Page 142
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