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參數(shù)資料
| 型號： | SAA5290PS |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Economy teletext and TV microcontrollers |
| 中文描述： | 經(jīng)濟(jì)圖文電視和電視微控制器 |
| 文件頁數(shù)： | 21/33頁 |
| 文件大?。?/td> | 360K |
| 代理商： | SAA5290PS |
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February 1995
21
Philips Semiconductors
Preliminary specification
One page Economy Teletext/TV
microcontroller
SAA5290
TXT5 - Teletext register 5 (WRITE only)
BKGND OUT
BKGND IN
COR OUT
COR IN
TEXT OUT
TEXT IN
PICTURE ON OUT
PICTURE ON IN
Background colour displayed outside teletext boxes (logic 1).
Background colour displayed inside teletext boxes (logic 1).
COR output active outside teletext boxes (logic 1).
COR output active inside teletext boxes (logic 1).
Text displayed outside teletext boxes (logic 1).
Text displayed inside teletext boxes (logic 1).
Video picture displayed outside teletext boxes (logic 1).
Video picture displayed inside teletext boxes (logic 1).
TXT6 - Teletext register 6 (WRITE only)
This register has the same meaning as TXT5 but is only invoked if either newsflash (C5) or the
subtitle (C6) bit in Row 25 of the basic page memory is set.
TXT7 - Teletext register 7 (WRITE only)
STATUS ROW TOP
CURSOR ON
CONCEAL/REVEAL
TOP/BOTTOM
SNG/DBL HEIGHT
BOX ON 24
BOX ON 1-23
BOX ON 0
Display Row 24 below (logic 0) or above (logic 1) teletext page.
Display cursor at location pointed to by TXT9 and TXT10 (logic 1).
Display characters in areas with the conceal attribute set (logic 1).
Display Rows 0 to 11 (logic 0) or 12 to 23 (logic 1) when the double height bit is set.
Display each character at twice normal height (logic 1).
Enable teletext boxes in memory Row 24 (logic 1).
Enable teletext boxes in memory Rows 1 to 23 (logic 1).
Enable teletext boxes in memory Row 0 (logic 1).
TXT8 - Teletext register 8 (WRITE only)
CVBS0/CVBS1
CVBS0 input (logic 0) or CVBS1 (logic 1) inputs used for teletext.
TXT9 - Teletext register 9 (WRITE only)
CLEAR MEMORY
A0
R0 to R4
Write 20H into every location in teletext memory (logic 1).
Access basic page memory (logic 0) or extension packet memory (logic 1) with TXT11 SFR.
Memory row to be accessed with TXT11 SFR.
TXT10 - Teletext register 10 (WRITE only)
C0 to C5
Memory column to be accessed with TXT11 SFR.
TXT11 - Teletext register 11
D0 to D7
data byte written to, or read from, teletext memory.
REGISTER
FUNCTION
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA5290ZP | One page Economy Teletext/TV microcontroller |
| SAA5291PS | Economy teletext and TV microcontrollers(經(jīng)濟(jì)的圖文電視和TV控制器) |
| SAA5296APS | Economy teletext and TV microcontrollers(經(jīng)濟(jì)的圖文電視和TV控制器) |
| SAA5296PS | Economy teletext and TV microcontrollers(經(jīng)濟(jì)的圖文電視和TV控制器) |
| SAA5355 | Single-chip colour CRT controller FTFROM |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA5290ZP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:One page Economy Teletext/TV microcontroller |
| SAA5290ZP/NV | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:One page Economy Teletext/TV microcontroller |
| SAA5291 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
| SAA5291A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
| SAA5291AH | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
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