參數(shù)資料
型號: EVAL-ADV7180-32EBZ
廠商: Analog Devices Inc
文件頁數(shù): 64/116頁
文件大?。?/td> 0K
描述: BOARD EVAL FOR ADV7180
標(biāo)準(zhǔn)包裝: 1
系列: Advantiv®
主要目的: 視頻,SDTV 視頻解碼器 - NTSC,PAL,SECAM
嵌入式:
已用 IC / 零件: ADV7180
主要屬性: CVBS(復(fù)合),Y/C(S 視頻)和 YPrPb(元件)輸入
次要屬性: 8 位 ITU-R BT.656 YCrCb 4:2:2 輸出
已供物品:
Data Sheet
ADV7180
Rev. I | Page 51 of 116
NVEND[4:0], NTSC VSYNC End, Address 0xE6[4:0]
The default value of NVEND is 00100, indicating the NTSC
VSYNC end position.
For all NTSC/PAL VSYNC timing controls, both the V bit in
the AV code and the VSYNC signal on the VS pin are modified.
NFTOGDELO, NTSC FIELD Toggle Delay on Odd Field,
Address 0xE7[7]
When NFTOGDELO is 0 (default), there is no delay.
Setting NFTOGDELO to 1 delays the field toggle/transition on
an odd field by a line relative to NFTOG.
NFTOGDELE, NTSC Field Toggle Delay on Even Field,
Address 0xE7[6]
When NFTOGDELE is 0, there is no delay.
Setting NFTOGDELE to 1 (default) delays the field toggle/
transition on an even field by a line relative to NFTOG.
NFTOGSIGN, NTSC Field Toggle Sign, Address 0xE7[5]
Setting NFTOGSIGN to 0 delays the field transition. Set for
user manual programming.
Setting NFTOGSIGN to 1 (default) advances the field transition
(not recommended for user programming).
NFTOG[4:0], NTSC Field Toggle, Address 0xE7[4:0]
The default value of NFTOG is 00011, indicating the NTSC
field toggle position.
For all NTSC/PAL field timing controls, both the F bit in the
AV code and the field signal on the FIELD pin are modified.
ADVANCE TOGGLE OF
FIELD BY NFTOG[4:0]
DELAY TOGGLE OF
FIELD BY NFTOG[4:0]
NFTOGSIGN
ODD FIELD?
0
1
NO
YES
NFTOGDELE
ADDITIONAL
DELAY BY
1 LINE
1
0
NFTOGDELO
ADDITIONAL
DELAY BY
1 LINE
1
0
FIELD
TOGGLE
NOT VALID FOR USER
PROGRAMMING
05700-
033
Figure 42. NTSC FIELD Toggle
FIELD 1
OUTPUT
VIDEO
H
V
F
622
623
624
625
1
2
3
4
5
6
7
8
9
10
22
23
24
PVBEG[4:0] = 0x05
PVEND[4:0] = 0x04
PFTOG[4:0] = 0x03
FIELD 2
OUTPUT
VIDEO
H
V
F
PVBEG[4:0] = 0x05
PVEND[4:0] = 0x04
PFTOG[4:0] = 0x03
310
311
312
313
314
315
316
317
318
319
320
321
322
335
336
337
05700-
034
Figure 43. PAL Default, ITU-R BT.656 (the Polarity of H, V, and F Is Embedded in the Data)
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