JPS6476306A - Reset controller - Google Patents

Reset controller

Info

Publication number
JPS6476306A
JPS6476306A JP62235555A JP23555587A JPS6476306A JP S6476306 A JPS6476306 A JP S6476306A JP 62235555 A JP62235555 A JP 62235555A JP 23555587 A JP23555587 A JP 23555587A JP S6476306 A JPS6476306 A JP S6476306A
Authority
JP
Japan
Prior art keywords
signal
reset
case
outputted
busy
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
JP62235555A
Other languages
Japanese (ja)
Other versions
JPH0823788B2 (en
Inventor
Masahiro Kawakatsu
Osamu Katakura
Kazuyoshi Okabe
Osamu Moriyama
Hideyuki Sugawara
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.)
Fujitsu Ltd
PFU Ltd
Original Assignee
Fujitsu Ltd
PFU 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 Fujitsu Ltd, PFU Ltd filed Critical Fujitsu Ltd
Priority to JP62235555A priority Critical patent/JPH0823788B2/en
Publication of JPS6476306A publication Critical patent/JPS6476306A/en
Publication of JPH0823788B2 publication Critical patent/JPH0823788B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Techniques For Improving Reliability Of Storages (AREA)

Abstract

PURPOSE:To avoid destruction of the memory contents by outputting a reset signal in case a memory interface busy signal is not outputted at the input of a reset request signal and then receiving a forcible reset permission signal for output of the reset signal in case said busy signal kept valid for a fixed time or longer. CONSTITUTION:An external reset request signal and a memory interface busy signal are supplied into a CPU 1 and a reset signal production part 11 produces a reset signal to reset a system. Then the part 11 outputs a reset signal in case no memory interface busy signal is outputted when the reset request signal is received. A forcible reset permission signal is received from a busy signal time monitor part 12 and the reset signal is outputted in case the busy signal is kept valid for a fixed time and longer. In such a way, the destruction of the memory contents can be avoided.
JP62235555A 1987-09-18 1987-09-18 Reset controller Expired - Lifetime JPH0823788B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62235555A JPH0823788B2 (en) 1987-09-18 1987-09-18 Reset controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62235555A JPH0823788B2 (en) 1987-09-18 1987-09-18 Reset controller

Publications (2)

Publication Number Publication Date
JPS6476306A true JPS6476306A (en) 1989-03-22
JPH0823788B2 JPH0823788B2 (en) 1996-03-06

Family

ID=16987719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62235555A Expired - Lifetime JPH0823788B2 (en) 1987-09-18 1987-09-18 Reset controller

Country Status (1)

Country Link
JP (1) JPH0823788B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003015780A (en) * 2001-07-02 2003-01-17 Seiko Epson Corp Power source controller and power source control method
WO2004092962A1 (en) * 2003-04-17 2004-10-28 Fujitsu Limited Semiconductor device, reset control system, and memory reset method
US6870786B2 (en) 2001-12-19 2005-03-22 Kabushiki Kaisha Toshiba Semiconductor device, nonvolatile semiconductor memory, system including a plurality of semiconductor devices or nonvolatile semiconductor memories, electric card including semiconductor device or nonvolatile semiconductor memory, and electric device with which this electric card can be used

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003015780A (en) * 2001-07-02 2003-01-17 Seiko Epson Corp Power source controller and power source control method
US6870786B2 (en) 2001-12-19 2005-03-22 Kabushiki Kaisha Toshiba Semiconductor device, nonvolatile semiconductor memory, system including a plurality of semiconductor devices or nonvolatile semiconductor memories, electric card including semiconductor device or nonvolatile semiconductor memory, and electric device with which this electric card can be used
US7123526B2 (en) 2001-12-19 2006-10-17 Kabushiki Kaisha Toshiba Semiconductor device, nonvolatile semiconductor memory, system including a plurality of semiconductor devices or nonvolatile semiconductor memories, electric card including semiconductor device or nonvolatile semiconductor memory, and electric device with which this electric card can be used
US7372761B2 (en) 2001-12-19 2008-05-13 Kabushiki Kaisha Toshiba Semiconductor device, nonvolatile semiconductor memory, system including a plurality of semiconductor devices or nonvolatile semiconductor memories, electric card including semiconductor device or nonvolatile semiconductor memory, and electric device with which this electric card can be used
WO2004092962A1 (en) * 2003-04-17 2004-10-28 Fujitsu Limited Semiconductor device, reset control system, and memory reset method

Also Published As

Publication number Publication date
JPH0823788B2 (en) 1996-03-06

Similar Documents

Publication Publication Date Title
JPS6446862A (en) Bus controller
MY102292A (en) Mode conversion of computer commands
JPS6476306A (en) Reset controller
JPS51135441A (en) Load control unit
JPS5495133A (en) Input/output processing control system
JPS6421561A (en) Processor controller
JPS6431252A (en) Data bus width transformer
JPS5247331A (en) Storage connection system
JPS54121026A (en) Input control system
JPS55116122A (en) Information processor
JPS5255350A (en) System recomposition control unit
JPS5566015A (en) Shared line state detection system
JPS6478320A (en) Data processing system
JPS54145447A (en) Input-output control system
JPS57109022A (en) Control system for common signal bus
JPS5493939A (en) Interruption control system
JPS57137938A (en) Data processor
JPS6476251A (en) Data bus terminal equipment
JPS5642829A (en) Input/output control system
JPS5760435A (en) Data transfer controlling system
JPS57139833A (en) Interruption controlling circuit
JPS6441951A (en) Dma controller
JPS6461875A (en) Picture processor
JPS57136240A (en) Peripheral device switching device
JPS6446899A (en) Picture display system