MaaXBoard HW UserManual V1.2
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Figure 2.8 40Pin Pin Header Pin1 Position
Table 2.5 40 Pin Expansion Pin Header Definition
Expansion(J10)
Pin
Signal Name
Ball
Description
Signal Type
1
NVCC_3V3
3.3V/500mA output
Power
2
5V_IN
5V power supply input or output
Power
3
I2C2_SDA
F7
General-purpose input/output
IO
4
5V_IN
5V power supply input or output
Power
5
I2C2_SCL
G7
General-purpose input/output
IO
6
GND
Ground
Ground
7
GPIO3_IO16
K20
General-purpose input/output
IO
8
UART1_TXD
A7
General-purpose input/output
9
GND
Ground
Ground
10
UART1_RXD
C7
General-purpose input/output
IO