SSD1285 TFT display driver library

The SSD1285 display controller is supported by the RAMTEX S6D0129 display driver library package.
Full GUI display driver C source code. Processor and C compiler independent.

SSD1285 display controller characteristics

Below is a brief introduction to the main characteristics for the SSD1285 RGB display controller (seen from a software driver design viewpoint).

For information about the SSD1285 driver software support please go to the library description.

SSD1285 device type

  • COG RGB color display controller for use in small embedded systems with on-chip frame buffer and TFT screen driver.
  • The SSD1285 supports TFT screens with a size up to 128 x 160 pixels (WxH)
  • On-chip TFT driver with voltage generator

Frame buffer

  • RGB pixel resolution (bits per pixel): 16-bit, 18-bit.
  • SSD1285 frame buffer organization: 128 RGB pixels on scan line, 160 lines.

Processor interfaces on SSD1285

  • SSD1285 parallel bus interface
    • Parallel bus types: 8080 bus type and 6800 bus type
    • Parallel bus size: 8-bit, 16-bit, 18 (32)-bit.
    • Addressing concept: Indexed bus interface (1 chip select pin + 1 address bit pin (Data/Command))
  • Serial bus interfaces on SSD1285
    • SPI bus: 4-wire: /CS, DC, SDIN, SCLK.
    • SPI bus: 3-wire: /CS, SDIN, SCLK. SPI-3 uses a 9 bit byte frame where first bit is DC
  • The bus interfaces are all supported by the SSD1285 display driver software package.

Special SSD1285 hardware features:

  • 0-180, 90-270 degree frame buffer rotation with hardware support. Portrait mode, landscape mode.
  • Full driver software support.

Display controller vendor


Seeking a display controller equivalent to SSD1285?

Check these:

S6D0129 R61506 S6D0118 SSD1283 SSD1284 SSD1286 TL1771

These display controllers have similar internal configuration and graphic rendering features.
The differences are primarily related to display screen sizes or available bus interface types.