Information device including main processing circuit,...

Details Information device including main processing circuit,... Information device including main processing circuit,...

2011-07-19

2011-07-19

Spittle, Matthew D (Department: 2111)

Electrical computers and digital data processing systems: input/

Intrasystem connection

Bus interface architecture

C709S228000, C348S512000, C375S240250

Reexamination Certificate

active

07984223

ABSTRACT:
An information device packaged in one package includes a main function unit and an interface function unit. The main function unit includes a main processing circuit for executing signal processing related to a main function in the information device and a first microcomputer for controlling the main processing circuit by executing a first firmware program. The interface function unit includes an interface function unit including a first interface circuit for receiving data from an exterior device located outside of the information device to provide to the main function unit, a second interface circuit for performing an authentication operation with the exterior device, a second microcomputer for controlling the first interface circuit, and a memory for storing a second firmware program for controlling the first interface circuit.

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