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參數(shù)資料
| 型號(hào)： | SAA5288 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | TV Microcontroller with Full Screen On Screen Display (OSD)(帶全屏屏幕顯示的TV微控制器) |
| 中文描述： | 電視微控制器，帶有全屏幕顯示（OSD）（帶全屏屏幕顯示的電視微控制器屏） |
| 文件頁數(shù)： | 21/48頁 |
| 文件大?。?/td> | 508K |
| 代理商： | SAA5288 |
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1997 Jun 24
21
Philips Semiconductors
Preliminary specification
TV microcontroller with full screen
On Screen Display (OSD)
SAA5288
7.5
The display
7.5.1
I
NTRODUCTION
The capabilities of the display are based on the
requirements of level 1 teletext, with some enhancements
for use with locally generated on screen displays.
The display consists of 25 rows each of 40 characters,
with the characters displayed being those from rows
0 to 24 of the basic page memory. If the TXT.7 STATUS
ROW TOP bit is set row 24 is displayed at the top of the
screen, followed by row 0, but normally memory rows are
displayed in numerical order.
The display memory stores 8-bit character codes which
correspond to a number of displayable characters and
control characters, which are normally displayed as
spaces. The character set of the device is described in
more detail in Section 8.
7.5.2
C
HARACTER MATRIX
Each character is defined by a matrix 12 pixels wide and
10 pixels high. When displayed, each pixel is
1
12
ms wide
and 1 TV line, in each field, high.
7.5.3
P
AGE ATTRIBUTES
Columns 0 to 9 of row 25 of the memory are treated by the
display as if they contain display control information from
teletext page headers. The bits which affect the display are
shown in Table 12. Columns 0 to 4 are not used.
If C5 (newsflash) or C6 (subtitle) is set the display uses the
display mode defined in register TXT6. C7 (suppress
header) causes the header row (row 0) to be displayed as
if every character was a space. C10 (inhibit display)
displays every character on all rows as if it was a space.
C12 to C14 (language control bits) cause certain character
codes to be interpreted differently (see Section 7.5.5).
Table 12
Page attributes
COLUMN
PAGE ATTRIBUTE FIELD
7
6
5
4
3
2
1
0
5
6
7
8
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
C6
C10
C14
0
0
C5
0
C13
0
0
0
0
0
C7
0
0
0
C12
0
0
Fig.4 Display page organisation.
handbook, full pagewidth
ROW 0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
0
9
23
MGL116
39
0
DISPLAY PAGE MEMORY
page attributes
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA5288PS | TV microcontroller with full screen On Screen Display OSD |
| SAA5290 | One page Economy Teletext/TV microcontroller |
| SAA5290A | Economy teletext and TV microcontrollers |
| SAA5290PS | Economy teletext and TV microcontrollers |
| SAA5290ZP | One page Economy Teletext/TV microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA5288PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:TV microcontroller with full screen On Screen Display OSD |
| SAA5290 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
| SAA5290A | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
| SAA5290PS | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Economy teletext and TV microcontrollers |
| SAA5290ZP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:One page Economy Teletext/TV microcontroller |
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