Address assignment system and method in a digital communication interface

Abstract

A digital system has a master device and a plurality of slave devices coupled to the master device on a shared data communication bus. Each slave device includes an address selection pin, configured to be addressed by the master device for a data communication on the shared data communication bus, and a detection stage, coupled to the address selection pin to detect a static address associated with the address selection pin. The detection stage determines the static address as a function of a respective one of different pull-up and/or pull-down connection modes of the address selection pin. The pull-up and/or pull-down connection modes differ from each other based on a different resistance associated with the pull-up and/or pull-down connection.

Dependencies are inferred from the claim text.