
AD9927
Rev. 0 | Page 29 of 100
REGIREGREGION 0: USE V-SEQUENCE 3
REGION 1: USE V-SEQUENCE 2
REGION 2: USE V-SEQUENCE 1
REGIREGION 0: USE V-SEQUENCE 3
REGION 2: USE V-SEQUENCE 1
REGION 0: USE V-SEQUENCE 2
REGION 3: USE V-SEQUENCE 0
REGION 4: USE V-SEQUENCE 2
XV1
XV2
XV23
XV24
XV1
XV2
XV3
FIELD 0
FIELD1
FIELD2
FIELD0
FIELD1
FIELD2
FIELD3
FIELD4
FIELD5
FIELD1
FIELD4
FIELD2
XV3
XV23
XV24
VPAT0
XV1
XV2
XV23
XV24
XV3
XV1
XV2
XV23
XV24
XV3
XV1
XV2
XV23
XV24
XV3
VPAT1
1
2
3
4
CREATE THE VERTICAL PATTERN GROUPS,
UP TO FOUR TOGGLE POSITIONS FOR EACH OUTPUT.
BUILD THE V-SEQUENCES BY ADDING START POLARITY,
LINE START POSITION, NUMBER OF REPEATS, ALTERNATION,
GROUP A/B/C/D INFORMATION, AND HBLK/CLPOB PULSES.
V-SEQUENCE 0
(VPAT0, 1 REP)
V-SEQUENCE 1
(VPAT1, 2 REP)
V-SEQUENCE 2
(VPAT1, N REP)
BUILD EACH FIELD BY DIVIDING INTO DIFFERENT REGIONS
AND ASSIGNING A DIFFERENT V-SEQUENCE TO EACH
(MAXIMUM OF NINE REGIONS IN EACH FIELD).
USE THE MODE REGISTERS TO CONTROL WHICH FIELDS
ARE USED, AND IN WHAT ORDER (MAXIMUM OF SEVEN
FIELDS MAY BE COMBINED IN ANY ORDER).
0
Figure 34. Summary of Vertical Timing Generation