BU21021GUL Overview
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.
Key Features
- Legacy 4-wire resistive touch screen is applicable
- 1 point / 2 points touch detection
- On chip coordinate generation
- Multiple gesture detections
- 3V single power supply
- Higher coordinate resolution with 12-bit SAR A/D converter
- On chip clock generator
- Selectable HOST I/F
