The ISP function of P89C61 SCM is utilized to design and make this SCM teaching experimental device compatible with 80c51 series daily experiment course at low cost.
利用P 89c61单片机的IS P功能，设计制作低成本单片机教学实验装置，兼容80c51系列日常实验内容。
Then the ISP function of MCU was used to program the MCU once again and plant serial read number program.
利用单片机的IS P功能重新对单片机编程，植入串口读数程序。
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