CN109375703A - Clock circuit and electronic equipment - Google Patents
Clock circuit and electronic equipment Download PDFInfo
- Publication number
- CN109375703A CN109375703A CN201811010177.4A CN201811010177A CN109375703A CN 109375703 A CN109375703 A CN 109375703A CN 201811010177 A CN201811010177 A CN 201811010177A CN 109375703 A CN109375703 A CN 109375703A
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- China
- Prior art keywords
- clock
- clock circuit
- power supply
- pin
- electronic equipment
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/13—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals
- H03K5/135—Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals by the use of time reference signals, e.g. clock signals
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Nonlinear Science (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Abstract
The present invention provides a kind of clock circuit and electronic equipments, are related to technical field of electronic equipment, can reduce cost, energy saving.Main technical schemes of the invention are as follows: a kind of clock circuit, comprising: clock chip, the clock chip include output pin；First filter module, first filter module are connected with the output pin；At least three outlet lines, at least three outlet lines are in parallel, and are connected to the output pin by first filter module.The clock circuit is mainly used for multiple components in electron equipment and provides time clock feature.
Description
Technical field
The present invention relates to technical field of electronic equipment more particularly to a kind of clock circuits and electronic equipment.
Background technique
It improves with the development of science and technology, the electronic equipments such as mobile phone, smartwatch have become the daily essential work of people
Tool, nowadays electronic equipment is designed towards the direction of energy-saving low cost more and more.
Wherein, many components in electronic equipment need to be configured with clock circuit, such as electronic equipment includes CPU (Central
Processing Unit, central processing unit), radio frequency part and DSP (Digital Signal Processing, digital signal
Processing) part etc., it is required to separately design clock circuit, to guarantee each section clock performance.Therefore clock circuit is that electronics is set
How essential part in standby, design that a kind of clock circuit can be realized the cost for reducing electronic equipment and energy conservation has weight
Want meaning.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of clock circuit and electronic equipment, cost can reduce, save energy
Source.
In order to achieve the above objectives, present invention generally provides following technical solutions:
On the one hand, the embodiment of the present invention provides a kind of clock circuit, comprising:
Clock chip, the clock chip include output pin；
First filter module, first filter module are connected with the output pin；
At least three outlet lines, at least three outlet lines are in parallel, and are connected by first filter module
It is connected to the output pin.
Specifically, the clock chip includes power pin；
The clock circuit further includes multiple power supplys, and multiple power supplys are connected with the power pin respectively.
Specifically, multiple power supplys include system power supply and radio-frequency power supply, when the system power supply starts for system
It powers to the clock chip, the radio-frequency power supply is used to power when the system suspend mode to the clock chip.
Specifically, the clock chip includes ground pin, the ground pin ground connection；
The power pin is connected to the ground pin by the second filter module.
Specifically, first filter module is first capacitor；And/or second filter module is the second capacitor.
Specifically, at least three outlet lines include:
First outlet line, for connecting the signal process part of electronic equipment；
Second outlet line, for connecting the central processing unit of the electronic equipment；
Third outlet line, for connecting the radio frequency part of the electronic equipment.
The clock circuit of the embodiment of the present invention further include:
Amplifying circuit, the amplifying circuit are connected between the output pin and at least three outlet lines.
Specifically, the clock chip includes blank pipe foot, and the blank pipe foot is connected with the ground pin.
Specifically, when the clock chip includes power pin, the clock circuit includes multiple power supplys, multiple electricity
When source includes system power supply and radio-frequency power supply, the first zero ohms electricity is connected between the radio-frequency power supply and the power pin
Resistance；
The second Zero-ohm resistor is connected in the third outlet line.
On the other hand, the embodiment of the present invention provides a kind of electronic equipment, comprising: above-mentioned clock circuit.
A kind of clock circuit and electronic equipment provided in an embodiment of the present invention, the output pin of clock circuit is respectively and at least
Three outlet lines are connected, and the first filter module are connected between output pin and multiple outlet lines, so that output pin is defeated
Clock signal out is filtered by the first filter module, obtains desired clock signal, and be transmitted to multiple outlet lines, multiple
Outlet line is respectively used to be connected with multiple components in electronic equipment, and clock signal passes through multiple outlet lines respectively and is transferred to
Multiple components in electronic equipment, to guarantee the clock performance of multiple components in electronic equipment, the clock of the embodiment of the present invention
Circuit realizes multiple components in a clock chip while electron equipment and provides time clock feature, electric compared to the prior art
Multiple components in sub- equipment are each configured with clock circuit, and the embodiment of the present invention only needs one clock circuit of design just can be to electricity
Multiple components in sub- equipment provide time clock feature, effectively simplify design, reduce cost, energy saving.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of clock circuit provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, the embodiment of the present invention provides a kind of clock circuit, comprising:
Clock chip 1, clock chip 1 include output pin OUT；
First filter module 2, the first filter module 2 are connected with output pin OUT；
At least three outlet lines 3, at least three outlet lines 3 are in parallel, and by the first filter module 2 be connected to it is defeated
Pin OUT out.
Wherein, clock chip 1 is a kind of with clock characteristic, is capable of the chip of real time, clock chip 1 is with display
The effect of the clock of time and record time, quarter-bell effect, data record effect, Data Power-off Reserve effect etc..Clock chip 1
Output pin OUT can export clock signal, and wherein clock signal exports in the form of electric current, output pin OUT with it is multiple defeated
The first filter module 2 is connected between route 3 out, clock signal is filtered by the first filter module 2, when obtaining desired
Clock signal, then clock signal respectively to multiple outlet lines transmission 3, multiple outlet lines 3 be respectively used to in electronic equipment
Multiple components be connected, such as the CPU part of electronic equipment, radio frequency part and the part DPS etc., clock signal passes through multiple outputs
Route 3 is transferred to multiple components in electronic equipment, to guarantee the clock performance of multiple components in electronic equipment；Wherein, it penetrates
Frequency part includes bluetooth, WIFI circuit etc., and the part DSP includes voicefrequency circuit etc..
Among the above, clock chip 1 can use X9 model, frequency 26MHz, the output pin OUT difference of clock chip 1
It is connected with multiple outlet lines 3, enables clock signal simultaneous transmission to multiple outlet lines 3, to give multiple outlet lines 3
Multiple components in the electronic equipment being separately connected provide time clock feature.
Clock circuit provided in an embodiment of the present invention, output pin are connected at least three outlet lines respectively, output
The first filter module is connected between pin and multiple outlet lines, so that the clock signal of output pin output passes through the first filter
Wave module filtered obtains desired clock signal, and is transmitted to multiple outlet lines, and multiple outlet lines are respectively used to and electronics
Multiple components in equipment are connected, and clock signal passes through multiple components that multiple outlet lines are transferred in electronic equipment respectively,
To guarantee that the clock performance of multiple components in electronic equipment, the clock circuit of the embodiment of the present invention realize a clock chip
Multiple components in electron equipment provide time clock feature simultaneously, compared to the prior art multiple components difference in electronic equipment
Configured with clock circuit, the embodiment of the present invention only need one clock circuit of design just can multiple components in electron equipment provide
Time clock feature effectively simplifies design, reduces cost, energy saving.
Specifically, clock chip 1 includes power pin VCC；In the embodiment of the present invention, clock circuit further includes multiple power supplys
4, multiple power supplys are connected with power pin VCC respectively.Wherein, be arranged multiple power supplys 4 can better ensure that give clock chip 1 supply
Electricity, even if one of power supply 4 is closed, other power supplys 4 can also power to clock chip 1, to guarantee the normal work of clock chip 1
Make.Wherein, the voltage of multiple power supplys 4 is answered consistent.
Specifically, multiple power supplys 4 include system power supply 41 and radio-frequency power supply 42, and system power supply 41 is given when starting for system
Clock chip 1 is powered, and radio-frequency power supply 42 is used to power when system suspend mode to clock chip 1.Wherein, system power supply 41 is the portion CPU
The power supply divided, for giving CPU to power, radio-frequency power supply 42 is the power supply of radio frequency part, for giving radio frequency part power supply；It is set in electronics
When standby starting, system power supply 41 returns clock chip 1 and powers while power supply to CPU, and radio-frequency power supply 42, which is in, at this time closes shape
State, when electronic equipment is in system suspend mode, system power supply 41 is in close state, and radio-frequency power supply 42 is in the open state, example
If the power supply of bluetooth, WIFI circuit is to open in system suspend mode, while radio-frequency power supply 42 is powered to radio frequency part at this time
The power supply of clock chip 1 is returned, to guarantee that clock chip 1 works normally.Among the above, it is given using system power supply 41 and radio-frequency power supply 42
Clock chip power supply can effectively ensure that the normal work when system is opened with dormant state of clock chip 1, guarantee stability,
System power supply 41 and radio-frequency power supply 42 are rationally utilized, it is energy saving.Wherein, the voltage of system power supply 41 and radio-frequency power supply 42 answers phase
Unanimously.
Specifically, clock chip 1 includes ground pin GND, ground pin GND ground connection；In the embodiment of the present invention, power supply pipe
Foot VCC is connected to ground pin GND by the second filter module 5.Second filter module 5 is used for power filter, and it is dry to reduce power supply
It disturbs.
Specifically, the first filter module 2 is first capacitor；And/or second filter module 5 be the second capacitor.Wherein, electric
Container plays the role of logical exchange stopping direct current, is used in filtering, and the capacitor of 1nf can be selected, and the clock signal that clock chip 1 exports is logical
The interference that first capacitor filters out direct current signal is crossed, required AC signal is obtained, and is transferred to multiple outlet lines and is connected
Electronic equipment in multiple components, such as the CPU part of electronic equipment, radio frequency part and the part DPS etc..Second capacitor is optional
It with 10nf capacitor, is connected between power supply and ground, has the function of power filter, reduce power supply disturbance.
Specifically, at least three outlet lines 3 include:
First outlet line 31, for connecting DPS (Digital Signal Processing) part of electronic equipment, such as electronic equipment
Voicefrequency circuit etc., the clock signal that clock chip 1 exports provide time clock feature to the part DPS by the first outlet line 31；
Second outlet line 32, for connecting the CPU (central processing unit) of electronic equipment, the clock that clock chip 1 exports
Signal provides time clock feature to CPU by the second outlet line 32；
Third outlet line 33, for connecting the radio frequency part of electronic equipment, such as the radio frequency part of electronic equipment includes
The clock signal of bluetooth, WIFI circuit etc., clock chip output provides clock function to radio frequency part by third outlet line 33
Energy.
Wherein, the part DSP, CUP and the radio frequency part of electronic equipment share a clock chip 1, not only simplify circuit, save
Design cost is saved, and improves the consistency and stability of each section configurable clock generator of electronic equipment.
The clock circuit of the embodiment of the present invention further include: amplifying circuit 6, amplifying circuit 6 be connected to output pin OUT with extremely
Between few three outlet lines 3.Under individual extreme cases, if the clock signal of the output of clock chip 1 is weaker, it can set
Amplifying circuit 6 is set, so that clock signal enhances signal by amplifying circuit 6, and is exported to multiple outlet lines 3.Wherein, it puts
The circuit for increasing signal in the prior art can be used in big circuit 6, is not construed as limiting herein.
Specifically, clock chip 1 includes blank pipe foot NC, and blank pipe foot NC is connected with ground pin GND.Blank pipe foot NC can hang
Sky is not connected to, or ground connection, and when blank pipe foot NC ground connection, blank pipe foot NC does not have voltage, will not generate interference, therefore will be empty
Pin NC ground connection is convenient.
Specifically, the first Zero-ohm resistor R1 is connected between radio-frequency power supply 42 and power pin VCC；Third outlet line
The second Zero-ohm resistor R2 is connected in 33.Wherein, Zero-ohm resistor can be used as wire jumper and toggle switch for debugging in circuit
It uses, wire jumper and toggle switch do not occur on common product, tamper setting to avoid user, in order to reduce maintenance cost, answer
The welderings such as wire jumper are replaced on circuit boards with Zero-ohm resistor.
Clock circuit provided in an embodiment of the present invention, output pin are connected at least three outlet lines respectively, output
The first filter module is connected between pin and multiple outlet lines, so that the clock signal of output pin output passes through the first filter
Wave module filtered obtains desired clock signal, and is transmitted to multiple outlet lines, and multiple outlet lines are respectively used to and electronics
Multiple components in equipment are connected, and clock signal passes through multiple components that multiple outlet lines are transferred in electronic equipment respectively,
To guarantee that the clock performance of multiple components in electronic equipment, the clock circuit of the embodiment of the present invention realize a clock chip
Multiple components in electron equipment provide time clock feature simultaneously, compared to the prior art multiple components difference in electronic equipment
Configured with clock circuit, the embodiment of the present invention only need one clock circuit of design just can multiple components in electron equipment provide
Time clock feature effectively simplifies design, reduces cost, energy saving.
The embodiment of the present invention provides a kind of electronic equipment, comprising: above-mentioned clock circuit.
Wherein, the structure and working principle of clock circuit are same as the previously described embodiments, and details are not described herein again.
Electronic equipment provided in an embodiment of the present invention, including clock circuit, output pin are exported at least three respectively
Route is connected, and the first filter module is connected between output pin and multiple outlet lines, so that the clock of output pin output
Signal is filtered by the first filter module, obtains desired clock signal, and be transmitted to multiple outlet lines, multiple outlet lines
It is respectively used to be connected with multiple components in electronic equipment, clock signal passes through multiple outlet lines respectively and is transferred to electronic equipment
In multiple components, to guarantee the clock performance of multiple components in electronic equipment, the clock circuit of the embodiment of the present invention is realized
The multiple components of one clock chip simultaneously in electron equipment provide time clock feature, compared to the prior art in electronic equipment
Multiple components be each configured with clock circuit, the embodiment of the present invention only needs one clock circuit of design just can be in electron equipment
Multiple components provide time clock feature, effectively simplify design, reduce cost, it is energy saving.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, according to
According to technical spirit any simple modification, equivalent change and modification to the above embodiments of the invention, this hair is still fallen within
In the range of bright technical solution.
Claims (10)
1. a kind of clock circuit characterized by comprising
Clock chip, the clock chip include output pin；
First filter module, first filter module are connected with the output pin；
At least three outlet lines, at least three outlet lines are in parallel, and are connected to by first filter module
The output pin.
2. clock circuit according to claim 1, which is characterized in that
The clock chip includes power pin；
The clock circuit further includes multiple power supplys, and multiple power supplys are connected with the power pin respectively.
3. clock circuit according to claim 2, which is characterized in that
Multiple power supplys include system power supply and radio-frequency power supply, and the clock core is given when the system power supply starts for system
Piece power supply, the radio-frequency power supply are used to power when the system suspend mode to the clock chip.
4. clock circuit according to claim 2, which is characterized in that
The clock chip includes ground pin, the ground pin ground connection；
The power pin is connected to the ground pin by the second filter module.
5. clock circuit according to claim 4, which is characterized in that
First filter module is first capacitor；And/or second filter module is the second capacitor.
6. clock circuit according to any one of claim 1 to 5, which is characterized in that
At least three outlet lines include:
First outlet line, for connecting the signal process part of electronic equipment；
Second outlet line, for connecting the central processing unit of the electronic equipment；
Third outlet line, for connecting the radio frequency part of the electronic equipment.
7. clock circuit according to claim 6, which is characterized in that further include:
Amplifying circuit, the amplifying circuit are connected between the output pin and at least three outlet lines.
8. clock circuit according to claim 4, which is characterized in that
The clock chip includes blank pipe foot, and the blank pipe foot is connected with the ground pin.
9. clock circuit according to claim 6, which is characterized in that
When the clock chip includes power pin, the clock circuit includes multiple power supplys, and multiple power supplys include system
When power supply and radio-frequency power supply, the first Zero-ohm resistor is connected between the radio-frequency power supply and the power pin；
The second Zero-ohm resistor is connected in the third outlet line.
10. a kind of electronic equipment characterized by comprising clock circuit as claimed in any one of claims 1-9 wherein.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811010177.4A CN109375703A (en) | 2018-08-31 | 2018-08-31 | Clock circuit and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811010177.4A CN109375703A (en) | 2018-08-31 | 2018-08-31 | Clock circuit and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109375703A true CN109375703A (en) | 2019-02-22 |
Family
ID=65404390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811010177.4A Pending CN109375703A (en) | 2018-08-31 | 2018-08-31 | Clock circuit and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109375703A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2891535Y (en) * | 2006-01-01 | 2007-04-18 | 海信集团有限公司 | TV set with general-purpose real-time clock circuit |
| CN204886398U (en) * | 2015-07-24 | 2015-12-16 | 宁夏赛文节能设备制造有限公司 | Clock chip supply circuit |
| CN106658675A (en) * | 2016-09-22 | 2017-05-10 | 深圳市有方科技股份有限公司 | Synchronous clock signal acquisition device, synchronous clock signal acquisition method and wireless communication system |
| DE202017104253U1 (en) * | 2017-07-17 | 2017-08-07 | Haining Hongguang Lighting Electric Co., Ltd. | Circuit for electronic candles |
| CN108337003A (en) * | 2018-02-08 | 2018-07-27 | 成都航天通信设备有限责任公司 | A kind of implementation method in the high broadband noise index in VHF sections of radio station |
| CN108429332A (en) * | 2018-05-18 | 2018-08-21 | 扬州万泰电子科技有限公司 | A kind of super capacitor application circuit of battery changeable type intelligent electric energy meter power supply |
| CN208654673U (en) * | 2018-08-31 | 2019-03-26 | 出门问问信息科技有限公司 | Clock circuit and electronic equipment |
-
2018
- 2018-08-31 CN CN201811010177.4A patent/CN109375703A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2891535Y (en) * | 2006-01-01 | 2007-04-18 | 海信集团有限公司 | TV set with general-purpose real-time clock circuit |
| CN204886398U (en) * | 2015-07-24 | 2015-12-16 | 宁夏赛文节能设备制造有限公司 | Clock chip supply circuit |
| CN106658675A (en) * | 2016-09-22 | 2017-05-10 | 深圳市有方科技股份有限公司 | Synchronous clock signal acquisition device, synchronous clock signal acquisition method and wireless communication system |
| DE202017104253U1 (en) * | 2017-07-17 | 2017-08-07 | Haining Hongguang Lighting Electric Co., Ltd. | Circuit for electronic candles |
| CN108337003A (en) * | 2018-02-08 | 2018-07-27 | 成都航天通信设备有限责任公司 | A kind of implementation method in the high broadband noise index in VHF sections of radio station |
| CN108429332A (en) * | 2018-05-18 | 2018-08-21 | 扬州万泰电子科技有限公司 | A kind of super capacitor application circuit of battery changeable type intelligent electric energy meter power supply |
| CN208654673U (en) * | 2018-08-31 | 2019-03-26 | 出门问问信息科技有限公司 | Clock circuit and electronic equipment |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190222 |