Active Pen Controller

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SiS9705 – SiS USI2.0 Active Pen Solution
OVERVIEW

SiS9705 is developed for such purposes not only as an active stylus controller, but also offering flexible design capability with a 32-bit RISC-V CPU integrated, 128KB Flash built-in, Analog-to-Digital converter (ADC), pressure sensor AFE, built-in LDO, SPI, I2C and UART interfaces.

SiS9705 is designed and compliant to the USI Stylus and Device Technical Specification Revision 2.0 to support USI in-cell, on-cell, out-cell platforms as well as Tilt function to fulfil the active stylus needs.

FEATURES
  • USI 2.0 Specification Compliance
  • Low Power RISC-V Processor
  • Transmitters (TX) with high voltage booster integrated
  • Receiver (RX) with filter and auto gain controller integrated
  • Analog Front End – Capacitive/Resistive Wheatstone bridge Force sensor with 4096 Levels of Pressure Sensitivity
  • Serial Peripheral Interface - I2C, SPI, UART
  • Green Package - BGA 3x5x0.81(mm)
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