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| 型號(hào)： | KB2502 |
| 廠商： | SAMSUNG SEMICONDUCTOR CO. LTD. |
| 英文描述： | VIDEO AMP MERGED OSD PROCESSOR |
| 中文描述： | 視頻放大器合并OSD處理器 |
| 文件頁(yè)數(shù)： | 40/62頁(yè) |
| 文件大?。?/td> | 724K |
| 代理商： | KB2502 |
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VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS
KB2502
39
Preliminary
Other Color Effet
The row attribute register's 'BREN' bit's function is shown in the Figure below. If you set the 'BREN' bit of the
row with the letter A as '0' after selecting A and B's raster color as black, the raster color black will be
displayed. But if you set the 'BREN' bit of the row with the letter B as '1', the raster color black becomes
invisible, so the back raster color (gray) is displayed as if it is the raster color.
Color blinking is using a selective control bit in blink mode to replace normal blinking with 8 different colors
appearing in order on the font's character. Color blinking only replaces normal blinking, and blink time and blink
duty are still applied at the same time. Therefore, if the blink duty is not set to off, only 3 ~ 4 colors may appear
according to the blink duty, instead of all 8.
SIZING/POSITIONING
Character Size
Row attribute register's HZ bit[3:2] and VZ bit[1:0] control the character's vertical and horizontal size by factors
of 1/2/3/4 in units of row. VZ is correctly expressed without regard to size since the next line is just pushed
down in order, but HZ decides the column that the font occupies according to the size. For example, if HZ [1:0]
= 0, 1, the font doubles in the horizontal direction, and one font takes up 2 columns. Therefore, the column
address must move in the same amount as the HZ for the next font to be expressed correctly. in other words, if
the horizontal size is doubled and takes up 2 columns, the next font must be put 2 columns back.
Figure 14. Color Effect by BREN Bit
Figure 15. Character Size by VZ, HZ Bits
BREN bit = 0 & Rastor Color = Black
BREN bit = 1 & Rastor Color = Black
BREN bit = 1 & Rastor Color = Light Blue
Gray
Original
VZ
×
2
HZ
×
2
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