參數(shù)資料
型號： ADV7180
廠商： Analog Devices, Inc.
英文描述： 10-Bit, 4 x Oversampling SDTV Video Decoder
中文描述： 10位，4個采樣標清視頻解碼器
文件頁數(shù)： 45/112頁
文件大小： 1320K
代理商： ADV7180
ADV7180
PVS, Polarity VS, Address 0x37 [5]
The polarity of the VS pin can be inverted using the PVS bit.
When PVS is 0 (default), VS is active high.
When PVS is 1, VS is active low.
PF, Polarity FIELD, Address 0x37 [3]
The polarity of the FIELD pin can be inverted using the PF bit.
The FIELD pin can be inverted using the PF bit.
When PF is 0 (default), FIELD is active high.
When PF is 1, FIELD is active low.
Rev. A | Page 45 of 112
Table 61. User Settings for NTSC (See Figure 34)
Register
Register Name
0x31
VS/FIELD Control 1
0x32
VS/FIELD Control 2
0x33
VS/FIELD Control 3
0x34
HS Position Control 1
0x35
HS Position Control 2
0x36
HS Position Control 3
0x37
Polarity
0xE5
NTSV V Bit Begin
0xE6
NTSC V Bit End
0xE7
NTSC F Bit Toggle
Write
0x1A
0x81
0x84
0x00
0x00
0x7D
0xA1
0x41
0x84
0x06
OUTPUT
VIDEO
FIELD 1
FIELD 2
H
V
F
OUTPUT
VIDEO
H
V
F
525
1
2
3
4
5
6
7
8
9
10
11
12
13
19
20
21
22
NVBEG[4:0] = 0x5
NVBEG[4:0] = 0x5
NVEND[4:0] = 0x4
NVEND[4:0] = 0x4
NFTOG[4:0] = 0x3
NFTOG[4:0] = 0x3
1
BT.656-4
REG 0x04, BIT 7 = 1
1
BT.656-4
REG 0x04, BIT 7 = 1
1
APPLIES IF NEWAVMODE = 0:
MUST BE MANUALLY SHIFTED IF NEWAVMODE = 1.
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
283
284
285
0
Figure 33. NTSC Default, ITU-R BT.656 (the Polarity of H, V, and F is Embedded in the Data)
FIELD 1
NVBEG[4:0] = 0x0
NVEND[4:0] = 0x3
OUTPUT
VIDEO
FIELD
OUTPUT
HS
OUTPUT
NFTOG[4:0] = 0x5
VS
OUTPUT
525
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
21
22
FIELD 2
OUTPUT
VIDEO
FIELD
OUTPUT
HS
OUTPUT
VS
OUTPUT
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
284
285
NVBEG[4:0] = 0x0
NVEND[4:0] = 0x3
NFTOG[4:0] = 0x5
Table 61
0
Figure 34. NTSC Typical VSYNC/FIELD Positions Using Register Writes in
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