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CYTT21X/31X (40, 44, 48 IOS) TrueTouch® Multi-Touch All-Points Touchscreen Controller | Cypress Semiconductor

CYTT21X/31X (40, 44, 48 IOS) TrueTouch® Multi-Touch All-Points Touchscreen Controller

Last Updated: 
Jan 17, 2016
Version: 
*C

Features

  • Multi-touch capacitive touchscreen controller
    • 32-bit ARM Cortex™ CPU
    • Register configurable
    • Noise suppression technologies for battery charger and display
    • Waterproofing and wet-finger tracking with DualSense™
    • Automatic Mode Switching (AMS) for advanced sensing modes
    • 10-finger tracking with 1-mm-thick gloves
    • 2-finger tracking with 5-mm-thick gloves
    • Face detection: Infrared proximity sensor replacement (CYTT21XXX)
    • Passive stylus support with palm rejection and AMS (CYTT31XXX)
  • System performance (configuration dependent)
    • Screen sizes up to 7.0-inch diagonal
    • Up to 48 sense pins
    • Reports up to 10 fingers
    • Best-in-class charger noise immunity (Up to 35 Vpp)
  • Power (configuration dependent)
    • 1.71- to 1.95-V or 2.0- to 5.5-V digital and I/O supply
    • 2.65- to 4.7-V analog supply
    • Up to 9-mW average power
    • Up to 10.7-µW typical deep-sleep power
  • Sensor and system design (configuration dependent)
    • Supports a variety of touchscreen sensors and stack-ups
    • Single-layer flexible printed circuit (FPC) routing enabled by flexible TX/RX configurations
  • Communication Interface
    • I2C slave at 100 and 400 kbps
    • SPI slave bit rate up to 8 Mbps (Supported in selected parts)
  • Package options
    • 44-pin 5 × 5 × 0.6-mm QFN (0.35-mm lead pitch)
    • 48-pin 6 × 6 × 0.6-mm QFN (0.4-mm lead pitch)
    • 56-pin 6 × 6 × 0.6-mm QFN (0.35-mm lead pitch)