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參數(shù)資料
| 型號： | SAA5531PS |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Enhanced TV microcontrollers with On-Screen Display OSD |
| 中文描述： | 與微控制器在強(qiáng)化電視屏幕顯示OSD |
| 文件頁數(shù)： | 68/100頁 |
| 文件大?。?/td> | 371K |
| 代理商： | SAA5531PS |
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2000 Feb 23
68
Philips Semiconductors
Preliminary specification
Enhanced TV microcontrollers with
On-Screen Display (OSD)
SAA55xx
19.6
Screen colour
Screen colour is displayed from 10.5 to 62.5 ms after the
active edge of the HSYNC input and on TV lines 23 to 310
inclusive, for a 625-line display, and lines 17 to 260
inclusive for a 525-line display.
CC:
The screen colour is defined by the MMR Display
Control and points to a location in the CLUT table.
The screen colour covers the full video width. It is visible
when the Full Text or Mixed Screen Colour mode is set
and no foreground or background pixels are being
displayed.
TXT:
The register bits TXT17.SCREEN COL<2:0> can be
used to define a colour to be displayed in place of
TV picture and the black background colour. If the bits are
all set to zero, the screen colour is defined as ‘transparent’
and TV picture and background colour are displayed as
normal. Otherwise the bits define CLUT entries 9 to 15.
19.7
Text display controls
19.7.1
T
EXT DISPLAY CONFIGURATION
(CC
MODE
)
Twotypesofareasarepossible.Theoneareaisstaticand
the other is dynamic. The dynamic area allows scrolling of
a region to take place. The areas cannot cross each other.
Only one scroll region is possible.
19.7.2
D
ISPLAY MAP
The display map allows a flexible allocation of data in the
memory to individual rows.
Sixteen words are provided in the display memory for this
purpose. The lower 10 bits address the first word in the
memory where the row data starts. This value is an offset
in terms of 16-bit words from the start of Display memory
(8000H).Themostsignificantbitenablesthedisplaywhen
not within the scroll (dynamic) area.
The display map memory is fixed at the first 16 words in
the closed caption display memory.
Table 25
Display map bit allocation
BIT
FUNCTION
11
Text display enable, valid outside Soft Scroll
Area. 0 = disable; 1 = enable.
This bit is reserved, should be set to logic 0.
Pointer to row data.
10
9 to 0
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| SAA5532PS | Enhanced TV microcontrollers with On-Screen Display OSD |
| SAA5533 | Enhanced TV microcontrollers with On-Screen Display OSD |
| SAA5533PS | Enhanced TV microcontrollers with On-Screen Display OSD |
| SAA5561PS | Enhanced TV microcontrollers with On-Screen Display (OSD)(帶全屏顯示的增強(qiáng)型TV控制器) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA5532 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Enhanced TV microcontrollers with On-Screen Display OSD |
| SAA5532PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Enhanced TV microcontrollers with On-Screen Display OSD |
| SAA5533 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Enhanced TV microcontrollers with On-Screen Display OSD |
| SAA5533PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Enhanced TV microcontrollers with On-Screen Display OSD |
| SAA5540PS/NNNN | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:TV microcontrollers with Closed Captioning (CC) and On-Screen Display (OSD) |
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