參數(shù)資料
型號(hào)： ADV7184BSTZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 19/112頁(yè)
文件大?。?/td> 0K
描述： IC DECODER VID SDTV MULTI 80LQFP
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(pán)
ADV7184
Rev. A | Page 14 of 112
INSEL [3:0], Input Selection, Address 0x00 [3:0]
The INSEL bits allow the user to select the input channel and
format. Depending on the PCB connections, only a subset of
the INSEL modes is valid. INSEL [3:0] not only switches the
analog input muxing, but also configures ADV7184 to process
composite (CVBS), S-video (Y/C), or component (YPbPr/RGB)
format signals.
The recommended input muxing is designed to minimize
crosstalk between signal channels and to obtain the highest
level of signal integrity. Table 10 summarizes how the PCB
layout should connect analog video signals to the ADV7184.
It is strongly recommended that users connect any unused
analog input pins to AGND to act as a shield.
Connect the AIN7 to AIN11 inputs 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 controlled by INSEL [3:0]. It can be routed to
ADC0/ADC1/ADC2 only by manual muxing. See Table 11
for details.
Table 9. Input Channel Switching Using INSEL [3:0]
Description
INSEL
[3:0]
Analog Input Pins
Video Format
0000
(default)
CVBS1 = AIN1
B = AIN4 or AIN71
R = AIN5 or AIN81
G = AIN6 or AIN91
SCART (CVBS and R, G, B)
0001
CVBS2 = AIN2
B = AIN4 or AIN71
R = AIN5 or AIN81
G = AIN6 or AIN91
SCART (CVBS and R, G, B)
0010
CVBS3 = AIN3
B = AIN4 or AIN71
R = AIN5 or AIN81
G = AIN6 or AIN91
SCART (CVBS and R, G, B)
0011
CVBS4 = AIN4
B = AIN7
R = AIN8
G = AIN9
SCART (CVBS and R, G, B)
0100
CVBS1 = AIN5
B = AIN7
R = AIN8
G = AIN9
SCART (CVBS and R, G, B)
0101
CVBS1 = AIN6
B = AIN7
R = AIN8
G = AIN9
SCART (CVBS and R, G, B)
0110
Y1 = AIN1
C1 = AIN4
Y/C
0111
Y2 = AIN2
C2 = AIN5
Y/C
1000
Y3 = AIN3
C3 = AIN6
Y/C
1001
Y1 = AIN1
PB1 = AIN4
PR1 = AIN5
YPrPb
1010
Y2 = AIN2
PB2 = AIN3
PR2 = AIN6
YPrPb
1011
CVBS7 = AIN7
B = AIN4
R = AIN5
G = AIN6
SCART (CVBS and R, G, B)
1100
CVBS8 = AIN8
B = AIN4
R = AIN5
G = AIN6
SCART (CVBS and R, G, B)
1101
CVBS9 = AIN9
B = AIN4
R = AIN5
G = AIN6
SCART (CVBS and R, G, B)
1110
CVBS10 = AIN10
B = AIN4 or AIN71
R = AIN5 or AIN81
G = AIN6 or AIN91
SCART (CVBS and R, G, B)
1111
CVBS11 = AIN11
B = AIN4 or AIN71
R = AIN5 or AIN81
G = AIN6 or AIN91
SCART (CVBS and R, G, B)
1 Selectable via RGB_IP_SEL.
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