PCA9542A 2channel I2C bus mult - 免費(fèi)下載
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The PCA9542A is a 1-of-2 bidirectional translating multiplexer, controlled via the I2C-bus.
The SCL/SDA upstream pair fans out to two SCx/SDx downstream pairs, or channels.
Only one SCx/SDx channel is selected at a time, determined by the contents of the
programmable control register. Two interrupt inputs, INT0 and INT1, one for each of the
SCx/SDx downstream pairs, are provided. One interrupt output, INT, which acts as an
AND of the two interrupt inputs, is provided.