參數(shù)資料
型號: ADV7188BSTZ
廠商: Analog Devices Inc
文件頁數(shù): 68/112頁
文件大小: 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(shè)備封裝: 80-LQFP(14x14)
包裝: 托盤
ADV7188
Rev. A | Page 59 of 112
Table 74. Framing Code Sequence for Different VBI Standards
VBI Standard
Length in Bits
Error-Free Framing Code Bits
(In Order of Transmission )
Error-Free Framing Code Reported by
VDP (In Reverse Order of Transmission )
TTXT_SYSTEM_A (PAL)
8
11100111
TTXT_SYSTEM_B (PAL)
8
11100100
00100111
TTXT_SYSTEM_B (NTSC)
8
11100100
00100111
TTXT_SYSTEM_C (PAL and NTSC)
8
11100111
TTXT_SYSTEM_D (PAL and NTSC)
8
11100101
10100111
VPS (PAL)
16
10001010100011001
1001100101010001
VITC (NTSC and PAL)
1
0
WSS (PAL)
24
000111100011110000011111
111110000011110001111000
Gemstar 1× (NTSC)
3
001
100
Gemstar 2× (NTSC)
11
1001 1011 101
101 1101 1001
CC (NTSC and PAL)
3
001
100
CGMS (NTSC)
1
0
Table 75. Total User Data-Words for Different VBI Standards1
VBI Standard
ADF Mode
Framing Code
UDWs
VBI Data-
Words
Number of
Padding Words
Total UDWs
00 (nibble mode)
6
74
0
84
TTXT_SYSTEM_A (PAL)
01, 10 (byte mode)
3
37
0
44
00 (nibble mode)
6
84
2
96
TTXT_SYSTEM_B (PAL)
01, 10 (byte mode)
3
42
3
52
00 (nibble mode)
6
68
2
80
TTXT_SYSTEM_B (NTSC)
01, 10 (byte mode)
3
34
3
44
00 (nibble mode)
6
66
0
76
TTXT_SYSTEM_C (PAL and NTSC)
01, 10 (byte mode)
3
33
2
42
00 (nibble mode)
6
68
2
80
TTXT_SYSTEM_D (PAL and NTSC)
01, 10 (byte mode)
3
34
3
44
00 (nibble mode)
6
26
0
36
VPS (PAL)
01, 10 (byte mode)
3
13
0
20
00 (nibble mode)
6
18
0
28
VITC (NTSC and PAL)
01, 10 (byte mode)
3
9
0
16
00 (nibble mode)
6
4
2
16
WSS (PAL)
01, 10 (byte mode)
3
2
3
12
00 (nibble mode)
6
4
2
16
Gemstar 1× (NTSC)
01, 10 (byte mode)
3
2
3
12
00 (nibble mode)
6
8
2
20
Gemstar 2× (NTSC)
01, 10 (byte mode)
3
4
1
12
00 (nibble mode)
6
4
2
16
CC (NTSC and PAL)
01, 10 (byte mode)
3
2
3
12
00 (nibble mode)
6
0
16
CGMS (NTSC)
01, 10 (byte mode)
3
3 + 3
2
12
1 The first four UDWs are always the identification word.
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