sed1355 ETC-unknow, sed1355 Datasheet - Page 95

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

Epson Research and Development
Vancouver Design Center
7.5.7 8-Bit Dual Monochrome Passive LCD Panel Timing
VDP
VNDP
HDP
HNDP
Hardware Functional Specification
Issue Date: 99/05/18
UD[3:0], LD[3:0]
* Diagram drawn with 2 FPLINE vertical blank period
Example timing for a 640x480 panel
= Vertical Display Period
= Vertical Non-Display Period
= Horizontal Display Period
= Horizontal Non-Display Period
FPFRAME
FPSHIFT
FPLINE
FPLINE
MOD
MOD
UD3
UD2
UD1
UD0
LD3
LD2
LD1
LD0
Figure 7-36: 8-Bit Dual Monochrome Passive LCD Panel Timing
241-1
241-2
241-3
241-4
1-1
1-2
1-3
1-4
LINE 1/241
241-5
241-6
241-7
241-8
1-5
1-6
1-7
1-8
LINE 2/242
= (REG[09h] bits [1:0], REG[08h] bits [7:0]) + 1
= (REG[0Ah] bits [5:0]) + 1
= ((REG[04h] bits [6:0]) + 1)*8Ts
= ((REG[05h] bits [4:0]) + 1)*8Ts
LINE 3/243
LINE 4/244
VDP
HDP
LINE 239/479 LINE 240/480
VNDP
241-637
241-638
241-639
241-640
1-637
1-638
1-639
1-640
HNDP
LINE 1/241
LINE 2/242
X23A-A-001-11
SED1355
Page 89