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參數(shù)資料
| 型號： | STV9937 |
| 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)： | 26/49頁 |
| 文件大?。?/td> | 441K |
| 代理商： | STV9937 |
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RAM Specification
STV9937
26/49
5
RAM Specification
5.1
Character Coding
Each character to display is coded with 12 bits in the RAM with the following addressing method:
●
Character Code: Bits RC[8:0] are used to address the ROM Code
●
Color Code: Bits CB[2:0] are used to select 1 of the 8 color-boxes in the color shop of the
corresponding OSD window.
5.2
Window Memory Allocation
The 4 OSD windows can be distributed differently. But the displayable windows will always contain
a total of 20 blocks (1 block consists of 32 characters).
5.3
Memory Size Allocation
The total number of characters or spaces is up to 640 with a maximum window size of 16 rows of 32
characters.
The character codes of each window are allocated to a specific memory space. This memory space
is programmable for each window. The window size must be less than or equal to its memory
allocation. Any window size can be modified within its specific memory space, the other windows
are not affected by this operation.
Table 28: Character Coding
FWR
FAC
Bit 11
Bit 10
Bit 9
Bit 8
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
See
Table 3
CB[2:0]
RC[8:0]
Figure 12: Window Memory Space
Window 0
Color-boxes
10 Blocks
4 Blocks
3 Blocks
3 Blocks
1 Block
Window 1
Window 2
Window 3
Window 4
Displayable
Windows
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STV9937P | 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 |
| 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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