ADV7181BCP Analog Devices Inc, ADV7181BCP Datasheet - Page 43

• Manufacturer Part Number: ADV7181BCP
• Description: IC VIDEO DECODER NTSC 64-LFCSP
• Manufacturer: Analog Devices Inc
• Type: Video Decoderr

Specifications of ADV7181BCP

• Applications: Recorders, Set-Top Boxes
• Voltage - Supply, Analog: 3.15 V ~ 3.45 V
• Voltage - Supply, Digital: 1.65 V ~ 2 V
• Mounting Type: Surface Mount
• Package / Case: 64-LFCSP
• Adc/dac Resolution: 9b
• Screening Level: Industrial
• Package Type: LFCSP EP
• Pin Count: 64
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: EVAL-ADV7181BEB - BOARD EVALUATION FOR ADV7181
• Lead Free Status / RoHS Status: Compliant, Contains lead / RoHS non-compliant

VSEHE VS End Horizontal Position Even,
Address 0x33 [6]
The VSEHO and VSEHE bits select the position within a line at
which the VS pin (not the bit in the AV code) becomes active.
Some follow-on chips require the VS pin to change state only
when HS is high/low.
Table 105. VSEHE Function
VSEHE
0
(default)
1
OUTPUT
OUTPUT
VIDEO
VIDEO
H
V
H
V
F
F
*APPLIES IF NEMAVMODE = 0.
MUST BE MANUALLY SHIFTED IF NEWAVMODE = 1.
262
Description
VS pin goes low (inactive) at the middle of a line of
video (even field).
VS pin changes state at the start of a line (even field).
NVBEG[4:0] = 0x5
525
NVBEG[4:0] = 0x5
263
1
264
2
NFTOG[4:0] = 0x3
265
Figure 20. NTSC Default (BT.656). The polarity of H, V, and F is embedded in the data.
NFTOG[4:0] = 0x3
3
266
FIELD 1
FIELD 2
4
267
5
268
6
269
Rev. B | Page 43 of 104
7
270
8
PVS Polarity VS, Address 0x37 [5]
The polarity of the VS pin can be inverted using the PVS bit.
Table 106. PVS Function
PVS
0 (default)
1
PF Polarity FIELD, Address 0x37 [3]
The polarity of the FIELD pin can be inverted using the PF bit.
Table 107. PF Function
PF
0 (default)
1
271
NVEND[4:0] = 0x4
9
NVEND[4:0] = 0x4
272
10
273
Description
FIELD active high.
FIELD active low.
Description
VS active high.
VS active low.
11
274
12
275
13
276
*BT.656-4
REG 0x04. BIT 7 = 1
19
*BT.656-4
REG 0x04. BIT 7 = 1
283
20
284
21
ADV7181
285
22