Patent ID: 6629159
Filing Date: 2003-09-30
Classification: H04N

Abstract:
A method for updating data of a plug control register in a digital interface having a plurality of audio/video nodes, the method comprising:if a first audio/video node requests a second audio/video node to update a value of the plug control register through a read/lock transaction, retrieving a signal that determines whether the first audio/video node is entitled to update a value of the plug control register of the second audio/video node; transmitting the determining signal to the first audio/video node through a lock response packet; and if the first audio/video node is entitled to update the value of the plug control register of the second audio/video node and if an argument value transmitted from the first audio/video node is equal to the value of the plug control register of the second audio/video node, then updating the value of the plug control register of the second audio/video node with a data value transmitted from the first audio/video node.