TMA448 TrueTouch® Multi-Touch All-Points Touchscreen Controller
Applications
- Mass market mobile phones
- Mass market tablets
Features
- Multi-touch capacitive touchscreen controller
- 32-bit ARM Cortex™ CPU
- Register configurable
- Noise suppression technologies for battery charger and display
- Water rejection and wet-finger tracking using DualSense™
- Multi-touch glove with automatic mode switching
- System performance (configuration dependent)
- Screen sizes up to 8.3-inch diagonal
- Up to 58 sense pins
- Reports up to 10 fingers
- Best-in-class charger noise immunity (Up to 20 Vpp)
- Power (configuration dependent)
- 1.71- to 5.5-V digital and I/O supply
- 2.65- to 5.5-V analog supply
- 8.5-mW average power
- 15-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 all standard bit rates
- SPI slave bit rate up to 8 Mbps
- Package options
- 56-pin 6 × 6 × 0.6-mm QFN (0.35-mm lead pitch)
- 70-pin 5.5 × 5.5 × 0.6-mm BGA (0.6-mm lead pitch)