PCAL9538A 1. General description The PCAL9538A is a low-voltage 8-bit General Purpose Input/Output (GPIO
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					扫码加入Low-voltage 8-bit I2C-bus and SMBus low power I/O port with interrupt, reset and Agile I/O
PCAL9538A 1. General description The PCAL9538A is a low-voltage 8-bit General Purpose Input/Output (GPIO
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