User manual

9. Stamp Adaptor
9.1. Connector Pin Assignment and Pin Multiplexing
40 Pin Header X21 40 Pin Header X22
1 VCC DSR1 PA27 2 1 VCC SCK2 PA14 2
3 PA23 RI1 RXD1 PC13 4 3 PA11 SCK1 RXD2 PC15 4
5 PC12 TXD1 DTR1 PA28 6 5 PC14 TXD2 TXD0 PCK2 PC8 6
7 PA12 RTS1 CTS1 PA13 8 7 PA15 RTS2 CTS2 PA16 8
9 PA29 DCD1 GND 10 9 PC9 PCK3 RXD0 GND 10
11 PA9 PCK2 DRXD DTXD PCK3 PA10 12 11 PA7 PCK0 TWD TWCK PCK1 PA8 12
13 PA1
SPI0
MOSI
MC
CDA
MC
CK
SPI0
CLK PA2 14 13 VCC GND 14
15 PA0
SPI0
MISO
MC
DA0
MC
DA1
SPI0
CS1 PA4 16 15 PB30
SPI1
MISO IRQ1 PCK2
SPI1
MOSI PB31 16
17 PA5
SPI0
CS2
MC
DA2
MC
DA3
SPI0
CS3 PA6 18 17 PB29
SPI1
CLK IRQ2
SPI1
CS1 PA24 18
19 VCC GND 20 19 PA25
SPI1
CS2
SPI1
CS3 PA26 20
21 USB Host A- USB Host B- 22 21 22
23 USB Host A+ USB Host B+ 24 23 24
25 USB Device- USB Device+ 26 25 26
27 PC2 IRQ0 USBCNX /RESET 28 27 VCC GND 28
29 VCC GND 30 29 TDI TMS 30
31 PA17 TF1 RF1 PA22 32 31 TDO TCK 32
33 PA18 TK1 RK1 PA21 34 33 ELED_L ELED_S 34
35 PA19 TD1 RD1 PA20 36 35 ETX+ ETX- 36
37 BMS WKUP 38 37 ERX+ ERX- 38
39 SHDN VBATT 40 39 POE1 POE2 40
Color Code:
USART
Power Supply /
Ground
Debug UART TWI (I2C-Bus)
SD-Card/MMC SPI
USB Reserved
Synch ronous Serial
Controller (SSC) JTAG
Control Ethernet
Digital I/O Port
Programmable
Clock Output