User manual

Page | 18
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