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參數(shù)資料
| 型號： | ADV7189BKSTZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 41/104頁 |
| 文件大小： | 0K |
| 描述： | IC DECODER VIDEO W/ADC 80LQFP |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 視頻解碼器 |
| 應(yīng)用： | 機(jī)頂盒，視頻播放器，錄音機(jī) |
| 電壓 - 電源，模擬： | 3.15 V ~ 3.45 V |
| 電壓 - 電源，數(shù)字： | 1.65 V ~ 2 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 80-LQFP |
| 供應(yīng)商設(shè)備封裝： | 80-LQFP（14x14） |
| 包裝： | 托盤 |
| 產(chǎn)品目錄頁面： | 788 (CN2011-ZH PDF) |
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ADV7189B
Rev. B | Page 41 of 104
VS and FIELD Configuration
The following controls allow the user to configure the behav-
ior of the VS and FIELD output pins, as well as to generate
embedded AV codes:
ADV encoder-compatible signals via NEWAVMODE
PVS, PF
HVSTIM
VSBHO, VSBHE
VSEHO, VSEHE
For NTSC control:
NVBEGDELO, NVBEGDELE, NVBEGSIGN,
NVBEG[4:0]
NVENDDELO, NVENDDELE, NVENDSIGN,
NVEND[4:0]
NFTOGDELO, NFTOGDELE, NFTOGSIGN,
NFTOG[4:0]
For PAL control:
PVBEGDELO, PVBEGDELE, PVBEGSIGN,
PVBEG[4:0]
PVENDDELO, PVENDDELE, PVENDSIGN,
PVEND[4:0]
PFTOGDELO, PFTOGDELE, PFTOGSIGN,
PFTOG[4:0]
NEWAVMODE New AV Mode, Address 0x31[4]
When NEWAVMODE is 0, EAV/SAV codes are generated to
suit ADI encoders. No adjustments are possible.
Setting NEWAVMODE to 1 (default) enables the manual
position of the VSYNC, Field, and AV codes using
Registers 0x34 to 0x37 and Register 0xE5 to 0xEA. Default
register settings are CCIR656 compliant; see
207H
Figure 21 for NTSC
and
208H
Figure 26 for PAL. For recommended manual user settings,
see
209H
Table 56 and
210H
Figure 22 for NTSC; see
211H
Table 57 and
212H
Figure 27
for PAL.
HVSTIM Horizontal VS Timing, Address 0x31[3]
The HVSTIM bit allows the user to select where the VS signal
is being asserted within a line of video. Some interface circuitry
can require VS to go low while HS is low.
When HVSTIM is 0 (default) the start of the line is relative
to HSE.
When HVSTIM is 1, the start of the line is relative to HSB.
VSBHO VS Begin Horizontal Position Odd, Address 0x32[7]
The VSBHO and VSBHE 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.
When VSBHO is 0 (default), the VS pin goes high at the middle
of a line of video (odd field).
When VSBHO is 1, the VS pin changes state at the start of a line
(odd field).
VSBHE VS Begin Horizontal Position Even, Address 0x32[6]
The VSBHO and VSBHE 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.
When VSBHE is 0 (default), the VS pin goes high at the middle
of a line of video (even field).
When VSBHE is 1, the VS pin changes state at the start of a line
(even field).
VSEHO VS End Horizontal Position Odd, Address 0x33{7]
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.
When VSEHO is 0, the VS pin goes low (inactive) at the middle
of a line of video (odd field).
When VSEHO is 1 (default), the VS pin changes state at the
start of a line (odd field).
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.
When VSEHE is 0 (default), the VS pin goes low (inactive) at
the middle of a line of video (even field).
When VSEHE is 1, the VS pin changes state at the start of a line
(even field).
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.
When PF is 0 (default), FIELD is active high. When PF is 1,
FIELD is active low.
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| ADV7189BKSTZ10F | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat SDTV Video Decoder |
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| ADV7189BST | 制造商:Analog Devices 功能描述: |
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