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UM82C01 - Capacitance Keyboard Encoder

General Description

UM82C01 is a CMOS LSI, which offers interface between microcomputer and capacitive keyboard matrix.

40 pin UM82C01-1 is capable of scanning up to 128 lowcost capacitive keys.

28 pin UM82C01-2 serve keyboard applications with less than 88 keys.

Key Features

  • 16x8 matrix, can build up to 128 key capacitance keyboard.
  • Single chip with 16 scan drive outputs and 8 sense inputs.
  • Two types of package. 28 pin for 88 key KB and 40 pin for 128 key KB.
  • Keyboard scanning and encoding under complete control of the user's computer, especially UM8048 microcomputer.
  • Single 5V supply.
  • High-speed CMOS technology.
  • Serve as easy interface to UM8048.
  • New CMOS sense technology, CMOS analog sense c.

📥 Download Datasheet

Datasheet Details

Part number UM82C01
Manufacturer UMC
File Size 369.75 KB
Description Capacitance Keyboard Encoder
Datasheet download datasheet UM82C01 Datasheet

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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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eUMC UM82COl : : : : : : : Capacitance Keyboard Encoder (CKE) Features • 16x8 matrix, can build up to 128 key capacitance keyboard • Single chip with 16 scan drive outputs and 8 sense inputs • Two types of package. 28 pin for 88 key KB and 40 pin for 128 key KB • Keyboard scanning and encoding under complete control of the user's computer, especially UM8048 microcomputer • Single 5V supply • High-speed CMOS technology • Serve as easy interface to UM8048 • New CMOS sense technology, CMOS analog sense circuit is built in • Byte wide sense, higher performance than serial sense technology • Wide UM8048 frequency range, 1M to 11 MHz UM8048 can be used General Description UM82C01 is a CMOS LSI, which offers interface between microcomputer and capacitive keyboard matrix.