Pinout

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K4B Pinout

Note

Functions marked with * are default configurations. If configured for other functions, please modify the source code.

UART

K4B expansion pins can support up to 3 UART channels.

GPIO

K4B expansion pins can support up to 22 GPIO channels.

PWM

K4B expansion pins can support up to 4 PWM channels.

I2C

K4B expansion pins can support up to 3 I2C channels.