CY8CTST110
TrueTouch™ Single-Touch
Touchscreen Controller
Cypress Semiconductor Corporation
•
198 Champion Court
•
San Jose
, CA 95134-1709
•
408-943-2600
Document Number: 001-46931 Rev. *B
Revised July 28, 2008
Features
■ TrueTouch
™ Capacitive Touchscreen Controller
❐ Supports Single-Touch Touchscreen Applications
❐ Supports up to 24 X/Y Sensor Inputs
❐ Supports Screen Sizes 4.3” and Below (Typical)
❐ Fast Scan Rates: Typical 0.5 ms per Sensor
❐ High Resolution: Typical 320 x 240 for 2.6” Screen
❐ Available in 32-Pin QFN Package
❐ Transition to Higher Function Multi-Touch Gesture Device
■ Highly Configurable Sensing Circuitry
❐ Allows Maximum Design Flexibility
❐ Allows Trade-Off Between Scan Time and Noise Performance
■ Provides Maximum EMI Immunity
❐ Selectable Spread-Spectrum Clock Source
■ Low Power TrueTouch Single-Touch Touchscreen Device
❐ 4 mA Average Supply Current at 8 ms Report Rate
❐ 2 mA Average Supply Current at 16 ms Report Rate
■ Powerful Harvard Architecture Processor
❐ M8C Processor Speeds to 24 MHz
❐ Low Power at High Speed
❐ 2.7V to 5.25V Operating Voltage
❐ Industrial Temperature Range: –40°C to +85°C
■ Flexible On-Chip Memory
❐ 8K Flash Program Storage, 50000 Erase/Write Cycles
❐ 512 Bytes SRAM Data Storage
❐ In-System Serial Programming (ISSP™)
❐ Partial Flash Updates
❐ Flexible Protection Modes
❐ EEPROM Emulation in Flash
■ Complete Development Tools
❐ Free Development Software (PSoC Designer™)
❐ TrueTouch Touchscreen Tuner
❐ Full-Featured, In-Circuit Emulator and Programmer
❐ Full Speed Emulation
❐ Complex Breakpoint Structure
❐ 128K Trace Memory
■ Precision, Programmable Clocking
❐ Internal ±2.5% 24/48 MHz Oscillator
❐ Internal Oscillator for Watchdog and Sleep
■ Programmable Pin Configurations
❐ 25 mA Sink, 10 mA Drive on All GPIO
❐ Pull Up, Pull Down, High Z, Strong, or Open Drain Drive Modes
on All GPIO
❐ Up to 8 Analog Inputs on GPIO
❐ Configurable Interrupt on All GPIO
■ Additional System Resources
❐ I
2C™ Master, Slave, and Multi-Master to 400 kHz
❐ Watchdog and Sleep Timers
❐ User-Configurable Low Voltage Detection
❐ Integrated Supervisory Circuit
❐ On-Chip Precision Voltage Reference
Logic Block Diagram
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