cx25870 Conexant Systems, Inc., cx25870 Datasheet - Page 67

• Manufacturer Part Number: cx25870
• Description: Video Encoder With Adaptive Flicker Filtering And Hdtv Output
• Manufacturer: Conexant Systems, Inc.

Figure 1-20. Interlaced 625-Line (SECAM-B, D, G, K, K1, L, M) Video Timing (Fields 1-4)
CX25870/871
Flicker-Free Video Encoder with Ultrascale Technology
100381B
NOTE(S):
1. D
2. D
3. D
End of the preceding
4-field sequence
621
621 622 623 624 625 1
R
R
B
309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336
309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336
and D
color subcarrier frequency is 4.406250 MHz.
color subcarrier frequency is 4.250000 MHz.
D
622 623 624 625 1
D
R
D
B
D
D
B
R
B
R
color subcarrier signal sequences over four consecutive fields shown above.
VSYNC
Start of
RESET*
2
2
Analog
FIELD 1
Analog
FIELD 2
Analog
FIELD 3
Analog
FIELD 4
3
3
4
4
5
5
6
6
7
7
D
R
D
D
D
R
B
D
8
8
B
D
D
Conexant
R
B
R
9
9
10 11 12 13
10 11 12 13
14
14
15
15
16 17 18 19
16 17 18 19
1.0 Functional Description
20 21 22 23
20 21 22 23
1.3 Device Description
D
D
B
R
D
D
100381_091
B
R
1-51