CN103166612B - Self-inspection treatment circuit structure in reset control circuit and reset control circuit device - Google Patents
Self-inspection treatment circuit structure in reset control circuit and reset control circuit device Download PDFInfo
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- CN103166612B CN103166612B CN201110419646.XA CN201110419646A CN103166612B CN 103166612 B CN103166612 B CN 103166612B CN 201110419646 A CN201110419646 A CN 201110419646A CN 103166612 B CN103166612 B CN 103166612B
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Abstract
The present invention relates to a kind of self-inspection treatment circuit structure be applied in reset control circuit, comprising self-inspection information storage module, self-inspection information capture module, self-inspection signal judgement module, self-inspection information response module.Adopt the self-inspection treatment circuit structure being applied to reset control circuit and the reset control circuit device of this kind of structure, the correct loading of self-inspection information greatly ensure that effective operation of system core node, thus effectively ensure that the reliability of system reset; Simultaneously, this circuit structure is in normal course of operation, meeting Real-Time Monitoring self-inspection information state, and accordingly accordingly action is responded to system, not only again ensure that the reliability (self-inspection information is correctly loaded into) of reset is simultaneously due to the Real-Time Monitoring of self-inspection information, when external interference has made self-inspection information make mistakes, self-inspection processing module can make response to this, system is resetted again, greatly improve the reliability of system cloud gray model, simple and practical, stable work in work, the scope of application is comparatively extensive.
Description
Technical field
The present invention relates to integrated circuit (IC) design field, particularly integrated circuit resets control technology field, specifically refer to a kind of the self-inspection treatment circuit structure and the reset control circuit device that are applied to reset control circuit.
Background technology
Reset circuit is design conventional in integrated circuit, its function is when after systems axiol-ogy to effective reset signal, system is carried out to the homing action of the overall situation, comprises the reset of system register, systemic presupposition value is loaded into, and program pointer points to the execution of multiple key node actions such as reseting vector.For chip design, due to varying of peripheral applications environment, actual operating conditions is complicated and simple different, require that circuit has higher reliability, the particularly design of reset circuit, if system is just unreliable in initial reseting procedure, so cannot ensure system worked well.
In the design of reset circuit, usual drawing-in system Warm-up Counters in prior art, guarantee system completes homing action after counting down to certain numerical value.But this design, under the environment for use running into strong interference, may cause counting of abnormal, make system exit reset mode in advance, or just exit reset mode when the everything in not having completion system to reset, such reset is insecure.
Therefore, prior art in how ensureing that all key nodes of reseting procedure are all effectively performed, Shortcomings.
Summary of the invention
The object of the invention is to overcome above-mentioned shortcoming of the prior art, the reliability provide a kind of and can realize real-time monitoring to reseting procedure, effectively improving system reset, the self-inspection treatment circuit structure that simple and practical, stable work in work, the scope of application are comparatively widely used in reset control circuit and reset control circuit device.
In order to realize above-mentioned object, of the present invention be applied to reset control circuit self-inspection treatment circuit structure and reset control circuit device there is following formation:
This is applied to the self-inspection treatment circuit structure in reset control circuit, and its principal feature is, described circuit structure comprises:
Self-inspection information storage module, for the self-inspection information stored and reset relevant;
Self-inspection information capture module, is connected with described self-inspection information storage module, for reading the self-inspection information in this self-inspection information storage module;
Whether self-inspection signal judgement module, is connected with described self-inspection information capture module, correct for judging the self-inspection information read; And
Self-inspection information response module, is connected with described self-inspection signal judgement module, for responding the result that this self-inspection signal judgement module is formed.
This self-inspection information storage module be applied in the self-inspection treatment circuit structure in reset control circuit comprises:
Self-inspection information memory cell, stores and the relevant self-inspection information that resets;
Address decoding circuitry, is connected with described self-inspection information memory cell, takes out the self-inspection information of designated storage location according to address signal.
This self-inspection information capture module be applied in the self-inspection treatment circuit structure in reset control circuit comprises:
Address generation unit, record trigger pip sequence also forms corresponding address information, and this address information is passed to described self-inspection information storage module;
Data buffer storage unit, is connected with described self-inspection information storage module, carries out the buffer memory of data message.
This self-inspection signal judgement module be applied in the self-inspection treatment circuit structure in reset control circuit comprises:
Decision logic circuit unit, is connected with described self-inspection information capture module, the self-inspection information after catching is carried out Logic judgment process, and forms real-time judge result;
Data buffer storage unit, is responsible in decision node, record real-time judge result, forms fixed point judged result, and this judged result is delivered to described self-inspection information response module.
This self-inspection information response module be applied in the self-inspection treatment circuit structure in reset control circuit comprises:
Trigger pip selects module, and the current state of the system controlled according to reset control circuit selects trigger pip to be fixed point judged result or real-time judge result;
Reset detection module, detects effective reset signal, triggers completion system reset response.
This has the reset control circuit device of above-mentioned circuit structure, and its principal feature is, also have multiple control bit circuit in described device, described reset control circuit comprises:
Reset detection module, the responsible effective reset signal extracted in the system controlled;
Reset procedure processing module, all be connected with described self-inspection information storage module, self-inspection information capture module, self-inspection signal judgement module, self-inspection information response module, the effective reset signal that reset detection module described in reception exports, complete reset procedure, and export response message after reset procedure terminates;
Reset and terminate module, the response message of the reset procedure processing module described in reception, and terminate the process of whole reset.
Have employed the self-inspection treatment circuit structure being applied to reset control circuit and the reset control circuit device of this invention, due to the existence of self-inspection treatment circuit structure, system cannot normally work before the self-inspection information that correct loading is preset, and the loading of self-inspection information and key node place action in system reset are synchronously carried out, the correct loading of therefore self-inspection information greatly ensure that effective operation of system core node, thus effectively ensure that the reliability of system reset; Simultaneously, this circuit structure is in normal course of operation, meeting Real-Time Monitoring self-inspection information state, and accordingly accordingly action is responded to system, not only again ensure that the reliability (self-inspection information is correctly loaded into) of reset is simultaneously due to the Real-Time Monitoring of self-inspection information, when external interference has made self-inspection information make mistakes, self-inspection processing module can make response to this, system is resetted again, greatly improve the reliability of system cloud gray model, simple and practical, stable work in work, the scope of application is comparatively extensive.
Accompanying drawing explanation
Fig. 1 is the circuit function module schematic diagram with the reset control circuit device of self-inspection treatment circuit structure of the present invention.
Fig. 2 is the self-inspection information capture principle of work schematic diagram in the reset control circuit device with self-inspection treatment circuit structure of the present invention.
Fig. 3 is that the self-inspection information in the reset control circuit device with self-inspection treatment circuit structure of the present invention judges principle of work schematic diagram.
Fig. 4 is the self-inspection information response principle of work schematic diagram in the reset control circuit device with self-inspection treatment circuit structure of the present invention.
Embodiment
In order to more clearly understand technology contents of the present invention, describe in detail especially exemplified by following examples.
Refer to shown in Fig. 1 to Fig. 4, this is applied to the self-inspection treatment circuit structure in reset control circuit, and wherein, described circuit structure comprises:
(1) self-inspection information storage module, for the self-inspection information stored and reset relevant; This self-inspection information storage module comprises:
● self-inspection information memory cell, stores and the relevant self-inspection information that resets;
● address decoding circuitry, is connected with described self-inspection information memory cell, takes out the self-inspection information of designated storage location according to address signal;
(2) self-inspection information capture module, is connected with described self-inspection information storage module, for reading the self-inspection information in this self-inspection information storage module; This self-inspection information capture module comprises:
● address generation unit, record trigger pip sequence also forms corresponding address information, and this address information is passed to described self-inspection information storage module;
● data buffer storage unit, is connected with described self-inspection information storage module, carries out the buffer memory of data message;
(3) whether self-inspection signal judgement module, is connected with described self-inspection information capture module, correct for judging the self-inspection information read; This self-inspection signal judgement module comprises:
● decision logic circuit unit, is connected with described self-inspection information capture module, the self-inspection information after catching is carried out Logic judgment process, and forms real-time judge result;
● data buffer storage unit, be responsible in decision node, record real-time judge result, form fixed point judged result, and this judged result is delivered to described self-inspection information response module;
(4) self-inspection information response module, is connected with described self-inspection signal judgement module, and for responding the result that this self-inspection signal judgement module is formed, this self-inspection information response module comprises:
● trigger pip selects module, and the current state of the system controlled according to reset control circuit selects trigger pip to be fixed point judged result or real-time judge result;
● reset detection module, detects effective reset signal, triggers completion system reset response.
This has the reset control circuit device of above-mentioned circuit structure, and wherein also have multiple control bit circuit, described reset control circuit comprises:
● reset detection module, the responsible effective reset signal extracted in the system controlled;
● reset procedure processing module, all be connected with described self-inspection information storage module, self-inspection information capture module, self-inspection signal judgement module, self-inspection information response module, the effective reset signal that reset detection module described in reception exports, complete reset procedure, and export response message after reset procedure terminates;
● reset and terminate module, the response message of the reset procedure processing module described in reception, and terminate the process of whole reset.
In the middle of reality uses, self-inspection treatment circuit provided by the present invention, comprising:
(1) self-inspection information storage module, for the self-inspection information stored and reset relevant, memory module can be that memory element in system is as the memory element such as MASKROM, EPPROM, FLASH or even fuse, the memory capacity of memory element is at least 2 bits or two more than bits, actual design quantity can be determined according to the key node quantity in system resource configuration and reset procedure, self-inspection information is more, and improved effect is better;
(2) self-inspection information capture module, for reading the self-inspection information in memory module, comprise readout sequence generation module and information temporary storage module, the occurrence time of its readout sequence be in system reset process, be specially and access synchronous with system core nodal information, complete the temporary of self-inspection information simultaneously, use for follow-up judge module.The theory that arranges of catching number of nodes is no less than key node number in system reset process;
(3) self-inspection signal judgement module, whether correct for judging the self-inspection information read; The judgement of self-inspection information can act on whole reseting period, during also can acting on system worked well.When acting on reseting period, its judgement opportunity is that after self-inspection information reads, before reset procedure terminates, and the judging point that can arrange more than 1 or 1 realizes judging more reliably.When acting on normal work period, its judgement is real-time (judged result is according to the self-inspection information real-time change of catching).
(4) self-inspection information response module, for responding the result that judge module is formed.Its response signal can influential system reset procedure or the normal progress of work.When system is in reseting procedure, self-inspection respond module can realize again resetting to system according to the result judged or influential system does not reset two kinds of results; When system is in the normal progress of work, self-inspection respond module can realize again resetting to system according to the result judged or the not normal progress of work of influential system two kinds of results.
When in system reset process without any exception, self-inspection processing module is influential system process not;
Abnormal when occurring in system reset process, cause the not effectively reading of certain key node, the failure of self-inspection acquisition of information, self-inspection responding system will be formed with effect system reset signal, restart reset procedure, until get the default self-inspection information of specifying, system just can complete reset procedure, enters normal operating conditions;
In normal procedure, the self-inspection information real-time change that basis is caught by judged result, respond module will according to judged result real-time update system state, if the self-inspection information of catching in normal system operation is correct and not change, then system keeps normal operating condition;
As system exception resets, directly skipped the loading process of self-inspection information, entered normal mode of operation, now system will return reset procedure immediately;
Self-inspection information as caught in course of normal operation is subject to abnormal interference and there occurs change, and system will return reset procedure immediately.
Refer to shown in Fig. 1, it is that the reset circuit structure of improvement of the present invention comprises:
(1) general reset circuit 104 comprises: reset detection module 101, reset procedure processing module 102, resets and terminates module 103.Reset detection module 101 is responsible for reset signal effective in extraction system, and effective reset signal is passed to reset procedure processing module 102, carry out the main steps of reset, after reset procedure terminates, transmission corresponding information enters to reset and terminates module 103 by reset procedure processing module, reset and terminate module 103 by terminating the process of whole reset according to the information received, make systematic evaluation in normal operating conditions.
(2) self-inspection processing module 109 comprises: self-inspection information storage module 105, self-inspection information capture module 106, self-inspection signal judgement module 107, self-inspection information response module 108.In reset procedure, self-inspection information capture module 106 will obtain self-inspection information at all system core synchronisation of nodes opportunity from self-inspection information storage module 105, and this information is passed to self-inspection signal judgement module 107, self-inspection judge module 107 completes judgement and the storage of information, the judged result of formation is transferred to self-inspection information response module 108, self-inspection information response module 108 makes respective response action according to the state of accepted judged result and system.
(3) self-inspection information storage module 105 comprises: address decoding circuitry 110, self-inspection information 111.Address decoding circuitry 110 is responsible for the self-inspection information of taking out assigned address according to address signal.
(4) self-inspection information capture module 106 comprises: module 112 occurs in address, data cache module 113.The information that trapping module 106 detection system key node is formed, and this signal is converted into the trigger pip of home address generation module 112, there is module 112 and record trigger pip sequence and form corresponding address information in address, and this address information is passed to self-inspection information storage module 105, by address decoding circuitry 110, take out corresponding self-inspection information 111.Self-inspection information is connected to self-inspection information capture module 106, and the data cache module 113 in trapping module 106 completes the buffer memory of data, thus obtains the self-inspection information 1 ~ N after catching, and the self-inspection information after catching imports the process of self-inspection signal judgement module again into.
(5) self-inspection signal judgement module 107 comprises: decision logic circuit 115 and data cache module 114.Self-inspection information 1 ~ N after catching is carried out Logic judgment process and forms real-time judge result by decision logic circuit 115, data cache module 114 is responsible in decision node, record real-time judge result, form fixed point judged result, according to the difference of decision node, system can form N number of real-time judge result and N number of fixed point judged result, and two groups of sentence read result will transfer to self-inspection information response module 108.
(6) self-inspection information response module 108 comprises: trigger pip selects module 116 and reset detection module 101. trigger pip to select module 116 state (reset mode/normal operating conditions) current according to system to select trigger pip to be fixed point judged result/real-time judge result, reset detection module 101 is responsible for detecting effective reset signal, triggers completion system reset response.
Refer to shown in Fig. 2, it is self-inspection information capture principle schematic again.
As shown in Figure 2, in this embodiment, N number of key node is there is in reset procedure, at each key node place, according to the sequence information of key node, module 112 can be there is by the address of inside and forms corresponding address information, and this address information is passed to self-inspection information storage module 105 in self-inspection information capture module 106, by the address decoding circuitry 110 of inside, take out corresponding self-inspection information 111.Self-inspection information is connected to self-inspection information capture module 106, and the data cache module 113 in trapping module 106 completes the buffer memory of data, thus obtains the self-inspection information 1 ~ N after catching.
Refer to shown in Fig. 3, it judges principle schematic for self-inspection information again.
As shown in Figure 3, in this embodiment, self-inspection information 1 ~ N after catching is delivered to self-inspection signal judgement module 107 by system, self-inspection information 1 ~ N after catching is carried out Logic judgment process and forms real-time judge result by decision logic circuit 115, data cache module 114 is responsible in decision node, record real-time judge result, form fixed point judged result, according to the difference of decision node, system can form N number of real-time judge result and N number of fixed point judged result
Refer to shown in Fig. 4, it is self-inspection information response principle schematic again.
As shown in Figure 4, in this embodiment, formation two groups of judged results (real-time judge result and fixed point judged result) are delivered to self-inspection information response module 108 by system, and trigger pip selects module 116 state (reset mode/normal operating conditions) current according to system to select trigger pip to be fixed point judged result/real-time judge result:
When system is in reset mode, trigger pip selects module 116 gating fixed point judged result;
When system is in normal operating conditions, trigger pip selects module 116 gating real-time judge result.After reset detection module 101 detects effective reset signal, triggering system resets.Self-inspection information response module 108 makes following response action according to the state of accepted judged result and system:
Reseting procedure is normal, self-inspection information response module 108 not influential system normal procedure;
Reseting procedure abnormal (self-inspection judged result is abnormal), self-inspection information response module 108 will make system re-execute homing action;
In course of normal operation, self-inspection information is disturbed and changes, and self-inspection information response module 108 will make system re-execute homing action;
Due to the intervention of self-inspection processing module, system cannot normally work before the self-inspection information that correct loading is preset, and the loading of self-inspection information and key node place action in system reset are synchronously carried out, the correct loading of therefore self-inspection information greatly ensure that system core node effectively runs, and effectively ensure that the reliability of system reset.In addition in normal course of operation, when system interference is greatly to the degree making the self-inspection information in buffer memory make mistakes, now can not ensure the reliability of system, self-inspection information response module will make system re-execute homing action, thus greatly improve the reliability of system.
Have employed the above-mentioned self-inspection treatment circuit structure being applied to reset control circuit and reset control circuit device, due to the existence of self-inspection treatment circuit structure, system cannot normally work before the self-inspection information that correct loading is preset, and the loading of self-inspection information and key node place action in system reset are synchronously carried out, the correct loading of therefore self-inspection information greatly ensure that effective operation of system core node, thus effectively ensure that the reliability of system reset; Simultaneously, this circuit structure is in normal course of operation, meeting Real-Time Monitoring self-inspection information state, and accordingly accordingly action is responded to system, not only again ensure that the reliability (self-inspection information is correctly loaded into) of reset is simultaneously due to the Real-Time Monitoring of self-inspection information, when external interference has made self-inspection information make mistakes, self-inspection processing module can make response to this, system is resetted again, greatly improve the reliability of system cloud gray model, simple and practical, stable work in work, the scope of application is comparatively extensive.
In this description, the present invention is described with reference to its specific embodiment.But, still can make various amendment and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (2)
1. be applied to the self-inspection treatment circuit structure in reset control circuit, it is characterized in that, described circuit structure comprises:
Self-inspection information storage module, for the self-inspection information stored and reset relevant, wherein, described self-inspection information storage module comprises: self-inspection information memory cell, stores and the relevant self-inspection information that resets; Address decoding circuitry, is connected with described self-inspection information memory cell, takes out the self-inspection information of designated storage location according to address signal;
Self-inspection information capture module, be connected with described self-inspection information storage module, for reading the self-inspection information in this self-inspection information storage module, wherein, described self-inspection information capture module comprises: address generation unit, record trigger pip sequence also forms corresponding address information, and this address information is passed to described self-inspection information storage module; Data buffer storage unit, is connected with described self-inspection information storage module, carries out the buffer memory of data message;
Self-inspection signal judgement module, be connected with described self-inspection information capture module, whether correct for judging the self-inspection information read, wherein, described self-inspection signal judgement module comprises: decision logic circuit unit, be connected with described self-inspection information capture module, the self-inspection information after catching carried out Logic judgment process, and forms real-time judge result; Data buffer storage unit, is responsible in decision node, record real-time judge result, forms fixed point judged result, and this judged result is delivered to self-inspection information response module; And
Self-inspection information response module, be connected with described self-inspection signal judgement module, for responding the result that this self-inspection signal judgement module is formed, wherein, described self-inspection information response module comprises: trigger pip selection unit, and the current state of the system controlled according to reset control circuit selects trigger pip to be fixed point judged result or real-time judge result; Reset detection unit, detects effective reset signal, triggers completion system reset response.
2. have a reset control circuit device for circuit structure according to claim 1, it is characterized in that, also have reset control circuit in described device, described reset control circuit comprises:
Reset detection module, the responsible effective reset signal extracted in the system controlled;
Reset procedure processing module, all be connected with described self-inspection information storage module, self-inspection information capture module, self-inspection signal judgement module, self-inspection information response module, the effective reset signal that reset detection module described in reception exports, complete reset procedure, and export response message after reset procedure terminates;
Reset and terminate module, the response message of the reset procedure processing module described in reception, and terminate the process of whole reset.
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| CN201110419646.XA CN103166612B (en) | 2011-12-15 | 2011-12-15 | Self-inspection treatment circuit structure in reset control circuit and reset control circuit device |
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| CN201110419646.XA CN103166612B (en) | 2011-12-15 | 2011-12-15 | Self-inspection treatment circuit structure in reset control circuit and reset control circuit device |
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| CN103166612B true CN103166612B (en) | 2016-03-30 |
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| JP2008176569A (en) * | 2007-01-18 | 2008-07-31 | Oki Electric Ind Co Ltd | Reset circuit and data transfer control circuit |
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| CN101025700A (en) * | 2006-02-21 | 2007-08-29 | 中兴通讯股份有限公司 | Abnormal reset system protection method and reset protection system |
| CN101110857A (en) * | 2007-08-28 | 2008-01-23 | 中兴通讯股份有限公司 | Veneer reposition monitoring method |
| CN101739021A (en) * | 2008-11-14 | 2010-06-16 | 北京谊安医疗系统股份有限公司 | Equipment self-inspection control device |
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