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240RGB x 320 TFT LCD Controller Driver
Integrated Power Circuit, Gate and Source Driver with built-in RAM

SSD1297 is an all in one display driver that integrated the power circuits, source driver and gate driver into a single chip.

SSD1297 can drive a 262K/65K color a-TFT panel with resolution 240 RGB sources x 320 gates.

It also integrated the controller function and consists of 172,800 bytes (240 x 320 x 18 / 8) Graphic Display Data RAM (GDDRAM) such that it interfaced with common MPU through 8/16/ -bit 6800-series / 8080-series compatible parallel interface or serial peripheral interface and stored the data in the GDDRAM. Auxiliary 18-/16-/6- bit video interface (VSYNC, HSYNC, DOTCLK, ENABLE) are integrated into SSD1297 for animation image display. SSD1297 is MeSSI-8 or MeSSI-16 in 8080-series interface and ViSSI compatible in 16/18 line parallel RGB interface. LoSSI (3-wire 9bit serial interface) comes along with ViSSI.

SSD1297 embeds a high efficient DC-DC Converter and a Voltage Regulator to generate all necessary voltage level to the a-TFT panel with minimum external components required. The SSD1297 provides a 8-color power saving mode to reduce the energy consumption in portable devices. The sources and gate scan direction can be controlled by software command. An Integrated Gamma Control Circuit is also included that can be selected from 4 preset gamma curves to provide flexibility and optimal display quality. 

• 240RGB x 320 single chip controller driver IC for 262K/65K color amorphous TFT LCD

• Power Supply

  • VDDIO = 1.4V - 3.3V (I/O Interface)

  • VCI = 2.5V - 3.3V (power supply for internal analog circuit)

• Output Voltages

  • Gate Driver: 

    • VGH-GND = 9V ~ 18V

    • VGL-GND = -6 ~ -15V

    • VGH-VGL = 32Vp-p

  •  Source Driver:

    • V0 - V63 = 5.5V

    • Typical Source Output Voltage variation: ±10 mV

  • VCOM drive: 

    • VCOMH = 3.0V ~ 5.0V

    • VCOML = -1.0V ~ -3.0V

    • VCOM amplitude = 5.5V

• System Interface

  • High-speed interface by 8-/16-bit 6800-series / 8080-series parallel ports

  • Serial Peripheral Interface (SPI) 

  • VSYNC interface (system interface + VSYNC)

  • WSYNC interface (system interface + WSYNC) 

• Support low power consumption 

  • Low voltage supply

  • Low current sleep mod

  • 8-color display mode

  • Charge sharing function for step-up circuits

• High-speed RAM addressing functions

  • RAM write synchronization function

  • Window address function

  • Vertical scrolling function

  • Partial display mode

• Internal power supply circuit

  • Voltage generator

  • DC-DC converter up to 6x/-5x

• Built-in internal oscillator

• Internal GDDRAM capacity: 172,800 bytes (240x320x18/8)

• Support Frame and Line inversion AC drive

• TFT storage capacitance: Cs on common

• Support source and gate scan direction control 

• Programmable Gamma Correction Curve

• 4 Preset gamma correction curve

• Tearing Effect Line Mode

• Built-in Non Volatile Memory for VCOM calibration and manufacturing ID

• Command status read function