6264扩展内存，51单片机外扩6264存储器的源程序，内有.c 源程序和proteus仿真文件-6264 extended memory, 51 single-chip 6264 memory expansion outside of the source, there. C source code and simulation files proteus

通过6264芯片来扩展单片单片机的RAM,通过这个程序可以深入学习单片机RAM的扩展-To extend through the 6264 chip monolithic chip of RAM, in-depth study through this program can expand the RAM chip