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LM8327 - GenI/O - Expander and Keypad Controller

General Description

The LM8327 GenI/O-Expander and Keypad Controller is a dedicated device to unburden a host processor from scanning a matrix-addressed keypad and to provide flexible and general purpose, hostprogrammable input/output functions.

Key Features

  • KEY 1.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM8327 www.ti.com SNLS329A – SEPTEMBER 2011 – REVISED MAY 2013 LM8327 Mobile I/O Companion Supporting Keyscan, I/O Expansion, PWM, and ACCESS.bus Host Interface Check for Samples: LM8327 FEATURES, KEY 1 FEATURES, KEY DEVICE •2 Internal RC Oscillator, no External Clock Required • Internal PWM Clock Generation, no External Clock Required • Programmable I2C-compatible ACCESS.Bus Address (Default 0x8A) • Support for Keypad Matrices of up to of 8 x 12 Keys, Plus 8 Special Function (SF) Keys, for a Full 104 Key Support • Support for up to 26 Direct Connect Keys • I2C-Compatible ACCESS.