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BU21079F - Capacitive Switch Controller

Description

BU21079F is a capacitive switch controller used for operating switches.

Low power consumption is achieved using the intermittent operation mode.

In addition to a regular simple switch, it supports matrix switches which are arranged in the matrix sensors.

Features

  • 8 capacitive sensor ports.
  • Supports matrix switches. Maximum of 16 switches.
  • Automatic self-calibration.
  • Continued touch detection.
  • Sends an interrupt when there is a detected result of switch operation.
  • 2-wire serial bus interface.
  • 3.3V or 5.0V single power supply.
  • Built-in Power-On-Reset and Oscillator.

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Datasheet preview – BU21079F

Datasheet Details

Part number BU21079F
Manufacturer ROHM
File Size 953.13 KB
Description Capacitive Switch Controller
Datasheet download datasheet BU21079F Datasheet
Additional preview pages of the BU21079F datasheet.

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Full PDF Text Transcription

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Capacitive Controller ICs Capacitive Switch Controller ICs BU21079F General Description BU21079F is a capacitive switch controller used for operating switches. Low power consumption is achieved using the intermittent operation mode. In addition to a regular simple switch, it supports matrix switches which are arranged in the matrix sensors. If external noise and temperature drift are detected, the automatic self-calibration is activated. Features ■ 8 capacitive sensor ports ■ Supports matrix switches. Maximum of 16 switches. ■ Automatic self-calibration ■ Continued touch detection ■ Sends an interrupt when there is a detected result of switch operation ■ 2-wire serial bus interface ■ 3.3V or 5.
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