BU21078MUV Datasheet - ROHM

BU21078MUV Capacitive Switch Controller

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 .

BU21078MUV 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

BU21078MUV_ROHM.pdf