Patent ID: 8406361
Filing Date: 2013-03-26
Classification: H03L,H04L

Abstract:
1. A data communication system comprising: a transmitter including a first clock-generation circuit; and a receiver including a second clock-generation circuit, the receiver connected to the transmitter by a communication channel; wherein: at least a specific one of the first and second clock-generation circuits is powered-down between consecutive data bursts in a data communication; the data communication system is configured to expedite starting up operational use of the data communication system upon the power-down of the specific clock-generation circuit; the data communication system comprising, within at least one of the transmitter and the receiver, a preset block having at least one register to store a digital value, the digital value being used to preset an operational quantity of the specific clock-generation circuit at the starting up; wherein the transmitter is configured to begin communicating data in a data burst to the receiver before an attribute of a clock signal in the first clock-generation circuit has settled, and wherein the receiver is configured to recover the data received in the data burst while the attribute is settling; and wherein the preset block is configured to use a previously obtained digital value that is representative of the operational quantity during a previous one of the data bursts, as the digital value for use in a next one of the data bursts.