參數(shù)資料
型號(hào): ADV7183ABST
廠商: ANALOG DEVICES INC
元件分類(lèi): 顏色信號(hào)轉(zhuǎn)換
英文描述: Multiformat SDTV Video Decoder
中文描述: COLOR SIGNAL DECODER, PQFP80
封裝: LEAD FREE, MS-026-BEC, LQFP-80
文件頁(yè)數(shù): 45/104頁(yè)
文件大?。?/td> 894K
代理商: ADV7183ABST
ADV7183A
VSEHE VS End Horizontal Position Even (SDP),
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) goes active. Some
follow-on chips require the VS pin to only change state when
HS is high/low.
Table 107. VSEHE Function
VSEHE
Description
0*
VS pin goes low (inactive) at the middle of a line of
video (even field).
1
VS pin changes state at the start of a line (even field).
*Default value.
Rev. A | Page 45 of 104
PVS Polarity VS (SDP), Address 0x37, [5]
The polarity of the VS pin as it comes from the SDP block can
be inverted using the PVS bit.
Table 108. PVS Function
PVS
Description
0*
VS active high.
1
VS active low.
*Default value.
PF Polarity FIELD (SDP), Address 0x37, [3]
The polarity of the FIELD pin as it comes from the SDP block
can be inverted using the PF bit.
Table 109. PF Function
PF
Description
0*
FIELD active high.
1
FIELD active low.
*Default value.
0
OVIDEO
FIELD 1
FIELD 2
H
V
F
OVIDEO
H
V
F
525
1
2
3
4
5
6
7
8
9
10
11
12
13
19
20
21
22
NVBEG[4:0] = 5h
NVBEG[4:0] = 5h
NVEND[4:0] = 4h
NVEND[4:0] = 4h
NFTOG[4:0] = 3h
NFTOG[4:0] = 3h
*REG 04h. BIT 7 = 1
*REG 04h. BIT 7 = 1
*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
Figure 21. NTSC Default (BT.656). The polarity of H, V, and F is embedded in the data.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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