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參數(shù)資料
| 型號(hào)： | SAA5561 |
| 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)： | 78/100頁(yè) |
| 文件大?。?/td> | 371K |
| 代理商： | SAA5561 |
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2000 Feb 23
78
Philips Semiconductors
Preliminary specification
Enhanced TV microcontrollers with
On-Screen Display (OSD)
SAA55xx
19.12 Redefinable characters
A number of Dynamically Redefinable Characters (DRC)
are available. These are mapped onto the normal
character codes, and replace the predefined ROM value.
There are 32 DRCs, the first 16 occupy the character
codes 80H to 8FH, the second 16 occupy the locations
90H to 9FH. This allows for 32 DRCs or 16 Special DRCs.
The remapping of the standard OSD to the DRCs is
activated when the TXT20.DRCS ENABLE bit is set.
The selection of Normal or Special OSD symbols is
defined by the TXT20.OSD PLANES.
Each character is stored in a matrix of 12
×
16
×
1
(V
×
H
×
planes), this allows for all possible character
matrices to be defined within a single location.
Fig.38 Organisation of DRC RAM.
handbook, full pagewidth
MBK969
CHARACTER 0
address (HEX)
character code
character 0
address (HEX)
00
01
02
03
04
05
06
07
08
09
0A
0B
0C
0D
0E
0F
80H
CHARACTER 1
81H
CHARACTER 2
82H
8800
881F
8820
883F
8840
885F
CHARACTER 30
9EH
CHARACTER 31
12 bits
9FH
8BC0
8BDF
8BE0
8BFF
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| SAA5562 | Enhanced TV microcontrollers with On-Screen Display OSD |
| SAA5562PS | Enhanced TV microcontrollers with On-Screen Display OSD |
| SAA5563 | Enhanced TV microcontrollers with On-Screen Display OSD |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA5561PS | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Enhanced TV microcontrollers with On-Screen Display OSD |
| SAA5562 | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Enhanced TV microcontrollers with On-Screen Display OSD |
| SAA5562PS | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Enhanced TV microcontrollers with On-Screen Display OSD |
| SAA5563 | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Enhanced TV microcontrollers with On-Screen Display OSD |
| SAA5563PS | 制造商:PHILIPS 制造商全稱(chēng):NXP Semiconductors 功能描述:Enhanced TV microcontrollers with On-Screen Display OSD |
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