TST242 TrueTouch® Single-Touch Touchscreen Controller
Applications
- Mobile phones
- Digital Cameras
- Wearables
- Printers
Features
- TrueTouch® capacitive touchscreen controller
- True single-layer ITO sensor support – no bridges
- Single finger position reported
- Screen sizes up to 3.5” diagonal
- Performance
- Noise-free resolution: 0.1 mm
- Accuracy with 1 finger on the touchscreen: 0.8 mm
- >110-Hz refresh rate with one finger on the touchscreen
- Extended feature set
- Water rejection – no false touches
- Capacitive buttons supported
- On-chip gesture detection
- Sensor and system design
- Supports chip-on-flex and chip-on-board
- Supports plastic film and glass touch sensors
- Supports a variety of touchscreen sensor stackups
- Communication interface
- I2C slave up to 400 kHz
- SPI slave with 2 Mbps sustained data throughput
- Field upgrades through integrated bootloader
- Package options
- 32-pin 5 × 5 × 0.55 mm QFN
- 48-pin 7 × 7 × 1.0 mm QFN