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BU21072MUV - Capacitive Switch Controller

This page provides the datasheet information for the BU21072MUV, a member of the BU21078MUV Capacitive Switch Controller family.

Description

BU21072MUV/BU21078MUV/BU21078FV is a capacitive sensor controller for switch operation.

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

If external noise and temperature drift are detected, the automatic self-calibration is operated.

Features

  • 10 capacitive sensor ports. (BU21072MUV) 12 capacitive sensor ports. (BU21078MUV / BU21078FV).
  • Supported Matrix switches. Maximum 16 switches. (BU21072MUV) Maximum 36 switches. (BU21078MUV / BU21078FV).
  • Automatic self-calibration.
  • Continued touch detection.
  • LED controller with PWM function.
  • Inform the detected result of switch operation by interrupt.
  • 2-wire serial bus interface.
  • Single power supply.
  • Built-in Power-On-Reset and Oscillator. Appli.

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Datasheet preview – BU21072MUV

Datasheet Details

Part number BU21072MUV
Manufacturer ROHM
File Size 1.49 MB
Description Capacitive Switch Controller
Datasheet download datasheet BU21072MUV Datasheet
Additional preview pages of the BU21072MUV datasheet.

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Full PDF Text Transcription

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Capacitive Controller ICs Capacitive Switch Controller ICs BU21072MUV / BU21078MUV / BU21078FV General Description BU21072MUV/BU21078MUV/BU21078FV is a capacitive sensor controller for switch operation. In addition to a regular simple switch, support matrix switches which are arranged in the matrix sensors. If external noise and temperature drift are detected, the automatic self-calibration is operated. Include LED controller with PWM function. Features ■ 10 capacitive sensor ports. (BU21072MUV) 12 capacitive sensor ports. (BU21078MUV / BU21078FV) ■ Supported Matrix switches. Maximum 16 switches. (BU21072MUV) Maximum 36 switches. (BU21078MUV / BU21078FV) ■ Automatic self-calibration. ■ Continued touch detection. ■ LED controller with PWM function.
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