IS31IO7326-QFLS4-EB, Evaluation Board for the IS31IO7326 is a 64 key, key-scan controller. It offloads the burden of keyboard scanning from the host processor. The IS31IO7326 supports keypad matrix of up to 8×8. Key press and release events are encoded into a byte format and loaded into a key event register for retrieval by the host processor. To minimize power, the IS31IO7326 automatically enters a low power standby mode when there is no keypad, I/O, or host activity
