參數(shù)資料
型號(hào)： ADV7183BKSTZ
廠商： Analog Devices Inc
文件頁數(shù)： 7/100頁
文件大?。?/td> 0K
描述： IC VIDEO DECODER NTSC 80-LQFP
產(chǎn)品培訓(xùn)模塊： Interfacing AV Converters to Blackfin Processors
標(biāo)準(zhǔn)包裝： 1
類型： 視頻解碼器
應(yīng)用： 投影儀，錄音機(jī)，安全
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)
ADV7183B
Rev. B | Page 14 of 100
SET INSEL[3:0] TO
CONFIGURE ADV7183B TO
DECODE VIDEO FORMAT:
CVBS: 0000
YC: 0110
YPrPb: 1001
USE MANUAL INPUT MUXING
(ADC_SW_MAN_EN, ADC0_SW,
ADC1_SW, ADC2_SW)
SET INSEL[3:0] FOR REQUIRED
MUXING CONFIGURATION
CONNECTING
ANALOG SIGNALS
TO ADV7183B
ADI RECOMMENDED
INPUT MUXING; SEE TABLE 9
YES
NO
04997-007
Figure 7. Input Muxing Overview
Table 8. Input Channel Switching Using INSEL[3:0]
Description
INSEL[3:0]
Analog Input Pins
Video Format
0000 (default)
CVBS1 = AIN1
Composite
0001
CVBS2 = AIN2
Composite
0010
CVBS3 = AIN3
Composite
0011
CVBS4 = AIN4
Composite
0100
CVBS5 = AIN5
Composite
0101
CVBS6 = AIN6
Composite
0110
Y1 = AIN1
Y/C
C1 = AIN4
Y/C
0111
Y2 = AIN2
Y/C
C2 = AIN5
Y/C
1000
Y3 = AIN3
Y/C
C3 = AIN6
Y/C
1001
Y1 = AIN1
YPrPb
PB1 = AIN4
YPrPb
PR1 = AIN5
YPrPb
1010
Y2 = AIN2
YPrPb
PB2 = AIN3
YPrPb
PR2 = AIN6
YPrPb
1011
CVBS7 = AIN7
Composite
1100
CVBS8 = AIN8
Composite
1101
CVBS9 = AIN9
Composite
1110
CVBS10 = AIN10
Composite
1111
CVBS11 = AIN11
Composite
Table 9. Input Channel Assignments
Input
Channel
Pin
No.
ADI Recommended Input Muxing Control
INSEL[3:0]
AIN7
41
CVBS7
AIN1
42
CVBS1
Y/C1-Y
YPrPb1-Y
AIN8
43
CVBS8
AIN2
44
CVBS2
Y/C2-Y
YPrPb2-Y
AIN9
45
CVBS9
AIN3
46
CVBS3
Y/C3-Y
YPrPb2-Pb
AIN10
57
CVBS10
AIN4
58
CVBS4
Y/C1-C
YPrPb1-Pb
AIN11
59
CVBS11
AIN5
60
CVBS5
Y/C2-C
YPrPb1-Pr
AIN12
61
Not available
AIN6
62
CVBS6
Y/C3-C
YPrPb2-Pr
ADI recommended input muxing is designed to minimize
crosstalk between signal channels and to obtain the highest
level of signal integrity.
144H
Table 9 summarizes how the PCB layout
should connect analog video signals to the ADV7183B.
It is strongly recommended to connect any unused analog input
pins to AGND to act as a shield.
Inputs AIN7 to AIN11 should be connected to AGND when
only six input channels are used. This improves the quality of
the sampling due to better isolation between the channels.
AIN12 is not under the control of INSEL[3:0]. It can be routed
to ADC0/ADC1/ADC2 only by manual muxing. See
145H
Table 10
for details.
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