CN101872231A - Micro-control processing chip of built-in voltage converter and wireless mouse using same - Google Patents
Micro-control processing chip of built-in voltage converter and wireless mouse using same Download PDFInfo
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Abstract
The invention provides a micro-control processing chip of a built-in voltage converter and a wireless mouse using the same. The micro-control processing chip comprises a DC-DC converter, a timer, a central processing module, an input and output interface and a timing control module. The DC-DC converter converts a first DC voltage of a battery into a second DC voltage, and the timer outputs a timing signal; the central processing module controls the wireless mouse to enter a power saving mode based on the state of the timing signal; in the power saving mode, the input and output interface outputs a wake-up signal according to the state of an operating member, and the central processing module controls the wireless mouse to enter into an operation mode according to the state of the wake-up signal; and the timing control module controls one of the first DC voltage and the second DC voltage according to the states of the timing signal and the wake-up signal to supply operation voltage for the wireless mouse. The micro-control processing chip and the wireless mouse provided by the invention enhance system integration level, reduce the mechanism costs and can effectively manage power.
Description
Technical field
The present invention is relevant for a kind of microcontroller process chip, particularly relevant for a kind of microcontroller process chip of built-in voltage converter and use its wireless mouse.
Background technology
At present, most of wireless mouse all is as power supply, so that the microcontroller process chip in the wireless mouse and the operating voltage of other peripheral elements to be provided with two batteries (that is, providing the voltage of 3V).At the application demand of single the battery that is tending towards main flow in the market gradually (that is, providing the voltage of 1.5V), common solution is that the output terminal at single battery couples a DC-to-DC converter again, with boost in voltage that single battery is provided to 3V.
Yet this kind way makes the whole mechanism of wireless mouse must additionally increase a DC-to-DC converter again, causes the increase of cost.In addition, though be single powered battery, whole mechanism is equivalent to be operated under the 3V operating voltage that provides via DC-to-DC converter always, thus be unfavorable for wireless mouse is carried out the efficient system power consumption control, thus shortened the serviceable life of battery.
Summary of the invention
The object of the present invention is to provide a kind of microcontroller process chip of built-in voltage converter and use its wireless mouse, to improve the disappearance of prior art.
For solveing the technical problem, technical scheme of the present invention is:
The microcontroller process chip of built-in voltage converter provided by the invention is applied to wireless mouse.Wireless mouse comprises operating parts and battery, and the microcontroller process chip is respectively coupled to operating parts and battery, and battery provides first DC voltage.The microcontroller process chip comprises DC-to-DC converter, timer, central processing module, IO interface and time-sequence control module.DC-to-DC converter is coupled to battery, and DC-to-DC converter is converted to second DC voltage with first DC voltage.Timer output timing signal.Central processing module is coupled to DC-to-DC converter and timer, and central processing module enters battery saving mode according to the State Control wireless mouse of timing signal.IO interface is coupled to operating parts and central processing module, and under battery saving mode, IO interface is according to the state output wake-up signal of operating parts, and central processing module enters mode of operation according to the State Control wireless mouse of wake-up signal.Time-sequence control module is coupled to timer, IO interface and central processing module, and one of them provides the operating voltage of wireless mouse to time-sequence control module according to State Control first DC voltage of timing signal and wake-up signal and second DC voltage.
In one embodiment of this invention, first DC voltage is 1.5V, and second DC voltage is 3V.
In one embodiment of this invention, when timing signal was high level, time-sequence control module forbidden energy DC-to-DC converter was also controlled first DC voltage operating voltage is provided.
In one embodiment of this invention, the microcontroller process chip also comprises power change-over switch, be coupled to DC-to-DC converter and battery, when timing signal was high level, time-sequence control module control power change-over switch switched to powered battery to provide operating voltage by first DC voltage.
In one embodiment of this invention, when wake-up signal was high level, central processing module control timer resetted and shields timing signal, and time-sequence control module activation DC-to-DC converter is also controlled second DC voltage operating voltage is provided.
In one embodiment of this invention, the microcontroller process chip also comprises power change-over switch, be coupled to DC-to-DC converter and battery, when wake-up signal was high level, time-sequence control module control power change-over switch switched to the DC-to-DC converter power supply to provide operating voltage by second DC voltage.
In one embodiment of this invention, the microcontroller process chip also comprises random access memory, is coupled to central processing module.
In one embodiment of this invention, the microcontroller process chip also comprises flash memory, is coupled to central processing module.
In one embodiment of this invention, the microcontroller process chip also comprises oscillator, is coupled to central processing module, and oscillator provides elapsed time clock for timer.
In one embodiment of this invention, the microcontroller process chip also comprises the detecting voltage device, is coupled to battery, with first DC voltage of detecting battery.
The present invention also provides a kind of wireless mouse.Wireless mouse comprises operating parts, battery and microcontroller process chip.Battery provides first DC voltage.The microcontroller process chip is respectively coupled to operating parts and battery.The microcontroller process chip comprises DC-to-DC converter, timer, central processing module, IO interface and time-sequence control module.DC-to-DC converter is coupled to battery, and DC-to-DC converter is converted to second DC voltage with first DC voltage.Timer output timing signal.Central processing module is coupled to DC-to-DC converter and timer, and central processing module enters battery saving mode according to the State Control wireless mouse of timing signal.IO interface is coupled to operating parts and central processing module, and under battery saving mode, IO interface is according to the state output wake-up signal of operating parts, and central processing module enters mode of operation according to the State Control wireless mouse of wake-up signal.Time-sequence control module is coupled to timer, IO interface and central processing module, and one of them provides the operating voltage of wireless mouse to time-sequence control module according to State Control first DC voltage of timing signal and wake-up signal and second DC voltage.
In one embodiment of this invention, operating parts is left button, middle key, right button or roller.
In one embodiment of this invention, when timing signal was high level, time-sequence control module forbidden energy DC-to-DC converter was also controlled first DC voltage operating voltage is provided.
In one embodiment of this invention, the microcontroller process chip also comprises power change-over switch, be coupled to DC-to-DC converter and battery, when timing signal was high level, time-sequence control module control power change-over switch switched to powered battery to provide operating voltage by first DC voltage.
In one embodiment of this invention, when wake-up signal was high level, central processing module control timer resetted and shields timing signal, and time-sequence control module activation DC-to-DC converter is also controlled second DC voltage operating voltage is provided.
In one embodiment of this invention, the microcontroller process chip also comprises power change-over switch, be coupled to DC-to-DC converter and battery, when wake-up signal was high level, time-sequence control module control power change-over switch switched to the DC-to-DC converter power supply to provide operating voltage by second DC voltage.
In one embodiment of this invention, the microcontroller process chip also comprises random access memory, is coupled to central processing module.
In one embodiment of this invention, the microcontroller process chip also comprises flash memory, is coupled to central processing module.
In one embodiment of this invention, the microcontroller process chip also comprises oscillator, is coupled to central processing module, and oscillator provides elapsed time clock for timer.
In one embodiment of this invention, the microcontroller process chip also comprises the detecting voltage device, is coupled to battery, with first DC voltage of detecting battery.
In one embodiment of this invention, wireless mouse also comprises wireless communication module, is coupled to central processing module.
In one embodiment of this invention, wireless mouse also comprises inductor, is coupled to central processing module.
Compared with prior art, beneficial effect of the present invention can be:
Microcontroller process chip provided by the invention and wireless mouse, built-in DC-to-DC converter in the microcontroller process chip, thus improved the integrated level of system, effectively reduce agency cost.Simultaneously because the built-in power management that helps to promote wireless mouse of DC-to-DC converter, design enters the battery saving mode may command and switches to single battery without the voltage transitions of DC-to-DC converter and directly power.So, can carry out power management effectively, thereby prolong the serviceable life of single battery with the reduction power consumption.
For described and other purpose, feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and conjunction with figs. are described in detail below.
Description of drawings
Fig. 1 is the functional block diagram according to the wireless mouse of a preferred embodiment of the present invention.
Fig. 2 is the functional block diagram according to the microcontroller process chip of the wireless mouse of a preferred embodiment of the present invention.
Embodiment
Fig. 1 is the functional block diagram according to the wireless mouse of a preferred embodiment of the present invention.Please refer to Fig. 1.In the present embodiment, wireless mouse 1 comprises operating parts 10, inductor 11, battery 12, wireless communication module 13, antenna 14 and microcontroller process chip 15.Operating parts 10, inductor 11, battery 12 and wireless communication module 13 are respectively coupled to microcontroller process chip 15.Antenna 14 is coupled to wireless communication module 13.Yet the present invention does not do any qualification to this.In other embodiments, antenna 14 also can be integrated in the microcontroller process chip 15.
In the present embodiment, operating parts 10 can be any button, for example can be left button, middle key or right button, also can be roller, and the present invention does not do any qualification to this.When practical application, left button, middle key and right button can be separately positioned on the upper surface of wireless mouse 1, and middle key is positioned at the front end central authorities of upper surface, the both sides of key during left button and right button lay respectively at, and roller can be arranged in the rear end of key.Yet the present invention does not do any qualification to this.In other embodiments, left button, middle key, right button or roller can be arranged at other position, perhaps also middle key can be set.
In the present embodiment, when wireless mouse 1 was in mode of operation, when user's operating operation spare 10, when for example pressing left button, microcontroller process chip 15 can be encoded this signal and is sent to host computer, operates accordingly with the controlling computer main frame.
In the present embodiment, inductor 11 can be arranged at the bottom center of wireless mouse 1, it is used for the displacement of induction wireless mouse on platforms such as desktop, and with this displacement signal transmission microcontroller process chip 15, microcontroller process chip 15 promptly is sent to host computer after this displacement signal is encoded, and moves with cursor corresponding on the controlling computer indicator screen.Yet the present invention does not do any qualification to this.In other embodiments, inductor 11 can be two induction gyroscopes, with induction user's hand motion direction and the action side-play amount that the counterparty makes progress, realizes " off-table type " mouse function.
In the present embodiment, battery 12 is the power supply of whole wireless mouse 1, and it can provide first DC voltage.Under battery saving mode, this first DC voltage can be directly as the operating voltage of wireless mouse 1; Under mode of operation, it is second DC voltage that this first DC voltage is boosted through microcontroller process chip 15, and this second DC voltage can be used as the operating voltage of wireless mouse 1.In the present embodiment, first DC voltage can be 1.5V.Yet the present invention does not do any qualification to the numerical value of first DC voltage.In the present embodiment, battery 12 can be general dry battery, also can be rechargeable battery, for example can be lithium battery.Yet the present invention does not do any qualification to this.In other embodiments, battery 12 also can be nickel-cadmium battery or Ni-MH battery.
In the present embodiment, wireless communication module 13 can receive the data that microcontroller process chip 15 transmits, and these data is sent to the wireless receiving module of host computer correspondence through antenna 14.In the present embodiment, wireless communication module 13 can adopt radio-frequency technique and host computer to carry out wireless telecommunications.Yet the present invention does not do any qualification to this.In other embodiments, wireless communication module 13 also can adopt infrared ray or Bluetooth technology and host computer to carry out wireless telecommunications.
In the present embodiment, antenna 14 is used for transmitting or receiving data.
In the present embodiment, microcontroller process chip 15 is high integrated circuit chip.About its concrete structure, be detailed later.
Fig. 2 is the functional block diagram according to the microcontroller process chip of the wireless mouse of a preferred embodiment of the present invention.Please refer to Fig. 1 and Fig. 2.In the present embodiment, microcontroller process chip 15 comprises internal bus 150, central processing module 151, flash memory 152, random access memory 153, oscillator 154, timer 155, IO interface 156, DC-to-DC converter 157, power change-over switch 158, time-sequence control module 159 and detecting voltage device 160.Flash memory 152, random access memory 153, oscillator 154, timer 155, IO interface 156, DC-to-DC converter 157, power change-over switch 158, time-sequence control module 159 and detecting voltage device 160 are coupled to central processing module 151 by internal bus 150 respectively.In addition, time-sequence control module 159 couples timer 155, IO interface 156, DC-to-DC converter 157 and power change-over switch 158 respectively.IO interface 156 is coupled to operating parts 10.DC-to-DC converter 157, power change-over switch 158 and detecting voltage device 160 are coupled to battery 12.
In the present embodiment, when wireless mouse 1 that microcontroller process chip 15 is applied among Fig. 1, central processing module 151 is responsible for handling, all data of computing wireless mouse 1 inside, and the exchange of control data.
In the present embodiment, flash memory 152 is used to store resident program, and in addition, it is used that its subregion can be used to substitute the EEPROM (Electrically Erasable Programmable Read Only Memo) (EEPROM) that need be external to the microcontroller process chip in the prior art.Yet the present invention does not do any qualification to this.
In the present embodiment, storage required instruction and data of current when operation in the random access memory 153.For example, when user's operating operation spare 10, its corresponding instruction and data can temporarily be stored in the random access memory 153 earlier.When carrying out these instruction and datas, these instruction and datas can be transferred to central processing module 151 and handle.Yet the present invention does not do any qualification to this.
In the present embodiment, oscillator 154 is built-in high frequency oscillation device, be used for replacing being coupled in the prior art microcontroller process chip external oscillator, for timer 155 provides elapsed time clock.About its particular circuit configurations, can be referring to the Chinese patent ZL 200310108874.0 of bulletin on September 17th, 2008, so do not repeat them here.
In the present embodiment, timer 155 can be used for timing, and the output timing signal.Particularly, after user's shut-down operation wireless mouse 1 surpassed Preset Time, the timing signal of timer 155 outputs can be high level.Under other state, the timing signal of timer 155 outputs can be low level.This Preset Time can be set up on their own by the user, for example can be set at five minutes.Central processing module 151 is promptly controlled wireless mouse 1 and is entered battery saving mode when receiving the timing signal of high level.Yet the present invention does not do any qualification to this.In other embodiments, after user's shut-down operation wireless mouse 1 surpassed Preset Time, the timing signal of timer 155 outputs also can be low level, and under other state, the timing signal of timer 155 outputs can be high level.
In the present embodiment, when wireless mouse 1 entered battery saving mode, IO interface 156 can be according to the state output wake-up signal of operating parts 10.Particularly, for example when the user pressed any button or scroll wheel or mobile wireless mouse 1, IO interface 156 promptly can be exported the wake-up signal of high level.Under other state, the wake-up signal of IO interface 156 outputs can be low level.Central processing module 151 is promptly controlled wireless mouse 1 and is entered mode of operation when receiving the wake-up signal of high level.Simultaneously, central processing module 151 can reset and shield the timing signal of timer 155 outputs according to the wake-up signal control timer 155 of this high level.Yet the present invention does not do any qualification to this.In other embodiments, when user's operating operation spare 10, the also exportable low level wake-up signal of IO interface 156, under other state, the wake-up signal of IO interface 156 outputs can be high level.
In the present embodiment, DC-to-DC converter 157 is used for first DC voltage that battery 12 provides is converted to second DC voltage.When wireless mouse 1 was in mode of operation, second DC voltage can be used as the operating voltage of wireless mouse 1, is microcontroller process chip 15 and peripheral element thereof working power is provided.In the present embodiment, this second DC voltage can be 3V.Yet the present invention does not do any qualification to this.
In the present embodiment, power change-over switch 158 is used to switch the supply path of the operating voltage of wireless mouse 1.Particularly, power change-over switch 158 is similar to a single-pole double-throw switch (SPDT), to control two supply paths.When wireless mouse 1 is in mode of operation, be connected to the supply path conducting of DC-to-DC converter 157, second DC voltage that DC-to-DC converter 157 provides is as the operating voltage of wireless mouse 1, and simultaneously, the supply path that is connected to battery 12 ends.Otherwise, when wireless mouse 1 is in battery saving mode, being connected to the supply path conducting of battery 12, first DC voltage that battery 12 provides is as the operating voltage of wireless mouse 1, and simultaneously, the supply path that is connected to DC-to-DC converter 157 ends.Yet the present invention does not do any qualification to this.In other embodiments, being connected to DC-to-DC converter 157 can be controlled respectively by two switches with the supply path of battery 12.
In the present embodiment, the wake-up signal that the timing signal that time-sequence control module 159 receives timers 155 outputs and IO interface 156 are exported, and according to State Control first DC voltage of timing signal and wake-up signal and second DC voltage one of them provides wireless mouse 1 required operating voltage.Particularly, when the timing signal that receives when sequential control module 159 is high level, at this moment, represent wireless mouse 1 to enter battery saving mode, time-sequence control module 159 can send low level control signal with forbidden energy DC-to-DC converter 157.Simultaneously, this low level control signal control linkage is to the supply path conducting of battery 12, and the supply path that is connected to DC-to-DC converter 157 ends, and makes first DC voltage that battery 12 the provides operating voltage as wireless mouse 1.
On the other hand, when the timing signal that receives when sequential control module 159 is low level, represent user's shut-down operation wireless mouse 1 to surpass Preset Time as yet, therefore, wireless mouse 1 still is in mode of operation.At this moment, the control signal that time-sequence control module 159 sends is a high level, DC-to-DC converter 157 operate as normal.Simultaneously, the control signal meeting control linkage of this high level is to the supply path conducting of DC-to-DC converter 157, the supply path that is connected to battery 12 ends, and makes second DC voltage that DC-to-DC converter 157 the provides operating voltage as wireless mouse 1.
In addition, when wireless mouse 1 was in battery saving mode, the user had operated operating parts 10, for example supressed left button, and IO interface 156 can be exported the wake-up signal of high level to time-sequence control module 159.Because the wake-up signal of this high level can shield the timing signal of timer 155 outputs, therefore, time-sequence control module 159 can only be received the wake-up signal of high level.In view of the above, when central processing module 151 control wireless mouses 1 returned back to mode of operation, time-sequence control module 159 can send the control signal of high level with activation DC-to-DC converter 157 accordingly according to the wake-up signal of high level.Simultaneously, the control signal control linkage of this high level is to the supply path conducting of DC-to-DC converter 157, and the supply path that is connected to battery 12 ends, and makes second DC voltage that DC-to-DC converter 157 the provides operating voltage as wireless mouse 1.Yet the present invention does not do any qualification to this.In other embodiments, also DC-to-DC converter 157 can be set at the high level forbidden energy, the low level activation.
In the present embodiment, detecting voltage device 160 is used to detect first DC voltage that battery 12 provides.Particularly, detecting voltage device 160 can be a comparer, first DC voltage and the standard value of the battery 12 that it obtains detecting, and for example 0.5V makes comparisons.Wherein, this standard value can be obtained through electric resistance partial pressure by the operating voltage that detecting voltage device 160 obtains again, and perhaps, also this standard value can be stored in detecting voltage device 160 or the flash memory 152 in advance.The present invention does not do any qualification to this.When first DC voltage is lower than standard value, it can transmit corresponding cue to CPU (central processing unit) 151, so that CPU (central processing unit) 151 is sent corresponding caution message to host computer, make to occur corresponding warning message on the computer monitor screen, to point out the user to change battery 12 or battery 12 is charged.Yet the present invention does not do any qualification to this.When first DC voltage was lower than standard value, the may command light emitting diode continued luminous or hummer sends chimes of doom.Wherein, this light emitting diode or hummer can be arranged at computer, also can be arranged at wireless mouse 1.
In sum, the microcontroller process chip that preferred embodiment of the present invention provides and use its wireless mouse, built-in DC-to-DC converter in the microcontroller process chip, also can be with originally external discrete component, for example flash memory, oscillator, detecting voltage device are all by built-in realization, thereby greatly improved the integrated level of system, effectively reduced agency cost.Simultaneously because the built-in power management that helps to promote wireless mouse of DC-to-DC converter, design enters the battery saving mode may command and switches to single battery without the voltage transitions of DC-to-DC converter and directly power.So, can carry out power management effectively, thereby prolong the serviceable life of single battery with the reduction power consumption.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; have in the technical field under any and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can doing a little change and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (22)
1. the microcontroller process chip of a built-in voltage converter, be applied to wireless mouse, described wireless mouse comprises operating parts and battery, described microcontroller process chip is respectively coupled to described operating parts and described battery, described battery provides first DC voltage, it is characterized in that described microcontroller process chip comprises:
DC-to-DC converter is coupled to described battery, and described DC-to-DC converter is converted to second DC voltage with described first DC voltage;
Timer, the output timing signal;
Central processing module is coupled to described DC-to-DC converter and described timer, and described central processing module enters battery saving mode according to the described wireless mouse of the State Control of described timing signal;
IO interface, be coupled to described operating parts and described central processing module, under described battery saving mode, described IO interface is according to the state output wake-up signal of described operating parts, and described central processing module enters mode of operation according to the described wireless mouse of the State Control of described wake-up signal; And
Time-sequence control module, be coupled to described timer, described IO interface and described central processing module, one of them provides the operating voltage of described wireless mouse to described time-sequence control module according to described first DC voltage of the State Control of described timing signal and described wake-up signal and described second DC voltage.
2. the microcontroller process chip of built-in voltage converter according to claim 1 is characterized in that, described first DC voltage is 1.5V, and described second DC voltage is 3V.
3. the microcontroller process chip of built-in voltage converter according to claim 1, it is characterized in that, when described timing signal was high level, the described DC-to-DC converter of described time-sequence control module forbidden energy was also controlled described first DC voltage described operating voltage is provided.
4. the microcontroller process chip of built-in voltage converter according to claim 3, it is characterized in that, described microcontroller process chip also comprises power change-over switch, be coupled to described DC-to-DC converter and described battery, when described timing signal was high level, described time-sequence control module was controlled described power change-over switch and is switched to described powered battery to provide described operating voltage by described first DC voltage.
5. the microcontroller process chip of built-in voltage converter according to claim 1, it is characterized in that, when described wake-up signal is high level, described central processing module is controlled described timer and is resetted and shield described timing signal, and the described DC-to-DC converter of described time-sequence control module activation is also controlled described second DC voltage described operating voltage is provided.
6. the microcontroller process chip of built-in voltage converter according to claim 5, it is characterized in that, described microcontroller process chip also comprises power change-over switch, be coupled to described DC-to-DC converter and described battery, when described wake-up signal was high level, described time-sequence control module was controlled described power change-over switch and is switched to described DC-to-DC converter power supply to provide described operating voltage by described second DC voltage.
7. the microcontroller process chip of built-in voltage converter according to claim 1 is characterized in that, described microcontroller process chip also comprises random access memory, is coupled to described central processing module.
8. the microcontroller process chip of built-in voltage converter according to claim 1 is characterized in that, described microcontroller process chip also comprises flash memory, is coupled to described central processing module.
9. the microcontroller process chip of built-in voltage converter according to claim 1 is characterized in that, described microcontroller process chip also comprises oscillator, is coupled to described central processing module, and described oscillator provides elapsed time clock for described timer.
10. the microcontroller process chip of built-in voltage converter according to claim 1 is characterized in that, described microcontroller process chip also comprises the detecting voltage device, is coupled to described battery, to detect described first DC voltage of described battery.
11. a wireless mouse is characterized in that, comprising:
Operating parts;
Battery, described battery provides first DC voltage; And
The microcontroller process chip is respectively coupled to described operating parts and described battery, and described microcontroller process chip comprises:
DC-to-DC converter is coupled to described battery, and described DC-to-DC converter is converted to second DC voltage with described first DC voltage;
Timer, the output timing signal;
Central processing module is coupled to described DC-to-DC converter and described timer, and described central processing module enters battery saving mode according to the described wireless mouse of the State Control of described timing signal;
IO interface, be coupled to described operating parts and described central processing module, under described battery saving mode, described IO interface is according to the state output wake-up signal of described operating parts, and described central processing module enters mode of operation according to the described wireless mouse of the State Control of described wake-up signal; And
Time-sequence control module, be coupled to described timer, described IO interface and described central processing module, one of them provides the operating voltage of described wireless mouse to described time-sequence control module according to described first DC voltage of the State Control of described timing signal and described wake-up signal and described second DC voltage.
12. wireless mouse according to claim 11 is characterized in that, described operating parts is left button, middle key, right button or roller.
13. wireless mouse according to claim 11 is characterized in that, when described timing signal was high level, the described DC-to-DC converter of described time-sequence control module forbidden energy was also controlled described first DC voltage described operating voltage is provided.
14. wireless mouse according to claim 13, it is characterized in that, described microcontroller process chip also comprises power change-over switch, be coupled to described DC-to-DC converter and described battery, when described timing signal was high level, described time-sequence control module was controlled described power change-over switch and is switched to described powered battery to provide described operating voltage by described first DC voltage.
15. wireless mouse according to claim 11, it is characterized in that, when described wake-up signal is high level, described central processing module is controlled described timer and is resetted and shield described timing signal, and the described DC-to-DC converter of described time-sequence control module activation is also controlled described second DC voltage described operating voltage is provided.
16. wireless mouse according to claim 15, it is characterized in that, described microcontroller process chip also comprises power change-over switch, be coupled to described DC-to-DC converter and described battery, when described wake-up signal was high level, described time-sequence control module was controlled described power change-over switch and is switched to described DC-to-DC converter power supply to provide described operating voltage by described second DC voltage.
17. wireless mouse according to claim 11 is characterized in that, described microcontroller process chip also comprises random access memory, is coupled to described central processing module.
18. wireless mouse according to claim 11 is characterized in that, described microcontroller process chip also comprises flash memory, is coupled to described central processing module.
19. wireless mouse according to claim 11 is characterized in that, described microcontroller process chip also comprises oscillator, is coupled to described central processing module, and described oscillator provides elapsed time clock for described timer.
20. wireless mouse according to claim 11 is characterized in that, described microcontroller process chip also comprises the detecting voltage device, is coupled to described battery, to detect described first DC voltage of described battery.
21. wireless mouse according to claim 11 is characterized in that, described wireless mouse also comprises wireless communication module, is coupled to described central processing module.
22. wireless mouse according to claim 11 is characterized in that, described wireless mouse also comprises inductor, is coupled to described central processing module.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107749751A (en) * | 2017-09-29 | 2018-03-02 | 广东欧珀移动通信有限公司 | Mobile terminal electric power system and mobile terminal |
| 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 |
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| JPH11224158A (en) * | 1998-02-04 | 1999-08-17 | Mitsumi Electric Co Ltd | Wireless mouse |
| US20030197683A1 (en) * | 2002-04-17 | 2003-10-23 | Lite-On Technology Corporation | Device and method for power saving of wireless mouse |
| CN1622329A (en) * | 2003-11-26 | 2005-06-01 | 中颖电子(上海)有限公司 | Integrated circuit chip with built-in high precision frequency oscillator |
| CN1696962A (en) * | 2004-05-11 | 2005-11-16 | 原相科技股份有限公司 | Optical mouse possessing voltage boosting function and optical recognition module |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749751A (en) * | 2017-09-29 | 2018-03-02 | 广东欧珀移动通信有限公司 | Mobile terminal electric power system and mobile terminal |
| 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 |
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| CN101872231B (en) | 2012-05-23 |
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