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BU21021GUL - 4-wire resistive Touch Screen Controller

General Description

BU21021GUL is a resistive touch screen controller, which is capable of detecting 2 points touch with a legacy 4-wire resistive touch screen.

BU21021GUL is capable of detecting X/Y coordinates, touch pressure in 1 point detection mode, and a pair of X/Y coordinates in 2 point detection mode.

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Datasheet Details

Part number BU21021GUL
Manufacturer ROHM
File Size 522.48 KB
Description 4-wire resistive Touch Screen Controller
Datasheet download datasheet BU21021GUL Datasheet

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BU21021GUL Datasheet 4-wire resistive Touch Screen Controller BU21021GUL ●General Description BU21021GUL is a resistive touch screen controller, which is capable of detecting 2 points touch with a legacy 4-wire resistive touch screen. BU21021GUL is capable of detecting X/Y coordinates, touch pressure in 1 point detection mode, and a pair of X/Y coordinates in 2 point detection mode. It is also capable of recognizing multiple finger gestures from coordinate data variation and notifying to host with gesture detection flags respectively. BU21021GUL employs embedded CPU for noise filtering, coordinate calculation, gesture detection and other signal processing required on a chip.