AD9898
HD
HBLK
(INTERNAL)
H12
(INTERNAL)
RG
H1
THE H2 POLARITY IS OPPOSITE THE POLARITY OF H1.
Figure 24. Selective H-Blanking Operation HBLKMASK = 0, HPULSECNT = 1, HBLKHPOS = 003
9-BIT
BL COUNTER
BLLEN
VD
HD
1
H1
2
CLPOB
1. POSITIONS 1, 2, 3, AND 4 ARE DELAYED BY THE VALUE OF THE BL COUNTER.
2. VSG1, VSG2, V1–V4, AND SUBCK PULSES ARE NOT DELAYED BY THE BL COUNTER.
Figure 25. VD, HD, and H1 Extended Blanking Operation HBLKEXT = 1
34
–28–
REV. 0