ST7775 TFT display driver library
The ST7775 and ST7775R display controllers are supported by the RAMTEX S6D0129 display driver library package.
Full GUI display driver C source code. Processor and C compiler independent.
More info about Graphic RGB Color library (S6D0129 family)
ST7775 display controller characteristics
Below is a brief introduction to the main characteristics for the ST7775 RGB display controller (seen from a software driver design viewpoint).
For information about the ST7775 driver software support please go to the library description.
ST7775 device type
- COG RGB color display controller for use in small embedded systems with on-chip frame buffer and TFT screen driver.
- The ST7775 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.
- ST7775 frame buffer organization: 176 RGB pixels on scan line, 220 lines.
Processor interfaces on ST7775
ST7775 parallel bus interface
- Parallel bus types: 8080 bus type
- Parallel bus size: 8-bit, 9 bit, 16-bit, 18 (32)-bit.
- Addressing concept: Indexed bus interface (1 chip select pin + 1 address bit pin (Data/Command))
- The bus interfaces are all supported by the ST7775 display driver software package.
Special ST7775 hardware features:
- 0-180, 90-270 degree frame buffer rotation with hardware support. Portrait mode, landscape mode.
- Full driver software support.
Display controller vendor
- Sitronix Technology Corp. https://www.sitronix.com.tw
Seeking a display controller equivalent to ST7775?
Check these:
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.