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LM8333 - Mobile I/O Companion Supporting Key-Scan

General Description

The LM8333 Mobile I/O Companion offloads the burden of keyboard scanning from the host, while providing extremely low power consumption in both operational and standby modes.

Key Features

  • 1.
  • 2 8 × 8 Standard Keys.
  • 8 Special Function Keys (SF Keys) Providing a Total of 72 Keys for the Maximum Keyboard Matrix.
  • ACCESS. Bus (I2C-compatible) Communication Interface to the Host.
  • Four General Purpose Host Programmable I/O Pins with Two Optional (Slow) External Interrupts.
  • 15-byte FIFO Buffer to Store Key Pressed and Key Released Events.
  • Error Control with Error Reports on (FIFO Overrun, Keypad Overrun, Invalid Command).
  • Host P.

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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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LM8333 www.ti.com SNLS246K – SEPTEMBER 2006 – REVISED MAY 2013 LM8333 Mobile I/O Companion Supporting Key-Scan, I/O Expansion, PWM, and ACCESS.bus Host Interface Check for Samples: LM8333 FEATURES 1 •2 8 × 8 Standard Keys • 8 Special Function Keys (SF Keys) Providing a Total of 72 Keys for the Maximum Keyboard Matrix • ACCESS.