CN203276161U - Low-power-consumption embedded intelligent core system - Google Patents
Low-power-consumption embedded intelligent core system Download PDFInfo
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- CN203276161U CN203276161U CN 201220748533 CN201220748533U CN203276161U CN 203276161 U CN203276161 U CN 203276161U CN 201220748533 CN201220748533 CN 201220748533 CN 201220748533 U CN201220748533 U CN 201220748533U CN 203276161 U CN203276161 U CN 203276161U
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Abstract
The utility model discloses a low-power-consumption embedded intelligent core system, which comprises a CPU (central processing unit), a memory and a buffer, wherein the memory and the buffer are respectively connected with the CPU, the low-power-consumption embedded intelligent core system also comprises a power supply management module, the power supply management module is connected with the CPU through an I2C bus for carrying out power supply output capability regulation and monitoring and consists of at least two triggering modules, when the load of the CPU or the memory is higher than the first threshold, a module for improving the power supply voltage and the work frequency of the CPU is triggered, when the load of the CPU or the memory is lower than the second threshold, a module which reduces the power supply voltage and the work frequency of the CPU and enters the partial dormant state is triggered, when the load of the CPU or the memory is lower than the third threshold, a module entering the deep dormant state is triggered, and in the dormant state, when events occur, a module entering or partially entering the work state is triggered. On the premise of ensuring the high-frequency performance of the embedded core system, the power consumption of the whole system is reduced.
Description
Technical field
The utility model relates to a kind of embedded technology, relates in particular to a kind of embedded technology of low power-consumption intelligent core system.
Background technology
At present, in the design of the embedded core board of industrial circle, the problem that the ubiquity power dissipation ratio is higher, higher power consumption consumes a large amount of electric energy on the one hand, large power consumption also may be accelerated the aging of some components and parts on the other hand, reduced the serviceable life of equipment, high consumption equipment is had relatively high expectations to environment, is unwell in industrial external environment condition and uses.
Therefore, how can be under the prerequisite that guarantees enough processing poweies, the reduce power consumption, reduce volume, thereby be fit to the difficult problem that more different power supply environment and installation environment become industrial Internet of Things industry.
The utility model content
The technical matters that the utility model mainly solves is to provide a kind of low-power-consumption embedded intelligent kernel system, makes under the prerequisite that has guaranteed the system high-frequency performance, has reduced the power consumption of whole system.
In order to solve the problems of the technologies described above, the utility model provides a kind of low-power-consumption embedded intelligent kernel system, comprises a CPU, an internal memory, a buffer memory, and internal memory is connected with CPU with buffer memory and is connected, and also comprises:
One power management module, power management module is connected with CPU by the I2C bus, carries out the power supply fan-out capability and adjusts and monitor;
Power management module is made of at least one trigger module: during higher than the first thresholding, trigger the module that improves supply voltage and CPU frequency of operation in CPU or Memory Load; , trigger and reduce supply voltage and CPU frequency of operation during lower than the second thresholding in CPU or Memory Load, change the module of part dormant state over to; During lower than the 3rd thresholding, trigger the module that changes deep sleep state in CPU or Memory Load; In dormant state, occur if any event, trigger the module that changes over to or partly change duty over to.
As further improvement, power management module also comprises:
The multi-mode supply module is used for supporting DC-voltage supply, USB power supply and lithium battery power supply;
By the multichannel programmable power supply output module that DC-DC power supply DC/DC module and low pressure difference linear voltage regulator LDO consist of, this multichannel programmable power supply output module is connected with described multi-mode supply module;
The power switch handover module is connected with multichannel programmable power supply output module, is used for cutting off the electricity supply switch when abnormal problem occurring.
As further improvement, this system also comprises online debugging interface, is connected with CPU, is used for providing the hardware capability diagnostic test.
As further improvement, this system also comprises extensive interface, is connected with CPU, and extensive interface can be constituted by following one or more: the UART interface, 10/100M adaptive network interface, I2C bus interface, spi bus interface, USB2.0 interface, high speed SD card interface, AI/AO gather controls mouth, low-power consumption global function GPMC interface, the JTAG debug port, direct supply input/output port, and/or lithium battery power supply/charging inlet.
As further improvement, the frequency of operation of 10/100M adaptive network interface reaches 100M, and USB2.0 interfaces frequency reaches 960M.
As further improvement, the core cpu voltage 1.1V of multichannel programmable power supply output module output, I/O voltage 1.8V, peripheral hardware voltage 3.3V.
The utility model embodiment compared with prior art, the key distinction and effect thereof are: comprise in this core system: a power management module, power management module are connected with CPU by the I2C bus, carry out the adjustment of power supply fan-out capability and monitor; Power management module is made of at least two trigger modules: in CPU or Memory Load during higher than the first thresholding, trigger the module that improves supply voltage and CPU frequency of operation, in CPU or Memory Load during lower than the second thresholding, trigger and reduce supply voltage and CPU frequency of operation, change the module of part dormant state over to; During lower than the 3rd thresholding, trigger the module that changes deep sleep state in CPU or Memory Load; In dormant state, occur if any event, trigger the module that changes over to or partly change duty over to.By this power management module, make under the prerequisite of the high frequency performance that has guaranteed embedded core system, reduced the power consumption of whole system.
Description of drawings
Fig. 1 is a kind of low-power-consumption embedded intelligent kernel system of systems structural drawing in the utility model one better embodiment.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
The utility model one better embodiment relates to a kind of low-power-consumption embedded intelligent kernel system, and its system construction drawing comprises a CPU, an internal memory, a buffer memory, a power management module, on-line debugging interface and extensive interface as shown in Figure 1.
In present embodiment, CPU can adopt TI AM335X260MHz/500MHz/720MHz, can require the automatic or manual controlled frequency according to energy consumption and computing.Wherein, 720MHz is the high load capacity pattern, and 500MHz is general mode, and 260MHz is low-power consumption mode, also comprises deep sleep mode, and work, other are not all powered except elapsed time clock.
Power management module is connected with CPU by the I2C bus, carries out the power supply fan-out capability and adjusts and monitor, as adopting the TPS65217B power management module.
Specifically can comprise in this power management module: a plurality of trigger modules (can be trigger), multi-mode supply module, multichannel programmable power supply output module and power switch handover module.
Trigger module one: during higher than the first thresholding, trigger the module that improves supply voltage and CPU frequency of operation in CPU or Memory Load, CPU enters the high load capacity pattern;
Trigger module two:, trigger and reduce supply voltage and CPU frequency of operation during lower than the second thresholding in CPU or Memory Load, change the part dormant state over to, claim again low-power consumption mode;
Trigger module three: during lower than the 3rd thresholding, trigger changing deep sleep state in CPU or Memory Load;
Trigger module four: in dormant state, occur if any event, trigger changing over to or partly changing duty over to, namely enter general mode or low-power consumption mode.
What need to further illustrate is that above four kinds of trigger modules can be integrated in a trigger module, can be also four independent trigger modules.
The multi-mode supply module is used for supporting DC-voltage supply, USB power supply and lithium battery power supply;
Multichannel programmable power supply output module is connected with the multi-mode supply module, is made of DC-DC power supply DC/DC module and low pressure difference linear voltage regulator LDO, is used for the triggering command according to above-mentioned trigger module, adjusts the voltage that outputs to CPU, I/O, peripheral hardware.Export under normal circumstances core cpu voltage 1.1V, I/O voltage 1.8V, peripheral hardware voltage 3.3V.
The power switch handover module is connected with multichannel programmable power supply output module, is used for cutting off the electricity supply switch when abnormal problem occurring.When specific implementation, the power switch handover module can adopt MCP349 automatic power protection module.
Internal memory is connected with CPU, can adopt super low-power consumption to move memory chip 64MB/128MB/256MB Low Power mDDR400, and standard configuration is 256MHz.
Buffer memory is connected with CPU, can adopt 32K/32K LI, 256K L2.
The on-line debugging interface is connected with CPU, is used for providing the hardware capability diagnostic test.
Extensive interface is connected with CPU, constituted by following one or more: the UART interface, 10/100M adaptive network interface, I2C bus interface, spi bus interface, USB2.0 interface, high speed SD card interface, AI/AO gather controls mouth, low-power consumption global function GPMC interface, the JTAG debug port, direct supply input/output port, and/or lithium battery power supply/charging inlet.Wherein, the frequency of operation of 10/100M adaptive network interface reaches 100M, and USB2.0 interfaces frequency reaches 960M.
In specific implementation process, the function of above extensive interface all can redefine according to user's demand.
Present embodiment makes under the prerequisite of the high frequency performance that has guaranteed embedded core system, has reduced the power consumption of whole system.
Although by reference some preferred implementation of the present utility model, the utility model is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and do not depart from spirit and scope of the present utility model.
Claims (6)
1. a low-power-consumption embedded intelligent kernel system, comprise a CPU, an internal memory, a buffer memory, and described internal memory is connected with CPU with buffer memory and is connected, and it is characterized in that, also comprises:
One power management module, described power management module is connected with described CPU by the I2C bus, carries out the power supply fan-out capability and adjusts and monitor;
Described power management module is made of at least one trigger module: during higher than the first thresholding, trigger the module that improves supply voltage and CPU frequency of operation in CPU or Memory Load; , trigger and reduce supply voltage and CPU frequency of operation during lower than the second thresholding in CPU or Memory Load, change the module of part dormant state over to; During lower than the 3rd thresholding, trigger the module that changes deep sleep state in CPU or Memory Load; In dormant state, occur if any event, trigger the module that changes over to or partly change duty over to.
2. low-power-consumption embedded intelligent kernel according to claim 1 system, is characterized in that, described power management module also comprises:
The multi-mode supply module is used for supporting DC-voltage supply, USB power supply and lithium battery power supply;
By the multichannel programmable power supply output module that DC-DC power supply DC/DC module and low pressure difference linear voltage regulator LDO consist of, this multichannel programmable power supply output module is connected with described multi-mode supply module;
The power switch handover module is connected with described multichannel programmable power supply output module, is used for cutting off the electricity supply switch when abnormal problem occurring.
3. low-power-consumption embedded intelligent kernel according to claim 1 system, is characterized in that, this system also comprises online debugging interface, is connected with described CPU, is used for providing the hardware capability diagnostic test.
4. low-power-consumption embedded intelligent kernel according to claim 1 system, is characterized in that, this system also comprises extensive interface, is connected with described CPU, and described extensive interface is made of following one or a combination set of:
UART interface, 10/100M adaptive network interface, I2C bus interface, spi bus interface, USB2.0 interface, high speed SD card interface, AI/AO gather and control mouth, low-power consumption global function GPMC interface, JTAG debug port, direct supply input/output port and/or lithium battery power supply/charging inlet.
5. low-power-consumption embedded intelligent kernel according to claim 4 system, is characterized in that, the frequency of operation of described 10/100M adaptive network interface reaches 100M, and described USB2.0 interfaces frequency reaches 960M.
6. low-power-consumption embedded intelligent kernel according to claim 2 system, is characterized in that the core cpu voltage 1.1V of described multichannel programmable power supply output module output, I/O voltage 1.8V, peripheral hardware voltage 3.3V.
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| CN 201220748533 CN203276161U (en) | 2012-12-29 | 2012-12-29 | Low-power-consumption embedded intelligent core system |
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| CN 201220748533 CN203276161U (en) | 2012-12-29 | 2012-12-29 | Low-power-consumption embedded intelligent core system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105892614A (en) * | 2015-12-18 | 2016-08-24 | 乐视移动智能信息技术（北京）有限公司 | Power consumption management and control method and system of intelligent terminal |
| CN107947948A (en) * | 2017-11-27 | 2018-04-20 | 广东上风环保科技有限公司 | Intelligent frequency modulation monitoring terminal and the method for reducing power consumption of terminal |
| CN110908493A (en) * | 2019-11-15 | 2020-03-24 | 浙江大华技术股份有限公司 | Power supply control method and device |
| CN112650087A (en) * | 2020-08-27 | 2021-04-13 | 合肥恒烁半导体有限公司 | Power supply control circuit of MCU chip |
| CN113050485A (en) * | 2021-03-12 | 2021-06-29 | 山西国惠光电科技有限公司 | Core control platform for intelligent control system |
-
2012
- 2012-12-29 CN CN 201220748533 patent/CN203276161U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105892614A (en) * | 2015-12-18 | 2016-08-24 | 乐视移动智能信息技术（北京）有限公司 | Power consumption management and control method and system of intelligent terminal |
| CN107947948A (en) * | 2017-11-27 | 2018-04-20 | 广东上风环保科技有限公司 | Intelligent frequency modulation monitoring terminal and the method for reducing power consumption of terminal |
| CN110908493A (en) * | 2019-11-15 | 2020-03-24 | 浙江大华技术股份有限公司 | Power supply control method and device |
| CN112650087A (en) * | 2020-08-27 | 2021-04-13 | 合肥恒烁半导体有限公司 | Power supply control circuit of MCU chip |
| CN112650087B (en) * | 2020-08-27 | 2022-05-27 | 恒烁半导体(合肥)股份有限公司 | Power supply control circuit of MCU chip |
| CN113050485A (en) * | 2021-03-12 | 2021-06-29 | 山西国惠光电科技有限公司 | Core control platform for intelligent control system |
| CN113050485B (en) * | 2021-03-12 | 2023-07-04 | 山西国惠光电科技有限公司 | Core control platform for intelligent control system |
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Granted publication date: 20131106 Termination date: 20161229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |