Embest SBC8140, User Manual

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Pins Definitions Descriptions
34 SPI1_CS3 SPI Enable 3
35 SPI1_CS0 SPI Enable 0
36 SPI1_SIMO Slave data in, master data out
37 SPI1_SOMI Slave data out, master data in
38 SPI1_CLK SPI Clock
39 GND3 GND
40 GPIO0 GPIO0 /card detection 1
41 MMC2_D2/SPI3_CS1
MMC/SD Card Data bit 2SPI Enable
1
42 MMC2_D3/SPI3_CS0
MMC/SD Card Data bit 3SPI Enable
0
43 MMC2_D0/SPI3_SOMI
MMC/SD Card Data bit 0Slave data
out, master data in
44 MMC2_D1 MMC/SD Card Data bit 1
45
MMC2_CMD/SPI3_SIM
O MMC/SD command signalSlave
data in, master data out
46 MMC2_CLK/SPI3_CLK MMC/SD Output ClockSPI Clock
47 BSP3_DR/UART2_RTS
Received serial dataUART2 Request
To Send
48 BSP3_CLK/UART2_TX
Combined serial clockUART2
Transmit data
49 BSP3_FSX/UART2_RX
Combined frame
synchronizationUART2 Receive
data
50 BSP3_DX/UART2_CTS
Transmitted serial dataUART2 Clear
To Send
51 GND4 GND
52 UART1_CTS UART1 Clear To Send