... 1. Over ViewThis 2.04inch E-paper is designed for Price tag in supermarket, with interface and a reference ... An integrated circuit contains gate buffer, source buffer, interface, timing control logic, oscillator, DC-DC.SRAM. LUT ,VCOM, and border ... OTPSerial peripheral interface availableOn-chip oscillatorOn-chip booster and regulator control for generating VCOM, Gate and source driving voltage .I2C ...