【摘要】 文中设计字符叠加显示系统,该系统通过单片机对OSD芯片uPD6464A进行控制完成字符叠加显示。经调试表明,该系统能方便的对字符进行叠加显示,可广泛应用于各种场合进行字符叠加显示处理,具有一定的实用价值。更多还原

【Abstract】 A display system of character added is designed in this paper. This system performs characters adding and dis- playing by using an OSD chip uPD6464A which is controlled by a chip microcomputer. The result of debug shows that the sys- tem is convenient to adding characters, and it can be use in various situations to adding characters. It has a certain using value.更多还原