PCA9702 gpi equivalent, 16-bit/8-bit gpi.
* 16 general purpose input ports (PCA9701) or 8 general purpose input ports (PCA9702)
* 18 V tolerant input ports with 100 k external series resistor
* Input.
Higher voltages can be tolerated on the inputs depending on the series resistor used to limit the input current.
With b.
The PCA9701/PCA9702 are low power 18 V tolerant SPI General Purpose Input (GPI) shift register designed to monitor the status of switch inputs. It generates an interrupt when one or more of the switch inputs change state. The input level is recognize.
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