LM8330 Datasheet - Texas Instruments

LM8330 Keypad Controller

The LM8330 I/O - Expander and Keypad Controller is a dedicated device designed to unburden a host processor from scanning a matrix-addressed keypad and to provide flexible and general purpose, host programmable input/output functions. Three independent Pulse Width Modulation (PWM) timer outputs are .

LM8330 Features

* 1

* 2 KEY FEATURES

* Keypad Matrices of up to of 8 x 12 Keys, Plus 8 Special Function (SF) Keys, for a Full 104 Key Support.

* Supports General-purpose I/O Expansion on Pins Not Otherwise Used for Keypad or PWM Output.

* Keypad Matrix and Dedicated Key Support:

LM8330-etcTI.pdf