PSOC™ Automotive Multitouch Gen7L
综述
The PSOC™ Automotive & Transportation Multitouch Gen7L (CYAT817L) is designed to reduce system costs by higher system integration while meeting the automotive EMC requirements. Thanks to its suitability to the harshest automotive electromagnetic environment, the medium size CYAT817L touchscreens deliver one of the bests HMI user experience. The Gen7 technology offers regular features such as water rejection, a low-power wake-up button, and glove touch without degradation of refresh rates while supporting MCU functions meeting the expectations of today’s car manufacturers.
Multitouch Gen7L (CYAT817L) Features
- Automotive Electronics Council (AEC) Q100 qualified
- Single-chip system solution that integrates touch controller with MCU functions
- Target Application: entry and mid-level central information display (CID) systems
- 32-bit MCU subsystem:
- 48-MHz Arm® Cortex®-M0+ CPU
- 12-bit SAR ADC for system monitoring (voltage, temperature) and other features (such as day/night sensor)
- Four timer counter pulse width modulators (TCPWMs)
- Three serial communication blocks (SCBs) that can be individually configured as SPI/I2 C/UART
- Up to 48 KB flash for user-specific system MCU functionality
- Up to 4 KB SRAM for user-specific system MCU functionality
- Up to 29 programmable GPIO pins with interrupt functionality
- Multi-touch capacitive touchscreen controller
- Register-configurable
- Noise-suppression technologies for display and EMI
- Effective 20-V drive for higher signal-to-noise ratio (SNR)[1]
- AutoArmor improves both electromagnetic emissions and immunity
- External display synchronization
- Water rejection and wet-finger tracking using DualSense
- Multi-touch glove with automatic mode switching
- Ten fingers with thin glove (≤1-mm thick)
- Two fingers with thick glove (≤5-mm thick)
- Large object rejection
- Automatic baseline tracking to environmental changes
- Low-power look-for-touch mode
- Field upgrades via bootloader
- Touchscreen sensor self-test
- Low power CAPSENSE™ wake-up button with a power consumption of 50 µA
- Low power wake-on-touchscreen with a power consumption of 120 µA
- Screen sizes up to 11-inch diagonal
- 5-mm electrode pitch; 8:3 aspect ratio
- Screen sizes up to 12.3-inch diagonal
- 7-mm electrode pitch; 8:3 aspect ratio
- Up to 72 sense pins supporting different aspect ratios, up to 1200 intersections (46×26)
- Reports up to ten fingers
- Small finger support down to 4 mm
- Refresh rate up to 250 Hz; other rates configurable
- TX frequency up to 350 kHz
- 71- to 1.95-V and 3.0- to 5.5-V logic and digital I/Os supply
- 0- to 5.5-V analog supply
- 20-mW average power
- 20-µW typical deep-sleep power
- Supports a variety of touchscreen sensors and stack-up
- Manhattan, diamond
- Sensor-on-lens (SOL)
- On-cell
- Plastic (PET) and glass-sensor substrates
- LCD, AMOLED, and IPS displays
- Metal mesh
- I2C slave at 100 kbps, 400 kbps, 1 Mbps, and 3.4 Mbps
- SPI slave bit rates up to 8 Mbps
- Arm® MDK for system MCU
- PSoC™ automotive Multitouch host emulator (TTHE) to configure touch
- MTK for debugging
- PSoC™ programmer for programming
- 100-pin TQFP 14 × 14 × 1.4 mm (0.5-mm pitch)
- 128-pin TQFP 14 × 20 × 1.4 mm (0.5-mm pitch)
- Automotive-A: –40°C to 85°C
- Automotive-S: –40°C to 105°C
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