ISG4100x - Mobile Key Scan I/O companion
The ISG4100x Mobile Key Scan I/O companion is a dedicated device to unburden a host processor from scanning a matrix-addressed keypad.
It communicates with the host through an I2Ccompatible or SPI-compatible access bus interface.
An interrupt output is available for signaling key-press events.
In th
ISG4100x Features
* 1.2.1. z z z z z z z z z z z z Features Supports keypad matrices of up to 8 x 8 keys (Max 64 keys) Supports multiple-key detection Supports long key-press detection Key-Scan Event storage in a FIFO buffer for up to 16 events Hardware Interrupt at the FIFO Level Auto-Sleep and Auto-WakeUp to minimiz
