JPS6174154U - - Google Patents
Info
- Publication number
- JPS6174154U JPS6174154U JP15948684U JP15948684U JPS6174154U JP S6174154 U JPS6174154 U JP S6174154U JP 15948684 U JP15948684 U JP 15948684U JP 15948684 U JP15948684 U JP 15948684U JP S6174154 U JPS6174154 U JP S6174154U
- Authority
- JP
- Japan
- Prior art keywords
- chip
- card
- microcomputer chip
- microcomputer
- address bus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Credit Cards Or The Like (AREA)
Description
図面は本考案の一実施例を示すものであり、第
1図は本考案のICカード内に組み込まれるIC
モジユールにおけるマイクロコンピユーターチツ
プとメモリーチツプ間のアドレスバスの接続状態
を示すモデル図、第2図は本考案を適用した場合
のアドレスバスの配線パターンを示す説明図、第
3図は従来のアドレスバスの接続状態を示すモデ
ル図、第4図は従来のアドレスバスの配線パター
ンを示す説明図である。
1…マイクロコンピユーターチツプ、2…メモ
リーチツプ、3…アドレス線、C…ICカード、
M…ICモジユール。
The drawings show one embodiment of the present invention, and FIG. 1 shows an IC incorporated in the IC card of the present invention.
A model diagram showing the connection state of the address bus between the microcomputer chip and the memory chip in the module, Figure 2 is an explanatory diagram showing the wiring pattern of the address bus when the present invention is applied, and Figure 3 is the diagram of the conventional address bus. A model diagram showing the connection state, and FIG. 4 is an explanatory diagram showing the wiring pattern of a conventional address bus. 1...Microcomputer chip, 2...Memory chip, 3...Address line, C...IC card,
M...IC module.
Claims (1)
ンピユーターチツプに接続された少くとも1個の
メモリーチツプとを有するICカードにおいて、
マイクロコンピユーターチツプとメモリーチツプ
間のアドレスバスの接続を正規の接続時のポート
とは異なるポート間にて施すことを特徴とするI
Cカード。 An IC card having a microcomputer chip and at least one memory chip connected to the microcomputer chip,
I characterized in that the address bus connection between the microcomputer chip and the memory chip is performed between ports different from those used for normal connection.
C card.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15948684U JPS6174154U (en) | 1984-10-19 | 1984-10-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15948684U JPS6174154U (en) | 1984-10-19 | 1984-10-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6174154U true JPS6174154U (en) | 1986-05-20 |
Family
ID=30717442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15948684U Pending JPS6174154U (en) | 1984-10-19 | 1984-10-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6174154U (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4839141A (en) * | 1971-09-21 | 1973-06-08 | ||
JPS55151683A (en) * | 1979-05-14 | 1980-11-26 | Nippon Electric Co | Integrated circuit unit controlling system |
-
1984
- 1984-10-19 JP JP15948684U patent/JPS6174154U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4839141A (en) * | 1971-09-21 | 1973-06-08 | ||
JPS55151683A (en) * | 1979-05-14 | 1980-11-26 | Nippon Electric Co | Integrated circuit unit controlling system |
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