CN103973201A - Motor controller with shared pins and relevant control method - Google Patents
Motor controller with shared pins and relevant control method Download PDFInfo
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- CN103973201A CN103973201A CN201310030485.4A CN201310030485A CN103973201A CN 103973201 A CN103973201 A CN 103973201A CN 201310030485 A CN201310030485 A CN 201310030485A CN 103973201 A CN103973201 A CN 103973201A
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- pin position
- motor
- order
- burning
- pin
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Abstract
The invention provides a motor controller with shared pins. The motor controller comprises the multiple pins but does not comprise a pin for transmitting the frequency and motor characteristic burning data in the motor characteristic data burning process. The pin for transmitting the frequency and motor characteristic burning data in the motor characteristic data burning process shares functions with two of the multiple pins; in the burning mode, the two pins are used for transmitting the frequency and motor characteristic burning data, and in the normal mode, the two pins are used for normal operation. The invention further provides a control method of the motor controller with the shared pins.
Description
Technical field
The present invention relates to a kind of motor controller, particularly a tool is shared pin position effectively to reduce the motor controller of required pin position, and relevant control method.
Background technology
In the motor controller of numerous forms, conventional have I2C, SPI, SMBUS etc. all to need at least two transmission lines with the communication interface of external communication, one for transmission data, one be transmission frequency.Please refer to Fig. 1, wherein show the schematic diagram of the motor controller 10 of a prior art.Motor controller 10 comprises a control unit 11, a motor drive unit 12 and a rotating speed converting unit 13.Motor controller 10 comprises multiple pin position, wherein, control unit 11 is connected in pin position H+, H-, FG, and pin position H+, H-connect the rotating speed of hall effect sensor with sensing motor, pin position FG for output motor rotary speed information is to outside, for example, provides central processing unit information to judge the situation of motor.Motor drive unit 12 is connected in multiple pin position VM in order to CD-ROM drive motor, OUT1, OUT2, GND etc., wherein VM be motor supply voltage, GND be earth potential, OUT1, OUT2 in order to CD-ROM drive motor, the driving number of phases of the visual motor of pin number and can changing to some extent.Rotating speed converting unit 13 comprises an erasable internal memory 131 and is connected in pin position SDA, SCK, PWMIN, wherein SDA is relevant to the PWM(pulse-width modulation of motor rotary speed control in order to reception in order to receive frequency, PWMIN in order to receive data, SCK) control signal, rotating speed converting unit produces output signal according to these signals and offers control unit 11, to operate control.
In the time that above-mentioned prior art circuits is made into single IC, pin number order will directly affect packaging cost, be to be institute Ji therefore reduce pin position.In view of this, the present invention, for above-mentioned the deficiencies in the prior art, proposes to utilize a tool to share the motor controller of pin position, and it can effectively reduce required pin position.
TW patent announcement number 498163 (WO2000/054282A1), TW patent announcement number 490670 (WO1999/022289A1), TW patent announcement I305647 (US2006/0022707A1) disclose the prior art that is relevant to motor controller, but do not possess advantage of the present invention.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art and clear, propose a kind of tool and share motor controller and the corresponding control methods of pin position, can effectively reduce required pin position.
For reaching above-mentioned purpose, with regard to one of them viewpoint, the invention provides a kind of tool and share the motor controller of pin position, when it comprises multiple pin position but does not comprise burning motor characteristics data in order to the pin position of transmission frequency and motor characteristics burning data, wherein share in order to two pin positions in pin position and the plurality of pin position of transmission frequency and motor characteristics burning data when this burning motor characteristics, in the time of burning pattern, these two pin positions are as the use of transmission frequency and motor characteristics burning data, and in the time of normal mode, these two pin positions are for normal running.
In said motor controller, when the plurality of pin position can be included in normal mode in order to receiving the pin position of rotating speed control signal, in order to the pin position of sensing motor rotary speed, in order to exporting the pin position of motor rotary speed information, in order to the pin position of connecting motor supply voltage, in order to connect earthy pin position and the pin position in order to CD-ROM drive motor.
For reaching above-mentioned purpose, with regard to another viewpoint, the invention provides a kind of tool and share the motor controller of pin position, it has a normal mode and a burning pattern, and this motor controller comprises: a rotating speed converting unit, comprises an erasable internal memory, this erasable internal memory is in order to store motor characteristics data, in normal mode, this rotating speed converting unit is in order to receive rotating speed control signal from a rotating speed control signal input pin position, and produces a motor speed command with reference to motor characteristics data; One control unit, in normal mode, receive this motor speed command, and the pin position of self-inductance measurement motor rotary speed receives motor rotary speed sensing signal, according to this motor speed command and motor rotary speed sensing signal output motor control signal, and from a motor rotary speed information output pin position output motor rotary speed information; And a motor drive unit, in normal mode, according to this motor control signal, producing motor and drive signal, the pin position by CD-ROM drive motor is to drive a motor; Wherein, in burning pattern, when at least one of them is as burning pattern in the pin position of pin position, motor rotary speed information output pin position and the CD-ROM drive motor of this rotating speed control signal input pin position, sensing motor rotary speed in order to one of pin position of transmission frequency and motor characteristics burning data.
In the better enforcement kenel of one, in burning pattern, the pin position of pin position, motor rotary speed information output pin position and the CD-ROM drive motor of this rotating speed control signal input pin position, sensing motor rotary speed at least wherein two during as burning pattern in order to the pin position of transmission frequency and motor characteristics burning data.
In said motor controller, can more comprise in order to the pin position of connecting motor supply voltage with in order to be connected earthy pin position.
For reaching above-mentioned purpose, with regard to another viewpoint, the invention provides a kind of tool and share the control method of the motor controller of pin position, comprise following steps: enter burning pattern, with one first pin position transmission frequency of this motor controller, with a crus secunda position transmission motor characteristics burning data of this motor controller, to input or to set motor characteristics data in an erasable internal memory of this motor controller; And enter normal mode, using this first pin position and one of them other function pin position as non-transmission frequency and non-transmission motor characteristics burning data, crus secunda position.
In the better enforcement kenel of one, when entering after normal mode, other function pin position as non-transmission frequency and non-transmission motor characteristics burning data all using this first pin position and crus secunda position.
In above-mentioned control method, this motor controller can comprise to receive the pin position, multiple in order to the pin position of sensing motor rotary speed, in order to exporting the pin position of motor rotary speed information, in order to the pin position of connecting motor supply voltage, in order to connect earthy pin position and multiple pin position in order to CD-ROM drive motor of rotating speed control signal, and this first pin position and crus secunda position be above pin position wherein two.
Above-mentioned control method can more comprise: with an input one first specific signal of described pin position, begin to enter burning pattern to open.
Above-mentioned control method can more comprise: with an input one second specific signal or one section of Preset Time of calculating of described pin position, enter normal mode to leave burning pattern.
Illustrate in detail below by specific embodiment, when the effect that is easier to understand object of the present invention, technology contents, feature and reaches.
Brief description of the drawings
Fig. 1 shows the motor controller of prior art;
Fig. 2 shows the motor controller of one embodiment of the invention;
Fig. 3 shows the motor controller of another embodiment of the present invention;
Fig. 4 shows the operating process of motor controller of the present invention.
Symbol description in figure
10,20 motor controllers
11,21 control units
12,22 motor drive units
13,23 rotating speed converting units
131,231 erasable internal memories
FG, GND, H-, H+, OUT1, OUT2, PWMIN, SDA, SCK, VM pin position
Embodiment
About aforementioned and other technology contents, feature and effect of the present invention, in the following detailed description coordinating with reference to a graphic preferred embodiment, can clearly present.The direction term of mentioning in following examples, for example: upper and lower, left and right, front or rear etc. are only the directions with reference to annexed drawings.In the present invention graphic all belong to signal, be mainly intended to represent the function relation between each device and each element, as for shape, thickness and width not according to scale.
With reference to Fig. 2 and Fig. 3, in motor controller 20 of the present invention, comprise a control unit 21, a motor drive unit 22 and a rotating speed converting unit 23; In rotating speed converting unit 23, comprise erasable internal memory 231 for the related data that stores motor characteristics.Motor controller 20 comprises multiple pin position, for example, comprise PWMIN, H+, H-, FG, VM, OUT1, OUT2, GND, and the effect of these pin positions can be consulted the explanation in background technology paragraph.
The difference of the present invention and prior art is: the present invention does not need for receiving motor characteristics burning data and the ad hoc pin of receive frequency position SDA, SCK; Share these pin positions and other pin position.(data and other pin position signal that such as PWMIN, H+, H-, FG etc. transmit that transmit for distinguishing pin position SDA, the data of below pin position SDA being transmitted are called motor characteristics burning data, although and the signal that transmit other pin position also has the character of data, be not called " motor characteristics burning data ".) because of the function of pin position SDA and SCK be before motor (not shown) starts burning (input or set) motor characteristics data in an erasable internal memory 231, therefore only need to operate under burning pattern.When under normal mode, when motor starts to operate, pin position SCK and SDA do not need to transmit, and therefore substantially except the pin position relevant with ground connection with the power supply of motor controller 20 itself, all other pin positions can be shared with pin position SDA, SCK.That is, if the power supply of motor controller 20 is not from pin position VM and also not by pin position GND ground connection, in PWMIN, H+, H-, FG, VM, OUT1, OUT2, GND, any two pin positions can be shared as pin position SDA, SCK; If the power supply of motor controller 20 is from pin position VM and also by pin position GND ground connection,, except these two pin positions, in PWMIN, H+, H-, FG, OUT1, OUT2, any two pin positions can be shared as pin position SDA, SCK.The present invention illustrates with two embodiment, be shown in Fig. 2 and Fig. 3, wherein for Fig. 2 embodiment, pin position PWMIN, FG share as pin position SDA, SCK, for Fig. 3 embodiment, pin position OUT1, OUT2 share as pin position SDA, SCK, this is only for lifting wherein two examples, as mentioned above, any two pin positions can be shared as pin position SDA, SCK.
With reference to Fig. 2, when normal mode, pin position FG, PWMIN need to transmit; When burning pattern, pin position SCK and SDA need to transmit, and pin position FG and PWMIN can not need to transmit.Therefore in the present embodiment, pin position SCK and SDA and pin position FG and PWMIN can share its pin position, for example, can in the time of burning pattern, transmit frequency and transmit motor characteristics burning data with pin position PWMIN with pin position FG.Certainly, also can use pin position FG instead transmits motor characteristics burning data and transmits frequency with pin position PWMIN.
Erasable internal memory 231 in rotating speed converting unit 23 can be according to above-mentioned frequency and motor characteristics burning data, and store motor characteristics data in the inner, its mode can be for example: in erasable internal memory 231, stored in advance various types of motor characteristics data, and set by transmitted motor characteristics burning data the motor characteristics data that adopt which group to store in advance; Or, also can in erasable internal memory 231, input motor characteristics data according to transmitted motor characteristics burning data.The object of motor characteristics data is to define the characteristic of the motor manipulating, for example, when pin position PWMIN accepts the external rotating speed control signal from a PWM form, rotating speed converting unit 23 can convert this external rotating speed control signal to a digital numerical value, and this digital numerical value is through producing a motor speed command to control unit 21 with reference to motor characteristics data.Control unit 21 can accept motor speed command and from outside motor rotary speed sensing signal H+, H-(motor rotary speed sensing signal H+, H-for example but not necessarily from Hall element, also can be for example from optics rotating speed sensing apparatus etc.).Control unit 21 is accepted can learn motor speed command and existing rotating speed after motor speed command and motor rotary speed sensing signal H+, H-, and then output motor control signal, controls motor drive unit 22 and drives controlled motor to arrive set rotating speed.
Please refer to Fig. 4, the switching flow of burning pattern and normal mode is described.After startup, can input specific signal by default pin position arbitrarily and begin to enter burning pattern (step S1) to open, for example in Fig. 2 embodiment, pin position FG can be pulled low to low level, or by a cognizable specific signal of any one pin position input, such as but not limited to the accurate one or many etc. that switches of high-low-position.In the present embodiment, in the time that control unit 21 picks out this specific signal, for example, detect pin position FG and be pulled low to low level, determine to share pin position and be provided as pin position SCK and SDA, with transmission frequency and motor characteristics burning data (step S2).In step S3, the no burning pattern of leaving is answered in control unit 21 judgements, its judgment mode has variety of way, can design as required, for example can calculate one section of Preset Time, leave burning pattern and enter normal mode (step S4) when arriving timing time, or input specific signal by presetting arbitrarily pin position, for example pin position FG can be drawn high to high levels one rapid lapse of time, or also can be the accurate signal that switches one or many of aforementioned high-low-position etc., in the time picking out this specific signal, leave burning pattern and enter normal mode (step S4).After entering normal mode, shared pin position is switching to the pin position of normal mode, for example, in Fig. 2 embodiment, revert to pin position FG and PWMIN.
Fig. 3 shows the motor controller 20 of another embodiment, wherein shares as pin position SDA, SCK with pin position OUT1, OUT2, and its operating process is identical with Fig. 4, repeats no more.
Erasable internal memory 231 for example can be (but being not limited to) one time programmable read-only memory, muptiple-use programmble read only memory PROM, can erase programmble read only memory PROM or flash memory etc.
Motor controller can be for example (but being not limited to) stepping motor controller.
Below for preferred embodiment, the present invention is described, the above, only, for making those skilled in the art be easy to understand content of the present invention, be not used for limiting interest field of the present invention.For those skilled in the art, when can be in spirit of the present invention, think immediately and various equivalence variation.For example, the shared pin position that the enforcement of shared pin position can be not limited to transmit data and transmission frequency, the patented technology that this shared pin position also can be applied in the pin position of the receipts signals of not bothering to see me out under normal mode such as initialization directive signal, detection instruction signal of other such as parameters of hydraulic motor is to simplify pin number order.Again, shared pin position is not limited to all shared to pin position SCK and SD, also should belong to scope of the present invention as only shared one of them.Change or modify with spirit institute is impartial for it according to concept of the present invention therefore all, all should be included within the scope of claim of the present invention.
Claims (10)
1. a tool is shared the motor controller of pin position, it is characterized in that, when comprising multiple pin position but not comprising burning motor characteristics data in order to the pin position of transmission frequency and motor characteristics burning data, wherein share in order to two pin positions in pin position and the plurality of pin position of transmission frequency and motor characteristics burning data when this burning motor characteristics, in the time of burning pattern, these two pin positions are as the use of transmission frequency and motor characteristics burning data, and in the time of normal mode, these two pin positions are for normal running.
2. tool as claimed in claim 1 is shared the motor controller of pin position, wherein, when the plurality of pin position is included in normal mode in order to receiving the pin position of rotating speed control signal, in order to the pin position of sensing motor rotary speed, in order to exporting the pin position of motor rotary speed information, in order to the pin position of connecting motor supply voltage, in order to connect earthy pin position and the pin position in order to CD-ROM drive motor.
3. tool is shared a motor controller for pin position, and it has a normal mode and a burning pattern, it is characterized in that, this motor controller comprises:
One rotating speed converting unit, comprise an erasable internal memory, this erasable internal memory is in order to store motor characteristics data, in normal mode, this rotating speed converting unit is in order to receive rotating speed control signal from a rotating speed control signal input pin position, and produces a motor speed command with reference to motor characteristics data;
One control unit, in normal mode, receive this motor speed command, and the pin position of self-inductance measurement motor rotary speed receives motor rotary speed sensing signal, according to this motor speed command and motor rotary speed sensing signal output motor control signal, and from a motor rotary speed information output pin position output motor rotary speed information; And
One motor drive unit, in normal mode, according to this motor control signal, produces motor and drives signal, and the pin position by CD-ROM drive motor is to drive a motor;
Wherein, in burning pattern, when at least one of them is as burning pattern in the pin position of pin position, motor rotary speed information output pin position and the CD-ROM drive motor of this rotating speed control signal input pin position, sensing motor rotary speed in order to one of pin position of transmission frequency and motor characteristics burning data.
4. tool as claimed in claim 3 is shared the motor controller of pin position, wherein, in burning pattern, the pin position of pin position, motor rotary speed information output pin position and the CD-ROM drive motor of this rotating speed control signal input pin position, sensing motor rotary speed at least wherein two during as burning pattern in order to the pin position of transmission frequency and motor characteristics burning data.
5. tool as claimed in claim 3 is shared the motor controller of pin position, wherein, also comprise in order to the pin position of connecting motor supply voltage with in order to be connected earthy pin position.
6. tool is shared a control method for the motor controller of pin position, it is characterized in that, comprises following steps:
Enter burning pattern, with one first pin position transmission frequency of this motor controller, with a crus secunda position transmission motor characteristics burning data of this motor controller, to input or to set motor characteristics data in an erasable internal memory of this motor controller; And
Enter normal mode, using this first pin position and one of them other function pin position as non-transmission frequency and non-transmission motor characteristics burning data, crus secunda position.
7. tool as claimed in claim 6 is shared the control method of the motor controller of pin position, wherein, when entering after normal mode, other function pin position as non-transmission frequency and non-transmission motor characteristics burning data all using this first pin position and crus secunda position.
8. tool as claimed in claim 6 is shared the control method of the motor controller of pin position, wherein, this motor controller comprises to receive the pin position, multiple in order to the pin position of sensing motor rotary speed, in order to exporting the pin position of motor rotary speed information, in order to the pin position of connecting motor supply voltage, in order to connect earthy pin position and multiple pin position in order to CD-ROM drive motor of rotating speed control signal, and this first pin position and crus secunda position be above pin position wherein two.
9. tool as claimed in claim 8 is shared the control method of the motor controller of pin position, wherein, also comprises: with an input one first specific signal of described pin position, begin to enter burning pattern to open.
10. tool as claimed in claim 9 is shared the control method of the motor controller of pin position, wherein, also comprises: with an input one second specific signal or one section of Preset Time of calculating of described pin position, enter normal mode to leave burning pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310030485.4A CN103973201B (en) | 2013-01-25 | 2013-01-25 | Tool is shared motor controller and the corresponding control methods of pin position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310030485.4A CN103973201B (en) | 2013-01-25 | 2013-01-25 | Tool is shared motor controller and the corresponding control methods of pin position |
Publications (2)
| Publication Number | Publication Date |
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| CN103973201A true CN103973201A (en) | 2014-08-06 |
| CN103973201B CN103973201B (en) | 2016-05-25 |
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| CN201310030485.4A Expired - Fee Related CN103973201B (en) | 2013-01-25 | 2013-01-25 | Tool is shared motor controller and the corresponding control methods of pin position |
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Cited By (3)
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| CN105528222A (en) * | 2014-09-28 | 2016-04-27 | 比亚迪股份有限公司 | Single-chip microcomputer programming control system, single-chip microcomputer and single-chip microcomputer programming control method |
| CN108462427A (en) * | 2017-02-20 | 2018-08-28 | 茂达电子股份有限公司 | Fan drive circuit |
| CN112953354A (en) * | 2021-02-23 | 2021-06-11 | 绍兴光大芯业微电子有限公司 | Circuit structure for realizing multiplexing of fault indication pin and reset function pin |
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| CN105528222A (en) * | 2014-09-28 | 2016-04-27 | 比亚迪股份有限公司 | Single-chip microcomputer programming control system, single-chip microcomputer and single-chip microcomputer programming control method |
| CN105528222B (en) * | 2014-09-28 | 2019-06-25 | 比亚迪股份有限公司 | Single-chip microcontroller programming control system, single-chip microcontroller and single-chip microcontroller programming control method |
| CN108462427A (en) * | 2017-02-20 | 2018-08-28 | 茂达电子股份有限公司 | Fan drive circuit |
| CN112953354A (en) * | 2021-02-23 | 2021-06-11 | 绍兴光大芯业微电子有限公司 | Circuit structure for realizing multiplexing of fault indication pin and reset function pin |
| CN112953354B (en) * | 2021-02-23 | 2023-03-24 | 绍兴光大芯业微电子有限公司 | Circuit structure for realizing multiplexing of fault indication pin and reset function pin |
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| CN103973201B (en) | 2016-05-25 |
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