Datasheet

Page 10
Page 11
3. Pinout
SPI LinesAnalog Lines
Digital lines
UART lines
D9
D8
D7
D6
D5
D4
D3
D2
A4
Reference Ground GND
Reset pin RST
RXD RX
TX
Pin functions Pin functions
Digital I/O
Analog I/O
D10
SO
SI
SC
A0
A1
A2
A3
A5
VCC
RST
GND
IN
SCK
Reference Ground
VCC Input
SPI
Power supply
Reset pin
MOSI
MISO
TXD
Analog I/O
UART
Digital I/O