CN108415866A - Intelligent platform management controller - Google Patents
Intelligent platform management controller Download PDFInfo
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- CN108415866A CN108415866A CN201810162302.7A CN201810162302A CN108415866A CN 108415866 A CN108415866 A CN 108415866A CN 201810162302 A CN201810162302 A CN 201810162302A CN 108415866 A CN108415866 A CN 108415866A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
- G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0016—Inter-integrated circuit (I2C)
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0024—Peripheral component interconnect [PCI]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
Abstract
The present invention provides a kind of intelligent platform management controller, are applied to standard ATCA architecture platforms, which is electrically connected with veneer power supply unit, sensor unit and Payload units；The intelligent platform management controller includes：Protocol processing unit, logical extension interface unit；The protocol processing unit is electrically connected with the logical extension interface unit by FSMC buses and PS timing bus；The protocol processing unit is electrically connected by UART buses and the Payload units, and the logical extension interface unit is electrically connected by Local BUS buses and the Payload units；The protocol processing unit is electrically connected with the veneer power supply unit with the logical extension interface unit；The protocol processing unit is electrically connected with the sensor unit；The test side of the veneer power supply unit is connect with the A/D modules of the protocol processing unit.
Description
Technical field
The invention belongs to data communication technology fields, and in particular to intelligent platform management controller.
Background technology
ATCA (Advanced Telecom Computing Architecture) standard, that is, advanced telecommunications calculates flat
Platform, it is PICMG (PCI Industrial Computer Manufacturer's Group, PCI Industrial Computer Manufacturers
Federation) the industrial computer framework of new generation released based on CPCI standards of tissue is converged communication, data network, computer
The application fields such as server provide new standardized platform, have the characteristics that structural module, compatibility is strong, autgmentability is high.
ATCA defines a series of unified standard, including the interconnection of machine frame structure, power management, radiating management, backboard and system pipes
The core specification PICMG 3.x of reason, while having formulated 5 auxiliary specifications of point-to-point communication.System administration includes machine frame management
One on the components such as unit (Shelf Manage Control, ShMC) and each veneer, power module, fan insert frame
A intelligent platform management controller (Intelligent Platform Management Controller, abbreviation IPMC) is single
Member is communicated by Intelligent Platform Management Interface (IPMI), exchanges facility information, the sensor/state-event of each veneer/component
Deng, corresponding instruction is issued in time, and powerful effect is provided for machine system management, the peace of the system operation greatly improved
Quan Xing, stability and robustness.Currently on the market the intelligent platform management controller chip of mainstream or scheme there are it is of high cost,
The weak problem of poor reliability, compatibility.
Invention content
In view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of intelligent platform management controller, for gram
The shortcomings that taking in the prior art.
Specifically, an embodiment of the present invention provides a kind of intelligent platform management controller, it is flat to be applied to standard ATCA frameworks
Platform, the intelligent platform management controller are electrically connected with veneer power supply unit, sensor unit and Payload units；The intelligence
Platform Management Controller includes：Protocol processing unit, logical extension interface unit；
The protocol processing unit is electrically connected with the logical extension interface unit by FSMC buses and PS timing bus
It connects；The protocol processing unit is electrically connected by UART buses and the Payload units, the logical extension interface unit
It is electrically connected by Local BUS buses and the Payload units；The protocol processing unit and the logical extension interface
Unit is electrically connected with the veneer power supply unit；The protocol processing unit is electrically connected with the sensor unit；Institute
The test side for stating veneer power supply unit is connect with the A/D modules of the protocol processing unit.
As a further improvement of the above technical scheme, the protocol processing unit is arm processor.
As a further improvement of the above technical scheme, the logical extension interface unit is FPGA.
As a further improvement of the above technical scheme, the logical extension interface unit also by double IPMB buses with
ATCA backboards are electrically connected.
As a further improvement of the above technical scheme, the ATCA backboards are divided into 3 functional areas, the first functional area
For powering and IPMB bus communications；Second functional area is used for base optical interfaces, fabric optical interfaces and synchronised clock；Third
Functional area is for producer to be self-defined and RTM plate Function Extensions；The logical extension interface unit is connected by Zone1 power supplys
First functional area of device and the ATCA backboards is electrically connected.
As a further improvement of the above technical scheme, the protocol processing unit includes：Main program cycle module, IPMC
Standard agreement module, sensor acquisition and threshold value judgment module, power management control module, power supply status acquisition module, logic
Expanding element upgraded module, FSMC main control modules, interruption processing module, Flash control modules.
As a further improvement of the above technical scheme, the logical extension interface unit includes：I2C master/slaves
Module, I/O extensions logic module, power management control module, FSMC controller modules, Local BUS controller modules, deposit
Device accesses Coordination module, interrupts application module and bus extender module.
As a further improvement of the above technical scheme, the sensor unit includes：Temperature sensor.
As a further improvement of the above technical scheme, the intelligent platform management controller further includes：Storage unit, institute
Storage unit is stated to be electrically connected with the protocol processing unit.
As a further improvement of the above technical scheme, the storage unit is Flash flash memories.
It is at least had the advantages that compared with existing known technology using technical solution provided by the invention：It should
Intelligent platform management controller is cooperated by protocol processing unit and logical extension interface unit, realizes standard IPMC, tool
There are the advantages such as low cost, high reliability, good compatibility and flexible expansion ability, greatly solves existing application-specific integrated circuit
Drawback, while modularized design is used, there is flexible portability, can effectively shorten the development cycle of ATCA veneers,
Very convenient online upgrading and later maintenance simultaneously.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is that the System Management Bus that ATCA standards define connects block diagram；
Fig. 2 is the system block diagram of intelligent platform management controller provided in an embodiment of the present invention；
Fig. 3 is the logic function block diagram of the protocol processing unit in Fig. 2；
Fig. 4 is the logic function block diagram of the logical extension interface unit in Fig. 2.
Main element symbol description：
In figure：201- logical extension interface units；202- protocol processing units；203- sensor units；204- veneers supply
Electric unit；205-Payload units；206-ATCA backboards；2010- register arrays；2011-I2C master/slave modules；
2012-I/O extends logic module；2013- power management control modules；2014-FSMC controller modules；2015-Local BUS
Controller module；2016- register access Coordination modules；2017- interrupts application module；2018- bus extender modules；2021-
Main program cycle module；2022-IPMC standard agreement modules；2023- sensors acquire and threshold value judgment module；2024- power supplys
Management control module；2025- power supply status acquisition modules；2026- logical extension unit upgraded modules；2027- interrupt processing moulds
Block；2028-Flash control modules；2029-FSMC controller modules.
Specific implementation mode
Hereinafter, the various embodiments of the disclosure will be described more fully.The disclosure can have various embodiments, and
It can adjust and change wherein.It should be understood, however, that：There is no disclosure protection domain is limited to specific reality disclosed herein
The intention of example is applied, but the disclosure should be interpreted as to all in the spirit and scope for covering the various embodiments for falling into the disclosure
Adjustment, equivalent and/or alternative.
Hereinafter, disclosed in the term " comprising " that can be used in the various embodiments of the disclosure or " may include " instruction
Function, operation or the presence of element, and do not limit the increase of one or more functions, operation or element.In addition, such as existing
Used in the various embodiments of the disclosure, term " comprising ", " having " and its cognate are meant only to indicate special characteristic, number
Word, step, operation, the combination of element, component or aforementioned item, and be understood not to exclude first one or more other
Feature, number, step, operation, the combination of element, component or aforementioned item presence or increase one or more features, number,
Step, the possibility of operation, the combination of element, component or aforementioned item.
The statement (" first ", " second " etc.) used in the various embodiments of the disclosure can be modified in various implementations
Various constituent element in example, but respective sets can not be limited into element.For example, presented above be not intended to limit the suitable of the element
Sequence and/or importance.The purpose presented above for being only used for differentiating an element and other elements.For example, the first user sets
Standby and second user equipment indicates different user devices, although the two is all user equipment.For example, not departing from each of the disclosure
In the case of the range of kind embodiment, first element is referred to alternatively as second element, and similarly, second element is also referred to as first
Element.
It should be noted that：It, can be by the first composition member if a constituent element ' attach ' to another constituent element by description
Part is directly connected to the second constituent element, and " connection " third can be formed between the first constituent element and the second constituent element
Element.On the contrary, when a constituent element " being directly connected to " is arrived another constituent element, it will be appreciated that in the first constituent element
And second third constituent element is not present between constituent element.
The term used in the various embodiments of the disclosure is used only for the purpose of describing specific embodiments and not anticipates
In the various embodiments of the limitation disclosure.Unless otherwise defined, otherwise all terms used herein (including technical term and
Scientific terminology) there is contain identical with the various normally understood meanings of embodiment one skilled in the art of the disclosure
Justice.The term (term such as limited in the dictionary generally used) be to be interpreted as have in the related technical field
The identical meaning of situational meaning and the meaning of Utopian meaning or too formal will be interpreted as having, unless at this
It is clearly defined in disclosed various embodiments.
If as shown in Figure 1, the machine frame system that defines of ATCA standards include 2 redundancy Subrack Management Module, several fan interpolation frames,
Supply module and several veneers.It is integrated with ShMC on Subrack Management Module, is inserted by IPMB buses and each veneer, fan
IPMC on frame, power module is attached, and realizes machine frame system administration.
Embodiment 1
As shown in Fig. 2, an embodiment of the present invention provides a kind of intelligent platform management controller, it is applied to standard ATCA frameworks
Platform, the intelligent platform management controller include：Protocol processing unit 202, logical extension interface unit 201；The intelligent platform
Management Controller is electrically connected with veneer power supply unit 204, sensor unit 203 and Payload units 205.It is inserted in the ATCA back ofs the body
Protocol processing unit 202, logical extension interface unit 201, sensor list are all integrated on master control veneer service board on plate
Member 203, veneer power supply unit 204 and Payload units 205.
Protocol processing unit 202 is electrically connected with logical extension interface unit 201 by FSMC buses and PS timing bus；
Protocol processing unit 202 is electrically connected by UART buses and Payload units 205, and logical extension interface unit 201 passes through
Local BUS buses are electrically connected with Payload units 205；Protocol processing unit 202 is equal with logical extension interface unit 201
It is electrically connected with veneer power supply unit 204；Protocol processing unit 202 is electrically connected with sensor unit 203；Veneer power supply unit
204 test side is connect with the A/D modules of protocol processing unit 202.
In the present embodiment, protocol processing unit 202 is arm processor；Logical extension interface unit 201 is FPGA.
Logical extension interface unit 201 is also electrically connected by double IPMB buses and ATCA backboards 206.It is total using double IPMB
Line can be operated in master and slave both of which；So as to be communicated respectively with 2 Subrack Management Module with redundancy feature, complete
The management of veneer controls.
Specifically, ATCA backboards 206 divide for 3 functional areas, and the first functional area is for powering and IPMB bus communications；
Second functional area is used for base optical interfaces, fabric optical interfaces and synchronised clock；Third functional area is self-defined for producer
And RTM (Release To Manufacturing, be published to manufacture) plate Function Extension；Logical extension interface unit 201 is logical
It crosses double IPMB buses (IPMB_A and IPMB_B) and the first functional area of ATCA backboards 206 is electrically connected.
Logical extension interface unit 201 realizes 2 tunnel standard IPMB buses (IPMB_A and IPMB_B), passes through Zone1 power supplys
Connector is connected to ATCA backboards 206, realizes and ShMC intercell communications integrated on Subrack Management Module；And realize Local
BUS can be accessed from controller by the CPU of Payload units 205, obtain all IPMC correlations letter of internal register storage
Breath；Veneer power supply unit 204 can be carried out according to the instruction and combination Board Power up timing requirements of protocol processing unit 202 simultaneously
Control.
Protocol processing unit 202 realizes standard IPMI protocol；It is logical by FSMC buses and logical extension interface unit 201
Letter, receive or transmit ShMC between communication data, and by board dispatch from the factory information, sensor/event information, power supply control/shape
State information etc. sends logical extension interface unit 201 to, and from logical extension interface unit 201 obtain instruction that ShMC is issued or
Data；Combine veneer up/down electricity timing requirements real according to ShMC instructions, single-board insert-pull state, hot plug switch closed condition etc.
The management and control of existing veneer power supply unit 204；Acquisition sensor information in real time, and information and the sets of threshold values of setting are compared
Compared with and judge, analysis board radiating state it is whether normal, report ShMC application status to redirect when necessary, held according to the instruction of ShMC
Row corresponding operating；It simulates PS and loads sequential, realize 201 online upgrading function of logical extension interface unit.
Sensor unit 203 includes mainly temperature sensor.The main pyrotoxin that temperature sensor is distributed in veneer is attached
Closely, veneer operating temperature is measured in real time.Sensor itself provides high temperature alarm function, and protocol processes list is informed by interrupt mode
Member 202, it is ensured that protocol processing unit 202 can note abnormalities in the shortest time, report Subrack Management Module, so as to Subrack Management Module into
The corresponding safeguard measure of row.
Veneer power supply unit 204, the main power supply for providing all business chips of monolithic, passes through 202 He of protocol processing unit
Logical extension interface unit 201 controls, and the corresponding electronic work of up/down is carried out in conjunction with veneer up/down electricity timing requirements；Have simultaneously
Current sample sensor records output current and power consumption in real time, is acquired in real time by protocol processing unit 202.
The CPU of Payload units 205 is communicated by UART interface with protocol processing unit 202, mainly realizes agreement
The online upgrading function of processing unit 202；It is connect, can be accessed with logical extension interface unit 201 by Local BUS buses
Internal register array obtains IPMC location mode information, facilitates the working condition of user scene or remote monitoring board simultaneously
Carry out operation and maintenance.
Intelligent platform management controller further includes：Storage unit, storage unit are electrically connected with protocol processing unit 202.
The storage unit is Flash flash memories.
As shown in figure 3, protocol processing unit 202 includes：Main program cycle module 2021, IPMC standard agreement modules
2022, sensor acquisition and threshold value judgment module 2023, power management control module 2024, power supply status acquisition module 2025,
Logical extension unit upgraded module 2026, interruption processing module 2027, Flash control modules 2028, FSMC controller modules
2029。
Main program cycle module 2021 realizes that the power-up state based on ATCA standards redirects (M0-M4 state transitions) event
Processing, including address effect, up/down current-programmed system, the transmission of Sensor Events and state change event report.
IPMC standard agreements module 2022 realizes power supply control, sensor/event acquisition and judgement based on ATCA standards
The functions such as processing, the control of board state event acquisition, board secure connection.By realizing E-key (Electronic Keying)
Function, it is ensured that the board interconnection safety in rack.The Fabric interfaces that ATCA is supported have many types, including xaui,
10GBASE-KR, 40gbase-kr4, PCIe etc., E-KEY functions are exactly to inform the interface type of this plate of shmc, it is ensured that and opposite end
Interface type always, just allows board to work on power under unanimous circumstances.Be not in problem in this way.
Sensor acquires and threshold value judgment module 2023 realizes onboard all the sensors acquisition of information, and with default setting
Upper limit alarm threshold is compared and judges, confirms whether board radiating state is normal, and in abnormal cases in time to ShMC
It reports, takes necessary safeguard measure.
Power management control module 2024 according to ShMC instructions, board plug state, hot plug switch closed condition and
Payload up/down electricity timing requirements, Control card power on/descend electricity.
Power supply status acquisition module 2025 acquires 204 output voltage of veneer power supply unit and electric current by high-precision adc, and
It is compared and judges with the bound threshold value of setting, confirm whether power supply is normal, and in abnormal cases in time on ShMC
Report, takes necessary safeguard measure.
Logical extension unit upgraded module 2026 is responsible for simulating PS load sequential by GPIO pin, by Flash flash memories etc.
Upgrade procedure in storage unit is sent to logical extension interface unit 201, realizes and is carried out to logical extension interface unit 201
Line upgrades.
Interruption processing module 2027 receives the interrupt request singal that logical extension interface unit 201 is sent, by inquiry
Disconnected information table confirms interrupt event type, and is responded accordingly.
Flash control modules 2028 are responsible for the Read-write Catrol of the storage units such as external Flash flash memories, and storage unit is main
Board manufacture information is stored, board work log storage is carried out at the same time；Store logical extension and interface unit upgrade procedure simultaneously.
FSMC controller modules 2029 are main equipment mode, realize protocol processing unit 202 and logical extension interface unit
Communication between 201.
As shown in figure 4, logical extension interface unit 201 includes：Register array 2010, I2C master/slave modules
2011, I/O extends logic module 2012, power management control module 2013, FSMC controller modules 2014, Local BUS controls
Device module 2015, register access Coordination module 2016, interruption application module 2017 and bus extender module 2018 processed.
I2C master/slaves module 2011 is using IP core, it then follows complete I2C specifications, using IPMB bus protocols, one
Aspect receives from ShMC and instructs and store to register array 2010, and sends interrupt requests and inform protocol processing unit 202, assists
View processing unit 202 is operated after reading according to instruction accordingly；On the other hand, agreement is read from register array 2010
The data message that processing unit 202 is sent is sent to ShMC after framing again according to IPMB protocol requirements.
I/O extends logic module 2012 and is used for logic lighting, is exported according to corresponding controlling value in register array 2010
The indicator lights such as the Hot Swap (hot plug), the OOS (out of service, do not servicing) that are defined to panel ATCA, Yi Jiyong
The customized expanded function indicator light in family.All circuit individual resets and the extension of RTM plate logical signals etc. are realized simultaneously.
The up/down electric control information out-put supply that power management control module 2013 is sent according to protocol processing unit 202
Signal is controlled, synchronous control board powers on, lower electricity.
FSMC controller modules 2014 are to realize protocol processing unit 202 and logical extension interface unit from equipment mode
Communication between 201.
Local BUS controller modules 2015 are to realize the CPU and logical extension of Payload units 205 from equipment mode
Communication between interface unit 201 makes CPU be able to access that the information stored in register array 2010, facilitates user can scene
Or the working condition of remote monitoring board.
Register access Coordination module 2016 is for coordinating FSMC control modules 2014 and Local BUS controller modules
2015 access register arrays 2010 avoid register access conflict by register access state assignment bus access permission.
It interrupts application module 2017 and interruption, 202 access interrupt of notification protocol processing unit is generated according to dependent event information
Information table confirms interrupting information, and related register array 2010 is accessed according to interrupting information, and handle and feed back accordingly.
Bus extender module 2018 is realized more according to increased function, the bus of extension needed for Payload units 205
The functions such as abundant management, control, extension.
The online upgrading flow of protocol processing unit 202, specifically comprises the following steps：CPU is sent by UART interface and is risen
Grade instruction, informs that ARM needs to upgrade；ARM confirms that single-board operation state is normal, notifies FPGA to lock one-board power supply system by FSMC
System control signal, it is ensured that Payload power supplies are normal, ensure that current business is not disrupted；FPGA sends ARM upgrading control signals,
ARM is set to enter online upgrading pattern；Upgrade procedure is transferred in the Flash inside ARM by CPU by UART；ARM upgradings are completed
Afterwards, upgrading completion status id signal is sent to FPGA, FPGA is controlled after receiving status signal to ARM transmission reset instructions
ARM restarts, and loads new system, completes online upgrading.
The online upgrading flow of logical extension interface unit 201, specifically comprises the following steps：CPU is sent out by UART interface
Upgrade command is sent to inform that FPGA needs to upgrade；ARM confirms that single-board operation state is normal, locks one-board power supply system control signal,
Ensure that Payload power supplies are normal, ensures that current business is not disrupted；CPU sends FPGA upgrade procedure by UART, and ARM is received
After be stored in plug-in Flash；GPIO simulations PS is loaded sequential by ARM, and the FPGA upgrade procedure sequences inside Flash are transmitted
To FPGA；FPGA upgrading after the completion of return upgrading complete DONE mark, ARM receive mark after send reset instruction control make FPGA
Restarting loads new procedures, completes online upgrading.
The intelligent platform management controller is completed the management control based on ATCA boards, module, while being had stronger superfluous
Remaining robustness is had high portability, is effectively improved the period designed and developed using modularized design.
It will be appreciated by those skilled in the art that the accompanying drawings are only schematic diagrams of a preferred implementation scenario, module in attached drawing or
Flow is not necessarily implemented necessary to the present invention.
It will be appreciated by those skilled in the art that the module in equipment in implement scene can be described according to implement scene into
Row is distributed in the equipment of implement scene, can also be carried out respective change and be set positioned at the one or more different from this implement scene
In standby.The module of above-mentioned implement scene can be merged into a module, can also be further split into multiple submodule.
Aforementioned present invention serial number is for illustration only, does not represent the quality of implement scene.Disclosed above is only the present invention
Several specific implementation scenes, still, the present invention is not limited to this, and the changes that any person skilled in the art can think of is all
Protection scope of the present invention should be fallen into.
Claims (10)
1. a kind of intelligent platform management controller is applied to standard ATCA architecture platforms, which is characterized in that the intelligent platform management
Controller is electrically connected with veneer power supply unit, sensor unit and Payload units；The intelligent platform management controller packet
It includes：Protocol processing unit, logical extension interface unit；
The protocol processing unit is electrically connected with the logical extension interface unit by FSMC buses and PS timing bus；Institute
It states protocol processing unit to be electrically connected by UART buses and the Payload units, the logical extension interface unit passes through
Local BUS buses are electrically connected with the Payload units；The protocol processing unit and the logical extension interface unit
It is electrically connected with the veneer power supply unit；The protocol processing unit is electrically connected with the sensor unit；The list
The test side of plate power supply unit is connect with the A/D modules of the protocol processing unit.
2. intelligent platform management controller according to claim 1, which is characterized in that the protocol processing unit is ARM
Processor.
3. intelligent platform management controller according to claim 1, which is characterized in that the logical extension interface unit is
FPGA。
4. intelligent platform management controller according to claim 1, which is characterized in that the logical extension interface unit is also
It is electrically connected by double IPMB buses and ATCA backboards.
5. intelligent platform management controller according to claim 4, which is characterized in that the ATCA backboards are divided into 3 work(
Energy region, the first functional area is for powering and IPMB bus communications；Second functional area is for base optical interfaces, fabric light
Interface and synchronised clock；Third functional area is for producer to be self-defined and RTM plate Function Extensions；The logical extension interface list
Member is electrically connected by the first functional area of Zone1 power connectors and the ATCA backboards.
6. intelligent platform management controller according to claim 1, which is characterized in that the protocol processing unit includes：
Main program cycle module, IPMC standard agreements module, sensor acquisition and threshold value judgment module, power management control module, electricity
Source state acquisition module, logical extension unit upgraded module, FSMC main control modules, interruption processing module, Flash control mould
Block.
7. intelligent platform management controller according to claim 1, which is characterized in that the logical extension interface unit packet
It includes：I2C master/slaves module, I/O extensions logic module, power management control module, FSMC controller modules, Local
BUS controller modules, interrupt application module and bus extender module at register access Coordination module.
8. intelligent platform management controller according to claim 1, which is characterized in that the sensor unit includes：Temperature
Spend sensor.
9. intelligent platform management controller according to claim 1, which is characterized in that the intelligent platform management controller
Further include：Storage unit, the storage unit are electrically connected with the protocol processing unit.
10. intelligent platform management controller according to claim 9, which is characterized in that the storage unit is dodged for Flash
It deposits.
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| CN114995262A (en) * | 2022-08-05 | 2022-09-02 | 成都万创科技股份有限公司 | Power supply time sequence control method and system of X86 platform |
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