CN109862609A - A kind of method that single-chip power cut-off sleep management device and computer execute - Google Patents
A kind of method that single-chip power cut-off sleep management device and computer execute Download PDFInfo
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- CN109862609A CN109862609A CN201910093651.2A CN201910093651A CN109862609A CN 109862609 A CN109862609 A CN 109862609A CN 201910093651 A CN201910093651 A CN 201910093651A CN 109862609 A CN109862609 A CN 109862609A
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
The invention discloses a kind of methods that single-chip power cut-off sleep management device and computer execute, including one or more groups of memories and it is coupled to one or more processors of one or more groups of memories, one or more processors are configured so that device exits suspend mode after entering suspend mode by one the 1st period；One or more processors are by further configuration, to receive the 1st data packet from the network equipment after exiting suspend mode；One or more processors are by further configuration, the 2nd data packet is sent to the network equipment after receiving the 1st data packet；One or more processors are by further configuration, to cause device to enter suspend mode after transmitting the 2nd data packet.
Description
Technical field
The present invention relates to computer management technology field, specially a kind of single-chip power cut-off sleep management device and meter
The method that calculation machine executes.
Background technique
Wireless system increasingly lays particular emphasis on the performance of its power dissipation capability, and low-consumption wireless system is by favor, because this is logical
Often directly meaning wireless device has longer battery life.Have in the art it is several be dedicated to reduce wireless device power consumption
Technology.For example, wireless system can be made into can be in multiplex mode, for example aggressive mode and low-power consumption through design
It operates and switches under mode, wherein in the active mode, power consumption lower power consumption mode is height.Another mode is to detect
The system of measuring is conducted into suspend mode when being not in aggressive mode or low-power consumption mode.In some cases, in suspend mode
Only very a small number of critical elements are powered continually-there in case by system wake-up to aggressive mode or low-power consumption mode.In suspend mode mould
The power consumption of system is located at its floor level in formula.
However, the power supply operated in these modes, that is, the energy source of wireless system, it is by battery supplied, therefore
It is limited availability.In view of this, the electricity of extension wireless system is assisted in this field it is necessary to provide a kind of energy-efficient agreement
The pond service life simultaneously promotes its overall efficiency.
Summary of the invention
The technical problem to be solved by the present invention is to wireless systems battery power supply, higher, the different mode of wireless system energy consumption
Power consumption is different, a kind of method that single-chip power cut-off sleep management device and computer execute is provided, thus on solving
State problem.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
The present invention provides a kind of single-chip power cut-off sleep management device, including one or more groups of memories, and is coupled to one
Or one or more processors of multi-bank memory；One or more processors are configured to make device enter suspend mode process
After first period, suspend mode is exited via following procedure:
The voltage for being supplied to power domain is pulled up to preset value, the 1st initiating sequence of confirmation needs to execute according to display screen, executes first
Initiating sequence, from the network equipment receive the first data packet after exiting suspend mode, after receiving the first data packet by the
Two data packets are sent to the network equipment, cause device to enter suspend mode after transmitting the second data packet；
It wherein, include being supplied to the voltage of power domain to decrease below the level of preset value into suspend mode.
As a preferred technical solution of the present invention, the display screen is configured to the first value to show the first starting sequence
Column need to be performed, wherein one or more processors are by further configuration with confirmation waits for device from net in the presence of an at least data
Network equipment receives or is sent to the network equipment to device；Display screen is set to second value to show the second initiating sequence, foundation
Confirmation waits for that device is sent to the network equipment from network equipment reception or to device in the presence of an at least data, needs to be performed；With
And the second initiating sequence is executed so that device exits suspend mode.
As a preferred technical solution of the present invention, one or more described runnings are by further configuration with to device
It receives from the network equipment or after the one or more data trades that device is sent to the network equipment are completed, display screen is set to
First value, and device is made to enter suspend mode；The display screen is stored in device.
As a preferred technical solution of the present invention, the execution of first initiating sequence ties up to voltage and reaches preset value
Occur by the second period；Line maintenance between first data packet and the second data packet realization device and the network equipment,
Second data packet includes responding the reply data packet of the first data packet；Voltage supplied to power domain is operated by adjuster
State and a plurality of diodes determine；Into the further configuration of the suspend mode with include setting one instruction the first period it
Counter Value.
As a preferred technical solution of the present invention, one or more processors are by further configuration with adjustment counter
Value is until ended until the first period, wherein when the first period ended, Counter Value is in preset value, and works as Counter Value
When in preset value, device is made to exit suspend mode；The display screen is stored in device.
The present invention also provides a kind of methods that single-chip power cut-off sleep management device and computer execute, including such as
Lower step:
S1: after first device enters suspend mode by the first period, first device is made to exit suspend mode via following procedure
Mode；
S2: the voltage for being supplied to power domain is adjusted to preset value；
S3: the first initiating sequence of confirmation needs to execute according to display screen stored in first device；
S4: the first initiating sequence is executed；
S5: the link between first device and second device is realized；
S6: and so that first device is entered suspend mode after realization movement；
Wherein, into suspend mode include be supplied to power domain voltage adjust to be different from preset value level.
As a preferred technical solution of the present invention, the display screen is configured to first to be worth with display first to open
Dynamic sequence needs are performed；
Wherein, method further comprises:
Confirmation waits for that first device is sent to second device from second device reception or to first device in the presence of an at least data；
Display screen is set to second value to show the second initiating sequence, waits for first device in the presence of an at least data according to confirmation
It is received from second device or is sent to second device to first device, need to be performed；
And the second initiating sequence is executed so that second device exits suspend mode.
As a preferred technical solution of the present invention, further comprise: to first device from second device receive or
After the one or more data trades that first device is sent to second device are completed, display screen is set to the first value；And
First device is set to enter suspend mode.
As a preferred technical solution of the present invention, the realization packet of the line maintenance between first device and second device
It includes: receiving the first data packet from second device after exiting suspend mode；And the second data packet is sent to second device,
Wherein, the second data packet includes responding the reply data packet of the first data packet.
As a preferred technical solution of the present invention, supplied to power domain voltage by the operating state of adjuster with
And a plurality of diodes determine；It include the Counter Value of setting the 1st period of instruction into the further configuration of suspend mode；Adjustment
Counter Value is until ended until the first period, wherein when the first period ended, Counter Value is in preset value；And when meter
When number device value is in preset value, device is made to exit suspend mode.
The beneficial effects obtained by the present invention are as follows being: the present invention can reduce the device of the power consumption during standby running, system
And method, energy conservation and environmental protection can provide more permanent standby time into the time for greatly continuing the operation of computer radio system,
User is given with convenient.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
In the accompanying drawings:
Fig. 1 is the Internet of things system single-chip schematic diagram of one or more embodiments of the invention；
Fig. 2 is the power-off control subsystem circuit diagram of the Internet of things system single-chip of one or more embodiments of the invention；
Fig. 3 is the link control subsystem circuit diagram of the Internet of things system single-chip of one or more embodiments of the invention；
Fig. 4 is the initiating sequence schematic diagram of one or more embodiments of the invention；
Fig. 5 is demonstration programme schematic diagram of the present invention to maintain link；
Fig. 6 is the demonstration programme flow diagram to realize electric source modes management of one or more embodiments of the invention；
Fig. 7 is exemplary electronic system schematic diagram of the present invention；
Figure label: 10, powered down sleep subsystem circuit；11, Internet of things system single-chip；12, memory is kept；13, timing
Circuit；14, electronic oscillator circuits；15, administrative unit control circuit；16, Switching Power Supply domain；17, power-off control subsystem electricity
Road；20, subsystem circuit；21, adjuster；22, combinational circuit；23, isolation control circuit；24, Power Management Unit control piece；
25, voltage power down detector circuit；30, voltage control subsystems circuit is kept；31, series diode D0；32, series diode
DN；33, exchanger SW0；34, exchanger SW1；35, battery；40, control subsystem circuit is chained；41, link control command electricity
Road；42, line controller circuitry；43, scanning monitor circuit；44, line initialization circuit；45, disconnecting circuit；46, multiple company
Line circuit；50, promoter systems circuit；51, central processing unit；52, the read only memory and random access memory；53, it opens
Machine code；54, down enters formula non-volatility memorizer；55, clock pulse reset control circuit；56, tandem peripheral interface；57, external non-
Volatile storage；6, the demonstration programme of electric source modes management is realized；700, electronic system；710, processor；721, system list
Chip device；722, display controller；723, display；730, input unit；731, memory；732, coder；733,
Loudspeaker；734, microphone；740, wireless controller；741, antenna；742, power supply unit；743, camera；750, transceiver；
760, front-end interface；770, camera controller.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
In the description of the present invention, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, and
It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore
It is not considered as limiting the invention.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, it can manage as the case may be
Solve the concrete meaning of above-mentioned term in the present invention.
Embodiment: as shown in figs. 1-7, the present invention provides a kind of single-chip power cut-off sleep management device, including one or
Multi-bank memory, and it is coupled to one or more processors of one or more groups of memories；One or more processors are configured to make
Device exits suspend mode via following procedure after entering suspend mode by the first period:
The voltage for being supplied to power domain is pulled up to preset value, the 1st initiating sequence of confirmation needs to execute according to display screen, executes first
Initiating sequence, from the network equipment receive the first data packet after exiting suspend mode, after receiving the first data packet by the
Two data packets are sent to the network equipment, cause device to enter suspend mode after transmitting the second data packet；
It wherein, include being supplied to the voltage of power domain to decrease below the level of preset value into suspend mode.
Further, the display screen is configured to the first value to show that the first initiating sequence needs are performed, wherein one
Or multiple processors by further configuration with, confirmation in the presence of an at least data wait for device from the network equipment receive or to device pass
It send to the network equipment；Display screen is set to second value to show the second initiating sequence, there are an at least data according to confirmation
It is received to device from the network equipment or is sent to the network equipment to device, need to be performed；And execute the second initiating sequence with
Device is set to exit suspend mode.
Further, it is described one or more running by further configuration with, to device from the network equipment receive or it is to be installed
Set be sent to the network equipment one or more data trades complete after, display screen is set to the first value, and make device into
Enter suspend mode；The display screen is stored in device.
Further, the execution of first initiating sequence ties up to voltage and reaches preset value by the generation of the second period；Institute
The line maintenance between the first data packet and the second data packet realization device and the network equipment is stated, second data packet includes back
Answer the reply data packet of the first data packet；Supplied to power domain voltage by adjuster operating state and a plurality of diodes
It determines；Into the further configuration of the suspend mode to include the Counter Value for setting first period of instruction.
One or more processors by further configuration with: adjustment Counter Value is until the first period ended, wherein the
When one period ended, Counter Value is in preset value, and when Counter Value is in preset value, device is made to exit suspend mode mould
Formula；The display screen is stored in device.
The present invention also provides a kind of methods that single-chip power cut-off sleep management device and computer execute, including such as
Lower step:
S1: after first device enters suspend mode by the first period, first device is made to exit suspend mode via following procedure
Mode；
S2: the voltage for being supplied to power domain is adjusted to preset value；
S3: the first initiating sequence of confirmation needs to execute according to display screen stored in first device；
S4: the first initiating sequence is executed；
S5: the link between first device and second device is realized；
S6: and so that first device is entered suspend mode after realization movement；
Wherein, into suspend mode include be supplied to power domain voltage adjust to be different from preset value level.
Further, the display screen is configured to first and shows that first is performed with initiating sequence needs to be worth；
Wherein, method further comprises:
Confirmation waits for that first device is sent to second device from second device reception or to first device in the presence of an at least data；
Display screen is set to second value to show the second initiating sequence, waits for first device in the presence of an at least data according to confirmation
It is received from second device or is sent to second device to first device, need to be performed；
And the second initiating sequence is executed so that second device exits suspend mode.
Further, further comprise: being received to first device from second device or be sent to second to first device
After one or more data trades of device are completed, display screen is set to the first value；And first device is made to enter suspend mode mould
Formula.
Further, between first device and second device line maintenance realization include: exit suspend mode it
The first data packet is received from second device afterwards；And the second data packet is sent to second device, wherein the second data packet includes
Respond the reply data packet of the first data packet.
Further, it is determined supplied to the voltage of power domain by the operating state and a plurality of diodes of adjuster；
It include the Counter Value of setting the 1st period of instruction into the further configuration of suspend mode；Counter Value is adjusted when first
Until section ends, wherein when the first period ended, Counter Value is in preset value；And when Counter Value is in preset value,
Device is set to exit suspend mode.
It is specific: as shown in Figure 1, Fig. 1 is showing for the Internet of things system single-chip of one or more embodiments according to the present invention
Model block diagram, Internet of things system single-chip 11 include powered down sleep subsystem circuit 10, power-off control subsystem circuit 17, keep
Voltage control subsystems circuit 30, link control subsystem circuit 40 and promoter systems circuit 50.
Powered down sleep subsystem circuit 10 can manage Internet of things system single-chip 11 and enter into and exit from suspend mode.Stop
In sleep mode, in addition to receiving logic element and memory, and convenient for when Internet of things system single-chip 11 exits suspend mode
Other than the power domain for allowing Internet of things system single-chip 11 to be reconditioned, the other component of Internet of things system single-chip 11 is all broken
Electricity.Powered down sleep subsystem circuit 10 can manage Internet of things system single-chip 11 and enter into and exit from suspend mode.In suspend mode mould
In formula, in addition to receiving logic element and memory, and convenient for the permission when Internet of things system single-chip 11 exits suspend mode
Other than the power domain that Internet of things system single-chip 11 is reconditioned, the other component of Internet of things system single-chip 11 is all powered down.?
It is relatively small for entire area of the power supply domain sizes compared to Internet of things system single-chip 11 of continued power in suspend mode, with
Accommodate minimal amount of logic element and memory.Powered down sleep subsystem circuit 10 is located at Internet of things system single-chip 11 and is in not
In the power domain being powered continually-there when under sleep mode, in a certain level, suspend mode is in Internet of things system single-chip 11
When lower, the power domain of continued power can be considered as never powering off.In a certain level, in powered down sleep subsystem circuit 10
Transistor is to have the transistor of high voltage threshold values to reduce leakage current.In a certain level, when exiting suspend mode,
Internet of things system single-chip 11 can restore to enter suspend mode before 11 state in which of Internet of things system single-chip.Citing comes
It says, the core transistor of high voltage threshold values may have about the threshold voltage of 0.35V to 0.45V.High voltage threshold values it is defeated
Entering/export (I/O) transistor may have about the threshold voltage of 0.7V to 0.8V.
The electricity of continued power when powered down sleep subsystem circuit 10 is under suspend mode from Internet of things system single-chip 11
Voltage supply is obtained in source domain.Powered down sleep subsystem circuit 10 includes logic element and memory, for supporting Internet of Things system
The suspend mode running of system single-chip 11.Powered down sleep subsystem circuit 10 includes electronic oscillator circuits 14.In certain situations
Under, electro coupled oscillator 14 can be used as super low-power consumption oscillator.In a certain level, 14 applying vibration water of electronic oscillator circuits
Brilliant mechanical resonance generates the electric signal for having required frequency.Powered down sleep subsystem circuit 10 includes deviating from electronic
The timing circuit 13 of electric signal produced by device circuit 14 (for example clock signal).The traceable dormancy time of timing circuit 13,
It is the time span that Internet of things system single-chip 11 is maintained in suspend mode.Electric signal is come from power supply as frequency
The 32.768kHz clock signal of the crystal oscillator of function.
Powered down sleep subsystem circuit 10 includes Power Management Unit control circuit 15.Power Management Unit control circuit 15
Including state machine, when enter or exit suspend mode to manage.In a certain level, pre-programmed, presetting timer
Value can be set according to connection interval (for example next data packet estimated time sent or receive).Connection interval can be in
Central Processing Unit 51 determines.Powered down sleep subsystem circuit 10 includes keeping memory 12, to store Internet of things system monocrystalline
Piece 11 exits after suspend mode, and institute required for the system operation of Internet of things system single-chip 11 is restored is stateful.
In a certain level, timing circuit 13 include thick oxide transistor, and thick oxide transistor usually have compared with
The logic circuit of high threshold value.In a certain level, Power Management Unit control circuit 15, electronic oscillator circuits 14, with
And keeping memory 12 includes thick oxide transistor bit location usually with higher threshold voltage.For example, higher electricity
The core transistor of pressure valve value may have about the threshold voltage of 0.35V to 0.45V, the input/output (I/ of high voltage threshold values
O) transistor may have about the threshold voltage of 0.7V to 0.8V, and the electrical leakage quantity of the transistor with higher threshold voltage usually compares
The electrical leakage quantity of transistor with lower threshold voltage is low.The threshold voltage of transistor is depending on its design and process technique.It lifts
For example, threshold voltage is increased into 100mV, then electrical leakage quantity can reduce by 10 times.In some cases, the threshold voltage of transistor
Raising about 100mV may cause crystal switch time increase about 15% and/or area becomes larger, with higher threshold voltage
Transistor can occupy more chip space.
As shown in Fig. 2, the Internet of things system single-chip that Fig. 2 is one or more embodiments according to the present invention includes a power-off control
Subsystem circuit diagram, power-off control subsystem circuit 17 can be used to cut off from the electricity being located in a Switching Power Supply domain 16
The voltage in pond 35, and suitably lock control and isolation pass in and out the signal in Switching Power Supply domain 16 to avoid unnecessary leakage current.
In a certain level, when Internet of things system single-chip 11 is operated using small-sized button cell, with suspend mode
Operating relevant leakage current can be in the range of secondary micron ampere, to ensure that battery has one or more years battery lifes.For
Reach Low dark curient, most of component of Internet of things system single-chip 11 may need to cut off the power.
Switching Power Supply domain 16 include all logic elements and memory, central processing unit (CPU) 51, the read only memory and
Random access memory 52, down enter formula non-volatility memorizer 54, clock pulse reset control circuit 55, tandem peripheral interface 56, chain
Tie control subsystem circuit 40.Voltage in Switching Power Supply domain 16 is controlled by power-off control subsystem circuit 17, when Internet of Things system
System single-chip 11 is when be in suspend mode, and voltage is cut-off (or to be separated from powered-down source domain 16, and in normal operation, then opened
Move or be coupled to Switching Power Supply domain 16.In a certain level, power-off control subsystem circuit 17 includes adjuster circuit 21, is used for
Control voltage.
The signal of Power Management Unit control circuit 15 is to enter suspend mode.For example, Power Management Unit control
Circuit 15 processed can deactivate the adjuster in power-off control subsystem circuit 17.Signal POWER_OFF_SLEEP_EN can will be isolated
Output signal in control circuit 23 is partitioned to logic 1 or 0 to avoid output signal floating.Every include logic isolation method, to
Solve dynamic logical drive and the situation (there may be unnecessary electric leakages for this) of unpowered logic or unpowered logical drive
The situation of dynamic logic (this is there may be the switching of unnecessary signal and therefore causes unnecessary current drain).Signal
POWER_OFF_SLEEP_EN penetrates a combinational circuit 22, and inputs and believe in the front brake control of input signal access switch power domain 16
Number, to reduce or exclude a possibility that input signal drives the drain or source terminal of transistor accidentally, and then avoid leakage way
The generation of diameter.Voltage power down detector circuit 25 is responsible for the voltage VDD_BAT of detecting battery 35 to ensure that power down situation will not be sent out
It is raw.If power down situation occurs, voltage power down detector circuit 25 can enable adjuster circuit 21 close and allow Internet of things system
Single-chip 11 restarts and re-executes a sequence.(for example, power down situation drops to specific threshold or less in voltage VDD_BAT
Lower than 1.7V) when be likely to occur.
Keep voltage control subsystems circuit 30 may include diode D031, diode D132, exchanger SW033 and
One exchanger SW134.Keep the voltage drop that can be supplied battery 35 of voltage control subsystems circuit 30 down to the smallest holding
Voltage.It keeps voltage control subsystems circuit 30 when under suspend mode, minimum hold-in voltage is supplied to Internet of Things system
The power domain of continued power in system single-chip 11.
Electric current relevant to suspend mode running can come from leakage current.In a certain level, phase is operated with suspend mode
The electric current of pass can by according to a certain voltage drop down to just beyond the logic state institute for maintaining flip-flop or memory bitcell
The minimum essential requirement needed, to be reduced.For example, as long as voltage maintains threshold voltage or more, logic state and memory
State can retain.In some cases, voltage can be lowered in the case where not using active circuits, so as to keep electricity
The current drain of voltage-controlled subsystem circuit 30 remains minimum.The voltage supplied depending on battery 35 and specific CMOS wafer foundry
Depending on minimum holding voltage requirements required for processing procedure, can be used concatenated diode D031 ..., DN32, diode D031 and
One or more diodes or absolutely not diode can be set between diode DN32.The voltage that battery 35 is supplied can be with
The relationship of Vt*N reduces, wherein Vt be the voltage of diode D0 and DN threshold values and N be then Diode series number of diodes.
In the hibernation mode, exchanger SW033 can be closed and open exchanger SW134 to reduce the output of series diode 31 and 32
Voltage.In the normal mode, exchanger SW033 can be opened and close exchanger SW134 to allow series diode 31 and 32 quilts
Bypass.
As shown in figure 3, Fig. 3 is link control of the Internet of things system single-chip of one or more embodiments according to the present invention
System circuit diagram, link control subsystem circuit 40 are (can to suppose to manage the link control system of radio connecting
It says, wireless networking (WiFi), bluetooth (Bluetooth), Zigbee).Chaining control subsystem circuit 40 includes link control life
Circuit 41, line controller circuitry 42, scanning monitor circuit 43, line is enabled to set circuit 44, disconnecting circuit 45, multiple line electricity
Road 46.
It is received from central processing unit 51 after ordering, link control subsystem circuit 40 can scan, set line, protect
It holds line or disconnects line.In a certain level, link control subsystem circuit 40 can support one or more reconnection lines simultaneously.Link
After control command circuit 41 receives and handles order, will start the state machine of specific command: scanning monitor circuit 43 is completed
Line setting is completed in scanning, line initialization circuit 44, line controller circuitry 42 is completed line and kept, and disconnecting circuit 45 is completed to connect
Line disconnects, and the state machine system that multiple wired circuit 46 completes multiple line is separated.
For the application of Internet of Things, the most common usage scenario may be to have data to pull to Internet of Things in wireless network
Net SoC 11 or Internet of things system single-chip 11 keep wireless network when having data to push to wireless network
Line.For the most running time, Internet of things system single-chip 11 can be kept by disengaging suspend mode
The line of wireless network.System complexity is simplified under suspend mode running, and keeps the entire running of line can be complete
Line controller circuitry 42 is transferred to individually to handle.Due to no data to be treated, most software stack layers, including application
Code does not need.In this respect, Internet of Things application is usually related to control and state update, and the data throughput needed for it
Amount is a small amount of at last when most of.Link waits data receiver or transmission after establishing, so there is no actual data to need
It services.When system needs to exit suspend mode, it may be necessary to which a small amount of information is so that Internet of things system single-chip 11 restores
The connecting wireless network state originally kept to it.
As shown in figure 4, Fig. 4 is the initiating sequence schematic diagram of one or more embodiments according to the present invention, when the Internet of Things system
When system single-chip 11 is charged, which, which can initialize the Internet of things system single-chip 11 and start, refers to
Service needed for fixed running.
When voltage is applied to promoter systems circuit 50, clock pulse reset control circuit 55 can start running, and make simultaneously
Promoter systems circuit 50 is maintained at Reset Status.Reset Status refers to, when Internet of things system single-chip 11 is electrically charged, it is ensured that Internet of Things
Net SoC 11 is reset to the signal of preset state, it is ensured that logic element can have after having appropriate voltage and clock pulse
Effect resetting.Internet of things system single-chip 11 is the first starting or Internet of things system single-chip 11 is just to exit suspend mode, when
The equal crystals timer of arteries and veins reset control circuit 55 is ended or RC oscillator stablize after again reset indication is released to
Central Processing Unit 51.Internet of things system single-chip 11 enters before suspend mode, and crystal timer is stored in by central processing unit 51
In the buffer of programming, crystal timer is the preset value that specific power-up conditions do solidus.To ensure that crystal has the sufficient time
Preheating, clock pulse reset control circuit 55 can wait for a period of time.After crystal clock pulse is stablized, clock pulse reset control circuit 55 is
Releasable reset indication is suitably to reset Internet of things system single-chip 11.When Internet of things system single-chip 11 is opened from off-mode
It opens, that is, Internet of things system single-chip 11 is powered down, Internet of things system single-chip 11 can be considered as the first starting.On the contrary,
In suspend mode, some components of Internet of things system single-chip 11 are still persistently opened, power.Once reset indication is released, center
Processing unit 51 can start to execute the code being stored in the read only memory and random access memory 52, and code is herein to open
Machine code 53 indicates.Booting code 53 is stored in the read only memory of the read only memory and random access memory 52.
Booting code 53 is the first part for being responsible for the code image of 11 startup program of processed material networked system single-chip.?
Be switched on code 53 in, there are the starting branch of two systems Reset Status (cold start-up) (one be normally start branch another
It is quick start branch), each branch point has other system reset state process sequence.System reset state can be and be held
State when row resetting, is also possible to the default entry condition of Internet of things system single-chip 11.As shown in figure 4, two branches are complete
It later will be preceding to main services function at either branch sequence.When Internet of things system single-chip 11 enters suspend mode, mainly
Service routine function will be responsible for system reset state.Main services routine function can be after the initialization of central processing unit 51
The main loop of entrance.In main services routine function, central processing unit 51 starts to execute waiting task, if there is
Words, or wait for quietly newly into task.
Due to needing equal crystals preheating, the startup program that promoter systems circuit 50 executes might have some delay feelings
Condition.In some cases, crystal can be used only for active radio frequency transmission and reception.Prolong caused by crystal preheating to reduce
Late, clock pulse caused by resistor-capacitor oscillator can be used to realize faster preheating time.In some cases, numerical digit is patrolled
More jitter tolerations may be had than analogy or radio circuit by collecting element.When Internet of things system 11 initial start-up of single-chip, make
Insurance may be compared with crystal, because it is more more stable than RC oscillator.
Startup program includes being loaded into step, application program generation from external non-volatility memorizer such as SFLASH/EEPROM57
Code.In certain implementations, when no down enters formula non-volatility memorizer eNVMEM54, external non-volatility memorizer can be used；
In addition to this, step, application code can enter formula non-volatility memorizer eNVMEM54 loading from down.The loading of code
Time is depending on code size and depending on by code being loaded into the interface of the built-in read only memory and random access memory 52.It is common to carry
Entering interface is tandem peripheral interface 56, and to avoid being loaded into slowly, some steps, which can be deposited in, to be kept in memory 21 to save
It is loaded into the time required for these steps.
From booting code 53, normally starting branched sequence or quick start branched sequence execute instruction central processing unit 51,
Depending on Internet of things system single-chip 11 is the 1st starting or is exited from suspend mode.To assist central processing unit 51 to sentence
Disconnected to execute from which branch, Power Management Unit control piece 24 stores display screen so that Internet of things system single-chip 11 can be correct
Select the normal starting branched sequence or quick start branched sequence in Fig. 4.Display screen can set the first value to represent selection
Normal starting branched sequence simultaneously sets the second value for being different from the first value to represent selection quick start branched sequence.In this side
Face, display screen can be set to the flag of the first value or second value.When Internet of things system single-chip 11 is exited from suspend mode
When, it is stored in and keeps the information in memory 21 to can be used to execute quick start branched sequence to replace normal starting branch's sequence
Column.Normal starting branched sequence includes that complete initialization task, step and application code are loaded into task, calibration tasks,
And application program starts, starting task.Quick start branched sequence includes the initialization task of reduction and can skip over benefit
Sew and application code is loaded into task and calibration tasks to obtain the faster starting time.
In certain levels, exclusive signal is can be used in powered down sleep subsystem circuit 10, for example POWER_OFF_
SLEEP_EN signal, to control the fortune of the power-off control subsystem circuit 17 and the holding voltage control subsystems circuit 30
Make.Keep voltage control subsystems circuit 30 that can reduce powered down sleep subsystem circuit 10 and isolation control circuit 23 and power-off
Voltage used in combinational circuit 22 in control subsystem circuit 17.
The power-off control subsystem circuit 17 is managed using adjuster 21 supplied to ON_OFF_POWER power domain 16
Power supply.The signal for passing in and out the ON_OFF_POWER power domain 16 is needed through PWROFFCTL subsystem circuit 20.Switching Power Supply domain
16 include that central processing unit 51, the read only memory and random access memory 52, down enter formula non-volatility memorizer, clock pulse weight
Set control circuit 55, tandem peripheral interface 56 and the domain for chaining control subsystem circuit 40.Voltage supply link can be whole
It is in juxtaposition, wherein supply line is closed in the hibernation mode and is then turned under normal operation mode.
Powered down sleep subsystem circuit 10, link control subsystem circuit 40 and promoter systems circuit 50, which pass through, is
System remittance drainage is chained.
The quantity of state retained is needed for reduction, and the function for keeping network connectivity is only illustrated in example, but it is any frequent
The function used is ok.In a specific system, such as Internet of things system single-chip 11, it also can define one or more letters
Number, wherein each different function includes the different reduced state combinations of reservation required for each usage scenario.
In the application of certain Internet of Things, system can be waken up to check whether there is any need from dormant state, mode
The activity of service, for example data collection activity.If data acquiring frequency is low, system can be held at not with the most of the time
In sleep mode, while periodic wakeup is to remain synchronous between system and network.Maintenance, which synchronizes, can be such that system and network continues
Line establishes line.The repetition activity at this long interval maintains the electricity of network connectivity through Internet of things system single-chip in Fig. 5
Quantitative curve is available more preferably illustrates for stream consumption, and Fig. 5 is the demonstration programme schematic diagram to maintain link.
When Internet of things system single-chip 11 first starts, Internet of things system single-chip 11 has to carry out normal starting work journey
Sequence.For example, in normally starting working procedure, Internet of things system single-chip 11 includes keeping voltage stabilization, crystal correctly pre-
Heat, hardware and firmware complete full inits, patchery and application code are loaded into from SFLASH/EEPROM57, calibrates and owns
Hardware and all service functions of starting include the time required for starting application program.Internet of things system single-chip 11 look for
Line wireless network appropriate and to wireless network login, after initial setting is completed, central processing unit 51 is rested on mainly
New trigger event is waited in circulation.When most of, the task that main services routine is serviced without any need, in addition to maintaining
Other than the synchronization of network.In Fig. 5, running is divided into two parts.For part 1, when Fig. 5 is applied to Internet of things system
When single-chip 11,11 system of Internet of things system single-chip is in a dormant state.In part 2,11 quilt of Internet of things system single-chip
It wakes up to execute Network Synchronization task through exchange data packets.The electric current for focusing on how reducing suspend mode of running disappears
It consumes and how to shorten and delay caused by normal mode is exited and entered from suspend mode.
In one or more embodiments, running starts before entering sleep mode.It chains in control subsystem circuit 40
Line controller circuitry 42 can retain in Power Management Unit control circuit 15, store display screen, in next wake-up
It is shown in working procedure, Internet of things system single-chip 11, which only provides, maintains this simple function of line.Dormancy time can counted
When circuit 13 in pre-programmed, and show to restore Internet of things system single-chip 11, Internet of things system single-chip 11 is distinguished
Know and be assigned to and keeps in memory 12.
The control of Power Management Unit control circuit 15 in powered down sleep subsystem circuit 10 passes in and out Switching Power Supply domain 16
Suspend mode is entered movement initialization by all signals.Power Management Unit control circuit 15 can make by control regulator
The power supply of adjuster cut-out switch power domain 16 is supplied, to control the voltage supplied to Switching Power Supply domain 16.Power Management Unit
Control circuit 15 indicates that voltage control subsystems circuit 30 is kept to reduce battery electricity via exchanger SW033 and SW234 is enabled
Pressure.The counter of pre-programmed at this point, timing circuit 13 can start to successively decrease.Power Management Unit control circuit 15 can be until counting
Suspend mode is exited in device end of a period again.For example, it is programmed to countdown from 33333 and with electronic in timing circuit 13
In the case where the 32.768kHz clock signal operating of device circuit 14, counter can countdown within about 1 second time to 0.
After about 1 second, when timing circuit 13 is countdowned to 0, can trigger Power Management Unit control circuit 15 opens it
Beginning executes suspend mode and exits the program.
In suspend mode exits the program, Power Management Unit control circuit 15 opens exchanger SW033 and closes exchange
Device SW134 restores voltage to deactivate series diode D031 to DN32, and Power Management Unit control circuit 15, which enables, to be adjusted
Device 21.Lock control and isolation logic element can be released to Switching Power Supply domain 6 by Power Management Unit control circuit 15.It is opened when being supplied to
The voltage VDD_CORE of powered-down source domain 6 reaches a preset level, and the clock pulse reset control circuit 55 of promoter systems circuit 50 is counted
When device can start to countdown via the counter that successively decreases.Once counter returns 0, clock pulse reset control circuit 55 can will be reset
Instruction is released to central processing unit 51, opens central processing unit 51 from the read only memory and random access memory 52
Begin to execute booting code 53.When executing booting code 53, central processing unit 51 can check Power Management Unit control circuit 15
In stored display screen to judge to execute normal starting or quick start.Since Internet of things system single-chip 11 is exiting
Suspend mode, the quick start branched sequence of the executable booting code 53 of central processing unit 51, including executing the initial of reduction
Change task and line controller circuitry 42 and the read only memory and arbitrary access in execution link control subsystem circuit 40
The state restoration task of memory 52.Line controller circuitry 42 receives beacon or anchoring data packet from network and network is again same
Step.After receiving beacon or anchoring data packet, line controller circuitry 42 is ready for reply data packet and is transmitted back to network.Line control
Circuit 42 processed and exchanging between network, the exchange including beacon or anchoring data packet and associated responses data packet, referred to as object
Networked system single-chip 11 and the friendship of network are held.Once completion is held in friendship, the line of network can be maintained.If without any wait locate
The data of reason need to receive or transmit, and Internet of things system single-chip 11 can reenter suspend mode.Suspend mode is passed in and out to protect
The running for holding one or more network connectivities will be repeated until that data need to push or have data to need to receive.When above-mentioned
One when happening, and the state of display screen can be changed in Internet of things system single-chip 11, is by the starting of Internet of things system single-chip 11
Normal mode simultaneously executes normal starting branched sequence.In some cases, Internet of things system single-chip 11 can be negotiated in advance from one
Link agreement, for example line interval or beacon interval, have known whether that data are to be received.In general, compared to quickly opening
Dynamic program, normal start-up procedure need the longer processing time.After Internet of things system single-chip 11 completes data processing, Internet of Things
Display screen can be changed in net SoC 11, meanwhile, suspend mode is passed in and out to maintain the program of line that can restore.
As shown in fig. 6, Fig. 6 is the demonstration programme stream to realize electric source modes management of one or more embodiments of the invention
Journey schematic diagram, Internet of things system single-chip 11 are in suspend mode, and Internet of things system single-chip 11 is entering suspend mode process
After first period, suspend mode can be exited.Power Management Unit control circuit 15 can be such that Internet of things system single-chip 11 enters
Suspend mode.Once the counter of timing circuit 13 reaches preset value, Internet of things system single-chip 11 can exit suspend mode.
For example, when counter is decremented to 0, Internet of things system single-chip 11 can exit suspend mode
Exiting suspend mode may include being supplied to the voltage VDD_CORE of ON_OFF_POWER_DOMAIN16 to be increased to one default
It is horizontal.For example, the raising of voltage can by open exchanger SW033 and close exchanger SW134 or enable adjuster 21
So that Power Management Unit control circuit 15 deactivates series diode D031 to DN32 to reach.Exiting suspend mode includes judgement
Normal starting or quick start should be executed.Central processing unit 51 can judge which starting sequence should be executed according to display screen
Column.Display screen can be stored in Power Management Unit control circuit 15, and central processing unit 51 executes confirmed starting according to this
The instruction of sequence.
Internet of things system single-chip 11 can receive the first data packet, Internet of Things system from the network equipment after exiting suspend mode
Second data packet can be sent to the network equipment after receiving the first data packet by system single-chip 11.Second data packet, which can be, answers
Answer data packet.In a certain level, the first data packet and the second data packet are to keep Internet of things system single-chip 11 and network
A part of program is held in line between equipment and the friendship carried out.Internet of things system single-chip 11 can after transmitting the second data packet
Into suspend mode.
As shown in fig. 7, Fig. 7 is exemplary electronic system schematic diagram, electronic system 700 can be a set of gateway apparatus, on machine
Box, computer (for example, desktop PC or notebook computer), phone, personal digital assistant (PDA), server, friendship
Parallel operation, router, base station, receiver or any other can network upload the number of delivering letters electronic device, it is for example built-in
In the electronic device of intelligent appliance and other intelligence systems.Electronic system 700 can be, and also may include, the Internet of Things system of Fig. 1
System single-chip 11, or a part as Internet of things system single-chip 11.These electronic systems include various types of computers
The interface of readable media and the computer-readable medium of various other types.
Electronic system 700 includes processor 710, such as digital signal processor.Processor 710 is coupled via transceiver 750
To computer readable storage media, such as memory 732.In addition, as shown in fig. 7, processor 710 can be placed in outside transceiver 750
Face.For example, processor 710 can be " plug-in " compared to transceiver 750.In another embodiment, 710 He of processor
Transceiver 750 is integrated into a system in package or SoC device 722, as described below.In certain levels, system
Monocrystalline sheet devices 722 can be, and also may include, Internet of things system single-chip 11, or as Internet of things system single-chip 11
A part.
Memory 732 store the instruction 754 executed by processor 710, the data 756 accessed for processor 710 or its
Combined type.In a specific embodiment, memory 732 is that the volatility accessed for processor 710 through transceiver 750 is deposited
Reservoir.Fig. 7 separately shows the display controller 726 for being coupled to processor 710 and display 728.Coder 734 can be also coupled to
Processor 710.Loudspeaker 736 and microphone 738 can be coupled to coder 734.According to Fig. 7, wireless controller 740 can be with coupling
It is bonded to processor 710.Wireless controller 740 can be further coupled to antenna 742 via transceiver 750.Camera 746 can couple
To camera controller 790.Camera controller 790 can be coupled to processor 710.
In a specific embodiment, processor 710, memory 731, display controller 722, camera controller 770, volume
Decoder 732, wireless controller 740, transceiver 750 are encapsulated in SoC device 721.Can by input unit 730 and
Power supply unit 742 is coupled to SoC device 721.Furthermore in a specific embodiment, as shown in fig. 7, display
723, input unit 730, camera 743, loudspeaker 733, microphone 734, antenna 741, power supply unit 742 are located at system monocrystalline
721 outside of sheet devices.However, display 723, input unit 730, camera 743, loudspeaker 733, microphone 734, antenna 741,
And power supply unit 742 is coupled to the component of SoC device 721.In a specific example, processor 710
And memory 731 is coupled to transceiver 750.
Finally, it should be noted that these are only the preferred embodiment of the present invention, it is not intended to restrict the invention, although
Present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, still can be right
Technical solution documented by foregoing embodiments is modified or equivalent replacement of some of the technical features.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (10)
1. a kind of single-chip power cut-off sleep management device, which is characterized in that including one or more groups of memories, and be coupled to
One or more processors of one or more groups of memories；One or more processors are configured to make device enter suspend mode warp
After the first period, suspend mode is exited via following procedure:
The voltage for being supplied to power domain is pulled up to preset value, the 1st initiating sequence of confirmation needs to execute according to display screen, executes first
Initiating sequence, from the network equipment receive the first data packet after exiting suspend mode, after receiving the first data packet by the
Two data packets are sent to the network equipment, cause device to enter suspend mode after transmitting the second data packet；
It wherein, include being supplied to the voltage of power domain to decrease below the level of preset value into suspend mode.
2. a kind of single-chip power cut-off sleep management device according to claim 1, which is characterized in that the display screen
Be configured to the first value with show the first initiating sequence needs be performed, wherein one or more processors by further configuration with,
Confirmation waits for that device is sent to the network equipment from network equipment reception or to device in the presence of an at least data；Display screen is set to
Second value waits for that device is received from the network equipment or to device in the presence of an at least data to show the second initiating sequence, according to confirmation
It is sent to the network equipment, needs to be performed；And the second initiating sequence is executed so that device exits suspend mode.
3. a kind of single-chip power cut-off sleep management device according to claim 2, which is characterized in that described one or more
A running is by further configuration in the one or more stroke counts for receiving or being sent to device the network equipment from the network equipment to device
After completing according to transaction, display screen is set to the first value, and device is made to enter suspend mode；The display screen is stored in
In device.
4. a kind of single-chip power cut-off sleep management device according to claim 1, which is characterized in that described first opens
The execution of dynamic sequence ties up to voltage and reaches preset value by the generation of the second period；First data packet and the second data packet are realized
Line maintenance between device and the network equipment, second data packet include responding the reply data packet of the first data packet；For
It should be determined to the voltage of power domain by adjuster operating state and a plurality of diodes；It is further into the suspend mode
Configuration is to include the Counter Value for setting first period of instruction.
5. a kind of single-chip power cut-off sleep management device according to claim 7, which is characterized in that at one or more
Manage device by further configuration with: adjustment Counter Value until the first period end until, wherein the first period end when, count
Device value is in preset value, and when Counter Value is in preset value, device is made to exit suspend mode；The display screen is stored
In device.
6. the method that a kind of computer of single-chip power cut-off sleep management device executes, which is characterized in that including walking as follows
It is rapid:
S1: after first device enters suspend mode by the first period, first device is made to exit suspend mode via following procedure
Mode；
S2: the voltage for being supplied to power domain is adjusted to preset value；
S3: the first initiating sequence of confirmation needs to execute according to display screen stored in first device；
S4: the first initiating sequence is executed；
S5: the link between first device and second device is realized；
S6: and so that first device is entered suspend mode after realization movement；
Wherein, into suspend mode include be supplied to power domain voltage adjust to be different from preset value level.
7. the method that a kind of computer of single-chip power cut-off sleep management device according to claim 6 executes,
It is characterized in that, the display screen is configured to first and shows that first is performed with initiating sequence needs to be worth；
Wherein, method further comprises:
Confirmation waits for that first device is sent to second device from second device reception or to first device in the presence of an at least data；
Display screen is set to second value to show the second initiating sequence, waits for first device in the presence of an at least data according to confirmation
It is received from second device or is sent to second device to first device, need to be performed；
And the second initiating sequence is executed so that second device exits suspend mode.
8. the method that a kind of computer of single-chip power cut-off sleep management device according to claim 6 executes,
It is characterized in that, further comprises: being received to first device from second device or be sent to the one of second device to first device
Or after more data trades are completed, display screen is set to the first value；And first device is made to enter suspend mode.
9. the method that a kind of computer of single-chip power cut-off sleep management device according to claim 6 executes,
It is characterized in that, the realization of the line maintenance between first device and second device includes: after exiting suspend mode from second
Device receives the first data packet；And the second data packet is sent to second device, wherein the second data packet includes responding first
The reply data packet of data packet.
10. the method that a kind of computer of single-chip power cut-off sleep management device according to claim 6 executes,
It is characterized in that, the voltage supplied to power domain is determined by the operating state and a plurality of diodes of adjuster；Into suspend mode
The further configuration of mode is to include the Counter Value for setting the 1st period of instruction；Counter Value, which is adjusted, until the first period ended is
Only, wherein when the first period ended, Counter Value is in preset value；And when Counter Value is in preset value, move back device
Suspend mode out.
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