Epson Research and Development
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Vancouver Design Center
Hardware Functional Specification
S1D13704
Issue Date: 01/02/08
X26A-A-001-04
7.3.3 Single Monochrome 4-Bit Panel Timing
Figure 7-10: Single Monochrome 4-Bit Panel Timing
VDP =
Vertical Display Period
= (REG[06h] bits 1-0, REG[05h] bits 7-0) + 1 Lines
VNDP =
Vertical Non-Display Period
= REG[0Ah] bits 5-0 Lines
HDP =
Horizontal Display Period
= ((REG[04h] bits 6-0) + 1) x 8Ts
HNDP =
Horizontal Non-Display Period
= (REG[08h] + 4) x 8Ts
VDP
FPLINE
FPSHIFT
LINE1
LINE2
LINE3
LINE4
LINE239 LINE240
FPFRAME
LINE1
LINE2
FPLINE
DRDY (MOD)
1-2
1-6
1-318
1-3
1-7
1-319
1-4
1-8
1-320
1-1
1-5
1-317
DRDY (MOD)
VNDP
HDP
HNDP
* Diagram drawn with 2 FPLINE vertical blank period
Example timing for a 320x240 panel
FPDAT[7:4]
FPDAT6
FPDAT5
FPDAT4
FPDAT7
For this timing diagram Mask FPSHIFT, REG[01h] bit 3, is set to 1
*