參數(shù)資料
型號(hào)： ADV7189BKSTZ10F
廠商： Analog Devices, Inc.
英文描述： Multiformat SDTV Video Decoder
中文描述： 標(biāo)清多格式視頻解碼器
文件頁(yè)數(shù)： 50/104頁(yè)
文件大小： 805K
代理商： ADV7189BKSTZ10F
ADV7189B
Rev. B | Page 50 of 104
CGMS Data Registers
CGMS1[7:0], Address 0x96[7:0],
CGMS2[7:0], Address 0x97[7:0],
CGMS3[7:0], Address 0x98[7:0]
219H
Figure 33 shows the bit correspondence between the analog
video waveform and the CGMS1/CGMS2/CGMS3 registers.
CGMS3[7:4] are undetermined and should be masked out
by software.
Closed Caption Data Registers
CCAP1[7:0], Address 0x99[7:0],
CCAP2[7:0], Address 0x9A[7:0]
220H
Figure 34 shows the bit correspondence between the analog
video waveform and the CCAP1/CCAP2 registers. CCAP1[7]
contains the parity bit from the first word. CCAP2[7] contains
the parity bit from the second word. Refer to the GDECAD
Gemstar Decode Ancillary Data Format, Address 0x4C[0]
section.
0
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
CGMS2[7:0]
CGMS3[3:0]
CGMS1[7:0]
REF
+100 IRE
+70 IRE
0 IRE
–40 IRE
11.2
μ
s
49.1
μ
s
±
0.5
μ
s
CRC SEQUENCE
2.235
μ
s
±
20ns
Figure 33. CGMS Data Extraction
Table 60. CGMS Access Information
Signal Name
CGMS1[7:0]
CGMS2[7:0]
CGMS3[3:0]
Register Location
CGMS 1[7:0]
CGMS 2[7:0]
CGMS 3[3:0]
Address
Register Default Value
Readback Only
Readback Only
Readback Only
150d
151d
152d
0x96
0x97
0x98
0
REFERENCE COLOR BURST
(9 CYCLES)
FREQUENCY = F
= 3.579545MHz
AMPLITUDE = 40 IRE
10.003
μ
s
1
CCAP1[7:0]
(O7 CYCLES
CCAP2[7:0]
2 3 4 5 6 7 0 1 2 3 4 5 6 7
P
A
R
I
T
Y
S
T
A
R
T
P
A
R
I
T
Y
BYTE 1
BYTE 0
33.764
μ
s
10.5
±
0.25
μ
s
12.91
μ
s
27.382
μ
s
50 IRE
40 IRE
0
Figure 34. Closed-Caption Data Extraction
Table 61. CCAP Access Information
Signal Name
CCAP1[7:0]
CCAP2[7:0]
Register Location
CCAP 1[7:0]
CCAP 2[7:0]
Address
Register Default Value
Readback Only
Readback Only
153d
154d
0x99
0x9A
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADV7189BKSTZ10F2 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat SDTV Video Decoder
ADV7189BST 制造商:Analog Devices 功能描述:
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ADV7189XST-X2 制造商:Analog Devices 功能描述:54MHZ NTSC/PAL ENCODER(DNR+MACROVISON)IC - Bulk
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