VRAM to DAC
Assume no dual edge clocking
- Define Pixel Rate as RBG update rate
If 16BPP, SAM clk = pixel rate; RAMDAC clk = 2 *pixel rate
If 8BPP, SAM clk = 1/2 pixel rate; RAMDAC clk = pixel rate
If 32BPP, SAM clk = 2 * pixel rate
- RAMDAC clk = 4 * pixel rate