PCA9539A 1. General description The PCA9539A is a low-voltage 16-bit General Purpose Input/Output (GPIO) expander with interrupt and reset
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					扫码加入Low-voltage 16-bit I2C-bus I/O port with interrupt and reset
PCA9539A 1. General description The PCA9539A is a low-voltage 16-bit General Purpose Input/Output (GPIO) expander with interrupt and reset
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