CDB4955A Cirrus Logic Inc, CDB4955A Datasheet - Page 20

• Manufacturer Part Number: CDB4955A
• Description: EVALUATION BOARD FOR CS4955A
• Manufacturer: Cirrus Logic Inc

Specifications of CDB4955A

• Main Purpose: Video, Video Processing
• Embedded: Yes, Other
• Utilized Ic / Part: CS4955
• Primary Attributes: NTSC/PAL Digital Video Encoder
• Secondary Attributes: Graphical User Interface, RS-232 Interface
• Operating Frequency: 27 MHz
• Interface Type: RS-232, Composite, RGB, S-Video
• Operating Supply Voltage: 3.3 V, 5 V
• Software: Software Included
• Silicon Manufacturer: Cirrus Logic
• Silicon Core Number: CS4955
• Kit Application Type: Audio / Video / TV
• Application Sub Type: Encoder / Decoder
• Kit Contents: Evaluation Board
• Rohs Compliant: No
• For Use With/related Products: CS4954
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

As mentioned above, there are no horizontal and
vertical timing signals necessary in ITU-R.BT656
mode. However in some cases it is advantageous to
output these timing signals for other purposes. By
20
620
620
620
620
308
308
308
308
621
621
621
621
309
309
309
309
Burst Phase = 135 degrees relative to U
622
622
622
622
310
310
310
310
623
623
623
623
311
311
311
311
624
624
624
624
Figure 8. PAL Video Interlaced Timing
312
312
312
312
625
625
625
625
VSYNC Drops
313
313
313
313
Field 2
Field 3
Field 4
Field 5
Field 6
Field 7
Field 8
Analog
Field 1
Analog
Analog
Analog
Analog
Analog
Analog
Analog
1
1
1
1
314
314
314
314
2
2
2
2
315
315
315
315
3
3
3
3
setting the 656_SYNC_OUT register bit in
CONTROL_6 register, HSYNC and VSYNC are
output,so that other devices in the system can syn-
chronize to these timing signals.
316
316
316
316
4
4
4
4
Burst Phase = 225 degrees relative to U
317
317
317
317
5
5
5
5
318
318
318
318
6
6
6
6
319
319
319
319
7
7
7
7
320
320
320
320
CS4954 CS4955
23
23
23
23
336
336
336
336
24
24
24
24
337
337
337
337
DS278F6