Epson Research and Development Page 119
Vancouver Design Center
Hardware Functional Specification S1D13504
Issue Date: 01/01/30 X19A-A-002-18
11 Clocking

11.1 Maximum MCLK: PCLK Ratios

Table 11-1: Maximum PCLK Frequency with EDO-DRAM
Display type NRC Maximum PCLK Allowed
1 bpp 2 bpp 4 bpp 8 bpp 16 bpp
Single Panel.
•CRT.
Dual Monochrome/Color Panel with Half Frame Buffer
Disabled.
Simultaneous CRT + Single Panel.
Simultaneous CRT + Dual Monochrome/Color Panel
with Half Frame Buffer Disabled.
5, 4, 3 MCLK
Dual Monochrome Panel with Half Frame Buffer
Enabled.
Simultaneous CRT + Dual Monochrome Panel with
Half Frame Buffer Enable.
5 MCLK/2 MCLK/2 MCLK/2 MCLK/2 MCLK/3
4 MCLK/2 MCLK/2 MCLK/2 MCLK/2 MCLK/3
3 MCLK MCLK MCLK/2 MCLK/2 MCLK/2
Dual Color Panel with Half Frame Buffer Enable d.
Simultaneous CRT + Dual Color Panel with Half
Frame Buffer Enable.
5 MCLK/2 MCLK/2 MCLK/2 MCLK/3 MCLK/3
4 MCLK/2 MCLK/2 MCLK/2 MCLK/2 MCLK/3
3 MCLK/2 MCLK/2 MCLK/2 MCLK/2 MCLK/3
Table 11-2: Maximum PCLK Frequency with FPM-DRAM
Display type NRC Maximum PCLK allowed
1 bpp 2 bpp 4 bpp 8 bpp 16 bpp
Single Panel.
•CRT.
Dual Monochrome/Color Panel with Half Frame Buff er
Disabled.
Simultaneous CRT + Single Panel.
Simultaneous CRT + Dual Monochrome/Color Panel
with Half Frame Buffer Disabled.
5, 4, 3 MCLK
Dual Monochrome Panel with Half Frame Buffer
Enabled.
Simultaneous CRT + Dual Monochrome Panel with
Half Frame Buffer Enable.
5 MCLK/2 MCLK/2 MCLK/2 MCLK/2 MCLK/3
4 MCLK/2 MCLK/2 MCLK/2 MCLK/2 MCLK/2
3 MCLK MCLK MCLK M CLK/2 MCLK/2
Dual Color Panel with Half Frame Buffer Enabled.
Simultaneous CRT + Dual Color Panel with Half
Frame Buffer Enable.
5 MCLK/2 MCLK/2 MCLK/2 MCLK/2 MCLK/3
4 MCLK/2 MCLK/2 MCLK/2 MCLK/2 MCLK/3
3 MCLK/2 MCLK/2 MCLK/2 MCLK/2 MCLK/2