CS4954-CQZ Cirrus Logic Inc, CS4954-CQZ Datasheet - Page 20

• Manufacturer Part Number: CS4954-CQZ
• Description: IC VIDEO ENCODER NTSC/PAL 48TQFP
• Manufacturer: Cirrus Logic Inc
• Type: Video Encoderr

Specifications of CS4954-CQZ

• Package / Case: 48-TQFP, 48-VQFP
• Voltage - Supply, Analog: 3.15 V ~ 5.25 V
• Voltage - Supply, Digital: 3.15 V ~ 5.25 V
• Mounting Type: Surface Mount
• Operating Supply Voltage: 3.3 V / 5 V
• Supply Current: 70 mA
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Number Of Channels: 2
• Resolution: 10 bit
• Snr: 70 dB
• Input Format: Digital
• Output Format: Analog
• Supply Voltage Range: 3.15V To 3.45V
• Operating Temperature Range: -40°C To +85°C
• Tv / Video Case Style: TQFP
• No. Of Pins: 48
• Tv / Video Type: Encoder
• Rohs Compliant: Yes
• Filter Terminals: SMD
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: CDB4955A - EVALUATION BOARD FOR CS4955A
• Applications: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1682

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