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2014 TI MCU Design Days讲座PPT:Interfacing an MSP430 with Industrial Sensors

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标签: 接口

接口

MSP430

MSP430

工业传感器

工业传感器

This  session  will  talk  about  using  TI\'s  ultra-low  power  MSP430  MCUs  to  interface  to  industrial  sensors.  The  focus  areas  will  be  temperature,  pressure  and  flow  sensors  and  understanding  the  benefits  of  MSP430  in  each  of  these  areas  with  our  hardware  and  software  offerings,  plus  tips  on  designing  with  sensors.   In  addition,  learn  about  the  new  \'i\'  series  and  its  benefits  in  the  industrial  sensor  market.

Interfacing an
MSP430 with Industrial Sensors
MCU Deep Dive
2014
1
Outline
• Sensor Market & Generic Block diagram
• MSP430 portfolio & roadmap
• TI Designs examples :
TI Designs Link
– TIDA-00095: RTD Temperature Transmitter for 2-Wire,
4 to 20-mA Current Loop Systems
– Water Meter using Scan interface
– I/O Link sensor transmitter
2
MSP430 Sensor Market
WW Sensor
Sales: $12B
Industry trend – deployment of industrial sensors continues to grow.
Market $ continues to be dominated by Temp, Pressure, & Flow
Wireless sensor for monitoring doubled in the past year and will continue to grow but still is a small portion of the
overall TAM.
ULP in active/standby modes is still a strong differentiator
Source: databeans,TI
Smart Sensor - Generic System Block Diagram
Power
Analog
Sensor
Element
Sensor I/F
Options
AMP
ADC
Control
MCU
Serial
Analog/
Wired /
Wireless
Interface
Communication
Wired
• IO Link
• HART
• Profibus
• 4 – 20mA
Wireless
• Dash 7
• Wireless HART
• WiFi Direct
• 802.15.4E
• Proprietary
Sensor Element
• Temperature
• Pressure
• Flow
• Displacement
• Position
• Level
• Acceleration
• Magnetic
• IR
• Proximity
• Humidity
• Light
• Etc…
Sensor I/F
Analog
• Voltage
• Current
Digital
• I2C
• SPI
• GPIO
Signal Conditioning
• Filtering
• Op-Amp
• PGA
• ADC
• SVA Combo AFE
• Gas
• Alcohol
• Temp
MSP430
• FR57xx
• FR58xx
• AFE2xx
• F67xx
• F51xx
• FG4xx
• F23xx
• F22xx/4
• I204x
• FR4xx/2xx
4
MSP430 ADC For Sensor I/F
Power
Analog
Sensor
Element
Sensor I/F
Options
Serial
AMP
ADC
Control
MCU
Analog/
Wired /
Wireless
Interface
• SAR ADC (10/12)
– Pros
• Zero cycle latency
• High Accuracy
• Typically Low Power
• Simple Operation
– Cons
• Only up to 12 bit Res.
• SD (16/24)
– Pros
• High Resolution
• High Stability
• Better Noise Immunity
• Continuous samples
• Lower Power
• Low Cost
– Cons
• Cycle-Latency
• Lower Sampling Rate
5
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mabang119407
最近有项目要用,感谢提供资料
2019-03-29 09:31:35
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