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參數(shù)資料
| 型號： | SAA5532PS/NNNN |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP52 |
| 封裝： | 0.600 INCH, PLASTIC, SDIP-52 |
| 文件頁數(shù)： | 80/100頁 |
| 文件大小： | 412K |
| 代理商： | SAA5532PS/NNNN |
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2000 Feb 23
80
Philips Semiconductors
Preliminary specication
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
lowest value
...
1111
highest value
REGISTER
NUMBER
MEMORY
ADDRESS
FUNCTION
0
87F0H
Display Control
1
87F1H
Text Position Vertical
2
87F2H
Text Area Start
3
87F3H
Fringing Control
4
87F4H
Text Area End
5
87F5H
Scroll Area
6
87F6H
Scroll Range
7
87F7H
RGB Brightness
8
87F8H
Status
9
87F9H
Reserved
10
87FAH
Reserved
11
87FBH
Reserved
12
87FCH
HSYNC Delay
13
87FDH
VSYNC Delay
14
87FEH
Top Scroll Line
15
87FFH
Conguration
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA5551PS/NNNN | 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP52 |
| SAA5500PS/NNNN | 8-BIT, OTPROM, 12 MHz, MICROCONTROLLER, PDIP52 |
| SAA6703AH | CRT OR FLAT PNL GRPH DSPL CTLR, PQFP160 |
| SAA7157T-T | 29 MHz, VIDEO CLOCK GENERATOR, PDSO20 |
| SAA7388GP-T | 8-BIT, 50.4 MHz, MICROCONTROLLER, PQFP80 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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) |
| SAA5542 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Enhanced TV microcontrollers with On-Screen Display OSD |
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