DVC DigitEyes Series - 10 Appendix B: Camera Timing Diagram; Figure 10-1: Camera Timingd

10. Appendix B: Camera Timing Diagram
(A) HORIZONTAL TIMING (BEGINNING OF A HORIZ. LINE)
1 UNIT = PIX. CLOCK PERIOD = 69.84 nS; CORRESPONDING TO 14.318MHz
910 CLOCK PERIODS = 63.55 uS = 1 LINE PERIOD
21 91
CSYNC
####
LINE 0 147
DATA
VALID
VIDEO
ACTIVE PIXELS
INACTIVE PIXELS
ACTIVE PIXELS
DATA 904 149
DETAIL SHOWN IN (B)
(B) DETAIL: BEGINNING OF A HORIZONTAL LINE
(C) VERTICAL TIMING (BEGINNING OF ODD FIELD)
1 UNIT = 1 HORIZ. LINE PERIOD = 63.55 uS
525 HORIZ. LINE PERIODS = 33.33 mS = 1 INTERLACED TV FRAME
518 519 520 521 522 523 524 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
VSYNC
CSYNC
EQ VS EQ 1H
LINE
DATA 1ST
VALID ACTIVE LINE
(ODD FIELD) DETAIL SHOWN IN (A)
FRAME
DATA NOTE: FRAME DATA VALID IS LOW FOR THE FIRST 20 LINES IN BOTH FIELDS (VERTICAL BLANKING INTERVALS).
VALID THE ODD FIELD IS SHOWN HERE; THE EVEN FIELD HAS BEEN OMITTED FOR CLARITY.
FIELD
INDEX EVEN FIELD ODD FIELD
146 147 148 149 150
69.84nS
(nominal)
29 nS
+/- 2 nS
27 nS
+/- 2 nS
Rise Time = 7nS
Fall Time = 7nS
20 nS
+/- 2 nS
000 000 000 PIXEL 1Video Data
Line Data
Valid
Pixel no.
Pixel Clk.
Figure 10-1: Camera Timing Diagram
54