參數(shù)資料
型號(hào): 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(yè)數(shù): 73/90頁(yè)
文件大?。?/td> 742K
代理商: DMC73C168
73
8Bit Single Chip Microcontroller
DMC73C167
5.10 On Screen Display
The DMC73C167 on screen display (OSD) hardware has two separate video
RAM blocks called Line A and Line B. Both Line A and Line B can be accessed
by the CPU separately. Thus, it is possible to modify video RAM data while one
line is being accessed by the video display controller. So multiple lines are easily
displayed with the help of the display line counter which is supported by on-chip
hardware.
5.10.1. Major Features of the OSD Module
Number of display patterns
2 independent lines x 20 columns
(max of 12 lines by software control)
128
12 x 18
8 colors for each character
x1 (20 columns), x4 (10 columns)
2 dots/1 bit, 7 bits (max 256 dots move)
2H/1 bit, 8 bit
4bits, cleared by VSYNC
INT4
Number of character fonts
Character font structure
Character color
Character size
Horizontal position
Vertical position
OSD interrupt counters
OSD interrupt sources
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