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TCA8424 - Low-Voltage 8x16 Keyboard Scanner

Datasheet Summary

Description

This 128 key scan device is specifically targeted towards end equipment that runs on Windows 8 operating system.

The device is fully compliant with the HID over I2C specification defined (ver 1.0) defined by Microsoft.

Features

  • 1.
  • Operating Power-Supply Voltage Range of 1.65V to 3.6V.
  • Supports FM+ I2C Operation up to 1MHz.
  • Can Support up to 128 (8x16) Key Scan.
  • Internal Power-On-Reset.
  • Open Drain Open Drain Active Low INT Output.
  • Noise Filter on SCL/SDA and Inputs.
  • Open Drain Outputs Can Sink up to 12mA Current for LED.
  • Hardware Coded HID and REPORT Descriptors.
  • Available With Preprogrammed Keyboard Map.
  • Software Reset per HID Ove.

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Datasheet preview – TCA8424

Datasheet Details

Part number TCA8424
Manufacturer Texas Instruments
File Size 1.43 MB
Description Low-Voltage 8x16 Keyboard Scanner
Datasheet download datasheet TCA8424 Datasheet
Additional preview pages of the TCA8424 datasheet.

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Full PDF Text Transcription

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TCA8424 www.ti.com SCDS341 – MARCH 2013 Low-Voltage 8x16 Keyboard Scanner with HID over I2C Compliant Interface Check for Samples: TCA8424 FEATURES 1 • Operating Power-Supply Voltage Range of 1.65V to 3.
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