Functional description
Figure 5. Input data format (ITU-R656/D1 4:2:2)
STw8009/STw8019
0H
4T
E
A
V
NTSC, PAL M
128T
137T
146T (PAL M)
PAL B, G, H, I, N
SECAM
128T
151T (145T in SECAM)
Square pixel
525 / 60 system
Square pixel
625 / 50 system
115T
131T
139T
169T
4T
S
E
A
A
V
V
1716T
1440T
Digital active line
1728T
1440T
Digital active line
1560T
1280T
Digital active line
1888T
1536T
Digital active line
T = clock period
PAL, NTSC: 37.037 ns
Note:
The burst envelope shown here indicates the location from which the first subcarrier positive
zero crossing is sought (with respect to the 0H reference). The normal burst always starts
with such a positive zero crossing.
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