參數(shù)資料
型號: ADV7188BSTZ
廠商: Analog Devices Inc
文件頁數(shù): 76/112頁
文件大?。?/td> 0K
描述: IC DECODER VID MULTIFORM 80LQFP
標準包裝: 1
類型: 視頻解碼器
應用: 機頂盒,視頻播放器,錄音機
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
供應商設備封裝: 80-LQFP(14x14)
包裝: 托盤
ADV7188
Rev. A | Page 66 of 112
05
47
8-
03
7
ACTIVE
VIDEO
VDP_CGMS_WSS_
DATA_1[5:0]
VDP_CGMS_WSS_DATA_2
RUN-IN
SEQUENCE
START
CODE
0
1
2
3
4
5
6
7
0
1
2
3
4
5
11.0s
38.4s
42.5s
Figure 39. WSS Waveform
05
47
8-
038
01
2
3
4
5
6
7
0
1
2
3
4
5
6
7
0
1
2
3
VDP_CGMS_WSS_DATA_1
VDP_CGMS_WSS_
DATA_0[3:0]
VDP_CGMS_WSS_DATA_2
REF
+100 IRE
+70 IRE
0 IRE
–40 IRE
11.2s
49.1s ± 0.5s
CRC SEQUENCE
2.235s ± 20ns
Figure 40. CGMS Waveform
0
REFERENCE COLOR BURST
(NINE CYCLES)
FREQUENCY = FSC = 3.579545MHz
AMPLITUDE = 40 IRE
1
SEVEN CYCLES
OF 0.5035MHz
(CLOCK RUN IN)
2 3 4 5 6 7 0 1 2 3 4 5 67
P
A
R
I
T
Y
S
T
A
R
T
P
A
R
I
T
Y
VDP_CCAP_D ATA_0
33.764s
10.003s
10.5 ± 0.25s
12.91s
27.382s
50 IRE
40 IRE
05
47
8-
03
9
VDP_CCAP_D ATA_1
Figure 41. CC Waveform and Decoded Data Correlation
Table 79. CGMS Readback Registers1
Address (User Sub Map)
Signal Name
Register Location
Dec
Hex
CGMS_WSS_DATA_0 [3:0]
VDP_CGMS_WSS_DATA_0 [3:0]
125d
0x7D
CGMS_WSS_DATA_1 [7:0]
VDP_CGMS_WSS_DATA_1 [7:0]
126d
0x7E
CGMS_WSS_DATA_2 [7:0]
VDP_CGMS_WSS_DATA_2 [7:0]
127d
0x7F
1 The register is a readback register; the default value does not apply.
Table 80. Closed Captioning Readback Registers1
Address (User Sub Map)
Signal Name
Register Location
Dec
Hex
CCAP_BYTE_1 [7:0]
VDP_CCAP_DATA_0 [7:0]
121d
0x79
CCAP_BYTE_2 [7:0]
VDP_CCAP_DATA_1 [7:0]
122d
0x7A
1 The register is a readback register; the default value does not apply.
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