一个基于时钟芯片1302的单片机时钟。使用伟福的仿真器编译通过，同时写入单片机后的硬件电路也好使。-1302 based on the clock chip microcontroller clock. Wei-fu of the use of the compiler through the emulator, at the same time to write after the single-chip hardware circuitry or so.
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