*1 Operating Power-Supply Voltage Range of 1.65-V to 3.6-V
* Supports 80 Buttons With Use of 18 GPIOs
* Supports QWERTY Keypad Operation Plus GPIO
Expansion <.
* Smart Phones
* Tablets
* HMI Panels
* GPS Devices
* MP3 Players
* Digital Cameras
3 Descripti.
The TCA8418 is a keypad scan device with integrated ESD protection. It can operate from 1.65 V to 3.6 V and has 18 general purpose inputs/outputs (GPIO) that can be used to support up to 80 keys via the I2C interface.
The key controller debounces inp.
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