CN117641541A - Multi-voltage domain low-power consumption management method based on double-core cooperation - Google Patents
Multi-voltage domain low-power consumption management method based on double-core cooperation Download PDFInfo
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- CN117641541A CN117641541A CN202311565504.3A CN202311565504A CN117641541A CN 117641541 A CN117641541 A CN 117641541A CN 202311565504 A CN202311565504 A CN 202311565504A CN 117641541 A CN117641541 A CN 117641541A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
A multi-voltage domain low-power consumption management method based on double-core cooperation is characterized in that a management core and a communication core are configured in embedded equipment and independently run in respective voltage domains; the management core is used for multitasking, scheduling and state monitoring, and can carry out uplink and downlink communication management; the communication core is used for hot spot communication; the management core and the communication core realize bidirectional data interaction based on a universal communication interface through interface voltage conversion; the management core and the communication core are capable of independent sleep and bidirectional wake-up. According to the low-power consumption management method, through hardware decoupling and multi-core cooperation, the working state is switched, so that the power consumption in the running process of the embedded mobile equipment is effectively reduced, and the running time of the embedded mobile equipment is prolonged.
Description
Technical Field
The invention relates to the technical field of low-power consumption management of mobile equipment, in particular to a multi-voltage domain low-power consumption management method based on double-core cooperation.
Background
With the rapid development of computer technology and microelectronic technology, the application field of embedded systems is becoming wider and wider. Energy conservation is a globalization of hot flashes, such as many chips in computers, that put forward the concept of a green system. Many manufacturers are concerned with the low power consumption of microcontrollers. The low power consumption design of circuits and systems has always been an important consideration for electronic engineering technicians to design.
With the rapid development of semiconductor technology and the increase of chip operating frequency, the power consumption of chips increases rapidly, and the increase of power consumption will lead to the increase of chip heating value and the decrease of reliability. Therefore, power consumption has become an important consideration in product design. In order to make the product more competitive, the industrial requirements on chip design have been changed from simply pursuing high performance and small area to comprehensive requirements on performance, area and power consumption. The microprocessor is used as a core component of the digital system, and the low-power-consumption design of the microprocessor has important significance for reducing the power consumption of the whole system.
In the Design of embedded systems, low-Power Design is a problem that many designers must face, because embedded systems are widely used in portable and mobile products that are not always supplied with sufficient Power, often by batteries, so the designer considers reducing Power consumption from each detail, thereby extending battery life as much as possible. In fact, low power designs have become an increasingly urgent issue from a global perspective.
The embedded mobile device is generally internally provided with a lithium battery with certain capacity and high density, meanwhile, a plurality of chips are powered by 5V in the past, and are operated by 3.3V, 1.8V and other multi-voltage domains, so that the technical problem to be solved in the field is how to manage the power consumption of the processing core of the multi-voltage domains.
Disclosure of Invention
The invention aims at solving the problem of power management of a multi-voltage domain processing core in an embedded device, and provides a multi-voltage domain low-power consumption management method based on double-core cooperation, so that low-power consumption automatic regulation management of the embedded mobile device is realized, and the operation time of the embedded mobile device is greatly prolonged.
The technical scheme of the invention is as follows:
the invention provides a multi-voltage domain low-power consumption management method based on double-core cooperation, wherein a management core and a communication core are configured in embedded equipment and independently run in respective voltage domains;
the management core is used for multitasking, scheduling and state monitoring, and can carry out uplink and downlink communication management;
the communication core is used for hot spot communication;
the management core and the communication core realize bidirectional data interaction based on a universal communication interface through interface voltage conversion; the management core and the communication core are capable of independent sleep and bidirectional wake-up.
Further, the management core operates in a 3.3V voltage domain, and the communication core operates in a 1.8V voltage domain.
Further, the management core and the communication core follow the determined communication interface rate and protocol, the management core and the communication core support full duplex communication at the same time, and the working states of the management core and the communication core can be set and inquired.
Further, the management core and the communication core provide working state signal level signal output, and state and wake up pin interface signal input identification and output control between the management core and the communication core are realized through the level conversion module.
Furthermore, the management core and the communication core are low-power consumption embedded processors, and can be independently switched to an operation state, a dormant state or a ready state.
Further, the state and wake up pins are output in an open drain mode, the managed pin level is matched with the communication core voltage domain range, and the communication core pin level is matched with the management core voltage domain range.
Further, the management core performs the following steps:
the management core is powered on to be in a ready state initially, and uplink and downlink data and an external state pin trigger signal in the period time are monitored;
if no uplink and downlink data interaction exists in the period time and the external state pin does not receive the level trigger, switching to a dormant state to reduce power consumption and keep internal heartbeat;
if uplink and downlink data interaction exists in the period time, or the external state pin receives level trigger, switching to an operation state; and continuously monitoring, if no uplink and downlink data interaction exists in the period time, and the state pin does not receive the level trigger, switching to a dormant state, and otherwise, keeping the running state.
Further, the communication core performs the steps of:
the communication core is powered on to be in a ready state initially, and hot spot communication data and external wake up pin trigger signals in the period time are monitored;
if no hot point communication data exists in the period time and the external wake up pin does not receive the level trigger, switching to a dormant state to reduce power consumption and keep internal heartbeat;
if hot spot communication data exist in the period time or the external wake up pin receives level trigger, switching to an operation state; and continuously monitoring, if the hot spot communicates data in the period time and the wake up pin does not receive the level trigger, turning to a dormant state, and otherwise, keeping the running state.
Further, the management core performs uplink and downlink communication by adopting a Bluetooth module, an infrared module, an RS485 module and the like; and the communication core carries out hot spot communication by adopting a wifi communication module and a full-network 5G module.
The invention has the beneficial effects that:
according to the low-power consumption management method, through hardware decoupling and multi-core cooperation, the working state is switched, so that the power consumption in the running process of the embedded mobile equipment is effectively reduced, and the running time of the embedded mobile equipment is prolonged.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular descriptions of exemplary embodiments of the invention as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the invention.
Fig. 1 shows a schematic diagram of the chip operating state according to one embodiment of the invention.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein.
A multi-voltage domain low-power consumption management method based on double-core cooperation is characterized in that a management core and a communication core are configured in embedded equipment and independently run in respective voltage domains;
the management core is used for multitasking, scheduling and state monitoring, and can carry out uplink and downlink communication management;
the communication core is used for hot spot communication;
the management core and the communication core realize bidirectional data interaction based on a universal communication interface through interface voltage conversion; the management core and the communication core are capable of independent sleep and bidirectional wake-up.
The management core and the communication core in the embedded device are mutually cooperated, the management core and the communication core independently operate in different voltage domains, the management core voltage domain is 3.3V, the communication core voltage domain is 1.8V, the bidirectional data interaction based on the universal communication interface is realized through interface voltage conversion, and the management core and the communication core can be independently dormant and can be awakened in both directions.
The management core in the dual-core module comprises basic peripherals such as a safety unit, modulated infrared, laser infrared and the like, and is responsible for system task scheduling; the communication core comprises a 5G module and a WIFI module and is responsible for 5G cellular data communication.
Serial communication is adopted between the management core and the communication core, the baud rate is 115200bps, the management core and the communication core simultaneously support full duplex communication, and the working states of the management core and the communication core can be set and inquired through agreed protocol messages.
The management core and the communication core independently operate in different voltage domains, the management core and the communication core provide signal level signal output of working state signals, and signal input identification and output control of state and wake up pin interfaces between the management core and the communication core are realized through a level conversion module.
The wake up pin of the management core adopts open drain output, and the pin level is matched with the voltage domain range (1.8V) of the communication core. The state pin of the communication core adopts open drain output, and the pin level is matched with the voltage domain range (3.3V) of the management core.
The management core is a low-power consumption embedded processor, and can be independently switched to an operation state, a dormant state or a ready state. As shown in fig. 1, in the independent voltage domain, the management core monitors the running state and the external state pin trigger signal, and is powered on to be in the running state initially, when bluetooth does not interact with each other in the uplink and downlink in a fixed time, and when the communication core state pin is triggered in a non-level manner, the management core is switched to a dormant state to reduce power consumption, internal heartbeat is kept, the management core is switched to a ready state to wait for triggering of the bluetooth and state pin, and is continuously switched to the running state, and whether the management core is continuously switched to the dormant state is further.
The communication core is a low-power consumption embedded processor, and can be independently switched to an operation state, a dormant state or a ready state. In the independent voltage domain as shown in fig. 1, the communication core is powered up to be in an operation state initially by monitoring the operation state of the communication core and an external wake up pin trigger signal, when the 5G module has no data interaction in a fixed time and the management core wake up pin has no level trigger, the sleep state is switched to reduce power consumption, the internal heartbeat is kept, the period is switched to a ready state to wait for the triggering of the 5G and wake up pins, the communication core is continuously switched to the operation state, and the side is continuously switched to the sleep state.
The foregoing description of embodiments of the invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described.
Claims (9)
1. A multi-voltage domain low-power consumption management method based on double-core cooperation is characterized in that a management core and a communication core are configured in embedded equipment and independently run in respective voltage domains;
the management core is used for multitasking, scheduling and state monitoring, and can carry out uplink and downlink communication management;
the communication core is used for hot spot communication;
the management core and the communication core realize bidirectional data interaction based on a universal communication interface through interface voltage conversion; the management core and the communication core are capable of independent sleep and bidirectional wake-up.
2. The dual-core cooperation-based multi-voltage domain low power consumption management method according to claim 1, wherein the management core operates in a 3.3V voltage domain and the communication core operates in a 1.8V voltage domain.
3. The dual-core cooperation-based multi-voltage domain low-power consumption management method according to claim 1, wherein the management core and the communication core follow a determined communication interface rate and protocol, the management core and the communication core support full duplex communication at the same time, and the working states of the management core and the communication core can be set and inquired.
4. The dual-core cooperation-based multi-voltage domain low-power consumption management method according to claim 1, wherein the management core and the communication core provide working state signal level signal output, and state and wake up pin interface signal input identification and output control between the management core and the communication core are realized through a level conversion module.
5. The dual-core cooperation-based multi-voltage domain low-power management method according to claim 4, wherein the management core and the communication core are low-power embedded processors and can be switched to an operation state, a dormant state or a ready state independently.
6. The dual-core cooperation-based multi-voltage domain low power consumption management method according to claim 4, wherein the state and wake up pins are output in an open drain mode, the managed pin level is matched with a communication core voltage domain range, and the communication core pin level is matched with the management core voltage domain range.
7. The dual-core cooperation-based multi-voltage domain low power consumption management method according to claim 5, wherein the management core performs the steps of:
the management core is powered on to be in a ready state initially, and uplink and downlink data and an external state pin trigger signal in the period time are monitored;
if no uplink and downlink data interaction exists in the period time and the external state pin does not receive the level trigger, switching to a dormant state to reduce power consumption and keep internal heartbeat;
if uplink and downlink data interaction exists in the period time, or the external state pin receives level trigger, switching to an operation state; and continuously monitoring, if no uplink and downlink data interaction exists in the period time, and the state pin does not receive the level trigger, switching to a dormant state, and otherwise, keeping the running state.
8. The dual-core cooperation-based multi-voltage domain low power consumption management method according to claim 5, wherein the communication core performs the steps of:
the communication core is powered on to be in a ready state initially, and hot spot communication data and external wake up pin trigger signals in the period time are monitored;
if no hot point communication data exists in the period time and the external wake up pin does not receive the level trigger, switching to a dormant state to reduce power consumption and keep internal heartbeat;
if hot spot communication data exist in the period time or the external wake up pin receives level trigger, switching to an operation state; and continuously monitoring, if the hot spot communicates data in the period time and the wake up pin does not receive the level trigger, turning to a dormant state, and otherwise, keeping the running state.
9. The multi-voltage domain low power consumption management method based on the dual-core cooperation according to claim 1, wherein the management core performs uplink and downlink communication by adopting a Bluetooth module, an infrared module, an RS485 module and the like; and the communication core carries out hot spot communication by adopting a wifi communication module and a full-network 5G module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311565504.3A CN117641541A (en) | 2023-11-22 | 2023-11-22 | Multi-voltage domain low-power consumption management method based on double-core cooperation |
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| CN202311565504.3A CN117641541A (en) | 2023-11-22 | 2023-11-22 | Multi-voltage domain low-power consumption management method based on double-core cooperation |
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