CN114510136A - Central processing unit system and power supply management device thereof - Google Patents

Abstract

The present invention provides a central manager system and a power management device thereof, comprising: a power module, which is used to provide working power for the device; an output module, which is connected to the power module and is used to convert the working power into Different types of power supply voltage signals are respectively provided to various types of working modules of the central processing unit; a communication module is connected to at least part of the sub-modules in the output module and is used for receiving instructions from the central processing unit , and control the output voltage signal of the at least part of the sub-modules based on the instruction. According to the present invention, based on the communication between a single power management device and the central processing unit, the power supply requirements of each working module in the central processing unit can be met, the power supply structure of the central processing unit is simplified, the power supply efficiency thereof is improved, and the It greatly reduces the cost and ensures the reliability and safety of the entire system.

Description

A central processing unit system and its power management device

technical field

The present invention relates to the field of power management, and more particularly to power management of a central processing unit.

Background technique

At present, the central processing unit has become the most widely used hardware system architecture in the computer field. Due to its absolute position in the market share, the central processing unit based on its development can adapt to almost all software and hardware in the field of personal hosts and servers. However, due to the inconsistency of standards in various fields and insufficient investment in development of such a hardware system with strong versatility, in its current hardware system, the integration of the power management system that supplies power to the central processing unit is very low. Each specific design requires a scattered combination of various power supplies, and even each voltage needs to establish a relationship with the front and rear stages to meet the needs of the system, and many devices need to be stacked in order to meet the timing sequence. This not only consumes costs and reduces the power supply efficiency of the power management system, but also poses a great risk to the integrity and security of the entire system of the central processing unit.

Therefore, in the prior art, the power management system for supplying power to the central processing unit has a low degree of integration, resulting in a complex power supply structure and low power supply efficiency, which is not conducive to cost reduction, and also reduces the reliability and safety of the entire system.

SUMMARY OF THE INVENTION

Embodiments of the present invention provide a system based on a central processing unit and a power management device thereof, so as to at least solve one of the above-mentioned problems of low power supply and low power supply efficiency in the power supply management of the central processing unit.

According to a first aspect of the present invention, there is provided a power management device based on a central processing unit, the device comprising:

a power module, used to provide working power for the device;

an output module, connected to the power supply module, for converting the working power supply into different types of power supply voltage signals, and respectively providing them to various types of working modules of the central processing unit;

The communication module is connected to at least some of the sub-modules in the output module, and is configured to receive an instruction of the central processing unit, and control the output voltage signal of the at least some of the sub-modules based on the instruction.

Optionally, the output module includes:

An analog sub-module, connected to the power supply module, is used for converting the working power supply into at least one analog voltage signal, and providing the analog voltage signal to the analog signal module of the central processing unit.

Optionally, the output module includes:

A digital sub-module, connected to the analog sub-module, for converting the at least one analog voltage signal into at least one digital voltage signal, and providing the digital voltage signal to the digital signal module of the central processing unit.

Optionally, the at least some submodules include:

The non-service sub-module is connected to the digital sub-module, and is configured to output at least one non-service voltage signal based on the first instruction of the central processing unit, and provide the non-service voltage signal to the non-service voltage signal of the central processing unit. business module.

Optionally, the at least some submodules include:

a core submodule, connected to the power module, for converting the working power into a core voltage signal based on a second instruction of the central processing unit, and providing the core voltage signal to the core of the central processing unit module.

Optionally, the at least some submodules include:

A memory sub-module, connected to the power supply module, is configured to output at least one memory voltage signal based on a third instruction of the central processing unit, and provide the memory voltage signal to the memory module of the central processing unit.

Optionally, the communication module includes:

A status sub-module, configured to send the working status of the output module of the device to the central processing unit.

Optionally, the communication module includes: a configuration sub-module, configured to communicate with the central processing unit, and receive a configuration communication signal;

The apparatus further includes: a control module, connected to the configuration sub-module, for controlling the apparatus and the central processing unit to perform configuration based on the configuration communication signal.

According to a second aspect of the present invention, there is provided a central processing unit system, the system comprising:

a central processing unit for data processing;

The power management device according to the first aspect is connected to the central processing unit and configured to provide different types of power supply voltage signals to various types of working modules of the central processing unit.

Optionally, the power management device is further used for:

providing a power supply voltage signal to at least a portion of the modules of the central processing unit independently of instructions from the central processing unit; and

At least part of the output power supply voltage signal is controlled based on instructions from the central processing unit.

According to the central processing unit system and the power management device thereof according to the embodiment of the present invention, the power required by the central processing unit is integrated into the power management device, and the central processing can be satisfied based on the communication between a single power management device and the central processing unit. The power supply requirements of each working module in the device are simplified, the power supply structure of the central processing unit is simplified, the power supply efficiency thereof is improved, the cost is greatly reduced, and the reliability and safety of the whole system are ensured.

Description of drawings

The above and other objects, features and advantages of the present invention will become more apparent from the detailed description of the embodiments of the present invention in conjunction with the accompanying drawings. The accompanying drawings are used to provide a further understanding of the embodiments of the present invention, and constitute a part of the specification, and together with the embodiments of the present invention, they are used to explain the present invention, and do not limit the present invention. In the drawings, the same reference numbers generally refer to the same components or steps.

FIG. 1 is a schematic schematic diagram of a power management device based on a central processing unit according to an embodiment of the present invention;

FIG. 2 is a schematic time sequence diagram of a power management apparatus according to an embodiment of the present invention;

3 is an example of a central processing unit system according to an embodiment of the present invention.

Detailed ways

In order to make the objects, technical solutions and advantages of the present invention more apparent, exemplary embodiments according to the present invention will be described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of the embodiments of the present invention, and it should be understood that the present invention is not limited by the example embodiments described herein. Based on the embodiments of the present invention described in the present invention, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

At present, the central processing unit has become the most widely used hardware system architecture in the computer field. x86 generally refers to a series of CPU instruction set architectures based on Intel 8086 and backward compatible. It has become the most widely used hardware system architecture in the field of personal hosts and servers. Due to its absolute position in the market share, the central processing unit based on its development can adapt to almost all software and hardware in the field of personal hosts and servers. However, such a versatile architecture is not perfect. Due to the inconsistency of its standards in various fields and the lack of development investment, in its current hardware system, the power management system that supplies power to it still has not achieved a good degree of integration. In order to meet the timing sequence, even each voltage needs to establish a relationship with the front and rear stages to meet the needs of the system, and many devices need to be stacked, which not only consumes the cost, reduces the power supply efficiency, but also affects the integrity and safety of the system. Sex poses great risks.

Based on the above considerations, a power management device based on a central processing unit according to an embodiment of the present invention is proposed. Referring to FIG. 1 , FIG. 1 shows a schematic schematic diagram of a power management apparatus based on a central processing unit according to an embodiment of the present invention. As shown in FIG. 1 , the CPU-based power management apparatus 100 may include:

a power supply module 110, configured to provide working power for the device 100;

an output module 120, connected to the power supply module 110, for converting the working power into different types of power supply voltage signals, and respectively providing them to various types of working modules of the central processing unit;

The communication module 130 is connected to at least some of the sub-modules in the output module 120, and is configured to receive an instruction of the central processing unit, and control the output voltage signal of the at least some of the sub-modules based on the instruction.

The power management device based on the central processing unit converts the working power into different types of power supply voltage signals, and provides them to various types of working modules of the central processing unit, so that a single power management device can meet the requirements of the central processing unit. Various types of power requirements for processors. The power management technology of the traditional central manager needs to build the power management function through multiple power chips/peripheral devices, and requires a large amount of control by the CPU and a separate embedded controller, and the power supply efficiency is low. In contrast, according to the power management device of the embodiment of the present invention, all power supply modules are integrated into one device, or even packaged into one chip, and the power management device can be connected to the working power supply (ie, powered on) immediately after Started to supply power to the central processing unit, which greatly improved the power supply efficiency. The central manager only needs to communicate with a single power management device, that is, it can control the power supply voltage signal output by the command, which simplifies the power supply structure of the central processor, greatly reduces the cost, and ensures the reliability and safety of the entire system. . It is suitable for being widely used in any power supply occasion to the central processing unit.

In some embodiments, the power management apparatus 100 may include a chip.

In some embodiments, referring to FIG. 1 , the power module 110 may include:

Pin 1, Pin 27, Pin 28: VIN12, all of which are 12V voltage input pins, which are connected to the working power supply for the power management device 100;

Optionally, referring to FIG. 1 , the output module 120 includes:

The analog sub-module 121 is connected to the power supply module 110, and is used for converting the working power supply into at least one analog voltage signal, and providing the analog voltage signal to the analog signal module of the central processing unit.

In some embodiments, the analog sub-module 121 may include: outputting one or more analog voltage signals of different voltage levels.

In some embodiments, referring to FIG. 1 , the simulation sub-module 121 may include:

Pin 4, Pin 5, Pin 6, Pin 7: Corresponding signals V1P0A, V1P8A, V1P2A, V3P3A are the 1.0V, 1.8V, 1.2V, 3.3V voltage output pins of the power management device 100, respectively. An analog power supply for the different modules of the central processing unit.

Specifically, referring to FIG. 1 , the pins 1, 27, and 28 are all connected to the input terminals of the voltage clamp and step-down module 121-0, and the output terminals of the voltage clamp and step-down module 121-0 are respectively connected to the first step down module 121-0. voltage circuit 121-1, second step-down circuit 121-2, third step-down circuit 121-3, fourth step-down circuit 121-4; and the output end of the first step-down circuit 121-1 is connected to pin 4 and the input end of the second step-down circuit 121-2, the output end of the second step-down circuit 121-2 is connected to pin 5 and the input end of the third step-down circuit 121-3, the third step-down circuit 121-3 The output terminal of 1 is connected to pin 6 and the input terminal of the fourth step-down circuit 121-4, and the output terminal of the fourth and third step-down circuits 121-4 is connected to the pin 7.

Optionally, referring to FIG. 1 , the output module 120 includes:

a digital sub-module 122, connected to the analog sub-module 121, for converting the at least one analog voltage signal into at least one digital voltage signal, and providing the digital voltage signal to the digital signal module of the central processing unit .

In some embodiments, the digital sub-module 122 may include outputting a digital voltage signal at one or more voltage levels.

In some embodiments, referring to FIG. 1 , the digital sub-module 122 may include:

Pin 8, Pin 9, Pin 10, Pin 11, Pin 12: Corresponding signals V1P0S, V1P05S, V1P35S, V1P8S, V3P3S: 1.0V, 1.05V, 1.35V, 1.8V of the power management device 100 respectively , 3.3V voltage output pin, can be used as the digital power supply of different modules of the central processing unit.

Specifically, referring to FIG. 1 , the output end of the first step-down circuit 122-1 is connected to the first switch 122-5, the first switch 122-5 also receives the signal from the pin 25, and the output of the first switch 122-5 terminal is connected to pin 8; the output terminal of the first switch 122-5 and the output terminal of the second step-down circuit 121-2 are both connected to the input terminal of the first low dropout linear regulator LDO1, and the first low dropout linear regulator LDO1 The output end of the voltage regulator LDO1 is connected to pin 9; the output end of the second step-down circuit 121-2 and the output end of the first low dropout linear voltage regulator LDO1 are both connected to the input of the second low dropout linear voltage regulator LDO2 terminal, the output terminal of the second low dropout linear regulator LDO2 is connected to the pin 10; the output terminal of the second step-down circuit 121-2 and the output terminal of the second low dropout linear regulator LDO2 are both connected to the second switch The input terminal of 122-6 and the output terminal of the second switch 122-2 are connected to the pin 11; the output terminal of the fourth step-down circuit 121-5 and the output terminal of the second switch 122-6 are both connected to the third switch 122 The input terminal of -7, the output terminal of the third switch 122-7 is connected to pin 12.

Optionally, referring to FIG. 1 , the at least some submodules include:

A non-service sub-module 123, connected to the digital sub-module 122, for outputting at least one non-service voltage signal based on the first instruction of the central processing unit, and providing the non-service voltage signal to the central processing unit non-business modules.

In some embodiments, the non-service modules may include multimedia modules and/or non-core modules.

In some embodiments, referring to FIG. 1 , the non-service sub-module 123 may include:

Pin 16: corresponding to the signal V1P0SX, is the 1.0V voltage output pin of the power management device 100, which can be used as the power supply of the multimedia module of the central processing unit;

Pin 17: a pin corresponding to the signal VSFR, which is a 1.35V voltage output pin of the power management device 100, which can be used as a power supply for a non-core module of the central processing unit.

Specifically, referring to FIG. 1, the output terminal of the first low dropout linear regulator LDO1 is connected to the input terminal of the fourth switch 122-8, and the output terminal of the second low dropout linear regulator LDO2 is connected to the fifth switch 122- The input terminal of 9, the input terminal of the fourth switch 122-8 and the input terminal of the fifth switch 122-9 all receive the first command from the central processing unit through the pin 24, and the output terminal of the fourth switch 122-8 and the fourth switch 122-8. The output terminals of the five switches 122-9 are respectively connected to the pins 16 and 17, and the fourth switch 122-8 and the fifth switch 122-9 determine whether to output a corresponding voltage signal based on the first command.

Optionally, referring to FIG. 1 , the at least some submodules include:

The memory sub-module 124 is connected to the power supply module 110, and is configured to output at least one memory voltage signal based on the third instruction of the central processing unit, and provide the memory voltage signal to the memory module of the central processing unit.

In some embodiments, referring to FIG. 1 , the memory sub-module 124 may include:

Pin 18: corresponding to the signal VDDQ_VTT, which is the 0.75V voltage output pin of the power management device 100, which can provide a reference voltage power supply for the memory (ie, the DDR module) of the central processing unit;

Pin 19: corresponding to the signal VDDQ, is the 1.5V voltage output pin of the power management device 100, and can be used as the voltage power supply of the memory (ie, the DDR module) of the central processing unit.

Specifically, referring to FIG. 1 , the output end of the voltage clamping and step-down module 121-0 is connected to the input end of the fifth step-down circuit 122-10, and the input end of the fifth step-down circuit 122-10 also receives the pin 24 The opposite instruction of the instruction (that is, the instruction of the pin 24 is logically "inverted" and then input to the input end of the fifth step-down circuit 122-10), the output end of the fifth step-down circuit 122-10 is connected to the pin 19, the first The output terminals of the five step-down circuits 122 - 10 are also grounded through two voltage dividing resistors R1 and R2 , and the connection point of the voltage dividing resistors R1 and R2 is connected to the pin 18 .

Optionally, referring to FIG. 1 , the at least some submodules include:

The core sub-module 125 is connected to the power supply module 110, and is configured to convert the working power into a core voltage signal based on the second instruction of the central processing unit, and provide the core voltage signal to the central processing unit core module.

In some embodiments, referring to FIG. 1 , the core submodule 125 may include:

Pin 20: Corresponding to the signal VCC, which can provide the VCORE core voltage for the central processing unit;

Pin 21: Corresponding to the signal VNN, it can provide the VGFX core voltage for the central processing unit.

Specifically, referring to FIG. 1 , the output end of the voltage clamping and step-down module 121-0 is connected to the input end of the sixth step-down circuit 122-11, and the input end of the sixth step-down circuit 122-11 also receives the pin 25 The first output end of the sixth step-down circuit 122-11 is connected to the pin 20, and the second output end of the sixth step-down circuit 122-11 is connected to the pin 21.

Optionally, referring to FIG. 1 , the communication module 130 includes:

The status sub-module 131 is configured to send the working status of the output module of the device to the central processing unit.

In some embodiments, referring to FIG. 1, the state sub-module 131 may include:

Pin 23: Corresponding signal CORE_PWROK, used to communicate with the central processing unit, can be used as a notification to the central processing unit that all pins have output voltage signals that are normal.

Optionally, referring to FIG. 1 , the communication module 130 includes: a configuration sub-module 132, which performs configuration communication with the central processing unit, and receives a configuration communication signal;

The apparatus 100 further includes: a control module 140, which is connected to the configuration sub-module 132 and configured to control the apparatus and the central processing unit to perform configuration based on the configuration communication signal.

In some embodiments, referring to FIG. 1 , the configuration sub-module 132 may include:

The pin 14 and the pin 15: are the communication interfaces of the power management device 100, and perform configuration communication with the central processing unit.

In some embodiments, the control module 140 may include: an embedded core processor.

In some embodiments, the configuration communication may be based on a serial communication protocol. For example the ^I2C protocol.

Specifically, referring to FIG. 1 , the pin 14 receives the signal SDA based on the serial communication protocol, and the pin 15 receives the signal SCL based on the serial communication protocol, and sends the signal SDA and the signal SCL to the control module 140 to complete the power management device 100. configuration.

Optionally, referring to FIG. 1 , the communication module 130 may further include:

Pin 24: corresponds to the signal PMC_SLP_S0#, communicates with the central processing unit, and can be used as a notification to the power management device 100 that the central processing unit enters the S0 state, and adjusts the voltage configuration to enter the S0 Mode.

Among them, the S0 state of the central processing unit is actually the normal working state, and all the devices are working.

Optionally, referring to FIG. 1 , the communication module 130 may further include:

Pin 25: corresponds to the signal PMC_SLP_S3#, communicates with the central processing unit, and can be used as a notification to the power management device 100 that the central processing unit enters the S3 state, and adjusts the voltage configuration to enter the S3 Mode.

Among them, the S3 state of the central processing unit is Suspend to RAM, that is, to keep all the data in the running of the central processing unit, and enter a false shutdown. At this time, except for the memory that needs power supply, all other devices are powered off.

Optionally, referring to FIG. 1 , the communication module 130 may further include:

Pin 26: corresponds to the signal PMC_SLP_S4, communicates with the central processing unit, and can be used as a notification to the power management device 100 for the central processing unit to enter the S4 state, and adjust the voltage configuration to enter the S4 Mode.

Among them, the S4 state of the central processing unit is Suspend to Disk, which means that the data in the memory is completely stored in the Disk, and when the machine is restarted, it can be directly read from the Disk to the RAM; using this mode, the Disk needs to set aside A complete continuous space.

In some embodiments, referring to FIG. 1 , the power management apparatus 100 may further include at least one of the following:

Pin 2: Corresponding to the signal REG3P3, it is the internal 3.3V voltage output pin, which is filtered by an external capacitor;

Pin 3: Corresponding signal VRTC, powered by external battery, is the input voltage of real-time clock;

Pin 13: The GND pin of the chip is used for grounding;

Pin 22: corresponding to PMC_PLTRST#, a pin for communicating with the CPU, and can be used as a central processing unit to reset the power management device 100 (TOTAL RESET).

1, in the power management device 100, pins 1, 27, 28VIN12 and pin 3VRTC are powered on, and then pins 4V1P0A, 5V1P8A, 6V1P2A, 7V3P3A, etc. output analog voltage signals, and the central processing unit outputs analog voltage signals. The power management device 100 is notified through the pin 26PMC_SLP_S4 that it has entered the S4 mode (the actions of the power management device 100 before the signal of the pin 26PMC_SLP_S4 can be run autonomously and do not need to be controlled by the central processor, so that the power management device 100 can operate on pins 1 and 27 . After 28VIN12 is powered on, it starts to supply part of the voltage to the central processing unit immediately, so that some functions work to perform the work in the following state); after that, the pin 19VDDQ of the power management device 100 is output, and the central processing unit is notified through the pin 25PMC_SLP_S3# The power management device 100 has entered the S3 mode; the chip continues to output pin 21VNN, pin 20VCC, pin 8V1P0S, pin 9V1P05S, pin 10V1P35S, pin 11V1P8S, pin 12V3P3S and other voltages, and the central processing unit passes pin 24PMC_SLP_S0# Notify the power management device 100 that it has entered the S0 mode; then the power management device 100 provides the CPU with VDDQ_VTT of pin 18, V1POSX of pin 16, and VSFR voltage of pin 17, and informs the CPU through pin 23CORE_PWROK that the voltage has been configured .

It can be seen that, according to the power management device of the embodiment of the present invention, the power supply chip of the central processing unit that originally needs to be completed by multiple chips and peripheral devices is integrated into one chip. The output state control can also be used to control the kernel settings of the power management device through the I2C standard communication interface, so as to improve the use effect of the power management device. And the power management apparatus according to the embodiment of the present invention can strictly meet the voltage performance and timing requirements of various central processing units (eg X86 architecture). Timing diagram. According to the power management device of the embodiment of the present invention, the structure is simple, and the safety and reliability are high. The power management chip can start partial work immediately after power-on, and can meet the requirements of the central processing unit before the control of the central processing unit. power supply demand, greatly improving the power supply efficiency.

According to an embodiment of the present invention, a central processing unit system is also provided, and the system includes:

Central processing unit CPU for data processing;

The power management device according to the embodiment of the present invention is connected to the central processing unit CPU, and is used to provide different types of power supply voltage signals to various types of working modules of the central processing unit CPU.

Optionally, the power management device is further used for:

providing a power supply voltage signal to at least a portion of the modules of the central processing unit independently of instructions from the central processing unit; and

At least part of the output power supply voltage signal is controlled based on instructions from the central processing unit.

In some embodiments, referring to FIG. 3, an example of a central processing unit system according to an embodiment of the present invention is shown. As shown in FIG. 3, the central processing unit system 300 includes: a central processing unit CPU; a power management device 310, wherein the pin 13GND/pins 1, 27, and 28VIN12 of the power management device 310 are respectively connected to the system ground and the working power ( Such as 12V POWER);

Pins 14 and 15 communicate with the central processing unit CPU through the I ² C protocol, and pins 22-26 communicate with the central processing unit CPU. These pins can use external pull-up or pull-down resistors for the default state. level configuration;

Pins 4-12 and 16-21 are all output pins for the central processing unit CPU to provide corresponding voltages, and the power management device 310 performs the timing control of generation and output, and sequentially supplies power to the central processing unit CPU and makes the corresponding modules work. Appropriate shunt capacitors to ground can be placed at the voltage output pins for filtering.

In summary, according to the central processing unit system and the power management device thereof according to the embodiment of the present invention, the power required by the central processing unit is integrated into the power management device, and based on the communication between a single power management device and the central processing unit, The power supply requirements of each working module in the central processing unit can be met, the power supply structure of the central processing unit is simplified, the power supply efficiency thereof is improved, the cost is greatly reduced, and the reliability and safety of the entire system are ensured.

Those of ordinary skill in the art can realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of the present invention.

In the several embodiments provided in this application, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the device embodiments described above are only illustrative. For example, the division of the units is only a logical function division. In actual implementation, there may be other division methods. For example, multiple units or components may be combined or May be integrated into another device, or some features may be omitted, or not implemented.

In the description provided herein, numerous specific details are set forth. It will be understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Similarly, it is to be understood that in the description of the exemplary embodiments of the invention, various features of the invention are sometimes grouped together , or in its description. However, this method of the invention should not be interpreted as reflecting the intention that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the corresponding claims reflect, the invention lies in the fact that the corresponding technical problem may be solved with less than all features of a single disclosed embodiment. Thus, the claims following the Detailed Description are hereby expressly incorporated into this Detailed Description, with each claim standing on its own as a separate embodiment of this invention.

It will be understood by those skilled in the art that all features disclosed in this specification (including the accompanying claims, abstract and drawings) and any method or apparatus so disclosed may be used in any combination, except that the features are mutually exclusive. Processes or units are combined. Each feature disclosed in this specification (including accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.

Furthermore, those skilled in the art will appreciate that although some of the embodiments described herein include certain features, but not others, included in other embodiments, that combinations of features of different embodiments are intended to be within the scope of the invention within and form different embodiments. For example, in the claims, any of the claimed embodiments may be used in any combination.

It should be noted that the above-described embodiments illustrate rather than limit the invention, and that alternative embodiments may be devised by those skilled in the art without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention can be implemented by means of hardware comprising several different elements and by means of a suitably programmed computer. In a unit claim enumerating several means, several of these means may be embodied by one and the same item of hardware. The use of the words first, second, and third, etc. do not denote any order. These words can be interpreted as names.

The above is only the specific embodiment of the present invention or the description of the specific embodiment, and the protection scope of the present invention is not limited thereto. Any changes or substitutions should be included within the protection scope of the present invention. The protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A power management device based on a central processing unit, wherein the device comprises: a power module, used to provide working power for the device; an output module, connected to the power supply module, for converting the working power supply into different types of power supply voltage signals, and respectively providing them to various types of working modules of the central processing unit; The communication module is connected to at least some of the sub-modules in the output module, and is configured to receive an instruction of the central processing unit, and control the output voltage signal of the at least some of the sub-modules based on the instruction. 2. The apparatus according to claim 1, wherein the output module comprises: The analog sub-module is connected to the power supply module, and is used for converting the working power supply into at least one analog voltage signal, and providing the analog voltage signal to the analog signal module of the central processing unit. 3. The apparatus according to claim 2, wherein the output module comprises: A digital sub-module, connected with the analog sub-module, is used for converting the at least one analog voltage signal into at least one digital voltage signal, and providing the digital voltage signal to the digital signal module of the central processing unit. 4. The apparatus of claim 3, wherein the at least part of the submodules comprises: The non-service sub-module is connected to the digital sub-module, and is configured to output at least one non-service voltage signal based on the first instruction of the central processing unit, and provide the non-service voltage signal to the non-service voltage signal of the central processing unit. business module. 5. The apparatus of claim 1, wherein the at least part of the submodules comprises: a core submodule, connected to the power supply module, for converting the working power into a core voltage signal based on a second instruction of the central processing unit, and providing the core voltage signal to the core of the central processing unit module. 6. The apparatus of claim 1, wherein the at least part of the submodules comprises: A memory sub-module, connected to the power supply module, is configured to output at least one memory voltage signal based on a third instruction of the central processing unit, and provide the memory voltage signal to the memory module of the central processing unit. 7. The apparatus according to claim 1, wherein the communication module comprises: A status sub-module, configured to send the working status of the output module of the device to the central processing unit. 8. The apparatus according to claim 1, wherein the communication module comprises: a configuration sub-module, configured to communicate with the central processing unit, and receive a configuration communication signal; The apparatus further includes: a control module, connected to the configuration sub-module, for controlling the apparatus and the central processing unit to perform configuration based on the configuration communication signal. 9. A central processing unit system, wherein the system comprises: a central processing unit for data processing; The power management device according to any one of claims 1-8, connected to the central processing unit, for providing different types of power supply voltage signals to various types of working modules of the central processing unit. 10. The system according to claim 9, wherein the power management device is further configured to: providing a power supply voltage signal to at least a portion of the modules of the central processing unit independently of instructions from the central processing unit; and At least part of the output power supply voltage signal is controlled based on instructions from the central processing unit.

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