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參數(shù)資料
| 型號(hào)： | SAA569x |
| 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)： | 74/116頁 |
| 文件大?。?/td> | 532K |
| 代理商： | SAA569X |
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2002 May 06
74
Philips Semiconductors
Objective specification
Enhanced TV microcontrollers with
On-Screen Display (OSD)
SAA567x; SAA569x
handbook, full pagewidth
0
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Field 1
Field 2
12
×
16 character matrix
12
×
13 character matrix
indented by 7/6/4
indented by 6/5/3
indented by 5/4/2
indented by 4/3/1
indented by 3/2/0
indented by 2/1
indented by 1/0
MBK970
2
4
6
8 10 0 2 4
6 8 10
indented by 0
0
2 4
6 8 10 0 2 4
6 8 10
12
×
10 character matrix
0
2 4
6 8 10 0 2 4
6 8 10
Fig.31 Italic characters.
23.5.5
C
OLOURS
A Colour Look-Up Table (CLUT) with 16 colour entries is
provided. The colours can be programmed from a palette
of4096(4 bitsper R, G and B),asshowninTable 30.The
CLUT is defined by writing data to a RAM that resides in
the MOVX address space of the 80C51. When set, the
colours are global and apply to all display windows.
Table 30
CLUT colour values
23.5.6
F
OREGROUND
C
OLOUR
CC:
The foreground colour can be chosen from eight
colours on a character by character basis. Two sets of
eight colours are provided. A serial attribute switches
between the banks (see Table 35 Serial Mode 1, bit 7).
The colours are the CLUT entries 0 to 7 or 8 to 15.
TXT:
The foreground colour is selected via a control
character(seeFig.37).Thecolourcontrolcharacterstakes
effect at the start of the next character (‘set after’) and
remain valid until the end of a row of a display window, or
untilmodifiedbyacontrolcharacter.Onlyeightforeground
colours are available.
The TEXT foreground control characters map to the CLUT
entries, as shown in Table 31.
Table 31
Foreground CLUT mapping
RED<3:0>
(B11 TO B8)
GREEN<3:0>
(B7 TO B4)
BLUE<3:0>
(B3 TO B0)
COLOUR
ENTRY
0000
0000
...
1111
1111
0000
0000
...
1111
1111
0000
1111
...
0000
1111
0
1
...
14
15
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
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