JPS61164551U - - Google Patents
Info
- Publication number
- JPS61164551U JPS61164551U JP4655185U JP4655185U JPS61164551U JP S61164551 U JPS61164551 U JP S61164551U JP 4655185 U JP4655185 U JP 4655185U JP 4655185 U JP4655185 U JP 4655185U JP S61164551 U JPS61164551 U JP S61164551U
- Authority
- JP
- Japan
- Prior art keywords
- external
- program counter
- address
- setting
- memory device
- 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 1
Landscapes
- Retry When Errors Occur (AREA)
- Microcomputers (AREA)
Description
第１図は本考案の一実施例によるマイクロプロ
セツサのブロツク図である。
１……特定アドレス設定用外部Ｉ／Ｏまたはメ
モリ装置、２……特定アドレス設定用回路、３…
…プログラムカウンタ、４……マイクロプロセツ
サのアドレスバツフア、５……マイクロプロセツ
サのデータバツフア、６……マイクロプロセツサ
、７……再実行時アドレスでアクセスされる外部
Ｉ／Ｏまたはメモリ、Ｓ……特定アドレス設定用
信号、ＲＤ……読み出し制御信号、Ａ０……特定
アドレス、Ｄ……マイクロプロセツサのデータバ
ス、Ａ１……再実行開始アドレス値。
FIG. 1 is a block diagram of a microprocessor according to an embodiment of the present invention. 1...External I/O or memory device for specific address setting, 2...Circuit for specific address setting, 3...
...Program counter, 4...Address buffer of microprocessor, 5...Data buffer of microprocessor, 6...Microprocessor, 7...External I/O or memory accessed by address during re-execution, S ...Specific address setting signal, RD...Read control signal, A0 ...Specific address, D...Microprocessor data bus, A1 ...Re-execution start address value.
Claims (1)
ウンタに外部Ｉ／Ｏまたはメモリ装置を動作させ
るためのアドレスを設定する手段と、前記アドレ
スに応じて前記外部Ｉ／Ｏまたはメモリ装置から
読み出されたデータを前記プログラムカウンタに
設定する回路を有することを特徴とするマイクロ
プロセツサ。 means for setting an address for operating an external I/O or memory device in a program counter in response to an external stop release signal; and data read from the external I/O or memory device in accordance with the address. 1. A microprocessor comprising a circuit for setting the program counter to the program counter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4655185U JPS61164551U (en) | 1985-03-29 | 1985-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4655185U JPS61164551U (en) | 1985-03-29 | 1985-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61164551U true JPS61164551U (en) | 1986-10-13 |
Family
ID=30561053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4655185U Pending JPS61164551U (en) | 1985-03-29 | 1985-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61164551U (en) |
-
1985
- 1985-03-29 JP JP4655185U patent/JPS61164551U/ja active Pending
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