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參數(shù)資料
| 型號： | STV9937P |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | 120-MHz On-Screen Display for Monitors including PictureBooSTTM and 4 True Independent Window Displays |
| 中文描述： | 120 - MHz的屏幕的顯示器，其中包括PictureBooSTTM和4個(gè)真正的獨(dú)立的窗口顯示顯示 |
| 文件頁數(shù)： | 20/49頁 |
| 文件大?。?/td> | 441K |
| 代理商： | STV9937P |
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Character Specifications
STV9937
20/49
4
Character Specifications
4.1
General Description
There are:
●
496 monochrome characters and 16 multi-color characters in ROM
●
32 to 127 characters per line
●
character height varies between 18 and 127 scan lines
●
0 to 62 scan space lines between character rows, with the same number of lines above and
below the rows of characters.
With the possibility to select:
●
blinking effect for each character
●
shadowing effect for characters in each window
●
background and foreground character colors: for each character, among a Color-shop of 8
Color-boxes per window. There is a Color-shop for each window. The Color-boxes define the
background colors and the foreground character colors and blinking effect.
4.2
Horizontal Resolution
The horizontal resolution defines the number of pixels per line expressed in characters unit. This
value is selected by bits HR[6:0].
The range of the horizontal resolution is from 32 to 127 characters, in steps of one character each.
The default value is 32 characters per line (20h). If bits HR[6:0] are programmed with a value less
than 32, the horizontal resolution will be 32 characters per line (minimum value).
HR[6:0] = Number of characters per line
It is important that the maximum pixel frequency must be respected (CLK2= 120 MHz maximum).
As each character is 12 pixels long, the number of pixels per line varies from 384 to 1524. For more
information, refer to
Section 6: Pixel Clock Generator on page 29
.
4.3
Character Height
The vertical height defines the number of scan lines used to display the characters. This value is
selected by bits CH[6:0].
Table 19: Horizontal Resolution
FWR
FAC
Default
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
80h
01h
20h
HR[6:0]
Table 20: Vertical Character Height
FWR
FAC
Default
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
80h
02h
12h
CH[6:0]
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| STV9937P/AA | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:120-MHz On-Screen Display for Monitors including PictureBooSTTM and 4 True Independent Window Displays |
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