Patent ID: 9577601
Date: 2017-02-21
CPC Classifications: G06F,H03H

Claim:
1. A broadcast serial bus termination circuit for a broadcast serial bus, the broadcast serial bus having a variable number of nodes connected thereto, wherein each node of the variable number of nodes is connected in parallel to a first signal line and a second signal line of the broadcast serial bus, wherein each node of the variable number of nodes connects the first signal line to the second signal line via a node impedance, and wherein the broadcast serial bus is configured for operation with a predetermined bus impedance, the broadcast serial bus termination circuit comprising: an adjustable impedance connected, in operation, between the first signal line and the second signal line of the broadcast serial bus; and an adjusting unit configured for adjusting the adjustable impedance based on a number of the nodes connected to the broadcast serial bus, such that a total impedance of the broadcast serial bus corresponds to the predetermined bus impedance for different numbers of nodes.