MSM7654 Datasheet, PDF (32/53 Pages) OKI electronic componets – NTSC/PAL Digital Video Encoder

¡ Semiconductor
MSM7654
NTSC/PAL OUTPUT TIMING
The output timing conforms to the ITU-R BT.624-4 standard.
Shown below are the output waveforms of composite signals with the interlaced or non-
interlaced scanning method in the NTSC or PAL operation mode.
NTSC (Interlaced)
Field 1
Reference subcarrier phase
NEGATIVE HALF CYCLE
POSITIVE HALF CYCLE
Burst relative –180° to B-Y axis Burst relative 180° to B-Y axis
259 260 261 262 263 1
2
3
4
5
6
7
8
A
B
C
D
E
Field 2
Reference subcarrier phase
17 18 19
259 260 261 262 263 1
2
3
4
5
6
7
8
A
B
C
D
E
Field 3
Reference subcarrier phase
17 18 19
259 260 261 262 263 1
2
3
4
5
6
7
8
A
B
C
D
E
Field 4
Reference subcarrier phase
17 18 19
259 260 261 262 263 1
2
3
4
5
6
7
8
A
B
C
D
E
Output timing (Interlaced NTSC)
17 18 19
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