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CX25870 Datasheet

  • CX25870

  • Conexant Systems, Inc [Video Encoder with Adaptive Flicker ...

  • CONEXANT   CONEXANT

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1.0 Functional Description
1.3 Device Description
CX25870/871
Flicker-Free Video Encoder with Ultrascale Technology
Figure 1-17. Noninterlaced 262-Line (NTSC) Video Timing
START
of
VSYNC
261
262
1
2
3
4
5
FIELD 1
6
7
8
9
10
21
Burst Begins with Positive Half-Cycle
Burst Phase = Reference Phase = 180藲 Relative to B-Y
Burst Begins with Negative Half-Cycle
Burst Phase = Reference Phase = 180藲 Relative to B-Y
100381_012
Figure 1-18. Noninterlaced 262-Line (PAL-M) Video Timing
START
of
VSYNC
261
262
1
2
3
4
5
FIELD 1
6
7
8
9
10
11
12
21
Burst Begins with Positive Half-Cycle
Burst Phase = Reference Phase = 180藲 Relative to B-Y
Burst Begins with Negative Half-Cycle
Burst Phase = Reference Phase = 180藲 Relative to B-Y
100381_013
Figure 1-19. Noninterlaced 312-Line (PAL-B, D, G, H, I, N, Nc) Video Timing
RESET*
Start
of
VSYNC
308
309
310
311
312
1
2
3
4
5
6
7
23
24
Burst Phase = Reference Phase = 135藲 Relative to U
PAL Switch = 0, +V Component
Burst Phase = Reference Phase + 90藲 = 225藲 Relative to U
PAL Switch = 1, 鈥揤 Component
100381_014
1-50
Conexant
100381B

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CX25871

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