參數(shù)資料
型號: TDA936X
廠商: NXP Semiconductors N.V.
英文描述: TV signal processor-Teletext decoder with embedded m-Controller
中文描述: 電視信號處理器與嵌入式米圖文電視解碼器控制器
文件頁數(shù): 56/140頁
文件大?。?/td> 570K
代理商: TDA936X
Philips Semiconductors
Preliminary specification
1999 Sep 28
56
TV signal processor-Teletext decoder with
embedded
μ
-Controller
TDA 935X/6X/8X series
In 525 line text each packet 26 only contains ten 24/18 Hamming encoded data triplets, rather than the 13 found
in 625 line text. The tabulation bit is used as an extra bit (the MSB) of the designation code, allowing 32 packet
26s to be transmitted for each page. The last byte of each packet 26 is ignored.
Figure 24 Teletext Packet Storage for 525WST
Packet X/0/0
α
w
Packet X/0/1
Packet X/0/2
Packet X/0/3
Packet X/0/4
Packet X/0/5
Packet X/0/6
Packet X/0/7
Packet X/0/8
Packet X/0/9
Packet X/0/10
Packet X/0/11
Packet X/0/12
Packet X/0/13
Packet X/0/14
Packet X/0/15
Packet X/0/16
Packet X/0/17
Packet X/0/18
Packet X/0/19
Packet X/0/20
Packet X/0/21
Packet X/0/22
Packet X/0/23
Packet X/0/24
Row 0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
0
OSD only
6
7
8
39
0
9
23
Control Data
g
if ‘X24 Posn’ bit = 1
Rolling Time
Packet X/1/1
Packet X/1/8
Packet X/1/12
Packet X/1/16
Packet X/1/20
Packet X/1/4
Packet X/1/24
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