msm7654 Oki Semiconductor, msm7654 Datasheet - Page 32

• Manufacturer Part Number: msm7654
• Description: Ntsc/pal Digital Video Encoder
• Manufacturer: Oki Semiconductor

¡ Semiconductor
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
Field 2
Field 3
Field 4
259
259
259
259
260
260
260
260
Reference subcarrier phase
Reference subcarrier phase
Reference subcarrier phase
Reference subcarrier phase
261
261
261
261
A
A
A
A
262 263
262 263
262 263
262 263
Output timing (Interlaced NTSC)
1
1
1
1
NEGATIVE HALF CYCLE
Burst relative –180° to B-Y axis
D
D
D
D
2
B
2
B
2
B
2
B
3
3
3
3
4
E
4
E
4
E
4
E
5
C
5
C
5
C
5
C
6
6
6
6
POSITIVE HALF CYCLE
Burst relative 180° to B-Y axis
7
7
7
7
8
8
8
8
17
17
17
17
18
18
18
18
MSM7654
19
19
19
19
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