GC9203 TFT display driver library

The GC9203 display controller is supported by the RAMTEX S6D0129 display driver library package.
Full GUI display driver C source code. Processor and C compiler independent.

GC9203 display controller characteristics

Below is a brief introduction to the main characteristics for the GC9203 RGB display controller (seen from a software driver design viewpoint).

For information about the GC9203 driver software support please go to the library description.

GC9203 device type

  • COG RGB color display controller for use in small embedded systems with on-chip frame buffer and TFT screen driver.
  • The GC9203 supports TFT screens with a size up to 176 x 220 pixels (WxH)
  • On-chip TFT driver with voltage generator

Frame buffer

  • RGB pixel resolution (bits per pixel): 16-bit, 18-bit.
  • GC9203 frame buffer organization: 176 RGB pixels on scan line, 220 lines.

Processor interfaces on GC9203

  • GC9203 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 GC9203
    • SPI bus: 4-wire: /CS, DC, SDIN, SCLK.
    • SPI bus: 3-wire: /CS, SDIN, SCLK. SPI-3 first byte in CS frame contains: device code, DC, RW. 16 or 24 bit transmission frame
  • The bus interfaces are all supported by the GC9203 display driver software package.

Special GC9203 hardware features:

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

Display controller vendor

  • GALAXYCORE

Seeking a display controller equivalent to GC9203?

Check these:

ST7775

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.