• Part: BU21079F
  • Manufacturer: ROHM
  • Size: 953.13 KB
Download BU21079F Datasheet PDF
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BU21079F 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.

BU21079F Key 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

BU21079F Applications

  • Electronic devices with multiple switches