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    • 1. 发明授权
    • Serial data transfer system
    • 串行数据传输系统
    • US4984190A
    • 1991-01-08
    • US569539
    • 1990-08-20
    • Shigetatsu KatoriYukio MaehashiYukari Misawa
    • Shigetatsu KatoriYukio MaehashiYukari Misawa
    • G06F13/28G06F13/42G06F15/17
    • G06F13/423G06F13/28G06F15/17
    • Herein disclosed is a serial data transfer system which has first and second serial data processors connected via a single data line and a single clock line for transferring serial data therebetween. Each of the first and second serial data processors includes: reception confirmation signal output means for outputting a reception confirmation signal to the data line; and reception confirmation signal detection means for detecting the reception confirmation signal on the data line. The confirmation of the data transfer is executed in synchronism with serial clock pulses outputted to the clock line. Alternatively, the first or second serial data processor includes: an output circuit for outputting a reception confirmation signal to the data line; a circuit for generating a first signal indicating the end of reception of the serial data; a circuit for generating a second signal indicating the end of processing of the data received; and a circuit for controlling the output of said reception confirmation signal. When the reception of the serial data on the data line is ended, the output circuit outputs the reception confirmation signal to the data line in synchronism with the first or second signal.
    • 这里公开了一种串行数据传输系统,其具有通过单个数据线连接的第一和第二串行数据处理器以及用于在其间传送串行数据的单个时钟线。 第一和第二串行数据处理器中的每一个包括:接收确认信号输出装置,用于向数据线输出接收确认信号; 以及接收确认​​信号检测装置,用于检测数据线上的接收确认信号。 与输出到时钟线的串行时钟脉冲同步执行数据传送的确认。 或者,第一或第二串行数据处理器包括:输出电路,用于向数据线输出接收确认信号; 用于产生指示串行数据的接收结束的第一信号的电路; 用于产生指示所接收的数据的处理结束的第二信号的电路; 以及用于控制所述接收确认信号的输出的电路。 当数据线上的串行数据的接收结束时,输出电路与第一或第二信号同步地向数据线输出接收确认信号。