Documentation Center
As for the following table, it shows the pin name and description of the WisBlock IO module connector.
Connector B
Connector A
Pin Number
Pin Number
Connector A
Connector B
VBAT
VBAT
1
2
VBAT
VBAT
GND
GND
3
4
GND
GND
3V3
3V3
5
6
3V3_S
3V3_S
USB+
USB+
7
8
USB–
USB–
VBUS
VBUS
9
10
SW1
SW1
TXD0
TXD0
11
12
RXD0
RXD0
RESET
RESET
13
14
LED1
LED1
LED2
LED2
15
16
LED3
LED3
VDD
VDD
17
18
VDD
VDD
I2C1_SDA
I2C1_SDA
19
20
I2C1_SCL
I2C1_SCL
AIN0
AIN0
21
22
AIN1
AIN1
NC
NC
23
24
NC
NC
SPI_CS
SPI_CS
25
26
SPI_CLK
SPI_CLK
SPI_MISO
SPI_MISO
27
28
SPI_MOSI
SPI_MOSI
IO1
IO1
29
30
IO2
IO2
IO3
IO3
31
32
IO4
IO4
TXD1
TXD1
33
34
RXD1
RXD1
I2C2_SDA
I2C2_SDA
35
36
I2C2_SCL
I2C2_SCL
IO5
IO5
37
38
IO6
IO6
GND
GND
39
40
GND
GND