ROHM Semiconductor

Resistive Touchscreen Controller ICs

Supports dual-touch gesture sensing without external resistors

Resistive Touchscreen Controller ICsThe BU21023 series of high-speed, high noise immunity, low-voltage resistive touchscreen controllers is now available from ROHM Semiconductor. These new controllers are the industry's first to enable multi-touch (two-point) operation and intuitive gesture control, including pinching, spreading and, rotating - previously possible only with more expensive capacitive touch systems.

This series of ICs integrate a dedicated analog circuit and CPU for precise two-point coordinate and gesture detection. A calibration function is also built-in which minimizes the effects of panel variations during production as well as fluctuations in touchscreen device characteristics caused by temperature variations or time-based degradation.

Features
  • 4-wire resistive touch screen interface
  • 3.0 V single power supply
  • 4-wire SPI interface / 2-wire serial interface
Applications
  • Selectable download way of CPU firmware (Host or EEPROM)
  • Two points and gesture detection

Resistive ICs

图片制造商零件编号描述电压基准可供货数量价格查看详情
IC SCREEN CNTRL 8BIT 28QFNBU21023MUV-E2IC SCREEN CNTRL 8BIT 28QFN-0 - 立即发货$53.28查看详情
发布日期： 2011-06-16