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參數(shù)資料
| 型號(hào)： | PCA84C646 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Microcontrollers for TV tuning control and OSD applications(應(yīng)用于TV調(diào)頻和OSD的微控制器) |
| 中文描述： | 微控制器的控制和調(diào)整（應(yīng)用于電視調(diào)頻和OSD的微控制器應(yīng)用的電視OSD） |
| 文件頁數(shù)： | 40/72頁 |
| 文件大?。?/td> | 564K |
| 代理商： | PCA84C646 |
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1995 Jun 15
40
Philips Semiconductors
Preliminary specification
Microcontrollers for TV tuning
control and OSD applications
PCA84C646; PCA84C846
12.4.1
S
PACE
C
ODE AND
C
ARRIAGE
R
ETURN
C
ODE IN
DIFFERENT BACKGROUND
/
SHADOWING MODES
Mode 0 No background mode. Both the Space Code and
the Carriage Return Code are displayed as
transparent (no bit) patterns, with the video signal
as the background.
Mode 1 North-west shadowing mode. Similar to Mode 0.
Mode 2 Box shadowing mode. The Space Code is
displayed as a transparent pattern with selected
background colour. This will also be the
background colour of the character following the
Space Code. However, when the Space Code is
used as an end bit, it will be displayed as a
transparent pattern superimposed on the video.
The Carriage Return Code in Mode 2 is also
displayed as a transparent pattern superimposed
on the video signal.
Mode 3 Frame shadowing mode. The Space Code and
Carriage Return code is displayed as a
transparent pattern with background colour;
see Table 39.
Space Code and Carriage Return Code in the 4 different
background/shadowing modes (0 to 3), with:
Blinking OFF are shown in Figs 31, 32, 33 and 34.
Blinking ON are shown in Figs 36, 37, 38 and 39.
Figure 39 shows blinking of a character only within the
12
×
18 cell boundary. If the shadow of the blinking
character crosses over the boundary of the cell of the
character next to the one that is not blinking, the shadow
dot will still appear on the screen regardless whether the
blinking character is ON or OFF.
Fig.31 SP and CR codes in Mode 0: No background mode (superimpose; transparent pattern).
handbook, full pagewidth
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
0 1 2 3 4 5
6 7
8 910 11 0 1 2 3 4 5
6 7 8 910 11
SP code
CR code
0 1 2 3 4 5
6 7
8 910 11 0 1 2 3 4 5
6 7 8 910 11
Red colour
Blue colour
MED227
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| PCA84C646P | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Microcontrollers for TV tuning control and OSD applications |
| PCA84C64X | 制造商:未知廠家 制造商全稱:未知廠家 功能描述: |
| PCA84C822 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers for remote control transmitters |
| PCA84C822A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers for remote control transmitters |
| PCA84C822AP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:8-bit microcontrollers for remote control transmitters |
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