1.产品技术介绍

1.1自互一体传感器芯片

- 28 TX, 59 RX Mutual Sensing channels

- Self sensing for all TX/RX channels

1.2嵌入式存储器

- 64KB EEPROM

- 32KB Code SRAM & 32KB System SRAM

1.3增强性能

- Reduced sensing time Ø

n 59 instances of sensing circuits to enable simultaneous sensing for all RX channels

- Enhanced MCU performance Ø

n Embedded Cortex-M3 Ø

n Embedded 32KB Code SRAM Ø

n Operational clock frequency up to 40MHz

- Embedded DSP engines Ø

n Intensity calculation & filtering Ø

n Reference tracking Ø

n Grouping Ø

n Convolution filter Ø

n Operational clock frequency up to 80MHz

1.4抗干扰性

- Synchronous sensing to prevent noise propagation

- Advanced Median filter to enable faster sensing & reliable noise cancellation

- Display synchronized sensing mode to avoid display noise

- Variously phase shifted system clocks

1.5低功耗

- Optimized sensing circuits to minimize power consumption during sensing operation

- Various power saving modes to achieve low power consumption

n Deep/Light sleep modes Ø

n EEPROM power down mode Ø

n Selective & dynamic clock gating

1.6接口

- I2C Slave for Host interface or code download

- SPI Slave for Host interface or code download

- 8 GPIOs for interrupt, wake-up or display sync signals

1.7电源供应

- 2.8V to 3.6V Single supply voltage

- Active current : 30mA  Ø

n depending on Panel environment

- 4 Internally generated supplies Ø

n VDDA : 2.8V Analog Supply Ø

n VDDCP : 2.8V Charge-pump input supply Ø

n VPP : 8~12V Charge-pump output supply Ø

n VDDD : 1.8V Digital core supply

1.8封装

- BGA 120-ball 10x5.5x0.7T, 0.65mm pitch