SSD1338 display driver library

The SSD1338 display controller is supported by the RAMTEX SSD1339 display driver library package.
Full GUI display driver C source code. Processor and C compiler independent.

SSD1338 display controller characteristics

Below is a brief introduction to the main characteristics for the SSD1338 RGB display controller (seen from a software driver design viewpoint).

For information about the SSD1338 driver software support please go to the library description.

SSD1338 device type

  • COG RGB color display controller for use in small embedded systems with on-chip frame buffer and OLED screen driver .
  • The SSD1338 supports OLED screens with a size up to 132 x 132 pixels (WxH)
  • On-chip OLED driver with voltage generator and software controlled intensity regulation.

Frame buffer

  • RGB pixel resolution (bits per pixel): 8-bit, 16-bit, 18-bit.
  • SSD1338 frame buffer organization: 132 RGB pixels on scan line, 132 lines.

Processor interfaces on SSD1338

  • SSD1338 parallel bus interface
    • Parallel bus types: 8080 bus type and 6800 bus type
    • Parallel bus size: 8-bit, 16-bit.
    • Addressing concept: Indexed bus interface (1 chip select pin + 1 address bit pin (Data/Command))
  • Serial bus interfaces on SSD1338
    • SPI bus: 4-wire: /CS, DC, SDIN, SCLK
    • In SPI bus there is no read-back of frame buffer memory
  • The bus interfaces are all supported by the SSD1338 display driver software package.

Special SSD1338 hardware features:

  • Grapic hardware accelerator, for instance graphic rendering of rectangle fill or frame, circle fill or frame, line drawing and scroll .
  • 0-180 degree frame buffer rotation with hardware support
  • Support for screen driver intensity (contrast) regulation in hardware.
  • Full driver software support.

Display controller vendor


Seeking a display controller equivalent to SSD1338?

Check these:

SSD1339 SSD0332 SSD1331 SSD1332 SSD1335 SSD1351 SSD1353

These display controllers have similar internal configuration and rendering features. They differ mostly on the screen size.