JPS59218526A - Cpu切換回路 - Google Patents

Cpu切換回路

Info

Publication number
JPS59218526A
JPS59218526A JP58091428A JP9142883A JPS59218526A JP S59218526 A JPS59218526 A JP S59218526A JP 58091428 A JP58091428 A JP 58091428A JP 9142883 A JP9142883 A JP 9142883A JP S59218526 A JPS59218526 A JP S59218526A
Authority
JP
Japan
Prior art keywords
cpu
signal
input
terminal
output
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.)
Granted
Application number
JP58091428A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0522248B2 (enrdf_load_stackoverflow
Inventor
Hiromitsu Yagi
八木 広満
Toyofumi Takahashi
豊文 高橋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Co Ltd
Original Assignee
Ricoh Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ricoh Co Ltd filed Critical Ricoh Co Ltd
Priority to JP58091428A priority Critical patent/JPS59218526A/ja
Publication of JPS59218526A publication Critical patent/JPS59218526A/ja
Publication of JPH0522248B2 publication Critical patent/JPH0522248B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Microcomputers (AREA)
  • Hardware Redundancy (AREA)
JP58091428A 1983-05-26 1983-05-26 Cpu切換回路 Granted JPS59218526A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58091428A JPS59218526A (ja) 1983-05-26 1983-05-26 Cpu切換回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58091428A JPS59218526A (ja) 1983-05-26 1983-05-26 Cpu切換回路

Publications (2)

Publication Number Publication Date
JPS59218526A true JPS59218526A (ja) 1984-12-08
JPH0522248B2 JPH0522248B2 (enrdf_load_stackoverflow) 1993-03-29

Family

ID=14026099

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58091428A Granted JPS59218526A (ja) 1983-05-26 1983-05-26 Cpu切換回路

Country Status (1)

Country Link
JP (1) JPS59218526A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6214271A (ja) * 1985-07-11 1987-01-22 Aruyume Kk デ−タ収集装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145448A (en) * 1978-05-06 1979-11-13 Toshiba Corp Input-output control ststem

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54145448A (en) * 1978-05-06 1979-11-13 Toshiba Corp Input-output control ststem

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6214271A (ja) * 1985-07-11 1987-01-22 Aruyume Kk デ−タ収集装置

Also Published As

Publication number Publication date
JPH0522248B2 (enrdf_load_stackoverflow) 1993-03-29

Similar Documents

Publication Publication Date Title
US5546563A (en) Single chip replacement upgradeable computer motherboard with enablement of inserted upgrade CPU chip
US9069911B2 (en) Data processing system and data processor
US5551012A (en) Single socket upgradeable computer motherboard with automatic detection and socket reconfiguration for inserted CPU chip
JPS59200326A (ja) データ処理装置
JPS59218526A (ja) Cpu切換回路
US5473766A (en) Signal routing circuit for interchangeable microprocessor socket
US6052746A (en) Integrated circuit having programmable pull device configured to enable/disable first function in favor of second function according to predetermined scheme before/after reset
JPS599306Y2 (ja) デ−タ処理装置
JPH0318963Y2 (enrdf_load_stackoverflow)
JPH0435941Y2 (enrdf_load_stackoverflow)
JPH0465781A (ja) 入出力ポート制御回路
WO2001038997A1 (en) Computer module and motherboard
JP3009236B2 (ja) デバイスの活性保守方式
KR100318929B1 (ko) 키폰시스템에서클럭자동절체회로
JPH04140810A (ja) 情報処理装置
JPS59191647A (ja) デ−タ処理システムにおけるシリアルi/o
JPS6020224A (ja) 半導体集積回路装置
KR960009050Y1 (ko) 컴퓨터 플로피 디스크 드라이버의 선택회로(circuit for selecting floppy disk driver of computer)
JP2001325243A (ja) マイクロコンピュータ装置
GB2356715A (en) Single board computer module
JPS62239259A (ja) マイクロコンピユ−タ
JP2002084182A (ja) システム制御用回路
JPS5969858A (ja) Lsiプロセツサ
JPH04117585A (ja) マイクロコンピュータ
JPH11120024A (ja) ソフトウェア開発用チップ