Microchip Technology Incorporated
INTERFACING WITH A ONE-WIRE DEVICE THAT IS IN PARALLEL WITH A LOW-IMPEDANCE ELEMENT, AND RELATED SYSTEMS AND DEVICES

Abstract:

Some embodiments of the present disclosure relate to a system that may include a replaceable module and a user device. The replaceable module may include an element and a one-wire authentication element in parallel with the element. The user device may be configured for operable coupling with the replaceable module. The user device may include a power source configured to provide power to the element, an authentication unit configured to perform a verification process for verifying authenticity of the replaceable module, and a signal conditioning unit arranged in a communication path between the one-wire authentication element and the authentication unit.