公开(公告)号：US08798219B2

公开(公告)日：2014-08-05

申请号：US13768923

申请日：2013-02-15

Applicant: Broadcom Corporation

Inventor： Aaron W. Buchwald ,  Michael Le ,  Josephus van Engelen ,  Xicheng Jiang ,  Hui Wang ,  Howard A. Baumer ,  Avanindra Madisetti

IPC: H04L7/02

CPC classification number: H04L25/03885 ,  H03L7/07 ,  H03L7/0814 ,  H03L7/091 ,  H04L7/0025 ,  H04L7/0274 ,  H04L7/0337 ,  H04L25/03006 ,  H04L2025/03477 ,  H04L2025/03617

Abstract: A high-speed serial data transceiver includes multiple receivers and transmitters for receiving and transmitting multiple analog, serial data signals at multi-gigabit-per-second data rates. Each receiver includes a timing recovery system for tracking a phase and a frequency of the serial data signal associated with the receiver. The timing recovery system includes a phase interpolator responsive to phase control signals and a set of reference signals having different predetermined phases. The phase interpolator derives a sampling signal, having an interpolated phase, to sample the serial data signal. The timing recovery system in each receiver independently phase-aligns and frequency synchronizes the sampling signal to the serial data signal associated with the receiver. A receiver can include multiple paths for sampling a received, serial data signal in accordance with multiple time-staggered sampling signals, each having an interpolated phase.

Abstract translation: 高速串行数据收发器包括多个接收器和发送器，用于以千兆比特每秒的数据速率接收和发送多个模拟串行数据信号。 每个接收机包括用于跟踪与接收机相关联的串行数据信号的相位和频率的定时恢复系统。 定时恢复系统包括响应于相位控制信号的相位内插器和具有不同预定相位的一组参考信号。 相位内插器导出具有内插相位的采样信号以采样串行数据信号。 每个接收机中的定时恢复系统独立地对采样信号和与接收机相关联的串行数据信号进行频率同步。 接收机可以包括多个路径，用于根据多个具有内插相位的多个时间交错采样信号对接收的串行数据信号进行采样。