描述 Description

所有功能True multi-touch Independent XY tracking with 10 simultaneous touches in real time Supports 21TX and 40RX channels and 1 FLOAT pinSingle chip solution Supports 5.5 inch to 7 inch screen size with 4mm sensor pitch Supports thin flexible touch-display highly capacitive panel types Supports LTPO display panels with dynamic refresh ratesAdvanced Analog Front End (AFE) Simultaneous mutual sensing and self-sensing support on all the channels Support for thin flexible touch display modules through proprietary node compensation hardware Differential architecture with ability to configure in single-ended mode Multiple scanning methods with multi-TX drive for high SNR and provide high noise immunity High drive capability charge-pump to drive high capacitive panelsHigh SNR Very low intrinsic noise to improve the device SNR and provide very high sensitivity Extremely strong common mode charger noise rejection Advanced filtering techniques for high noise immunitySYNC support Supports SYNC Mode and Non-SYNC Mode of operation Supports single SYNC pin that can be used as VSYNC, HSYNC or Embedded VSYNC Useful for quad high definition display synchronization during both mutual-sensing and self-sensing Seamless support of variable display rate from 1Hz to 120HzDigital Core and Memory ARM M4 core 96MHz core clock to implement all features with faster processing 192KB Flash with GPIO6 dedicated pin for Flash Write enable for TEE framework Advanced differential data processing for common mode noise immunity 128KB RAM comprised of 64KB frame memory and 64KB data)Advanced Features Multi finger thick gloves, 2.5mm passive stylus, wet finger touch, water rejection, cover mode support Finger separation ≤ 10mm Capacitive proximity of 20mm

特性 Features

? True multi-touch
?Independent XY tracking with 10 simultaneous touches in real time
?Supports 21TX and 40RX channels and 1 FLOAT pin
? Single chip solution
?Supports 5.5 inch to 7 inch screen size with 4mm sensor pitch
?Supports thin flexible touch-display highly capacitive panel types
?Supports LTPO display panels with dynamic refresh rates
? Advanced Analog Front End (AFE)
?Simultaneous mutual sensing and self-sensing support on all the channels
?Support for thin flexible touch display modules through proprietary node compensation hardware
?Differential architecture with ability to configure in single-ended mode
?Multiple scanning methods with multi-TX drive for high SNR and provide high noise immunity
?High drive capability charge-pump to drive high capacitive panels
? High SNR
?Very low intrinsic noise to improve the device SNR and provide very high sensitivity
?Extremely strong common mode charger noise rejection
?Advanced filtering techniques for high noise immunity
? SYNC support
?Supports SYNC Mode and Non-SYNC Mode of operation
?Supports single SYNC pin that can be used as VSYNC, HSYNC or Embedded VSYNC
?Useful for quad high definition display synchronization during both mutual-sensing and self-sensing
?Seamless support of variable display rate from 1Hz to 120Hz
? Digital Core and Memory
?ARM M4 core 96MHz core clock to implement all features with faster processing
?192KB Flash with GPIO6 dedicated pin for Flash Write enable for TEE framework
?Advanced differential data processing for common mode noise immunity
?128KB RAM comprised of 64KB frame memory and 64KB data)
? Advanced Features
?Multi finger thick gloves, 2.5mm passive stylus, wet finger touch, water rejection, cover mode support
?Finger separation ≤ 10mm
?Capacitive proximity of 20mm
? Fast report rate
?Flexible Report rate of 240Hz
? Low Power
?ST proprietary Hardware and Firmware techniques to achieve low power
? Touch panels
?Works with thin flexible flat or curved panels with touch embedded into high resolution displays
?Works with LTPO display panels
? Power supply scheme
?Dual supply operation 3.3 V and 1.8 V
? Serial interface
?I2C compatible slave mode (100Kbps, 400Kbps, 1Mbps)
?3-wire and 4-wire Mode 0 SPI interface 12MHz (typ.)
?3.3V tolerant interface for I2C and SPI
?I/Os: RESETB, INTB hardware pins to host interface, 4 Digital inputs and 2 GPIOs with full programmability
?All digital pins are fail safe
? ESD & TLP
?High ESD on RX and TX pins (±8KV HBM) and >±3KV HBM on all other pins
?High ESD on RX and TX pins (±1KV CDM) and ±500V CDM on all other pins
?>4A TLP on all pins
? EMI
?Low EMI <-70dBm average
?Flicker avoidance techniques