发明名称 |
Information device including main processing circuit, interface circuit, and microcomputer |
摘要 |
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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申请公布号 |
US7984223(B2) |
申请公布日期 |
2011.07.19 |
申请号 |
US20100659545 |
申请日期 |
2010.03.12 |
申请人 |
RENESAS ELECTRONICS CORPORATION |
发明人 |
NAGANO HIDEO;MURAMATSU KIKUO;KOYAMA MASAYUKI;ANDO TOMOKO;HIGASHIDA MOTOKI;ARAKAWA TAKAHIKO;HATAKENAKA MAKOTO |
分类号 |
G06F13/14 |
主分类号 |
G06F13/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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