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参数资料
| 型号： | S5D2510 |
| 厂商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | stand-alone OSD Processor |
| 中文描述： | 独立OSD处理器 |
| 文件页数： | 26/32页 |
| 文件大小： | 267K |
| 代理商： | S5D2510 |
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S5D2510
OSD PROCESSOR FOR MONITOR (PRELIMINARY)
26
Character Height
The purpose of CH[5:0] (Character Height) is to output a uniformly sized OSD even if the resolution changes. To
express a character height of CH = 18
CH = 63 after receiving CH[5:0]'s input from the "Frame Control
Register 1", decide on each line's repeating number(standard height CH = 18) and repeat the lines. The following
figure shows two examples of a height-controlled character. Height control is control is carried out by repeating
some of the lines.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Standard Font (12*18)
Standard Font
inhigh vertical resoultion
Height-controlled font
: added
line
: added
line
Standard Font (12*18)
Standard Font
in more higher vertical resoultion
Height-controlled font
Figure 17: Character Height Control
Repeating line-number can be found by the following formula.
[# of the repeating lines = 2 + N x M ] ,
where N = 1, 2, 3, ... and M = round { 14 / ( CH[5:0] - 18 ) }.
(i) If CH[5:0] is greater than 32 and less than or equal to 46 (32 < CH[5:0]
≤
46), all lines are repeated once or
twice. The lines that are repeated twice are chosen by the following formula.
where N = 1, 2, 3, ... and M = round { 14 / ( CH
[5:0] - 32 ) }.
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