參數(shù)資料
型號(hào)： SAA5532
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(yè)數(shù)： 80/100頁(yè)
文件大?。?/td> 371K
代理商： SAA5532
2000 Feb 23
80
Philips Semiconductors
Preliminary specification
Enhanced TV microcontrollers with
On-Screen Display (OSD)
SAA55xx
19.16 RGB brightness control
A brightness control is provided to allow the RGB upper
output voltage level to be modified. The nominal value is
1 V into a 150
resistor, but can be varied between
0.7 and 1.2 V.
The brightness is set in RGB Brightness Register.
Table 31
RGB brightness
19.17 Contrast reduction
CC:
This feature is not available in CC mode.
TXT
: The COR bits in SFRs TXT5 and TXT6 control when
the COR output of the device is activated (i.e. pulled
LOW). This output is intended to act on the TVs display
circuits to reduce contrast of the video when it is active.
The result of contrast reduction is to improve the
readability of the text in a mixed teletext and video display.
The bits in the TXT5 and TXT6 SFRs allow the display to
be set up so that, for example, the areas inside teletext
boxes will be contrast reduced when a subtitle is being
displayed but that the rest of the screen will be displayed
as normal video.
20 MEMORY MAPPED REGISTERS (MMR)
The memory mapped registers are used to control the
display. The registers are mapped into the microcontroller
MOVX address space, starting at address 87F0H and
extending to 87FFH.
Table 32
MMR address summary
BRI3 TO BRI0
RGB BRIGHTNESS
0000
...
1111
lowest value
...
highest value
REGISTER
NUMBER
MEMORY
ADDRESS
FUNCTION
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
87F0H
87F1H
87F2H
87F3H
87F4H
87F5H
87F6H
87F7H
87F8H
87F9H
87FAH
87FBH
87FCH
87FDH
87FEH
87FFH
Display Control
Text Position Vertical
Text Area Start
Fringing Control
Text Area End
Scroll Area
Scroll Range
RGB Brightness
Status
Reserved
Reserved
Reserved
HSYNC Delay
VSYNC Delay
Top Scroll Line
Configuration
相關(guān)PDF資料
PDF描述
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)
SAA5564PS 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
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)
SAA5541PS/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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