Datasheet Details
| Part number | ISG4100x |
|---|---|
| Manufacturer | Imagis Semiconductor |
| File Size | 113.50 KB |
| Description | Mobile Key Scan I/O companion |
| Datasheet |
 ISG4100x Datasheet
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General Description
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.
Key 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 minimize current consumption 8000V ESD protected I/O Supports I2C-compatible access bus interface in slave mode up to 400kbps (Fast mode). (ISG4100I only) Supports SPI-compatible access bus interface in slav.