CYAT827X
PSoC™ Automotive Multitouch Generation
7XL Hybrid In-cell
Datasheet Summary
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Features
• Automotive Electronics Council (AEC) AEC-Q100 qualified
• In-cell touchscreen controller
• Multi-touch capacitive touchscreen controller
- 32-bit Arm® Cortex® CPU
- Register-configurable
- Noise-suppression technologies for display and EMI
• AutoArmor improves both electromagnetic emissions and immunity
• Effective 20-V drive for higher signal-to-noise ratio (SNR)
- Water rejection
- Multitouch glove with automatic mode switching
• Ten fingers with thin glove (≤1-mm thick)
- Fingernail tracking
- Large object rejection
- Automatic baseline tracking to environmental changes
- Field upgrades via bootloader
- Manufacturing test kit (MTK)
- Touchscreen sensor self-test
- Android driver support
• System performance (configuration dependent)
- Screen sizes up to 20-inch diagonal
• 5.3-mm electrode pitch; 16:10 aspect ratio
- Up to 64 RX channels, 2176 intersections; 16:10 aspect ratio
- Reports up to ten fingers
- Small finger support down to 5 mm
- Refresh rate up to 250 Hz; other rates configurable
- Integrated DSP to process and filter data for faster scanning and lower noise
- 64 RX channels, each with its own ADC, to enable single pass long-side scanning for faster processing of touch
data and better noise filtering
• Power (configuration-dependent)
- 1.71 to 1.95 V and 3.0 to 5.5 V logic and digital I/Os supply
- 3.0 to 5.5 V analog supply
- 30-mW average power
• Sensor and system design (configuration-dependent)
- Supports In-cell sensors
• TX/VCOM share the same layer
• RX ITO layer on/above the color filter
• Primary host communication interface
- I2C slave at 100 and 400 kbps
Datasheet Summary
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002-35955 Rev. **
2022-07-26