參數(shù)資料
型號(hào)： ADV7189BBSTZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 11/104頁(yè)
文件大小： 0K
描述： IC VIDEO DECODER SDTV 80-LQFP
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
ADV7189B
Rev. B | Page 14 of 104
04983-0-007
SET INSEL[3:0] TO
CONFIGURE ADV7189B 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 ADV7189
ADI-RECOMMENDED
INPUT MUXING; SEE TABLE 9
YES
NO
Figure 7. Input Muxing Overview
Table 8. Input Channel Switching Using INSEL[3:0]
Description
INSEL[3:0]
Analog Input Pins
Video Format
0000
CVBS1 = AIN1 (default)
Composite
0001
CVBS2 = AIN2
Composite
0010
CVBS3 = AIN3
Composite
0011
CVBS4 = AIN4
Composite
0100
CVBS5 = AIN5
Composite
0101
CVBS6 = AIN6
Composite
0110
Y1 = AIN1
YC
C1 = AIN4
YC
0111
Y2 = AIN2
YC
C2 = AIN5
YC
1000
Y3 = AIN3
YC
C3 = AIN6
YC
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
YC1-Y
YPrPb1-Y
AIN8
43
CVBS8
AIN2
44
CVBS2
YC2-Y
YPrPb2-Y
AIN9
45
CVBS9
AIN3
46
CVBS3
YC3-Y
YPrPb2-Pb
AIN10
57
CVBS10
AIN4
58
CVBS4
YC1-C
YPrPb1-Pb
AIN11
59
CVBS11
AIN5
60
CVBS5
YC2-C
YPrPb1-Pr
AIN12
61
Not Available
AIN6
62
CVBS6
YC3-C
YPrPb2-Pr
ADI-recommended input muxing is designed to minimize
crosstalk between signal channels and to obtain the highest
level of signal integrity.
143H
Table 9 summarizes how the PCB lay-
out should connect analog video signals to the ADV7189B.
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 channels.
AIN12 is not under the control of INSEL[3:0]. It can only be
routed to ADC0/ADC1/ADC2 by manual muxing. See
144H
Table 10
for further details.
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