PCA9703 Overview
Description
The PCA9703 is a 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 but allows selected inputs to not generate interrupts using the interrupt masking feature.
Key Features
- 16 general purpose input ports
- 18 V tolerant input ports with 100 k extern
