This paper introduces a useful method to realize asynchronous acquisition of multi-channel signals on AT87C51 single-chip microcomputer using software timers.
本文介绍了一种利用软件定时器在AT87C51单片机上实现多路信号异步采集的实用技术。
No, they don't "physically" exist but rather they are simulated and can be considered software counters, timers, etc.
不是，它们不是实体存在，而是模拟存在，可以被看做软件计数器，计时器等。
应用推荐