Invention Grant
US5619643A Circuit for detecting a fault state in a clock signal for microprocessor
electronic devices
失效
用于检测微处理器电子设备的时钟信号中的故障状态的电路
- Patent Title: Circuit for detecting a fault state in a clock signal for microprocessor electronic devices
- Patent Title (中): 用于检测微处理器电子设备的时钟信号中的故障状态的电路
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Application No.: US414919Application Date: 1995-03-31
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Publication No.: US5619643APublication Date: 1997-04-08
- Inventor: Angelo Moroni , Flavio Scarra , Alberto Taddeo
- Applicant: Angelo Moroni , Flavio Scarra , Alberto Taddeo
- Applicant Address: ITX
- Assignee: SGS-Thomson Microelectronics, S.R.L.
- Current Assignee: SGS-Thomson Microelectronics, S.R.L.
- Current Assignee Address: ITX
- Priority: EPX94830506 19941027
- Main IPC: G06F11/30
- IPC: G06F11/30 ; G06F1/04 ; G06F11/00 ; H03K5/19
Abstract:
A circuit for generation of a reset signal in an electronic device, of the type comprising a microprocessor interlocked with a circuit generating a clock signal and memories of both the volatile type and the non-volatile type, is capable of detecting a stop in the oscillation of said clock signal and generating a logic signal coupled with the reset input of the microprocessor.
Public/Granted literature
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