Title:
半導体回路
Document Type and Number:
Japanese Patent JP4828921
Kind Code:
B2
Abstract:
To secure the data protecting function of an IC shared by a plurality of users.
This semiconductor circuit is provided with a program memory 11 having a plurality of areas, a data memory 12 having a plurality of areas and means 14 and 15 for permitting access to one or more areas among the plurality of areas of the data memory 12, and for inhibiting access to any other area when a program is read from one or more areas among the plurality of areas of the program memory 11.
COPYRIGHT: (C)2007,JPO&INPIT
Inventors:
Yosuke Matsushita
Masatoshi Tanaka
Kazuhiko Akiyama
Masatoshi Tanaka
Kazuhiko Akiyama
Application Number:
JP2005330489A
Publication Date:
November 30, 2011
Filing Date:
November 15, 2005
Export Citation:
Assignee:
Toshiba Corporation
Toshiba Microelectronics Co., Ltd.
Toshiba Carrier Co., Ltd.
Toshiba Microelectronics Co., Ltd.
Toshiba Carrier Co., Ltd.
International Classes:
G06F12/14; G06F21/60; G06F21/62; G06F21/79
Domestic Patent References:
| JP2118739A |
Other References:
基礎から学ぶLinux,日経バイト,日本,日経BP社,2001年 7月22日,第219号,p.114-p.119
海老原 祐太郎,SHマイコンボードにLinuxを移植した際の問題点の考察,Interface,日本,CQ出版株式会社,2002年10月 1日,第28巻,第10号,p.143-p.149
海老原 祐太郎,SHマイコンボードにLinuxを移植した際の問題点の考察,Interface,日本,CQ出版株式会社,2002年10月 1日,第28巻,第10号,p.143-p.149
Attorney, Agent or Firm:
Satoshi Kono
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Tetsuya Kazama
Katsumura Hiro
Shoji Kawai
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen
Makoto Nakamura
Kurata Masatoshi
Takashi Mine
Yoshihiro Fukuhara
Sadao Muramatsu
Ryo Hashimoto
Kurata Masatoshi
Satoshi Kono
Makoto Nakamura
Yoshihiro Fukuhara
Takashi Mine
Toshio Shirane
Sadao Muramatsu
Nobuhisa Nogawa
Kocho Chojiro
Naoki Kono
Katsu Sunagawa
Tetsuya Kazama
Katsumura Hiro
Shoji Kawai
Tatsushi Sato
Takashi Okada
Mihoko Horiuchi
Takenori Masanori
Takuzo Ichihara
Yamashita Gen