at89c52 pdf
The AT89C52 is a low-power, high-performance CMOS 8-bit microcomputer with 8Kbytes of Flash programmable and erasable read only memory (PEROM). The de...
The AT89C52 is a low-power, high-performance CMOS 8-bit microcomputer with 8Kbytes of Flash programmable and erasable read only memory (PEROM). The de...
该文介绍了一种新型带4K字节闪速可编程可电擦除只读存储器(PEROM)的低功耗、高性能CMOS8位单片机AT89C51在通信接口卡RS422中的应用;该接口卡利用单片机现有的I/O端口,通过软件实现同步头信号和数据信号的检测,传输。新型单片机的应用,不仅简化了线路的设计,大大提高了接口卡应用的灵活性...