摘要
Abstract
Digital voltmeter for electronic circuits commonly used test instruments, the paper discusses a digital voltmeter TLC549-based design methods. The digital voltmeter control system AT89S51 microcontroller, A/D converter TLC549 as the main hardware, to achieve simple digital voltmeter of the hardware circuit and software design, has some practical value.关键词
TLC549/AT89S51/数字电压表Key words
TLC549/AT89S51/Digital Voltmeter分类
信息技术与安全科学
