Description
The TSC2301 is a highly integrated PDA analog interface circuit.
It contains a complete 12-bit A/D resistive touch screen converter (ADC) including drivers, touch pressure measurement capability, keypad controller, and 8-bit D/A converter (DAC) output for LCD contrast control.
Features
- SPI™ Serial Interface.
- Touch Screen Controller.
- 4-Wire Touch Screen Interface.
- Internal Detection of Screen Touch and Keypad Press.
- Touch Pressure Measurement.
- Ratiometric Conversion.
- Programmable 8-, 10- or 12-Bit Resolution.
- Programmable Sampling Rates Up to 125 kHz.
- Direct Battery Measurement (0 to 6 V).
- On-Chip Temperature Measurement.
- 4-by-4 Keypad Interface With Programmable De-Bounce and Ke.