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參數(shù)資料
| 型號： | SAA5520 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Standard TV Microcontrollers with On-Screen Display(OSD) |
| 中文描述： | 微控制器與標準電視屏幕顯示（OSD） |
| 文件頁數(shù)： | 54/80頁 |
| 文件大?。?/td> | 340K |
| 代理商： | SAA5520 |
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1999 Oct 27
54
Philips Semiconductors
Preliminary specification
Standard TV microcontrollers with
On-Screen Display (OSD)
SAA55xx
Table 15
Foreground CLUT mapping
19.3.6
B
ACKGROUND COLOUR
The control character new background (1DH) is used to
change the background colour to the current foreground
colour. The selection is immediate (set at) and remains
valid until the end of the row or until otherwise modified.
The TEXT background control characters map to the
CLUT entries as shown in Table 16.
Table 16
Background CLUT mapping
19.3.7
F
RINGING
The display of fringing is controlled by the TXT4.SHADOW
bit.
When set all the alphanumeric characters being displayed
are shadowed, graphics characters are not shadowed.
19.3.8
M
ESHING
The attribute effects the background colour being
displayed. Alternate pixels are displayed as the
background colour or video. The structure is offset by
1 pixel from scan line to scan line, thus achieving a
checker board display of the background colour and video.
TXT:
There are two meshing attributes one that only
affectsblackbackgroundcoloursTXT4.B MESH ENABLE
and a second that only affects backgrounds other than
black TXT4.C MESH ENABLE. A black background is
defined as CLUT entry 8, a non-black background is
defined as CLUT entry 9 to 15.
19.3.9
C
URSOR
The cursor operates by reversing the background and
foreground colours in the character position pointed to by
the active cursor position. The cursor is enabled using
TXT7.CURSOR ON. When active, the row the cursor
appears on is defined by TXT9.R<4:0> and the column is
defined by TXT10.C<5:0>. The position of the cursor can
be fixed using TXT9.CURSOR FREEZE.
The valid range for row positioning is 0 to 24. The valid
range for column is 0 to 39.
CONTROL
CODE
DEFINED
COLOUR
CLUT ENTRY
00H
01H
02H
03H
04H
05H
06H
07H
black
red
green
yellow
blue
magenta
cyan
white
0
1
2
3
4
5
6
7
CONTROL
CODE
DEFINED
COLOUR
CLUT ENTRY
00H + 1DH
01H + 1DH
02H + 1DH
03H + 1DH
04H + 1DH
05H + 1DH
06H + 1DH
07H + 1DH
black
red
green
yellow
blue
magenta
cyan
white
8
9
10
11
12
13
14
15
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA5520PS | Standard TV Microcontrollers with On-Screen Display(OSD) |
| SAA5521PS | Standard TV Microcontrollers with On-Screen Display(OSD) |
| SAA5522PS | Standard TV Microcontrollers with On-Screen Display(OSD) |
| SAA5523PS | Standard TV Microcontrollers with On-Screen Display(OSD) |
| SAA5552PS | Standard TV Microcontrollers with On-Screen Display(OSD) |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA5520PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Standard TV Microcontrollers with On-Screen Display(OSD) |
| SAA5521PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Standard TV Microcontrollers with On-Screen Display(OSD) |
| SAA5522PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Standard TV Microcontrollers with On-Screen Display(OSD) |
| SAA5523PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Standard TV Microcontrollers with On-Screen Display(OSD) |
| SAA5530 | 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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