Data Sheet

BIT module Datasheet
PIN
Function
Feature
Description
A1
I2S_SDI
I
I2S data in
A2
I2S_SDO
O
I2S data out
A3
I2S_WS
O
I2S channel, 0: left, 1: right
A4
I2S_CLK
O
I2S bit clock
A5
I2C_SCLK
O
I2C clock
A6
I2C_SD
I/O
I2C data
A7
VDD_FLASH
I
Independent power supply of FLASH
A8
SPI_CS1
O
SPI chip select 1
A9
SPI_CLK
O
SPI clock
A10
SPI_MISO
I
SPI data master in slave out
A11
SPI_MOSI
O
SPI data master out slave in
A12
SPI_CS0
O
SPI chip select 0
A13
GPIO_O
I/O
GPIO11
B1
UART_TXD0
O
Serial port0 data out
B2
UART_RXD0
I
Serial port0 data in
B3
RXI_P
A
network port0 receive positive
B4
RXI_N
A
network port0 receive negative
B5
TXO_P
A
network port0 send positive
B6
TXO_N
A
network port0 send negative
B7
GPIO14/TXO_P
I/O
GPIO14/network port1 send positive
B8
GPIO15/TXO_N
I/O
GPIO15/network port1 send negative
B9
GPIO16/RXI_P
I/O
GPIO16/network port1 receive positive
B10
GPIO17/RXI_N
I/O
GPIO17/network port1 receive negative
B11
PWM_CH0
O
PWM channel 0
B12
PWM_CH1
O
PWM channel 1
B13
TXD2/PWM2
O
Serial port2 data out/PWM channel 2
widora.io
Beijing Widora Technology Co., Ltd.
Pins