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    • 8. 发明授权
    • Automated calibration of I/O over a multi-variable eye window
    • 通过多变量眼睛窗口自动校准I / O
    • US07296104B2
    • 2007-11-13
    • US11224277
    • 2005-09-12
    • Brian L. SmithJue WuJyh-Ming JongWai FongLeo YuanPrabhansu Chakrabarti
    • Brian L. SmithJue WuJyh-Ming JongWai FongLeo YuanPrabhansu Chakrabarti
    • G06F13/42G06F11/04G06K5/04
    • G06F11/24H02H1/00H02H3/385H02H7/267
    • A method and apparatus for automated calibration of I/O over a multi-variable eye window is provided. A transmitter may conduct data transmissions to a receiver of an integrated circuit (IC) over a plurality of signal lines. The data transmissions may be conducted according to a certain parameters or sets of parameters. Parameters may include voltage levels at which signals are transmitted or timing delays. The receiver may determine whether the correct data value was received over each signal line. The results may be recorded in a storage mechanism in the same IC as the receiver. The storage mechanism may, for each signal line, store a pass/fail result corresponding to the particular parameters for the data transmission. The system may select the parameters which subsequent transmissions are to be conducted over each of the plurality of signal lines from the storage mechanism.
    • 提供了一种用于通过多变量眼窗自动校准I / O的方法和装置。 发射机可以通过多条信号线对集成电路(IC)的接收机进行数据传输。 可以根据某些参数或参数集进行数据传输。 参数可以包括传输信号的电压电平或定时延迟。 接收机可以确定是否在每个信号线上接收到正确的数据值。 结果可以记录在与接收器相同的IC中的存储机构中。 对于每个信号线,存储机构可以存储对应于用于数据传输的特定参数的通过/失败结果。 系统可以从存储机构中选择要在多条信号线中的每条信号上进行后续传输的参数。