sed1355 ETC-unknow, sed1355 Datasheet - Page 149

• Manufacturer Part Number: sed1355
• Description: Sed1355 Embedded Ramdac Lcd/crt Controller
• Manufacturer: ETC-unknow

Epson Research and Development
Vancouver Design Center
(Speed Grade)
Hardware Functional Specification
Issue Date: 99/05/18
MClk = 33MHz
MClk = 25MHz
DRAM Type
EDO-DRAM
FPM-DRAM
N
N
N
N
N
N
60ns
RP
60ns
RP
RCD
RCD
RC
RC
= 1.5
= 1.5
= 4
= 4
= 2
= 2
1
• Single Panel.
• CRT.
• Dual Mono/Color Panel with Half
• Simultaneous CRT + Single Panel.
• Simultaneous CRT + Dual
• Dual Color with Half Frame Buffer
• Dual Mono with Half Frame Buffer
• Single Panel.
• CRT.
• Dual Mono/Color Panel with Half
• Simultaneous CRT + Single Panel.
• Simultaneous CRT + Dual
• Dual Mono with Half Frame Buffer
• Dual Color with Half Frame Buffer
Frame Buffer Disabled.
Mono/Color Panel with Half Frame
Buffer Disabled.
Enabled.
Enabled.
Frame Buffer Disabled.
Mono/Color Panel with Half Frame
Buffer Disabled.
Enabled.
Enabled.
1.
2.
3.
Display
800x600 @ 16 bpp requires 2M bytes of display buffer for all display types.
800x600 @ 8 bpp on a dual color panel requires 2M bytes of display buffer if the half frame
buffer is enabled.
Must set N
Table 14-3: Example Frame Rates with Ink Disabled (Continued)
5
5
5
5
RC
= 4MCLK. See REG[22h], Performance Enhancement Register.
Resolution
800x600
800x600
800x600
800x600
800x600
640x480
640x240
480x320
320x240
640x480
640x480
640x240
480x320
320x240
640x480
640x400
640x480
2,3
2,3
2
2
2
1/2/4/8/15/16
1/2/4/8/15/16
1/2/4/8/15/16
Color Depth
1/2/4/8
1/2/4/8
1/2/4/8
1/2/4/8
1/2/4/8
1/2/4/8
1/2/4/8
1/2/4/8
1/2/4/8
1/2/4/8
1/2/4/8
1/2/4/8
1/2/4/8
1/2/4/8
15/16
15/16
15/16
15/16
(bpp)
15/16
15/16
15/16
15/16
15/16
15/16
15/16
15/16
15/16
15/16
6
6
6
6
6
Maximum
Clock
(MHz)
Pixel
16.5
16.5
12.5
12.5
12.5
12.5
8.33
12.5
8.33
33
11
11
25
HNDP(T
Minimum
Panel
32
56
32
56
32
56
32
56
32
56
32
32
32
32
32
56
32
56
32
56
32
56
32
56
32
32
32
32
32
32
32
s
)
Maximum Frame
Panel
203
200
388
142
152
294
101
200
196
380
103
136
145
280
66
65
98
66
43
68
50
48
77
75
50
77
92
50
33
77
51
Rate (Hz)
X23A-A-001-11
4
SED1355
Page 143
CRT
55
55
78
78
60
60
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