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Source code


Name: opb_vga_char_display_nodac
Created: Oct 9, 2007
Updated: Oct 17, 2007
SVN Updated: Mar 10, 2009

Other project properties

Category: Video controller
Language: Verilog
Development status: Stable
Additional info: FPGA proven
WishBone Compliant: No
License: GPL


This is an OPB-compatible VGA character display for the Spartan 3E development board, which does not contain DACs.
The core is very small, requiring only 3 BRAMs and 533 slices.
All access is through write character commands, similar to an LCD display. 3-bit color is supported, as well as inverted characters.
Current resolution is 640x480, 75x55 characters


- Ease of use
- Includes write string function
- Individual characters can also be written
- Small footprint


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