CPC H03L 7/0818 (2013.01) [H03L 7/087 (2013.01); H03L 7/189 (2013.01)] | 20 Claims |
1. A method for operating an interface circuit, comprising:
providing a master delay-locked loop (DLL) lock value indicating a delay adjustment made at a master DLL;
adjusting a delay of a slave DLL based on a master DLL code; and
temporarily enabling a replica phase detector at the slave DLL during an interface idle period, determining a slave DLL code, determining a configuration value based on the slave DLL code to the master DLL code, and then disabling the replica phase detector.
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