRF51822 Development Kit User Guide v1.3 Figure 23 Keil linker settings Page 38 of 62 nRF51822 Development Kit User Guide v1.3 4. Select the Target tab. 5. In Read/Only Memory Areas, define values for Start and Size. 6. In Read/Write Memory Areas, define values for Start and Size as seen in Figure 24. 7. Click OK. Below is an example configuration for an application using a chip with 256 kB of code memory and 16 kB of RAM, and a SoftDevice using 128 kB of code memory and 8 kB of RAM (SoftDevice B described in Table 6 on page 37). • Base code memory address 0x20000 and available code memory size is 0x20000 (128 kB). • Base RAM memory address 0x20002000 and available RAM size is 0x2000 (8 kB). Figure 24 Memory layout with example SoftDevice Memory IROM1 IRAM1 Description Start Specify the start address for the application code Size Specify available code size for the application code Start Specify start address for the application data Size Specify available RAM size for the application data Table 7 Memory layout Page 39 of 62 nRF51822 Development Kit User Guide v1.3 6.2.2 Shared call stack The user application shares the call stack with the SoftDevice if the SoftDevice is loaded on the chip. The application must reserve enough memory for both itself and the SoftDevice in the call stack. The call stack size required by the SoftDevice varies between devices and protocol stack versions, and is supplied in the S110 nRF51822 SoftDevice Specification. The user application sets its call stack size plus the amount needed by the SoftDevice. It then writes the stack pointer at the first address of the application Reset Vector. Note: Using Keil with the ARMCC toolchain, the call-stack size can be set using the Stack_Size definitions in your projects startup file, typically arm_startup_nrf51.s. Stack_Size EQU call-stack size AREA Stack_Mem SPACE __initial_sp 0x400 ; The application call-stack size + protocol STACK, NOINIT, READWRITE, ALIGN=3 Stack_Size Page 40 of 62 nRF51822 Development Kit User Guide v1.3 6.2.3 Debugger configuration Project files delivered in the SDK are configured and ready for download and debugging. If a new application project is used, the debugger must be properly configured. To configure the debugger: 1. In Keil, select Options for Target (ALT+F7) from the Project menu. The Options for Target dialog box appears. 2. Select the Debug tab. 3. Apply the Use option and select the J-Link/J-Trace debugger from the list. 4. Set Driver DLL to SARMCM3.DLL. 5. Set Dialog DLL to TARMCM1.DLL. Other options can be selected as needed. To take full advantage of the debugger and its features, the following are advised: • Breakpoints • Load Application at Startup • Memory Display • Toolbox • Watch Windows Figure 25 Debugger options 6. Click Settings next to the Use field in the top right of the window. Page 41 of 62 nRF51822 Development Kit User Guide v1.3 7. In the Target driver setup, provide information about debugging protocol and maximum speed. Select SW in the Port drop-down. 8. In Max Clock the maximum speed for the debugging port cannot be exceeded (1 MHz). A proper configuration is shown in Figure 26 on page 42. Figure 26 Target driver setup 9. Click Start/Stop Debug Session (CTRL+F5) in the Keil IDE to start debugging. Figure 27 Debugger initiation Page 42 of 62 nRF51822 Development Kit User Guide v1.3 6.2.4 Limitation when debugging on a chip with a SoftDevice When a SoftDevice is installed in a device, there are certain limitations when debugging. 6.2.5 Programming the device To guarantee the correct functionality of the SoftDevice, the microcontroller includes a Memory Protection Unit that prevents access to certain resources. The debugger will read this area as 0x0000 (no operation instruction). The code memory area occupied by the SoftDevice is write and erase protected. When the SoftDevice is enabled, the Memory Protection Unit implements a write protection to certain peripherals used by the protocol stack. Protected peripherals are described in the S110 nRF51822 SoftDevice Specification.Configure the debugger and compile and link the application code. Download the application using the Keil IDE download button. To configure and start the download: 1. Select Options for Target in the Project menu. 2. Select the Utilities tab in the Options for Target dialog box. 3. Click Settings. 4. Select the Program check box. 5. Choose Erase Full Chip. 6. Click Add and select the nRF51xxx algorithm from the list to select the programming algorithm used by Keil IDE. 7. Click Download. Note: The nRF51xxx algorithm is installed automatically during the SDK installation. This algorithm is a generic nRF51 series algorithm, which provides download capabilities to all series devices up to 2 MB of code memory. Figure 28 Selecting J-Link/J-Trace Cortex Page 43 of 62 nRF51822 Development Kit User Guide v1.3 8. In the Utilities tab, select Use Target Driver for Flash Programming. 9. Choose the available debugger from the list as shown in Figure 29. Figure 29 Debugger selection 6.2.6 Erasing the device The code memory area available for the user application can be erased by doing the following: 1. In the Target options dialog select the Utilities tab. 2. Click Settings and select Erase Full Chip. 3. Uncheck Program and Verify. A normal download procedure will erase the device application code memory area. Figure 30 Erasing Note: To erase the whole device, including the SoftDevice, refer to Section 6.1.3 on page 34 for instructions. Page 44 of 62 nRF51822 Development Kit User Guide v1.3 7 Debugging the nRF51822 For debugging with SEGGER J-Link, see Appendix A on page 56. For general information of how to debug using the Keil μVision IDE, see http://www.keil.com/uvision/debug.asp. The following steps tell how to configure the debugger in Keil. 1. In the Project menu click Options for Target (CTRL+F7). 2. Select the Debug tab. 3. To enter debugging mode click Start/Stop Debug Session or CTRL+F5. Figure 31 Start debugging mode Page 45 of 62 nRF51822 Development Kit User Guide v1.3 7.1 nRF51822 debug features and precautions This section contains information about the System Viewer Windows and debugging an application when a readback protected SoftDevice is present. 7.1.1 System Viewer windows The System Viewer enables you to select device peripherals and see their contents in separate windows. In the View menu point to System Viewer and select the peripheral you want to see. The peripheral register values are displayed in their respective pane in Keil, as seen in Figure 32. More information on System Viewer can be found at: http://www.keil.com/uvision/db_view_sysview.asp. Figure 32 System Viewer window of the RNG peripheral Page 46 of 62 nRF51822 Development Kit User Guide v1.3 7.1.2 Debugging an application when a readback protected SoftDevice is present Debugging applications with a SoftDevice present behaves as described in http://www.keil.com/uvision/ debug.asp, except when the program counter is in Region 0 on a SoftDevice with readback protection enabled. Code words from addresses in the protected area will always return zero to the debugger. Any values in peripheral registers that are restricted or blocked by the SoftDevice will be invisible to the debugger as well. Information on the SoftDevice configuration and memory resource mapping can be found in the S110 nRF51822 SoftDevice Specification. Note: Avoid single stepping to the protected area. Instead, set the breakpoint right after SVC calls while debugging and run the application to the actual breakpoint, see Figure 34 on page 48. The “step over” function (F10) may also be used instead to step over SVC calls to avoid delays when entering the readback protected area. Figure 33 Debugger information for a setup with a SoftDevice enabled in the protected area Page 47 of 62 nRF51822 Development Kit User Guide v1.3 Figure 34 Setup with breakpoint after an SVC call Page 48 of 62 nRF51822 Development Kit User Guide v1.3 8 Testing the physical layer with Direct Test Mode The Direct Test Mode (DTM) interface enables you to test the RF parameters/performance of the Bluetooth low energy radio design. It can be used for performance testing, tuning your prototypes, and compliance testing. This interface is compliant with the description in the Bluetooth Core Specification, Version 4.0, Volume 6, Part F. DTM testing requires that you program the chip with the DTM application that is delivered with the nRF51 SDK as described in Section 8.2 on page 52. The DTM UART setting features: • 1 stop bit • 8 data bits • 19200 baud rate • No flow control (meaning no RTS/CTS) • No parity 8.1 Kit setup for UART The Direct Test Mode is accessed through the UART on the nRF51822 module. The following steps show how to get set up for DTM testing. 1. Mount one of the nRF51822 modules (either PCA10004 or PCA10005) onto the nRFgo Motherboard. 2. Connect a double cable, or two single cables, between P15 and P8 on the Motherboard as shown in Figure 35. The UART data pins RXD and TXD will be present on the I/O port pins P0.1 and P0.3 as seen in Table 8 on page 51. Make sure the RXD/TXD labels match for each wire. This matches the default setting in the SDK project ble_app_dtm. 3. The RS232 header (P15) is connected to the RS232 serial port interface (J2) through a RS232 converter. Connect a serial cable from RS232 to the serial port on your computer. Make sure S11 is switched to ON. 4. Connect the Motherboard to your computer using a USB cable. 5. Connect the J-Link Lite CortexM-9 to the nRF51822 module with a 10 pin connector. The USB cable connects the J-Link Lite CortexM-9 to your computer. You are now ready to begin testing with Direct Test Mode in nRFgo Studio. Page 49 of 62 nRF51822 Development Kit User Guide v1.3 USB UART S11 P15 P8 J-Link Lite Cortex M Figure 35 UART setup for DTM Page 50 of 62 nRF51822 Development Kit User Guide v1.3 P8 P15 P0.1 TXD P0.3 RXD Table 8 UART setup The DTM is designed for use with Bluetooth test equipment. If you don't have a Bluetooth tester you can access the interface using this Development Kit and nRFgo Studio to run the tests. Note: In nRFgo Studio, the Program button under Direct Test Mode UART Interface will not work on the nRF51 platform. Page 51 of 62 nRF51822 Development Kit User Guide v1.3 8.2 Programming the nRF51822 module with DTM The nRF51822 module has to be programmed with the DTM application found in the nRF51 SDK. This application is provided with its source code and needs to be compiled using Keil. 1. Locate the DTM application project found under \ARM\Device\Nordic\nrf51822\Board\nrf6310\ble\ble_app_dtm\arm. 2. Open the DTM project in Keil μVision by double clicking the ble_app_dtm.uvproj file. 3. Click the Build icon or press F7 to build the project. 4. Only one SEGGER device should be connected to your computer. Make sure it is also connected to the nRF51822 development module to ensure the program is downloaded to the correct target. 5. Go to the Flash menu and click Download to load the program (or click the Load icon). You are now ready to start DTM testing either using the Direct Test Mode UART interface included in nRFgo Studio or connecting 3rd party equipment. 8.3 DTM testing using nRFgo Studio Select Direct Test Mode in the Feature pane underneath Bluetooth to start the Direct Test Mode UART interface in nRFgo Studio. Note: Set up on and Program are not functional when testing on the nRF51 platform. For details on how to use the Direct Test Mode UART interface see the nRFgo Studio help file (or press F1 when in Studio). Page 52 of 62 nRF51822 Development Kit User Guide v1.3 9 Software Development Kit The nRF51 Software Development Kit (SDK) enables you to develop applications for the following protocol stacks: • Bluetooth low energy (using the S110_nRF51822 SoftDevice) • Proprietary 2.4 GHz, including Nordic's Gazell protocol • Non-concurrent combinations of Bluetooth low energy and proprietary 2.4 GHz 9.1 Installing the nRF51 SDK The nRF51 SDK is a part of the DK downloadable content available from your My Page account, see Section 2.2 on page 5. The SDK is downloaded as a MSI file (a windows installer) and is installed by running the application. When installing the SDK you can select: Keil MDK Support, Master Control Panel, and/or Custom install. • Keil MDK support - installs Keil μVision example project files, the code memory programming algorithm for the J-Link debugger, and the Nordic nRF51 series device database file for Keil. • Custom install - installs a software archive to a customized location. • nrfjprog - installs a command line programming interface to be used with SEGGER debuggers. Note: The Keil MDK Support option will only be available if you already have the Keil MDK toolchain installed. Page 53 of 62 nRF51822 Development Kit User Guide v1.3 10 Troubleshooting The nRF51822 device on the PCA10004/5 does not respond when I try to contact it. What has happened? Verify that the jumper on connector K1 on the nRF51822 module is set in the position Pin 2 and Pin 3. When I connect multiple SEGGER J-Link debugger boards to my computer, μVision does not recognize them correctly. This is a known limitation with μVision in MDK v4.53 or earlier that is fixed in later versions. Upgrade to version 4.54 or later. The debugger doesn’t work. Please refer to Section 4.2.1 on page 19. The debugger seems to freeze while debugging. If running a SoftDevice that has been programmed with the “Lock SoftDevice from Read back” enabled (see section Section 6.1 on page 33, the debugger will halt while stepping to an SVC instruction. You should set the breakpoint after the SVC instruction and run the application to the breakpoint, or step over any SVC instructions. See Section 7.1.2 on page 47 for more details. I have a problem sending/receiving data using the USB to UART bridge. In order to use the USB to UART bridge the software on nRF51822 has to enable flow control. When reconnecting the PCA10000 (using the USB cable) the terminal program running on your computer has to be restarted (you should wait for it to end before disconnecting). Otherwise it locks up the serial port and the terminal. Software gets out of sync while debugging. Setting/modifying breakpoints on a running system using the SEGGER debugger will halt the CPU, which may result in software that is out of sync. You should avoid setting breakpoints while the system is running. The debugger does not halt on breakpoints. Some Keil projects in the SDK have Optimization level 3 (-03) and Optimize for time checked. If you are debugging an application with these settings, your breakpoint set might have no effect. 1. Press Alt+F7 to open the Target options dialog. 2. Select C/C++. 3. Select Optimization level 0 from the scroll down list. 4. Uncheck Optimize for time. Page 54 of 62 nRF51822 Development Kit User Guide v1.3 The debugger is not able to detect my nRF51 device after I have downloaded my firmware. If the nRF51 device goes to SystemOff too soon after reset, it will have a problem communicating with the J-Link debugger. You can recover using the Recover button in nRFgo Studio. 1. Cycle the power to the nRF51 chip before you start the Recover application. Note: The Recover function will erase all application firmware apart from the one that comes pre- programmed on the chip. The drop-down menu in the Master Control Panel doesn’t display any serial numbers. What has happened? Verify that the Master Control Panel software and the drivers for Segger OB (JLinkCDCInstaller) have been installed and that the nRF51 Development Dongle (PCA10000) has been plugged into a USB port on your computer. The Master Control Panel connects to the nRF51 Development Dongle (PCA10000) but reports “No response from master emulator” in the Log? You haven’t programmed the nRF51 Development Dongle with the Master Emulator Firmware before starting to use it. See Scan for available Bluetooth low energy devices in Section 2 on page 4 for details on how to program the Master Emulator Firmware. My project used to work, but after trying out another project using the SoftDevice, it fails. Ensure that the memory layout in your project matches the memory layout on the chip. See Section 6.2.1 on page 37 on how to set up memory configuration. Page 55 of 62 nRF51822 Development Kit User Guide v1.3 Appendix A: Installing drivers and configuring KEIL projects for the SEGGER debugger This appendix describes the steps for installing the software and using the SEGGER J-Link Lite debugger with Keil μVision for nRF51 series devices, based on J-Link software version 4.52b or later. Prerequisite You need Keil μVision with ARM-MDK that you have tested to be working with MDK version 4.54. Note: All projects in the nRF51SDK are preset to work with the SEGGER debugger. Only the following step Download and install SEGGER drivers is needed. Download and install SEGGER drivers 1. Download the latest SEGGER J-Link software and documentation pack from http://www.segger.com/jlink-software.html. 2. Download and run the J-Link Software and documentation pack for Windows from http://www.segger.com/jlink-software.html. The serial number from your SEGGER J-Link hardware is needed, see Figure 37 on page 57. 3. During installation you will be prompted to select the IDE that you want updated with the latest SEGGER DLLs. Check the box for Keil MDK and any other IDEs you want to use with SEGGER. Figure 36 IDEs selected for updating to the latest SEGGER DLLs Page 56 of 62 nRF51822 Development Kit User Guide v1.3 4. Go to http://www.segger.com/IDE_Integration_Keil.html#knownproblems for MDK v4.54. Download JL2CM3 and copy it to /ARM/Segger. This patch is necessary for the SEGGER debugger to work. 5. Plug in the J-Link Lite CortexM-9 module with USB cable. The LED will blink while the driver installation occurs. Wait until the LED is continuously lit LED Serial number Figure 37 J-Link Lite CortexM-9 serial number location Page 57 of 62 nRF51822 Development Kit User Guide v1.3 Configuring KEIL projects for SEGGER debugger for first time use 1. Double-click an example project file to open the Keil μVision IDE. 2. Click Target Options on the toolbar or click Project menu and select Options for Target Figure 38 Keil Target configuration 3. Under the Debug tab in the Use list, select J-LINK / J-Trace Cortex option as shown in Figure 39. 4. Click Settings as shown in Figure 39. Both the SEGGER Control Panel and the Keil Target Driver Setup will open. Figure 39 Selecting J-Link debugger in Keil Page 58 of 62 nRF51822 Development Kit User Guide v1.3 Note: If the SEGGER J-Link Lite firmware requires an update you will be prompted with the message “A new firmware version is available for the connected emulator”. In this case, click OK. Figure 40 SEGGER control panel 5. Click the Debug tab shown in the figure. Set Port to SW and Max Clock to 1 MHz, as shown in Figure 41. Make sure that SN and IDCODE are populated properly and click OK. Figure 41 Debug settings 6. Select the J-Link device for target programing. Page 59 of 62 nRF51822 Development Kit User Guide v1.3 Figure 42 Flash settings 7. If the J-Link serial number appears in the SN field, the device is properly installed. The default settings can be accepted by clicking OK, closing both the SEGGER Control Panel and Keil target Driver Setup. Page 60 of 62 nRF51822 Development Kit User Guide v1.3 Liability disclaimer Nordic Semiconductor ASA reserves the right to make changes without further notice to the product to improve reliability, function or design. Nordic Semiconductor ASA does not assume any liability arising out of the application or use of any product or circuits described herein. Life support applications Nordic Semiconductor’s products are not designed for use in life support appliances, devices, or systems where malfunction of these products can reasonably be expected to result in personal injury. Nordic Semiconductor ASA customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Nordic Semiconductor ASA for any damages resulting from such improper use or sale. Contact details For your nearest distributor, please visit http://www.nordicsemi.com. Information regarding product updates, downloads, and technical support can be accessed through your My Page account on our homepage. Main office: Otto Nielsens veg 12 7052 Trondheim Norway Phone: +47 72 89 89 00 Fax: +47 72 89 89 89 Mailing address: Nordic Semiconductor P.O. Box 2336 7004 Trondheim Norway Page 61 of 62 nRF51822 Development Kit User Guide v1.3 Revision history Date July 2013 February 2013 January 2013 September 2012 Version 1.3 1.2 1.1 1.0 Description Updated content to match v2.1.0 of the hardware. Updated minor documentation errors. Updated content to match v2.0 of the hardware. Updated the hardware content in Section 5 on page 21, programming information in Section 8 on page 49, and Section 9 on page 53. First release ARM statement Keil, μVision, and Cortex are trademarks of ARM Limited. All other brands or product names are the property of their respective holders. Page 62 of 62

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