Page 92
Epson Research and Development
Vancouver Design Center
S1D13505
Hardware Functional Specification
X23A-A-001-14
Issue Date: 01/02/02
7.5.9 16-Bit Dual Color Passive LCD Panel Timing
Figure 7-40: 16-Bit Dual Color Passive LCD Panel Timing
VDP
= Vertical Display Period
= (REG[09h] bits [1:0], REG[08h] bits [7:0]) + 1
VNDP
= Vertical Non-Display Period
= (REG[0Ah] bits [5:0]) + 1
HDP
= Horizontal Display Period
= ((REG[04h] bits [6:0]) + 1)*8Ts
HNDP
= Horizontal Non-Display Period
= ((REG[05h] bits [4:0]) + 1)*8Ts
9
VDP
FPLINE
FPSHIFT
UD[7:0], LD[7:0]
FPFRAME
FPLINE
MOD
UD6, LD6
UD5, LD5
UD4, LD4
UD3, LD3
UD2, LD2
UD1, LD1
UD0, LD0
UD7, LD7
MOD
VNDP
* Diagram drawn with 2 FPLINE vertical blank period
1-R1,
241-R1
1-B3,
241-B3
1-G638,
241-G638
1-B1,
241-B 1
1-G4,
241-G 4
1-R639,
241-R639
1-R2,
241-R 2
1-B4,
241-B4
1-G639,
241-G63
1-G2,
241-G2
1-R5,
241-R 5
1-B639,
241-B639
1-B2,
241-B 2
1-G5,
241-G 5
1-R640,
241-R640
1-R3,
241-R 3
1-B5,
241-B5
1-G 640,
241-G640
1-G3,
241-G3
1-R6,
241-R 6
1-B640,
241-B640
1-G1,
241-G1
1-R4,
241-R 4
1-B638,
241-B638
HDP
HNDP
Example timing for a 640x480 panel
LINE 1/241
LINE 2/242
LINE 3/243
LINE 4/244
LINE 239/479 LINE 240/480
LINE 1/241
LINE 2/242