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CY8CTST120 Datasheet, PDF (1/32 Pages) Cypress Semiconductor – TrueTouch™ Single-Touch Touchscreen Controller | |||
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CY8CTST120
TrueTouch⢠Single-Touch
Touchscreen Controller
Features
â TrueTouch⢠Capacitive Touchscreen Controller
â Supports Single-Touch Touchscreen Applications
â Supports up to 44 X/Y Sensor Inputs
â Supports Screen Sizes 7.3â and below (Typical)
â Fast Scan Rates: Typical 0.5 ms per Sensor
â High Resolution: Typical 480 x 360 for 3.5-inch screen
â Available in 56-Pin QFN Package
â Seamless Transition up to Higher Function Multi-Touch Ges-
ture and Multi-Touch All-Points-Addressable Devices
â Lowest Noise TrueTouch Device
â Highly Configurable Sensing Circuitry
â Allows Maximum Design Flexibility
â Allows Trade-Off Between Scan Time and Noise Perfor-
mance
â Provides Maximum EMI Immunity
â Selectable Spread-Spectrum Clock Source
â Powerful Harvard Architecture Processor
â M8C Processor Speeds to 24 MHz
â Two 8x8 Multiply, 32-Bit Accumulate
â Low Power at High Speed
â 3V to 5.25V Operating Voltage
â Industrial Temperature Range: â40°C to +85°C
â USB Temperature Range: â10°C to +85°C
â Full-Speed USB (12 Mbps)
â Four Uni-Directional Endpoints
â One Bi-Directional Control Endpoint
â USB 2.0 Compliant
â Dedicated 256 Byte Buffer
â No External Crystal Required
â Flexible On-Chip Memory
â 16K Flash Program Storage, 50000 Erase/Write Cycles
â 1K SRAM Data Storage
â In-System Serial Programming (ISSP)
â Partial Flash Updates
â Flexible Protection Modes
â EEPROM Emulation in Flash
â Precision, Programmable Clocking
â Internal ±4 percent 24 and 48 MHz Oscillator
â Internal Oscillator for Watchdog and Sleep
â 0.25 percent Accuracy for USB with no External Components
â Additional System Resources
â I2C⢠Slave, Master, and Multi-Master to 400 kHz
â Watchdog and Sleep Timers
â User-Configurable Low Voltage Detection
â Integrated Supervisory Circuit
â On-Chip Precision Voltage Reference
â Complete Development Tools
â Free Development Software (PSoC Designerâ¢)
â TrueTouch Touchscreen Tuner
â Full-Featured, In-Circuit Emulator and Programmer
â Full Speed Emulation
â Complex Breakpoint Structure
â 128K Bytes Trace Memory
â Programmable Pin Configurations
â 25 mA Sink, 10 mA Drive on All GPIO
â Pull Up, Pull Down, High Z, Strong, or Open Drain Drive
Modes on All GPIO
â Configurable Interrupt on All GPIO
Logic Block Diagram
Cypress Semiconductor Corporation ⢠198 Champion Court
Document Number: 001-46932 Rev. *B
⢠San Jose, CA 95134-1709 ⢠408-943-2600
Revised July 31, 2008
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