JPH02145462U - - Google Patents
Info
- Publication number
- JPH02145462U JPH02145462U JP5386289U JP5386289U JPH02145462U JP H02145462 U JPH02145462 U JP H02145462U JP 5386289 U JP5386289 U JP 5386289U JP 5386289 U JP5386289 U JP 5386289U JP H02145462 U JPH02145462 U JP H02145462U
- Authority
- JP
- Japan
- Prior art keywords
- memory card
- writer
- reader
- memory
- input
- 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
- 230000015654 memory Effects 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Credit Cards Or The Like (AREA)
Description
第１図ないし第３図は本考案の一実施例にかか
り、第１図は１６ビツトデータ用リーダライタと
ＩＣメモリカードとの接続状態を示す回路図、第
２図はＩＣメモリカードへのデータ書き込み動作
に供するタイムチヤート、第３図は８ビツトデー
タ用リーダライタとＩＣメモリカードとの接続状
態を示す回路図である。
１０…ＩＣメモリカード、１３…第１メモリ、
１４…第２メモリ、２０…入出力インタフエース
、２１…制御回路、２４…ＮＯＴ回路。
Figures 1 to 3 show an embodiment of the present invention; Figure 1 is a circuit diagram showing the connection state between a 16-bit data reader/writer and an IC memory card, and Figure 2 is a circuit diagram showing the connection state between a 16-bit data reader/writer and an IC memory card. FIG. 3 is a circuit diagram showing the connection state between the 8-bit data reader/writer and the IC memory card. 10...IC memory card, 13...first memory,
14...Second memory, 20...I/O interface, 21...Control circuit, 24...NOT circuit.
Claims (1)
の間でデータの授受を行うリーダライタとからな
り、このリーダライタには前記ＩＣメモリカード
が着脱自在に装着される入出力インタフエースが
設けられたＩＣメモリカードシステムにおいて、 前記ＩＣメモリカードが、複数の独立した８ビ
ツトデータ用メモリを備えているとともに、前記
入出力インタフエースが、前記リーダライタと前
記ＩＣメモリカードの複数のメモリのうちのいず
れかとの間でデータ授受を行わせるためにメモリ
を選択指定する選択指定手段を備えていることを
特徴とするＩＣメモリカードシステム。[Claim for Utility Model Registration] Consisting of an IC memory card and a reader/writer that exchanges data with the IC memory card, the reader/writer has an input/output device to which the IC memory card is removably attached. In the IC memory card system provided with an interface, the IC memory card is provided with a plurality of independent 8-bit data memories, and the input/output interface is configured to connect the reader/writer and the plurality of IC memory cards. 1. An IC memory card system comprising selection and designation means for selecting and designating a memory to perform data exchange with any one of the memories.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5386289U JPH02145462U (en) | 1989-05-09 | 1989-05-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5386289U JPH02145462U (en) | 1989-05-09 | 1989-05-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02145462U true JPH02145462U (en) | 1990-12-10 |
Family
ID=31575415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5386289U Pending JPH02145462U (en) | 1989-05-09 | 1989-05-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02145462U (en) |
-
1989
- 1989-05-09 JP JP5386289U patent/JPH02145462U/ja active Pending
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