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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.

View original datasheet text
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.