CN104635589B - A kind of intersubjective low power loss communication system and method for different electrical power - Google Patents
A kind of intersubjective low power loss communication system and method for different electrical power Download PDFInfo
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- CN104635589B CN104635589B CN201510055292.3A CN201510055292A CN104635589B CN 104635589 B CN104635589 B CN 104635589B CN 201510055292 A CN201510055292 A CN 201510055292A CN 104635589 B CN104635589 B CN 104635589B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Small-Scale Networks (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Devices For Supply Of Signal Current (AREA)
Abstract
The invention discloses a kind of intersubjective low power loss communication system and method for different electrical power, system includes at least two communication agents, multiple power supply circuits being connected with communication agent and multiple communication interface lines, and described communication interface line connects the I/O ends of two communication agents；Described communication agent is opened drop-down and enabled when not communicated, is set to drop-down input；Described communication agent is when being communicated, and the communication agent for initiating communication opens pull-up enable, is set to pull-up output, and the communication agent for receiving the communication information keeps pulling down the state for enabling and opening, in drop-down input；Described communication agent is closed pull-up and enabled after communication is terminated, and drop-down, which is enabled, opens, and is set to drop-down input.The present invention automatically configures I/O mouthfuls of the communication of itself by communication agent according to its residing master slave relation in communication process, further reduces system power dissipation, improves battery.
Description
Technical field
The present invention relates to a kind of intersubjective low power loss communication system and method for different electrical power.
Background technology
Under normal conditions, the pressure difference for the power supply circuit powered to communication agent is inconsistent.In communication idle and communication I/O
In the case that mouth is chronically at pull-up state, electrical leakage quantity can be caused big to cause the problem of battery life is reduced.Therefore need
I/O mouthfuls of the communication of itself can be automatically configured according to its residing master slave relation in communication process by designing a kind of communication agent,
Avoid I/O mouthfuls of the communication of two communication agents from being chronically at pull-up state, produce power consumption under two body voltage differences of powering, enter
One step reduces system power dissipation, improves battery.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of intersubjective low power loss communication of different electrical power
System and method, solve the problem of communication agent produces power consumption under body voltage difference of powering, further reduction system work(
Consumption, improves battery.
The purpose of the present invention is achieved through the following technical solutions：A kind of intersubjective low power loss communication of different electrical power
System, it includes at least two communication agents, multiple power supply circuits being connected with communication agent and multiple communication interface lines, institute
The communication interface line stated connects the I/O ends of two communication agents, and described communication agent includes pull-up enable and drop-down is enabled,
The I/O ends for pulling up the one end enabled and communication agent are connected, and the other end that pull-up is enabled is connected with power supply, pull down the one end enabled
It is connected with the I/O ends of communication agent, the other end ground connection that drop-down is enabled.
Described drop-down, which is enabled, includes a pull down resistor and control drop-down enables pulling down switch for opening and closing.
Described pull-up, which is enabled, includes a pull-up resistor and control pull-up enables the pull-up switch of opening and closing.
The method that the intersubjective low power loss communication system of described different electrical power reduces communication power consumption, it includes following step
Suddenly：
（1）Described communication agent is opened drop-down and enabled when not communicated, is set to drop-down input；
（2）Described communication agent is when being communicated：The communication agent for initiating communication opens pull-up enable, sets
For pull-up output, the communication agent for receiving the communication information keeps drop-down to enable the state opened, in drop-down input；
（3）Described communication agent is closed pull-up and enabled after communication is terminated, and drop-down, which is enabled, opens, and is set to drop-down defeated
Enter.
The beneficial effects of the invention are as follows：The present invention is by communication agent according to its residing master slave relation in communication process
I/O mouthfuls of the communication of itself is automatically configured, it is to avoid I/O mouthfuls of the communication of two communication agents is chronically at pull-up state, in two confessions
Electric body voltage difference is lower to produce power consumption, further reduces system power dissipation, improves battery.
Brief description of the drawings
Fig. 1 is block diagram of the present invention.
Embodiment
Technical scheme is described in further detail below in conjunction with the accompanying drawings：As shown in figure 1, the present embodiment includes communication
Main body 1, communication agent 2, the power supply circuit of communication agent 1, the power supply circuit of communication agent 2 and communication interface line, described communication
I/O mouthfuls of the communication of interface circuit connection communication main body 1 and communication agent 2, the described power supply circuit of communication agent 1 and communication agent
The supply voltage pressure difference of 2 power supply circuits is small.
During system electrification, I/O mouthfuls of drop-downs of communication of two communication agents are enabled and opened, drop-down input is set to.
When communication agent 1 initiates to communicate, pull-up is enabled and opened, be set to pull-up output；The communication I/ of communication agent 2
O mouthfuls keep drop-down to enable opening, in drop-down input；After the completion of communication, I/O mouthfuls of pull-up of communication of communication agent 1, which are enabled, prohibits
Only, drop-down, which is enabled, opens, and is set to drop-down input.It is then opposite when communication agent 2 initiates to communicate.
Claims (4)
1. a kind of intersubjective low power loss communication system of different electrical power, it is characterised in that：It includes at least two communication agents, many
The individual power supply circuit being connected with communication agent and multiple communication interface lines, described communication interface line connect two communication masters
The I/O ends of body, described communication agent includes pull-up and enabled and drop-down enable, pulls up the I/O of the one end enabled and communication agent
End connection, the other end that pull-up is enabled is connected with power supply, and the I/O ends for pulling down the one end enabled and communication agent are connected, and drop-down makes
The other end ground connection of energy；
I/O mouthfuls of the communication of itself is automatically configured according to its residing master slave relation in communication process by communication agent, it is to avoid
I/O mouthfuls of the communication of two communication agents is chronically at pull-up state, produces power consumption under two body voltage differences of powering, further
Reduce system power dissipation.
2. the intersubjective low power loss communication system of a kind of different electrical power according to claim 1, it is characterised in that：Described
Drop-down, which is enabled, includes a pull down resistor and control drop-down enables pulling down switch for opening and closing.
3. the intersubjective low power loss communication system of a kind of different electrical power according to claim 1, it is characterised in that：Described
Pull-up, which is enabled, includes a pull-up resistor and control pull-up enables the pull-up switch of opening and closing.
4. the intersubjective low power loss communication system reduction communication power consumption of a kind of different electrical power as described in claim any one of 1-3
Method, it is characterised in that：It comprises the following steps：
（1）Described communication agent is opened drop-down and enabled when not communicated, is set to drop-down input；
（2）Described communication agent is when being communicated：The communication agent for initiating communication opens pull-up enable, is set to
Output is drawn, the communication agent for receiving the communication information keeps drop-down to enable the state opened, in drop-down input；
（3）Described communication agent is closed pull-up and enabled after communication is terminated, and drop-down, which is enabled, opens, and is set to drop-down input；
I/O mouthfuls of the communication of itself is automatically configured according to its residing master slave relation in communication process by communication agent, it is to avoid
I/O mouthfuls of the communication of two communication agents is chronically at pull-up state, produces power consumption under two body voltage differences of powering, further
Reduce system power dissipation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510055292.3A CN104635589B (en) | 2015-02-03 | 2015-02-03 | A kind of intersubjective low power loss communication system and method for different electrical power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510055292.3A CN104635589B (en) | 2015-02-03 | 2015-02-03 | A kind of intersubjective low power loss communication system and method for different electrical power |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104635589A CN104635589A (en) | 2015-05-20 |
| CN104635589B true CN104635589B (en) | 2017-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510055292.3A Active CN104635589B (en) | 2015-02-03 | 2015-02-03 | A kind of intersubjective low power loss communication system and method for different electrical power |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101414748A (en) * | 2007-10-19 | 2009-04-22 | 深圳迈瑞生物医疗电子股份有限公司 | Method for starting control circuit and protecting power supply control chip |
| CN101795132A (en) * | 2010-04-02 | 2010-08-04 | 日银Imp微电子有限公司 | Potential pull-up circuit and pull-down circuit of I/O port of integrated circuit |
| CN102110237A (en) * | 2009-12-23 | 2011-06-29 | 北京中电华大电子设计有限责任公司 | Processing method for lowering power consumption of multi-interface IC (Integrated Circuit) card pin |
| CN103490757A (en) * | 2013-08-28 | 2014-01-01 | 华为技术有限公司 | Method and device for outputting signals based on I/O interface |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8421502B2 (en) * | 2005-11-10 | 2013-04-16 | Intel Corporation | Power reducing logic and non-destructive latch circuits and applications |
-
2015
- 2015-02-03 CN CN201510055292.3A patent/CN104635589B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101414748A (en) * | 2007-10-19 | 2009-04-22 | 深圳迈瑞生物医疗电子股份有限公司 | Method for starting control circuit and protecting power supply control chip |
| CN102110237A (en) * | 2009-12-23 | 2011-06-29 | 北京中电华大电子设计有限责任公司 | Processing method for lowering power consumption of multi-interface IC (Integrated Circuit) card pin |
| CN101795132A (en) * | 2010-04-02 | 2010-08-04 | 日银Imp微电子有限公司 | Potential pull-up circuit and pull-down circuit of I/O port of integrated circuit |
| CN103490757A (en) * | 2013-08-28 | 2014-01-01 | 华为技术有限公司 | Method and device for outputting signals based on I/O interface |
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| Publication number | Publication date |
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| CN104635589A (en) | 2015-05-20 |
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Address after: 610000 Longquanyi, Sichuan Province Industrial Park licensing Applicant after: Chengdu Qinchuan networking Polytron Technologies Inc Address before: 610199 Longquanyi, Sichuan Province Industrial Park licensing Applicant before: Chengdu Taichuan Technology Development Co., Ltd. |
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