at89s52并口下载工具软件和硬件,硬件成本超低,且制作简单,赶快下吧.-AT89S52 parallel port to download the software and hardware tools, hardware cost of ultra-low, and the production of simple, as soon as possible under the bar.

超简单的并可下载线制作，用于单片机程序下载，代替昂贵的仿真器和下载器！-Super simple and can be download cable production for the microcontroller program to download, instead of expensive emulator and download the device!