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Epson Research and Development
Vancouver Design Center
S1D13505 Hardware Functional Specification
X23A-A-001-14 Issue Date: 01/02/02
1. Must set N
RC
= 4MCLK. See REG[22h], Performance Enhancement Register.
2. 800x600 @ 16 bpp requires 2M bytes of display buffer for all display types.
3. 800x600 @ 8 bpp on a dual color panel requires 2M bytes of display buffer if the half frame
buffer is enabled.
60ns
EDO-DRAM
MClk = 33MHz
N
RC
= 4
N
RP
= 1.5
N
RCD
= 2
• Single Panel.
•CRT.
• Dual Mono/Color Panel with Half
Frame Buffer Disabled.
5
• Simultaneous CRT + Single Panel.
• Simultaneous CRT + Dual
Mono/Color Panel with Half Frame
Buffer Disabled.
5
800x600
2
1/2/4/8
33
32 66 55
15/16
6
56 65 55
640x480
1/2/4/8 32 101 78
15/16 56 98 78
640x240
1/2/4/8 32 203 -
15/16 56 200 -
480x320
1/2/4/8 32 200 -
15/16 56 196 -
320x240
1/2/4/8 32 388 -
15/16 56 380 -
• Dual Color with Half Frame Buffer
Enabled.
• Dual Mono with Half Frame Buffer
Enabled.
800x600
2,3
1/2/4/8 16.5 32 66 -
15/16
6
11 32 43 -
640x480
1/2/4/8 16.5 32 103 -
15/16 11 32 68 -
60ns
FPM-DRAM
MClk = 25MHz
N
RC
= 4
N
RP
= 1.5
N
RCD
= 2
• Single Panel.
•CRT.
• Dual Mono/Color Panel with Half
Frame Buffer Disabled.
5
• Simultaneous CRT + Single Panel.
• Simultaneous CRT + Dual
Mono/Color Panel with Half Frame
Buffer Disabled.
5
800x600
2
1/2/4/8
25
32 50 -
15/16
6
56 48 -
640x480
1/2/4/8 32 77 60
15/16 56 75 60
640x240
1/2/4/8 32 142 -
15/16 56 136 -
480x320
1/2/4/8 32 152 -
15/16 56 145 -
320x240
1/2/4/8 32 294 -
15/16 56 280 -
• Dual Mono with Half Frame Buffer
Enabled.
800x600
2
1/2/4/8/15/16
6
12.5 32 50 -
640x480 1/2/4/8/15/16 12.5 32 77 -
640x400 1/2/4/8/15/16 12.5 32 92 -
• Dual Color with Half Frame Buffer
Enabled.
800x600
2,3
1/2/4/8 12.5 32 50 -
15/16
6
8.33 32 33 -
640x480
1/2/4/8 12.5 32 77 -
15/16 8.33 32 51 -
Table 14-3: Example Frame Rates with Ink Disabled (Continued)
DRAM Type
1
(Speed Grade)
Display Resolution
Color Depth
(bpp)
Maximum
Pixel
Clock
(MHz)
Minimum
Panel
HNDP(T
s
)
Maximum Frame
Rate (Hz)
Panel
4
CRT