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參數(shù)資料
| 型號： | SAA5291AH |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Economy teletext and TV microcontrollers |
| 中文描述： | 經濟圖文電視和電視微控制器 |
| 文件頁數(shù)： | 34/68頁 |
| 文件大小： | 612K |
| 代理商： | SAA5291AH |
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1997 Jul 07
34
Philips Semiconductors
Preliminary specification
Economy teletext and TV microcontrollers
SAA5x9x family
8.8
Memory Organisation of SAA5290, SAA5291, SAA5291A and SAA5491
Teletext packets each contain 40 bytes of data and one packet is stored in each row of the text memory, the row used
being dependent on the packet number.
Packet 0, the page header, is split into 2 parts when it is written into the text memory. The first 8 bytes of the header
contain control and addressing information. They are Hamming decoded and written into columns 0 to 7 of row 25.
handbook, full pagewidth
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
6
7 8
9
0
23
39
Packet X/0
Packet X/1
Packet X/2
Packet X/3
Packet X/4
Packet X/5
Packet X/6
Packet X/7
Packet X/8
Packet X/9
Packet X/10
Packet X/11
Packet X/12
Packet X/13
Packet X/14
Packet X/15
Packet X/16
Packet X/17
Packet X/18
Packet X/19
Packet X/20
Packet X/21
Packet X/22
Packet X/23
Packet X/24
(1)
VPS Data
Basic Page Block
OSD only
MGK467
Control Data
aw/ag
Row 0
1
2
Packet X/24
(2)
Packet X/27/0
Packet 8/30
Extension Packet Memory
Fig.10 Packet storage locations.
(1) If X24 Position bit = 1.
(2) If X24 Position bit = 0.
相關PDF資料 |
PDF描述 |
|---|---|
| SAA5291H | Economy teletext and TV microcontrollers |
| SAA5296 | Economy teletext and TV microcontrollers |
| SAA5296A | Economy teletext and TV microcontrollers |
| SAA5296AH | Economy teletext and TV microcontrollers |
| SAA5296H | Economy teletext and TV microcontrollers |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| SAA5291APS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
| SAA5291H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
| SAA5291PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
| SAA5296 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
| SAA5296A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
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