Patent ID: 6122698
Filing Date: 2000-09-19
Classification: G06F,Y02D

Abstract:
A bus interface for transferring information over a bus, the bus including at least one conducting line for carrying at least one respective signal, the bus interface comprising:a driver circuit for driving an adjustable current through the at least one conducting line of the bus, the driver circuit setting a current level of the adjustable current according to a state of an item of information represented by the signal being carried by the at least one conducting line, the driver circuit setting the current level to one of more than two predefined current levels of the conducting line corresponding to a respective one of more than two corresponding predefined states of the item of information, such that each item of information represented by the signal being carried by each conducting line can assume one of more than two possible states; anda receiver circuit coupled to the conducting line for receiving the adjustable current and detecting the current level of the adjustable current to identify the state of the item of information.