Documentation Center
J12 Header Pinout
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NOTE BOOT pin
BOOT pin is used on startup configuration or sequence of the WisBlock Core connected to it. It is
commonly used for uploading the bootloader and/or application firmware. The requirements of the state of
the BOOT pin depend on the specific model of the WisBlock Core used.
Pin Definition
Connector for WisBlock Core
The WisBlock Core module connector is a 40-pin board-to-board connector. It is a high-speed and high-density
connector, with an easy attaching mechanism.
Figure 5: WisBlock Core module connector
The table below shows the pinout of the 40-pin WisBlock core connector:
Pin
Pin Name
Description
1
AIN1
ADC input signal
2
IO1
General purpose IO
3
IO2
General purpose IO
4
VBAT
Battery voltage
Pin
Pin Name
Description
1
VDD
3.3 V
2
GND
Ground pin
3
SCL
I2C1 clock
4
SDA
I2C2 data
