ISG4100x Datasheet, Imagis Semiconductor

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-.

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 .