參數(shù)資料
型號: DMC73C168
英文描述: 8Bit Single Chip Microcontroller
中文描述: 8位單芯片微控制器
文件頁數(shù): 78/90頁
文件大?。?/td> 742K
代理商: DMC73C168
78
8Bit Single Chip Microcontroller
DMC73C167
5.10.4 OSD Programming Example
5.10.4.1 Multiple-Line Display
The following flow chart is an example of a four-line display. Regardless of whether
the display is an odd or even number of lines, the first line of data for any field to be
displayed on the screen will come from video RAM A and OSDVPA.
Figure 5-22. Example Flow Chart of 4 Line Display
- DO NOTHING
- DO NOTHING
- OSDVPB
- VIDEO RAM B
- OSDVPA
- VIDEO RAM A
- OSD OFF
- OSDVPA
- VIDEO RAM A
- OSDVPB
- VIDEO RAM B
- OSD ON
IF LINECNT = 0
IF LINECNT = 1
IF LINECNT = 2
IF LINECNT = 3
IF LINECNT = 4
RETI
V-Position for 1st line
Data to be displayed
V-Position for 2nd line
Data to be displayed
- V-Position for 3rd line
- Data to be displayed
- V-Position for 4th line
- Data to be displayed
OSD INTERRUPT
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