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电路原理图ti公司出品

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5 D C B A 5 4 3 2 Guangzhou TrongLong Technology Co., Ltd Code name: OMAPL138-EASYBOARD Version: A3 Designer: King 2014.03.06 Revision No A1.0 A2.0 Revision History Description of Change Designed the Basic Circuit Function Base on Requirement of SOM-A1 删删ICE JTAG 增增增增增增增增增 更更BOOTSET增增 增增增增GPIO UART1更更更UART2 Author(s) Data Liang 2013.04.11 Liang 2013.04.11 A3.0 增增增增LED及及及 更更BOOTSET增增 增增增增GPIO 更更更更更更 King 2014.03.06 1 D C B A Title Cover Size Document Number A OMAPL138-EASYBOARD Rev A3 Date: Wednesday, December 24, 2014 Sheet 1 of 5 4 3 2 1 5 4 3 CON1 D EMIFA_A[0:15] 4 MMCSD0_INS 4 MMCSD0_WP 4 MMCSD0_D3 4 MMCSD0_D2 4 MMCSD0_D1 4 MMCSD0_D0 4 MMCSD0_CMD 4 MMCSD0_CLK EMIFA_A0 2 EMIFA_A1 4 EMIFA_A2 6 EMIFA_A3 8 EMIFA_A4 10 EMIFA_A5 12 EMIFA_A6 14 EMIFA_A7 16 EMIFA_A8 18 EMIFA_A9 20 EMIFA_A10 22 EMIFA_A11 24 EMIFA_A12 26 EMIFA_A13 28 EMIFA_A14 30 EMIFA_A15 32 34 36 38 40 42 44 46 48 50 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 EMIFA_D0 EMIFA_D1 EMIFA_D2 EMIFA_D3 EMIFA_D4 EMIFA_D5 EMIFA_D6 EMIFA_D7 EMIFA_D8 EMIFA_D9 EMIFA_D10 EMIFA_D11 EMIFA_D12 EMIFA_D13 EMIFA_D14 EMIFA_D15 EMIFA_BA0 EMIFA_BA1 EMIFA_D[0:15] EMIFA_BA[0:1] EMIFA_CLK EMIFA_SDCLKE EMIFA_WEn EMIFA_OEn EMIFA_A_RnW VPIF_DIN15_VSYNC VPIF_DIN14_HSYNC VPIF_DIN13_FIELD VPIF_DIN12 VPIF_DIN11 VPIF_DIN10 VPIF_DIN9 VPIF_DIN8 VPIF_DIN7/EMAC_RMII_TXD[1] VPIF_DIN6/EMAC_RMII_TXD[0] VPIF_DIN5/EMAC_RMII_TXEN VPIF_DIN4/EMAC_RMII_RXD[1] VPIF_DIN3/EMAC_RMII_RXD[0] VPIF_DIN2/EMAC_RMII_RXER VPIF_DIN1/EMAC_RMII_MHZ_50_CLK VPIF_DIN0/EMAC_RMII_CRS_DV VPIF_CLKIN3/MMCSD1_D1 VPIF_CLKIN2/MMCSD1_D3 VPIF_CLKIN1 VPIF_CLKIN0 VDD_USB0_VBUS 4 USB0_DRWBUSn 4 USB0_DM 4 USB0_DP 4 USB0_ID B2B 0.5mm 50P 3.5mm Female C EMIFA_CSn0 EMIFA_CSn2 EMIFA_CSn4 EMIFA_CSn5 4 SATA_TXN 4 SATA_TXP 4 SATA_RXN 4 SATA_RXP 9 SPI0_CLK/EPWM0_A/MII_RXCLK 9 SPI0_SOMI/EPWM0_SYNCI/MII_RXER 9 SPI0_SIMO/EPWM0_SYNC0/MII_CRS 9 SPI0_ENAn/EPWM0_B/MII_RXDV 4 SPI0_SCSn5/UART0_RXD/MII_RXD3 4 SPI0_SCSn4/UART0_TXD/MII_RXD2 9 SPI0_SCSn3/UART0_CTSn/MII_RXD1 9 SPI0_SCSn2/UART0_RTSn/MII_RXD0 9 SPI0_SCSn1/MDIO_CLK 9 SPI0_SCSn0/MDIO_D B VDD_RTC VDD_5V_SOM CON3 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 30 29 32 31 34 33 36 35 38 37 40 39 42 41 44 43 46 45 48 47 50 49 B2B 0.5mm 50P 3.5mm Female EMIFA_RASn EMIFA_CASn EMIFA_WEN_DQM1 EMIFA_WEN_DQM0 EMIFA_WAIT1 EMIFA_WAIT0 uP_TDI 4 uP_TDO 4 uP_TMS 4 uP_TCK 4 uP_TRSTn 4 uP_EMU1 4 uP_EMU0 4 uP_RTCK 4 uP_NMln 9 uP_RESETOUTn 9 SYS_RESET_INPUT 3 uP_OBSCLK 9 9 McBSP0_CLKR0 9 McBSP0_CLKX0 9 McBSP0_CLKS0 9 McBSP0_FSR0 9 McBSP0_FSX0 9 McBSP0_DR0 9 McBSP0_DX0 9 McBSP1_CLKR1/GPIO0[6] 9 McBSP1_CLKX1/GPIO0[5] 9 McBSP1_CLKS1/GPIO0[0] McBSP1_FSR1 McBSP1_FSX1 9 McBSP1_DR1/GPIO0[2] 9 McBSP1_DX1/GPIO0[1] 9 UPP_CH1_CLK 9 UPP_CH1_START 9 UPP_CH1_ENABLE 9 UPP_CH1_WAIT 9 UPP_CH0_WAIT 9 UPP_CH0_CLK 9 UPP_CH0_START 9 UPP_CH0_ENABLE H1 H2 H3 H4 A FB1 220R/100MHz 2A ESD Ring 5 Power Net Description: Net Voltage VDD_5_MAIN 5V VDD_RTC 3V VDD_USB0_VBUS 5V Direction INPUT INPUT INPUT 4 3 2 CON2 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 30 29 32 31 34 33 36 35 38 37 40 39 42 41 44 43 46 45 48 47 50 49 B2B 0.5mm 50P 3.5mm Male 1 SPI1_CLK 9 SPI1_SOMI 9 SPI1_SIMO 9 SPI1_ENAn 9 I2C0_SCL/SPI1_SCSn7 9 IC20_SDA/SPI1_SCSn6 9 UART2_RXD/I2C1_SCL/SPI1_SCSn5 4 UART2_TXD/I2C1_SDA/SPI1_SCSn4 4 D UART1_RXD/SPI1_SCSn3 9 UART1_TXD/SPI1_SCSn2 9 SPI1_SCSn_1/EPWM1_A 9 SPI1_SCSn_0/EPWM1_B 9 UART2_CTSn 9 UART2_RTSn 9 EPWMN1_TZ[0] 9 EPWMN0_TZ[0] 9 McASP_AFSX McASP_AFSR McASP_CLKX 9 McASP_CLKR 9 UART1_RTSn 9 UART1_CTSn 9 USB1_DM 4 USB1_DP 4 C CON4 2 1 4 3 6 5 8 7 10 9 12 11 14 13 16 15 18 17 20 19 22 21 24 23 26 25 28 27 30 29 32 31 34 33 36 35 38 37 40 39 42 41 44 43 VPIF_OUT15/LCD_D15 VPIF_OUT14/LCD_D14 VPIF_OUT13/LCD_D13 VPIF_OUT12/LCD_D12 3 VPIF_OUT11/LCD_D11 3 VPIF_OUT10/LCD_D10 3 VPIF_OUT9/LCD_D9 3 VPIF_OUT8/LCD_D8 3 VPIF_OUT7/LCD_D7 VPIF_OUT6/LCD_D6 VPIF_OUT5/LCD_D5 VPIF_OUT4/LCD_D4 VPIF_OUT3/LCD_D3 VPIF_OUT2/LCD_D2 VPIF_OUT1/LCD_D1 VPIF_OUT0/LCD_D0 LCD_HSYNC/MMCSD1_D5 LCD_VSYNC/MMCSD1_D4 LCD_MCLK/MMCSD1_D6 LCD_PCLK/MMCSD1_D7 LCD_AC_ENB_CSn B 46 45 48 47 50 49 VPIF_CLKO3/GPIO6[1] 9 VPIF_CLKO2/MMCSD1_D2 9 B2B 0.5mm 50P 3.5mm Male A Title CONNECTER Size Document Number Rev B OMAPL138-EASYBOARD A3 Date: Wednesday, December 24, 2014 Sheet 2 of 5 2 1 5 4 3 2 1 DC005 1 3 2 D CON5 5 1 D1 P6SMB6.8A SW2 SW TACK SPDT 4 3 2 VDD_5V_SOM C20 100nF + C19 TAN 22uF 10V VDD_3V3_LDO R1 5K1 R2 5K1 R3 5K1 R4 5K1 R5 5K1 SW3 1 2 1 32 43 54 5 10 10 9 98 87 76 6 BOOT0 BOOT1 BOOT2 BOOT3 BOOT4 VPIF_OUT8/LCD_D8 2 VPIF_OUT9/LCD_D9 2 VPIF_OUT11/LCD_D11 2 VPIF_OUT10/LCD_D10 2 VPIF_OUT12/LCD_D12 2 D 5BIT 2.54MM DIP Switch ARM BOOT SET ADAPTER INPUT VDD_5V_SOM C C4 100nF C5 10uF 1 GND U2 AMS1117-3.3 3 VIN 4 VO 2 VOUT VDD_3V3_LDO C3 100nF + C6 TAN 22uF 10V VDD_5V_SOM D2 RED LED R18 1K ARM BOOT SET BOOT DEVICE BOOT BITS[7:0] NOR EMIFA 00000010 C NAND-8 EMIF 00001110 SPI0 FLASH 00001010 SPI1 FLASH 00001100 Power Indicators UART0 UART1 00010110 00010111 VDD_3V3_LDO UART2 EMULATOR DEBUG 00010100 00011110 MMC/SD0 00011100 RTC battery R9 B 10K DNP B VDD_RTC BT1 SW1 1 + MH1 3 2 - MH2 4 2 SYS_RESET_INPUT 1 3 2 4 CON_BATTERY SW PUSHBUTTON-SPST C7 DNP 10nF SYSTEM RESET A A Title POWER/BOOT/RESET Size Document Number A OMAPL138-EASYBOARD Rev A3 Date: Wednesday, December 24, 2014 Sheet 3 of 5 5 4 3 2 1 5 4 3 2 VDD_5V_SOM FB2 220R/100MHz 2A C8 10uF 2 USB1_DM 2 USB1_DP D USB HOST CON7 1 R25 22R USBHD- 2 VBUS R26 22R USBHD+ 3 D4 D+ 6 SHIELD2 5 GND SHIELD1 USB PORT A 3 4 U24 PRTR5V0U2X 2 1 2 SATA_TXP 2 SATA_TXN 2 SATA_RXN 2 SATA_RXP J1 1 2 GND1 3 A+ 4 A5 GND2 6 B7 B+ GND3 SATA 7PIN SATA VDD_3V3_LDO C9 100nF 16 VCC 2 SPI0_SCSn4/UART0_TXD/MII_RXD2 2 SPI0_SCSn5/UART0_RXD/MII_RXD3 2 UART2_TXD/I2C1_SDA/SPI1_SCSn4 2 UART2_RXD/I2C1_SCL/SPI1_SCSn5 U3 1 C10 100nF 3 11 12 10 9 C1+ C1T1in R1out T2in R2out 5 C2- 4 C2+ 14 T1out 13 R1in 7 T2out 8 R2in 2 6 V+ V- 15 GND C12 100nF C13 MAX3232CUE 100nF C11 100nF RS232_UART0_TXD RS232_UART0_RXD RS232_UART2_TXD RS232_UART2_RXD UART RS232_UART0_TXD RS232_UART0_RXD CON8 5 9 4 10 8 3 7 2 11 6 1 DB9 RS232_UART2_TXD RS232_UART2_RXD CON9 5 9 4 10 8 3 7 2 11 6 1 DB9 C 2 MMCSD0_D2 2 MMCSD0_D3 2 MMCSD0_CMD 2 MMCSD0_INS 2 MMCSD0_CLK 2 MMCSD0_D0 2 MMCSD0_D1 2 MMCSD0_WP VDD_3V3_LDO VDD_3V3_LDO R10 R11 10K 10K R12 R13 R14 R15 R16 R17 10K 10K 10K 10K 10K 10K U21 1 6 2 5 3 4 U22 1 6 2 5 3 4 C15 100nF C16 10uF CON11 1 2 DAT2 3 DAT3 4 CMD 5 C/D 6 VSS 7 VDD 8 CLK 9 VSS 10 DAT0 11 DAT1 W/P 12 SHIELD1 13 SHIELD2 14 MH1 15 MH2 PROCONN SDC009-52-D SD/MMC PRTR5V0U4Y PRTR5V0U4Y 2 uP_TRSTn 2 uP_EMU1 VDD_3V3_LDO CON10 2 42 64 86 10 8 12 10 14 12 14 1 13 35 57 79 9 11 11 13 13 IDC3 2x7PIN 2.54mm TI Rev B JTAG C14 100nF uP_TMS 2 uP_TDI 2 uP_TDO 2 uP_RTCK 2 uP_TCK 2 uP_EMU0 2 VDD_3V3_LDO VDD_3V3_LDO B VDD_5V_SOM VDD_5V_SOM R21 10K 2 USB0_DRWBUSn R22 1K Q1 MMBT3904 R24 1K U4 5 1 IN OUT 4 EN 2 3 GND OC TPS2041BDBVT VDD_USB0_VBUS R19 10K R20 10K DNP C17 10uF C18 10uF 2 USB0_DM 2 USB0_DP 2 USB0_ID R27 22R OTGD- R28 22R OTGD+ R23 10K DNP CON13 6 1 PAD1 7 2 VBUS PAD2 8 3 D- PAD3 9 4 D+ PAD4 5 ID 10 GND MH1 11 MH2 MINI USB-AB SMD5 OTG A 5 4 3 2 1 D C B A Title Size C Date: USB/OTG/SATA/SD/JTAG/GPIO Document Number OMAPL138-EASYBOARD Wednesday, December 24, 2014 1 Sheet Rev A3 4 of 5 5 4 3 2 2 EPWMN1_TZ[0] 2 EPWMN0_TZ[0] 2 SPI1_SCSn_1/EPWM1_A 2 SPI1_SCSn_0/EPWM1_B 2 UART2_CTSn D 2 UART2_RTSn 2 UART1_RTSn 2 UART1_CTSn J2 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 SPI1_CLK 2 SPI1_SOMI 2 SPI1_SIMO 2 SPI1_ENAn 2 I2C0_SCL/SPI1_SCSn7 2 IC20_SDA/SPI1_SCSn6 2 UART1_RXD/SPI1_SCSn3 2 UART1_TXD/SPI1_SCSn2 2 2 SPI0_CLK/EPWM0_A/MII_RXCLK 2 SPI0_SOMI/EPWM0_SYNCI/MII_RXER 2 SPI0_SIMO/EPWM0_SYNC0/MII_CRS 2 SPI0_ENAn/EPWM0_B/MII_RXDV 2 uP_OBSCLK VDD_5V_SOM J3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 SPI0_SCSn3/UART0_CTSn/MII_RXD1 2 SPI0_SCSn2/UART0_RTSn/MII_RXD0 2 SPI0_SCSn1/MDIO_CLK 2 SPI0_SCSn0/MDIO_D 2 uP_RESETOUTn 2 VDD_3V3_LDO 2.54mm 2x10P TH 2.54mm 2x10P TH GPIO VDD_3V3_LDO VDD_3V3_LDO C 2 uP_NMln R69 10K SW4 1 3 2 4 C56 SW PUSHBUTTON-SPST 10nF 2 McBSP1_CLKR1/GPIO0[6] R72 10K SW5 1 3 2 4 C57 SW PUSHBUTTON-SPST 10nF USER KEY USER0 KEY VDD_3V3_LDO R112 B 10K SW6 2 VPIF_CLKO3/GPIO6[1] 1 3 2 4 C93 SW PUSHBUTTON-SPST 10nF USER1 KEY 2 McBSP0_CLKR0 2 McBSP0_CLKX0 2 McBSP0_CLKS0 2 McBSP0_FSR0 2 McBSP0_FSX0 2 McBSP0_DR0 2 McBSP0_DX0 2 McASP_CLKX 2 McASP_CLKR J4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2.54mm 2x10P TH UPP_CH1_CLK 2 UPP_CH1_START 2 UPP_CH1_ENABLE 2 UPP_CH1_WAIT 2 UPP_CH0_WAIT 2 UPP_CH0_CLK 2 UPP_CH0_START 2 UPP_CH0_ENABLE 2 VPIF_CLKO2/MMCSD1_D2 2 2 McBSP1_CLKX1/GPIO0[5] 2 McBSP1_CLKS1/GPIO0[0] 2 McBSP1_DX1/GPIO0[1] 2 McBSP1_DR1/GPIO0[2] USER LED D6 R70 GREEN LED 1K D7 R71 GREEN LED D9 1K R105 GREEN LED D10 1K R106 GREEN LED 1K 1 D C B A A Title EEPROM/SPI FLASH/USERKEYLED Size Document Number B OMAP-L138/AM1808/C6748-EVMBOARD Rev A3 Date: Wednesday, December 24, 2014 Sheet 9 of 13 5 4 3 2 1

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