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给出用 8 0 31单片机作为微处理器实现NT1的硬件和软件设计方案 .使得ISDN可视电话终端可以和大多数ISDN专线连通 ,具有很强的通用性 .
The design of the hardware and software to realize NT1 with 8 0 31 single-chip microprocessor is given, which makes the ISDN video phone terminal connect with most ISDN leased lines and has strong versatility.