TSC2017 - Texas Instruments

TSC2017 4-Wire Micro TOUCH SCREEN CONTROLLER

The TSC2017 is a very low-power touch screen controller designed to work with power-sensitive, handheld applications that are based on an advanced low-voltage processor. It works with a supply voltage as low as 1.6V, which can be supplied by a single-cell battery. It contains a complete, ultra-low power, 12-bit, analog-to-digital (A/D) resistive touch screen.

Features

1
•234 4-Wire Touch Screen Interface
• Single 1.6V to 3.6V Supply/Reference
• Ratiometric Conversion
• Effective Throughput Rate:
  – Up to 20kHz (8-Bit) or 10kHz (12-Bit)
• Preprocessing to Reduce Bus Activity
• I2C Interface Supports:
  – Standard, Fast, and High-Speed Modes
• Simple, Command-Based User Interface:
  – TSC2003/TSC2007 Compatible
  – 8- or 12-Bit Resolution
• On-Chip Temperature Measurement
• Touch Pressure Measurement
• Digital Buffered PENIRQ
• On-Chip, Programmable PENIRQ Pull-Up
• Comprehensive Reset Schemes:
  – Power-On, Software, and Hardware Resets
• Auto Power-Down Control
• Lo.