參數(shù)資料
型號: TVP5040CPFP
廠商: TEXAS INSTRUMENTS INC
元件分類: 顏色信號轉(zhuǎn)換
英文描述: COLOR SIGNAL DECODER, PQFP80
封裝: POWER, PLASTIC, TQFP-80
文件頁數(shù): 62/109頁
文件大小: 568K
代理商: TVP5040CPFP
2–40
2.9.1
Teletext Data Byte Order
The following table shows the order in which teletext data is read from the FIFO.
BYTE NUMBER
NABTS - 525 or 625 LINE SYSTEM
WST - 525 LINE SYSTEM
WST - 625 LINE SYSTEM
1
Video Line [7:0]
2
00, Hamming error, parity error, LPC error,
match #2, match #1, video line [8]
00, Hamming error, parity error, 0, match
#2, match #1, video line [8]
00, Hamming error, parity error, 0, match
#2, match #1, video line [8]
3
Packet address 1
Magazine
4
Packet address 2
Row address
5
Packet address 3
Data byte 1
6
Continuity index
Data byte 2
7
Packet structure
Data byte 3
8
Data block 1
Data byte 4
9
Data block 2
Data byte 5
10
Data block 3
Data byte 6
11
Data block 4
Data byte 7
12
Data block 5
Data byte 8
13
Data block 6
Data byte 9
14
Data block 7
Data byte 10
15
Data block 8
Data byte 11
16
Data block 9
Data byte 12
17
Data block 10
Data byte 13
18
Data block 11
Data byte 14
19
Data block 12
Data byte 15
20
Data block 13
Data byte 16
21
Data block 14
Data byte 17
22
Data block 15
Data byte 18
23
Data block 16
Data byte 19
24
Data block 17
Data byte 20
25
Data block 18
Data byte 21
26
Data block 19
Data byte 22
27
Data block 20
Data byte 23
28
Data block 21
Data byte 24
29
Data block 22
Data byte 25
30
Data block 23
Data byte 26
31
Data block 24
Data byte 27
32
Data block 25
Data byte 28
33
Data block 26
Data byte 29
34
Data block 27/suffix
Data byte 30
35
Data block 28/suffix
Data byte 31
36
Padding byte
Data byte 32
37
Data byte 33
38
Data byte 34
39
Data byte 35
40
Data byte 36
41
Data byte 37
42
Data byte 38
43
Data byte 39
44
Data byte 40
The padding byte is used to ensure an even number of writes. This byte does not contain any useful information. The read pointer automatically
advances past this byte so the user does not have to read the padding byte.
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