公开(公告)号：US20160147281A1

公开(公告)日：2016-05-26

申请号：US14951150

申请日：2015-11-24

Applicant: Rambus Inc.

Inventor： Frederick A. Ware ,  Robert E. Palmer ,  John W. Poulton ,  Andrew M. Fuller

IPC: G06F1/32 ,  G06F3/06

CPC classification number: G06F1/3237 ,  G06F1/12 ,  G06F1/3225 ,  G06F1/324 ,  G06F3/0604 ,  G06F3/0625 ,  G06F3/0629 ,  G06F3/0673 ,  G06F9/3836 ,  G06F12/0857 ,  G06F13/1689 ,  G06F13/36 ,  G06F2201/88 ,  G11C7/04 ,  G11C7/10 ,  G11C7/1051 ,  G11C7/1066 ,  G11C7/1072 ,  G11C7/1078 ,  G11C7/109 ,  G11C7/1093 ,  G11C7/22 ,  G11C7/222 ,  G11C7/225 ,  G11C11/4076 ,  G11C11/4096 ,  G11C2207/2254 ,  Y02D10/14

Abstract: In an integrated circuit device that outputs data values during respective transmit intervals defined by transitions of a transmit clock, the phase of the transmit clock is shifted by half a transmit interval to enable a timing calibration operation. Thereafter, a sequence of data values is transmitted to another integrated circuit device in response to the phase-shifted transmit clock and a samples of the sequence of data values are received from the other integrated circuit device. The received samples are compared with the sequence of data values to determine a phase update value, including comparing at least one received sample with two adjacent data values within the sequence of data values, and the phase of the transmit clock is incrementally advanced or retarded according to the phase update value.

Abstract translation: 在由发送时钟的转变定义的各个发送间隔期间输出数据值的集成电路装置中，发送时钟的相位偏移了发送间隔的一半，以实现定时校准操作。 此后，响应于相移发送时钟，将数据值序列发送到另一集成电路装置，并且从另一集成电路装置接收数据值序列的采样。 将接收到的采样与数据值序列进行比较，以确定相位更新值，包括将至少一个接收到的采样与数据值序列中的两个相邻数据值进行比较，并且传输时钟的相位按照 到相位更新值。