Datasheet Details
| Part number | PCA9544 |
|---|---|
| Manufacturer | NXP |
| File Size | 77.18 KB |
| Description | 4-channel I2C multiplexer and interrupt controller |
| Datasheet |
 PCA9544 Datasheet
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| Part number | PCA9544 |
|---|---|
| Manufacturer | NXP |
| File Size | 77.18 KB |
| Description | 4-channel I2C multiplexer and interrupt controller |
| Datasheet |
PCA9544 Datasheet
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The PCA9544 is a 1-of-4 bi-directional translating multiplexer, controlled via the I2C bus.
The SCL/SDA upstream pair fans out to four 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.