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    • 6. 发明授权
    • Input/output processing IC
    • 输入/输出处理IC
    • US5734920A
    • 1998-03-31
    • US835907
    • 1997-01-10
    • Yoshinori GotohKenji MurakamiTadashi ShibataShunji KameiHajime Nomura
    • Yoshinori GotohKenji MurakamiTadashi ShibataShunji KameiHajime Nomura
    • G06F13/12G06F7/00
    • G06F13/124
    • A compact input/output processing IC, which reduces the CPU load, to which microcomputer 100, input/output processing IC 200, and various inputs and outputs are connected. Parallel signals are connected to a high-speed input/output buffer and serial signals are connected from communications control circuit 207 via serial communications circuit 206 to SIO 104. To achieve the proper control, data requiring high speed is handled by parallel communications. Serial communications is handled by shift registers, first bit of each being connected to the last bit of the other, to form a loop, with instruction and input/output data from the CPU exchanged simultaneously, thereby achieving efficient processing. This achieves better organization of the communications for input/output processing, enabling both better control and a compact hardware design.
    • 将微型计算机100,输入/输出处理IC 200以及各种输入和输出连接到的小型输入/输出处理IC,其减少CPU负载。 并行信号连接到高速输入/输出缓冲器,并且串行信号从通信控制电路207通过串行通信电路206连接到SIO 104.为了实现适当的控制,需要高速的数据通过并行通信来处理。 串行通信由移位寄存器处理,每一个的第一位被连接到另一个的最后一位,以形成一个循环,来自CPU的指令和输入/输出数据被同时交换,从而实现有效的处理。 这可以更好地组织输入/输出处理的通信,从而实现更好的控制和紧凑的硬件设计。