Advance Information

132RGB x 132 TFT
Integrated Power, Source and Gate Driver with Controller and built-in RAM

SSD1284 is an all in one TFT LCD Controller Driver that integrated the RAM, power circuits, gate driver and source driver into a single chip. It can drive up to 262k color amorphous TFT panel with resolution of 132 RGB x 132. 

It also integrated the controller function and consists of 39,204 bytes (132 x 132 x 18 / 8) Graphic Display Data RAM (GDDRAM) such that it interfaced with common MPU through 8-/9-/16-/18-bits 6800-series / 8080-series compatible parallel Interface or serial peripheral interface and stores the data in the GDDRAM. 

With 9 external capacitors only, SSD1284 embeds DC-DC Converter and Voltage generator to provide all necessary voltage required by the driver with minimum external components. A Common Voltage Generation Circuit is included to drive the TFT-display counter electrode. An Integrated Gamma Control Circuit is also included that can be adjusted by software commands to provide maximum flexibility and optimal display quality. 

SSD1284 can be operated down to 1.4V and provides different power save modes. It is suitable for any portable, battery-driven applications requiring long operation periods and compact size.

• 132RGB x 132 single chip controller driver IC for 262k color amorphous TFT LCD

• Power Supply: 

  • V_DDEXT = 1.4V –3.6 V (Internal Logic)

  • V_DDIO = 1.4V – 3.6V (I/O Interface)

  • V_CI = 2.5V - 3.6V (power supply for internal analog circuit)

• Output Voltage

  • Gate Driver:

    • VGH-GND = 10V ~ 15V

    • VGL-GND =-7.5 ~ -15V

    • VGH-VGL = 30V p-p

  • Source Driver:

    • V0 - V63 = 0 - 5V

    • Typical Source Output Voltage variation: ±10 mV

  • VCOM Driver:

    • VCOMH = 3.0V ~ 5.0V 

    • VCOML = 0V ~ -3.0V 

    • VCOMA = 5.5V

• System Interface

  • High-speed interface by 8-/9-/16-/18-bit 6800-series / 8080-series parallel ports

  • Serial Peripheral Interface (SPI)

• Moving picture display interface

  • VSYNC interface (system interface + VSYNC)

  • WSYNC interface (system interface + WSYNC)

• Support low power consumption:

  • Low voltage supply

  • Low current sleep mode

  • 8-color display mode for power saving

  • Charge sharing function for switching 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/-6x

• Built-in internal oscillator

• Internal GDDRAM capacity: 39,204Byte

• Support Frame and Line inversion AC drive

• TFT storage capacitance: Cs on common and Cs on gate

• Support source and gate scan direction control

• Programmable gamma correction curve

• 4 Preset gamma correction curve

• Built-in Non Volatile Memory for VCOM calibration

• Support flexible arrangement of gate circuits on both sides of the glass substrate