CN103325408A - Intelligent power supply adjustment method and device - Google Patents
Intelligent power supply adjustment method and device Download PDFInfo
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- CN103325408A CN103325408A CN2012100764957A CN201210076495A CN103325408A CN 103325408 A CN103325408 A CN 103325408A CN 2012100764957 A CN2012100764957 A CN 2012100764957A CN 201210076495 A CN201210076495 A CN 201210076495A CN 103325408 A CN103325408 A CN 103325408A
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Abstract
The invention discloses an intelligent power supply adjustment method and a device that can provide near-field communication application on mobile equipment. By adding a smart card chip and an intelligent power supply adjustment mechanism in flash memory, the mobile equipment equipped with the flash memory not only can have additional functions provided by the smart card chip, but also can automatically detect the operating voltage required by the smart card chip and accordingly provide proper voltage to the smart card chip. Therefore, the intelligent power supply adjustment device involved in the invention can be applicable to smart card chips with different operating voltages without redesigning a power supply module or voltage adjustment module in the flash memory laboriously, thus avoiding the problem of overhigh voltage provided to the smart card chip or power supply feedback, and reaching the efficacy of saving design and manufacturing costs.
Description
Technical field
The invention relates to a kind of intelligent power supply method of adjustment and device, espespecially a kind of by in a flash memory, setting up an intelligent card chip and intelligent power supply adjustment mechanism, so that be equiped with intelligent power supply method of adjustment and the device that a near-field communication application function that is provided by described intelligent card chip can be provided the running gear of this flash memory.
Background technology
Near-field communication (Near-Field Communication; Be called for short NFC) a word indication be contactless short distance communication technology, its frequency band that can utilize specific wireless telecommunications is 13.56MHz for example, uses radio-frequency discriminating (RFID) technology to transmit data with low-power in short distance.The NFC major part is by (the European Computer Manufacturers Association International of the international manufacturer computer in Europe alliance; Abbreviation ECMA) gives standardization.Such as Nokia, Sony and Philips etc. of the large factory in many worlds all has standardization and the commercialization that participates in NFC.
When using the NFC application function, by allow two or more terminal close to each other, do not need the user to carry out any manipulation, (for example not only can exchange basic information, user's authentication information or telephone number), can also swap data (for example, data of financial transaction etc.).Because above-mentioned convenience, existing many fiscard, credit card or traffic stored value cards can provide the intelligent card chip (Smart Card Cbip) of NFC application function that contactless finance trade function is provided by built-in one at present.
Because, almost everyone can have a running gear in society now, such as mobile phone etc., therefore, once someone designed and installs in action a built-in slot and be used for the intelligent card chip of the accommodating NFC of having application function, and then for example contactless finance trade function of aforesaid fiscard, credit card or traffic stored value card is provided.In addition, also once someone discloses built-in intelligent card chip on flash memory, makes it can also have the additional functionality that is provided by described intelligent card chip except original memory function.
Yet; no matter be as aforementioned install in action a built-in slot be used for accommodating intelligent card chip or on flash memory built-in intelligent card chip; present prior art is not all considered the intelligent card chip that different vendor is designed or make, and the operating voltage of its intelligent card chip usually has and is different from running gear or the situation of the operating voltage of flash memory itself.Therefore, when using the intelligent card chip of or manufacturing designed by different vendor, prior art must be according to the operating voltage of employed intelligent card chip, redesign running gear or power supply module or the voltage regulator module of flash memory inside, so that the power supply that intelligent card chip can obtain appropriate voltage is not normal to avoid operating, therefore the space of further improvement is arranged.
Summary of the invention
Fundamental purpose of the present invention is to be to provide a kind of intelligent power supply method of adjustment and device, adjust mechanism by in a flash memory, setting up an intelligent card chip and intelligent power supply, not only can have the additional functionality that is provided by described intelligent card chip so that be equiped with the running gear of this flash memory, and more can also provide according to this appropriate voltage to described intelligent card chip by the required operating voltage of Auto-Sensing intelligent card chip.Therefore, intelligent power supply adjusting gear of the present invention is applicable to the intelligent card chip of different operating voltage, and do not need to redesign power supply module or the voltage regulator module of flash memory inside more loaded down with trivial detailsly, avoid providing overtension or the power supply feedback problem of intelligent card chip, also reached the effect of saving design and manufacturing cost.
In order to achieve the above object, the invention discloses a kind of intelligent power supply adjusting gear, can be installed in the action device so that the function of an intelligent use to be provided, have a power module, one first switch and a connecting interface in the described running gear, described the first switch is coupled to described power module, described connecting interface is coupled to described power module, and described power module is that at least one driving power can be provided, and described driving power has at least one the first voltage; Described intelligent power supply adjusting gear includes:
One intelligent card chip, in order to described at least intelligent use function to be provided, described intelligent card chip is to operate under the environment of a second voltage; Wherein, described intelligent card chip is coupled to described the first switch, and the on off state of described the first switch has been controlled described intelligent card chip and whether accepted described driving power from described the first voltage of having of described power module;
One first output/input interface, in order to the described connecting interface that connects described running gear for transmission one data signals and described driving power; And
One control module, be coupled to described intelligent card chip and described the first output/input interface, in order to control the operation of described intelligent card chip, and the described driving power that provides from described power module is provided by described the first output/input interface, described control module is to be subject to the driving of described driving power and to operate; In addition, more include in the described control module:
One detecting voltage unit is coupled to described the first output/input interface in order to detect a magnitude of voltage of described the first voltage;
One voltage-adjusting unit can be adjusted to the voltage of described driving power described second voltage;
Whether one second switch is coupled between described voltage-adjusting unit and the described intelligent card chip, accept from the described second voltage after the described voltage-adjusting unit adjustment in order to control described intelligent card chip; And
One second output/input interface is coupled to described intelligent card chip, in order to transmit an intelligent card interface signal between described control module and described intelligent card chip;
Wherein, described control module is the magnitude of voltage according to a default control state and described the first voltage of detecting, decide the on off state of described second switch, and then determine that whether described intelligent card chip accept from described first voltage of the described power module of described running gear and the described second voltage after whether accepting to adjust from described voltage-adjusting unit via described second switch via described the first switch; Wherein, described default control state comprises the on off state of described the first switch.
In one embodiment, the described intelligent use function that provides of described intelligent card chip comprise at least following one of them: near-field communication (Near-Field Communication) application function, single-wire communication agreement (Single Wire Protocol; Abbreviation SWP) application function, data encrypting and deciphering application function; And described running gear more device has a subscriber identification module (Subscriber Identity Module is called for short SIM) card so that an action communication function to be provided, and described subscriber identify module card is to operate under the environment of described the first voltage.
In one embodiment, described intelligent power supply adjusting gear more includes a memory module, is coupled to described control module, in order to store data; Wherein, described control module can send described data stored in the described memory module to described running gear and will be from the described data storing of described running gear to described memory module by described the first output/input interface; The apparent size of described intelligent power supply adjusting gear is the apparent size specification that meets a storer, and described memory module be following one of them: but NAND type flash memory, NOR type flash memory, and the electronic type clear program read only memory (EEPROM).
In one embodiment, described the first output/input interface includes the numbering 1 that configures according to a SD/microSD storer specification to numbering 10 totally ten contact terminals, wherein, numbering 1,2,7, No. 8 totally four described contact terminals provide the described data signals of transmission, numbering 4 and numbering 6 totally two described contact terminals the described driving power that will provide from described power module are provided are transferred to described control module, and the contact terminal of described numbering 10 the described driving power with described first voltage that will provide from described power module is provided is transferred to described intelligent card chip; Wherein, described the first switch is to be coupled between the contact terminal and described intelligent card chip of described numbering 10, and described detecting voltage unit is the contact terminal that is coupled to described numbering 10; In addition, the described contact terminal of numbering 9 is antenna signals that transmit described intelligent card chip.
In one embodiment, the magnitude of voltage of described the first voltage and described second voltage is respectively one of them between following scope: 1.63Volts～1.98Volts, 2.7Volts～3.3Volts, and 4.5Volts～5.5Volts.
In one embodiment, be to be provided with one first to prevent power feedback between described the first switch and described intelligent card chip, feed back to described running gear with the described second voltage of avoiding described voltage-adjusting unit to be exported via described intelligent card chip; And, be to be provided with one second to prevent power feedback between described second switch and described intelligent card chip, feed back to described control module with the described driving power of avoiding being sent to described the first voltage of having of described intelligent card chip by described power module via described intelligent card chip.
In one embodiment, described default control state can be set by following one of them mode: set, set, set by firmware by hardware circuit by computer software; And described default control state is one of them of following state:
State one: described intelligent card chip is closed, this moment, described the first switch and described second switch both were open-circuit condition, the described control module of described intelligent power supply adjusting gear still can by obtain that described driving power from described the first output/input interface input drives for described control module that described memory module is carried out and described running gear between data-transformation facility, but described intelligent card chip is failure to actuate (Inactive), so the user can not capture data stored in the intelligent card chip by running gear, also can't use the near-field communication application function; This state one is applicable to only want to use memory function as the user but does not want to use the situation of the function of intelligent card chip; In another situation, if have a radio-frequency discriminating (RFID) function in the described intelligent card chip, and when the user only wants to use described radio-frequency discriminating (RFID) function to carry out inductive operation as open and close door for example or the similar key, because radio-frequency discriminating (RFID) technology can obtain by induction mode the electric energy driving of extraneous end device, so also can such as state one, described the first switch and described second switch both be open-circuit condition;
State two: described intelligent card chip is only by described control module power supply, this moment, described the first switch was open-circuit condition and described second switch is channel status, made described intelligent card chip accept move from the described second voltage after the described voltage-adjusting unit adjustment via described second switch; State two times, the user can by running gear capture be stored in the data in the intelligent card chip or use that described intelligent card chip provides save application (Security Application) function from damage, but can't carry out the near-field communication application function of described running gear; In the present embodiment, describedly save the function that application function can provide financial transactions such as licensing described running gear is paid the bill, account transfer from damage;
State three: described intelligent card chip is only powered by the described power module of described running gear, this moment, described the first switch was channel status and described second switch is open-circuit condition, made described intelligent card chip accept move from the described driving power of described the first voltage of having of described power module via described the first switch; State three times, the user can only carry out the near-field communication application function of described running gear and acquisition by running gear and be stored in data in the intelligent card chip;
State four: both described intelligent card chip simultaneously power by described power module and described control module, and this moment, described the first switch and described second switch both were channel status; State four times, the user can carry out the near-field communication application function of described running gear and acquisition by running gear and be stored in data in the intelligent card chip, also can use the application function of saving from damage that intelligent card chip provides.
In one embodiment, the described driving power that described power module provides more includes one first power supply source and one second power supply source, described the first power supply source is to have described the first voltage and is to be coupled to described intelligent card chip via described the first switch, and described the second power supply source is to have a tertiary voltage and is to be coupled to described control module via described the first output/input interface; And, not identical with described tertiary voltage in described the first voltage.
In one embodiment, the intelligent power supply method of adjustment of intelligent power supply adjusting gear includes the following step:
Step (A): set described default control state in described intelligent power supply adjusting gear, as without setting, then be used as described default control state with the initial set value of dispatching from the factory;
Step (B): temporarily disconnected is by the power supply of described control module to described the second output/input interface, and controlled path or the open-circuit condition of described second switch according to described default control state by described control module; If be when making described the first switch and described second switch both be open-circuit condition according to described default control state, direct execution in step (H) then, otherwise execution in step (C);
Step (C): check that by described control module a voltage level of described intelligent card chip is 0 volt? if "Yes" is execution in step (D) then, if "No" execution in step (E) then;
Step (D): described control module will be offered by the described second voltage after the described voltage-adjusting unit adjustment described intelligent card chip and described the second output/input interface, and begin to drive the running that described intelligent card chip is carried out described intelligent use function, afterwards execution in step (H);
Step (E): check that by described control module a voltage level of described intelligent card chip is between a predetermined voltage range? if "Yes" is execution in step (F) then, if "No" execution in step (G) then;
Step (F): when the described default control state of foundation is when making described the first switch be channel status, then described control module is set described second voltage for identical with described voltage level, and will be offered by the described second voltage after the described voltage-adjusting unit adjustment described intelligent card chip and described the second output/input interface; When the described default control state of foundation is when making described the first switch be open-circuit condition, then cut off the supply of the described second voltage of described voltage-adjusting unit, and offer described the second output/input interface with the described voltage level of described intelligent card chip, and begin to drive the running that described intelligent card chip is carried out described intelligent use function, afterwards execution in step (H);
Step (G): described voltage level is undesired, stops all operations; And,
Step (H): finish described intelligent power supply method of adjustment.
Description of drawings
Fig. 1 intelligent power supply adjusting gear of the present invention is arranged at the embodiment schematic diagram in the action device.
Fig. 2 is the circuit block diagram of an embodiment under one first mode of operation of intelligent power supply adjusting gear of the present invention.
Fig. 3 is the circuit block diagram of an embodiment under one second mode of operation of intelligent power supply adjusting gear of the present invention.
Fig. 4 is the circuit block diagram of an embodiment under one the 3rd mode of operation of intelligent power supply adjusting gear of the present invention.
Fig. 5 is the circuit block diagram of another embodiment under the 3rd mode of operation of intelligent power supply adjusting gear of the present invention.
Fig. 6 is the circuit block diagram of an embodiment under one the 4th mode of operation of intelligent power supply adjusting gear of the present invention.
Fig. 7 is the contact terminal embodiment schematic diagram that the first output/input interface of intelligent power supply adjusting gear of the present invention has.
Fig. 8 is an embodiment process flow diagram of the intelligent power supply method of adjustment of intelligent power supply adjusting gear of the present invention.
Description of reference numerals: 1,2～intelligent power supply adjusting gear of the present invention; 11～intelligent card chip; 2～intelligent power supply adjusting gear; 12～memory module; 21～intelligent card chip; 22～memory module; 23～the first output/input interfaces; 24～the first switches; 25～control module; 251～detecting voltage unit; 252～voltage-adjusting unit; 253～second switch; 254～the second output/input interfaces; 26～the first prevent power feedback; 27～the second prevent power feedback; 28～antenna; 9～running gear; 91～conversation card slot; 92～subscriber identify module card; 93～memory bank; 94～power module; 941～the first power supply sources; 942～the second power supply sources; 95～connecting interface; 97～mobile phone base station; 98～internet; 99～end device; P1～P10～contact terminal; 31～41～process step.
Embodiment
In order more clearly to describe intelligent power supply method of adjustment and device proposed by the invention, below will cooperate graphic detailed description.
See also Fig. 1, for intelligent power supply adjusting gear 1 of the present invention is arranged at an embodiment schematic diagram in the action device 9.In the present embodiment, described running gear 9 is that an action communication device (for example mobile phone) is for better, be provided with in it and comprise: a conversation card slot 91 blocks 92 so that the Mobile Communications function to be provided for the subscriber identification module of planting (Subscriber Identity Module is called for short SIM), one memory bank 93 is for the storer (such as, but be not limited to described intelligent power supply adjusting gear 1 of the present invention) of planting, one power module 94 it provide at least one driving power to described subscriber identify module card 92 and described storer, and one connecting interface 95 be coupled to described memory bank 93 and described power module 94 with as the transmission interface between described storer and the described running gear 9.Wherein, described driving power 94 has at least one the first voltage.Certainly, other elements or mechanism that general mobile communication device should have have also been comprised in the described running gear 9, make it that (Wide-band Code Division Multiple Access by WCDMA can be provided, the wide band code division multiplex (MUX)), GSM (Global System for Mobile Communications, Global System for Mobile Communication), GPRS (General Packet Radio Service, whole packet radio), or CDMA (Code Division Multiple Access, the demal multiplex (MUX)) etc. wireless communication technique comes and 97 contacts of mobile phone base station, or the radio network technique that passes through WiFi or WiMax (Worldwide Interoperability for Microwave Access, global intercommunication microwave access) etc. comes connecting Internet network 98.Yet because these elements, mechanism or function are to belong to prior art and non-principal character of the present invention, therefore repeat no more.
In the present embodiment, the apparent size of described intelligent power supply adjusting gear 1 of the present invention is to meet one to save numeral (Secure Digital from damage, be called for short SD) the apparent size specification of the SD/microSD storer of calliper lattice, have an intelligent card chip 11 in described intelligent power supply adjusting gear 1 to provide an extra intelligent use function such as, but be not limited to near-field communication (Near-Field Communication) application function, single-wire communication agreement (SWP) application function, the data encrypting and deciphering application function, or other intelligent use functions.Be inserted in the described memory bank 93 of described running gear 9 by the described intelligent power supply adjusting gear 1 that will meet SD storer specification after, described mobile communication device 9 not only can be used as general SD storer to described intelligent power supply adjusting gear 1 and come memory module 12 usage datas are stored and the function that reads, and the near-field communication application function that described mobile communication device 9 more can provide by described intelligent card chip 11 comes and another end device 99 that has too the near-field communication application function carry out contactless information transmission operation, such as, but be not limited to contactless financial transaction operation etc.Intelligent power supply adjusting gear 1 of the present invention is except by being installed on described mobile communication device 9 interior carrying out the near-field communication, among another embodiment that does not show in the drawings, described intelligent power supply adjusting gear 1 also can be installed on other carrier arrangements that can supply power supply (Carrier Device) and use such as, but be not limited to storer card reader or chip card reader etc.Because intelligent card chip 11 of the present invention is to be driven and controlled by control module 25, therefore, as long as intelligent power supply adjusting gear 1 can obtain driving power from carrier arrangement, the near-field communication application function that the user just can use intelligent card chip 11 to provide.
See also Fig. 2, be the circuit block diagram of an embodiment under one first mode of operation of intelligent power supply adjusting gear 2 of the present invention.In the present embodiment, described intelligent power supply adjusting gear 2 built-in including: an intelligent card chip 21, a memory module 22, one first output/input interface 23, a control module 25 and one second prevent power feedback 27.In the present embodiment shown in Figure 2, the first switch 24 and first prevents that power feedback 26 from being to belong to running gear 9 inner members, and the on off state of described the first switch 24 (path or open circuit) can be controlled and determines by user's operational action communication device 9 or by the inner performed application software of mobile communication device 9.Yet in another embodiment (not shown), described the first switch 24 prevents that with described first power feedback 26 is built in described intelligent power supply adjusting gear 2 in also might being.
Described intelligent card chip 21 can provide described at least intelligent use function, and described intelligent card chip 21 is to operate under the environment of a second voltage.In the present embodiment, be to include a near-field communication (NFC) module so that described near-field communication application function to be provided in the described intelligent card chip 21, and described near-field communication module can be used RF (Radio Frequency) wireless radio-frequency or single-wire communication agreement (SWP) technology.
Described memory module 22 is that a non-volatility memorizer (Nonvolatile Memory) is for storage data, its can be following one of them: but NAND type flash memory, NOR type flash memory, and electronic type clear program ROM (read-only memory) (EEPROM).And in the another embodiment of the present invention (not shown), if described intelligent power supply adjusting gear 1 only as the described intelligent use function of described running gear 9, and when not possessing the mass storage data function, also can not have described memory module 22.
Described the first output/input interface 23 is to connect the described connecting interface 95 of described running gear for transmission one data signals and described driving power.
Described the first switch 24 is to be coupled between the described power module 94 and described intelligent card chip 21 of described running gear, whether accepts described driving power from described the first voltage of having of described power module 94 in order to control described intelligent card chip 21.
Described control module 25 is to be coupled to described intelligent card chip 21, described memory module 22 and described the first output/input interface 23, in order to control the operation of described intelligent card chip 21 and described memory module 22, and the described driving power that provides from described power module 94 is provided by described the first output/input interface 23, and described control module 25 is to be subject to the driving of described driving power and to operate.In the present embodiment shown in Figure 2, the described driving power that is used for driving described control module running has described the first voltage equally.Described control module 25 can send described memory module 22 interior stored described data to described running gear and will be from the described data storing of described running gear to described memory module 22 by described the first output/input interface 23.Certainly, the interlock circuit and the communication mechanism that are enough to control described intelligent card chip 21 and 22 runnings of described memory module in described control module 25, have been comprised, because this described interlock circuit and communication mechanism belong to prior art and non-feature of the present invention, so it will not go into details.
In the present embodiment, more include in the described control module 25: detecting voltage unit a 251 (Voltage Detect; Abbreviation VDT), a voltage-adjusting unit 252, a second switch 253 and one second output/input interface 254.Described detecting voltage unit 251 is to be coupled to described the first output/input interface 23, in order to the magnitude of voltage of detecting from described first voltage of described power module 94, and detecting voltage unit 251 also is coupled to the operating voltage of described intelligent card chip 21 in order to detect another magnitude of voltage of described smart card operating voltage; Wherein, because an input voltage pin position of described intelligent card chip 21 is to be coupled to described the first switch 24, described first to prevent that power feedback 26 and described second from preventing power feedback 27, so described detecting voltage unit 251 measured magnitudes of voltage also are a voltage level (being called for short VCCSIM) of described intelligent card chip 21 in fact.Described voltage-adjusting unit 252 can be adjusted to described second voltage with the voltage that is used for driving the described driving power of described control module 25 runnings.Whether described second switch 253 is to be coupled between described voltage-adjusting unit 252 and the described intelligent card chip 21, accept from the described second voltage after described voltage-adjusting unit 252 adjustment in order to control described intelligent card chip 21.Described the second output/input interface 254 is to be coupled to described intelligent card chip 21, in order to transmit an intelligent card interface signal between described control module 25 and described intelligent card chip 21, makes the control that intelligent card chip 21 can controlled unit 25 and operates.In the present invention, described control module 25 is the magnitudes of voltage according to a default control state and described the first voltage of detecting, decide the on off state of described second switch 253, and then determine that whether described intelligent card chip 21 accept from described first voltage of the described power module 94 of described running gear and the described second voltage after whether accepting to adjust from described voltage-adjusting unit 252 via described second switch 253 via described the first switch 24.In the present embodiment, be to be powered by 25 pairs of described the second output/input interfaces 254 of described control module.Can control and determine by mobile communication device 9 as for, the on off state of described the first switch 24; And aforesaid default control state is also including, but not limited to the on off state of described the first switch 24.
Required driving power was to provide by control module 25 when in the present embodiment, described memory module 22 operated; But in another embodiment, described memory module 22 required driving powers also can be directly to offer memory module 22 from an extraneous power supply without control module 25.In another embodiment again, described memory module 22 also can be to be built in the described control module 25 in directly.
In the present invention, can be provided with described first and prevent power feedback 26 between described the first switch 24 and described intelligent card chip 23, the described second voltage (electric current) that can avoid described voltage-adjusting unit 252 to export feeds back (Feedback) to described running gear via described intelligent card chip 21.And, between described second switch 253 and described intelligent card chip 21, can be provided with described second and prevent power feedback 27, feed back to described control module 25 with the described driving power of avoiding being sent to described the first voltage of having of described intelligent card chip 21 by described power module 94 via described intelligent card chip 21.In another embodiment, described first prevent that power feedback 26 is built in also may being in the described running gear 9 but not in be built in the intelligent power supply adjusting gear 2.In addition, because described first prevents power feedback 26 and described second from preventing the on off state of power feedback 27 from having determined respectively whether intelligent card chip 21 can set up line with running gear 9 and control module 25, so first prevent that power feedback 26 and described second from preventing that power feedback 27 can be called as respectively also that the first line is set up element and the second line is set up element.
In the present embodiment, described intelligent power supply adjusting gear 2 of the present invention can more include a near field communication antenna 28, and described antenna 28 is to be coupled to described intelligent chip 21 to strengthen the near-field communication function.Described antenna 28 is built in the intelligent power supply adjusting gear 2 or in external mode in can being and is combined on the intelligent power supply adjusting gear 2.
In one embodiment, the magnitude of voltage of described the first voltage is one of them between following scope: 1.63Volts～1.98Volts, 2.7Volts～3.3Volts, and 4.5Volts～5.5Volts; And the magnitude of voltage of described second voltage is one of them between following scope: 1.63Volts～1.98Volts, 2.7Volts～3.3Volts, and 4.5Volts～5.5Volts.Wherein, described second voltage may be identical from described the first voltage also possible different.
In the present invention, described default control state can be set by following one of them mode: set, set, set by firmware by hardware circuit by computer software.And described default control state is one of them of following state:
State one: described intelligent card chip 21 is closed; As shown in Figure 2, this moment, described the first switch 24 both was open circuit (not conducting) state with described second switch 253; The described control module 25 of described intelligent power supply adjusting gear 2 still can be by obtaining to drive the transfer function that the data between described memory module 22 execution and the described running gear write or read from the described driving power of described the first output/input interface 23 inputs for described control module 25, but described intelligent card chip 21 is failure to actuate, so the user can not capture data stored in the intelligent card chip 21, also can't use the near-field communication application function with running gear by running gear; This state one is to be applicable to only want to use memory function as the user but not want to use the situation of the function of intelligent card chip 21; In another case, if have a radio-frequency discriminating (RFID) function in the described intelligent card chip 21, and when the user only wants to use described radio-frequency discriminating (RFID) function to carry out inductive operation as open and close door for example or the similar key, because radio-frequency discriminating (RFID) technology can obtain by induction mode the electric energy driving of extraneous end device 99, so also can such as state one, described the first switch 24 both be open-circuit condition with described second switch 253.
State two: described intelligent card chip 21 is only by described control module 25 power supplies; As shown in Figure 3, this moment, described the first switch 24 was open-circuit condition and described second switch 253 is channel status, made the described second voltage after described intelligent card chip 21 can only be accepted to adjust from described voltage-adjusting unit 252 via described second switch 253 and moved.And described the second output/input interface 254 is to be powered by described control module 25.State two times, the user can by running gear capture be stored in the data in the intelligent card chip 21 or use that described intelligent card chip 21 provides save applications (Security Application) function from damage, still can't carry out the near-field communication application function of described running gear.In the present embodiment, describedly save the function that application function can provide financial transactions such as licensing described running gear is paid the bill, account transfer from damage.
State three: described intelligent card chip 21 is only powered by the described power module 94 of described running gear; As shown in Figure 4, this moment, described the first switch 24 was channel status and described second switch 253 is open-circuit condition, made described intelligent card chip 21 accept move from the described driving power of described the first voltage of having of described power module 94 via described the first switch 24.State three times, the user can only carry out the near-field communication application function of described running gear and acquisition by running gear and be stored in data in the intelligent card chip 21.And described the second output/input interface 254 is by powering from the described driving power of described the first voltage of having of described power module 94.
In state three, run into sometimes some running gears, the driving power that its power module provides can provide respectively the power supply of different voltages to subscriber identify module card and intelligent card chip, for example among the embodiment shown in Figure 5, the driving power that the power module 94 of running gear provides is more to include one first power supply source 941 and one second power supply source 942, described the first power supply source 941 is to have described the first voltage and is to be coupled to described intelligent card chip 21 via described the first switch 24, and described the second power supply source 942 has a tertiary voltage and is to be coupled to described control module 25 via described the first output/input interface 23; And, not identical with described tertiary voltage in described the first voltage.In embodiment as shown in Figure 5, state three times, described the first switch 24 is channel status and described second switch 253 is open-circuit condition, described intelligent card chip 21 can only be moved from the described driving power of described the first voltage of having of described power module 94 via 24 acceptance of described the first switch, and described the second output/input interface 254 is by powering from the described driving power of described the first voltage of having of described power module 94; Therefore, described intelligent card chip 21 is only powered by the described power module 94 of described running gear.
State four: both described intelligent card chip 21 simultaneously power by described power module 94 and described control module 25; As shown in Figure 6, this moment, described the first switch 24 both was channel status with described second switch 253, and described the second output/input interface 254 is by powering from the described driving power of described the first voltage of having of described power module 94.This state four times, described first prevents that power feedback 26 and described second from preventing that the setting of power feedback 27 from can effectively avoid the phenomenon of voltage (electric current) feedback.And, state four times, the user can by running gear carry out the near-field communication application function of described running gear and acquisition be stored in data in the intelligent card chip 21, also can use by control module power to 21 of intelligent card chips thereby can provide save application function from damage.
See also Fig. 7, the contact terminal embodiment schematic diagram that has for the first output/input interface 23 of intelligent power supply adjusting gear 2 of the present invention.As previously mentioned, the apparent size of an embodiment of intelligent power supply adjusting gear of the present invention can be the apparent size specification that meets a SD/microSD storer.Therefore, described the first output/input interface includes the numbering P1 that configures according to described SD/microSD storer specification to numbering P10 totally ten contact terminals.Wherein, totally four described contact terminals of numbering P1, P2, P7, P8 number provides the described data signals of transmission, numbering P4 and numbering P6 totally two described contact terminals the described driving power that will provide from described power module are provided are transferred to described control module, the contact terminal of numbering P5 is the transmission pulse signal, and the contact terminal of described numbering P10 the described driving power with described first voltage that will provide from described power module is provided is transferred to described intelligent card chip; Wherein, described the first switch is to be coupled between the contact terminal and described intelligent card chip of described numbering P10, and described detecting voltage unit is the contact terminal that is coupled to described numbering P10; In addition, the described contact terminal of numbering P9 is an antenna signal that transmits described intelligent card chip.In another embodiment, numbering P9 can exchange with the function of two contact terminals of numbering P10.
See also Fig. 8, be an embodiment process flow diagram of the intelligent power supply method of adjustment of intelligent power supply adjusting gear 2 of the present invention, it includes the following step:
Step 31: set described default control state in described intelligent power supply adjusting gear 2, as without setting, then be used as described default control state with the initial set value of dispatching from the factory; Wherein, described default control state is also including, but not limited to the on off state of described the first switch 24, and the on off state of described the first switch 24 (path or open circuit) can be controlled and determines by user's operational action communication device 9 or by mobile communication device 9 inner performed application software;
Step 32: temporarily disconnected is by the power supply of 25 pairs of described the second output/input interfaces 254 of described control module, and controlled path or the open-circuit condition of described second switch 253 according to described default control state by described control module 25; Then, shown in step 33, if the described default control state of foundation is when making described the first switch 24 and described second switch 253 both be open-circuit condition, thus then indicate to close intelligent card chip 21 with direct execution in step 41, otherwise execution in step 34;
Is step 34: a voltage level (VCCSIM) that is checked described intelligent card chip 21 by described control module 0 volt (step 35)? if "Yes" is execution in step 36 then, if "No" execution in step 38 then;
Step 36: described control module 25 meets an appropriate voltage of the operating voltage of described intelligent card chip 21 according to the international norm of ISO 7816-3, and control makes described voltage-adjusting unit 252 be used as described second voltage according to selected described appropriate voltage, and then the described second voltage after described voltage-adjusting unit 252 adjusted offers described intelligent card chip 21 and described the second output/input interface 254 (I/O as shown in Figure 8), and begin to drive the running (step 37) that described intelligent card chip is carried out described intelligent use function (such as, but be not limited to the communication applications function of marching into the arena), execution in step 41 afterwards;
Step 38: check that by described control module 25 voltage level (VCCSIM) of described intelligent card chip 21 is between a predetermined voltage range? if "Yes" is execution in step 39 then, if "No" execution in step 40 then; Wherein, described predetermined voltage range is one of them between following scope: the first order (LEVEL1 shown in Fig. 8 step 381) scope 1.63Volts～1.98Volts, the second level (LEVEL2 shown in Fig. 8 step 382) scope 2.7Volts～3.3Volts and the third level (LEVEL3 shown in Fig. 8 step 383) scope 4.5Volts～5.5Volts; And described step 38 comprises again interchangeable step of three orders, is respectively:
Whether inferior step 381 checks the voltage level of described intelligent card chip 21 between described first order scope, if "Yes" then inferior step 391 in the execution in step 39 or inferior step 392 both one of them, if "No" is then carried out inferior step 382;
Whether inferior step 382 checks the voltage level of described intelligent card chip 21 between described second level scope, if "Yes" then inferior step 393 in the execution in step 39 or inferior step 394 both one of them, if "No" is then carried out inferior step 383;
And whether the voltage level that inferior step 383 checks described intelligent card chip 21 between described third level scope, if "Yes" then inferior step 395 in the execution in step 39 or inferior step 396 both one of them, if "No" is then carried out inferior step 40;
Step 39: as shown in Figure 8, described step 39 comprises again step 391～396 six times, wherein, inferior step 391, the 392nd is two kinds of different conditions after the "Yes" corresponding to the check result of inferior step 381, inferior step 393, the 394th is two kinds of different conditions after the "Yes" corresponding to the check result of inferior step 382, and inferior step 395, the 396th, is two kinds of different conditions after the "Yes" corresponding to the check result of inferior step 383; When according to described default control state being when making described the first switch 24 be channel status (step 391 as follows, 393, state shown in 395), then described control module 25 is set described second voltage (that is output voltage of described voltage-adjusting unit 252) for (namely set and time step 381 identical with described voltage level, 382, the present voltage of the VCCSIM that detects is identical in 383), and the described second voltage after will being adjusted by described voltage-adjusting unit 252 offers described intelligent card chip 21 and described the second output/input interface 254, and begin to drive the running that described intelligent card chip 21 is carried out described intelligent use function, execution in step 41 afterwards; When according to described default control state being when making described the first switch 24 be open-circuit condition (step 392 as follows, 394, state shown in 396), then cut off the supply of the described second voltage (that is output voltage of described voltage-adjusting unit 252) of described voltage-adjusting unit 252, and use described voltage level (time step 381 namely of described intelligent card chip 21,382, the VCCSIM electric pressure that detects in 383) offers described the second output/input interface 254, and begin to drive the running that described intelligent card chip 21 is carried out described intelligent use function, execution in step 41 afterwards;
Step 40: described voltage level is undesired, stops all operations; And,
Step 41: finish intelligent power supply method of adjustment of the present invention.
In sum, intelligent power supply method of adjustment of the present invention and device, adjust mechanism by in a flash memory, setting up an intelligent card chip and intelligent power supply, not only can have the additional functionality that is provided by described intelligent card chip so that be equiped with the running gear of this flash memory, and more can also provide according to this appropriate voltage to described intelligent card chip by the required operating voltage of Auto-Sensing intelligent card chip.Therefore, intelligent power supply adjusting gear of the present invention is applicable to the intelligent card chip of different operating voltage, and do not need to redesign power supply module or the voltage regulator module of flash memory inside more loaded down with trivial detailsly, and avoided providing overtension or the power supply feedback problem of intelligent card chip, more reached the effect of saving design and manufacturing cost.
But above-described embodiment shall not be applied to restriction range of application of the present invention, and protection scope of the present invention should be take claim content of the present invention institute definition techniques spirit and the impartial scope that included of changing thereof as main.The equalization of namely generally doing according to the present patent application claim changes and modifies, and will not lose main idea of the present invention place, does not also break away from the spirit and scope of the present invention, and the former capital should be considered as further status of implementation of the present invention.
Claims (10)
1. intelligent power supply adjusting gear, it is characterized in that, can be installed in the action device so that the function of an intelligent use to be provided, have a power module, one first switch and a connecting interface in the described running gear, described the first switch is coupled to described power module, described connecting interface is coupled to described power module, and described power module is in order to provide at least one driving power, and described driving power has at least one the first voltage; Described intelligent power supply adjusting gear includes:
One intelligent card chip, in order to described at least intelligent use function to be provided, described intelligent card chip is to operate under the environment of a second voltage; Wherein, described intelligent card chip is coupled to described the first switch, and the on off state of described the first switch has been controlled described intelligent card chip and whether accepted described driving power from described the first voltage of having of described power module;
One first output/input interface, in order to the described connecting interface that connects described running gear for transmission one data signals and described driving power; And
One control module, be coupled to described intelligent card chip and described the first output/input interface, in order to control the operation of described intelligent card chip, and the described driving power that provides from described power module is provided by described the first output/input interface, described control module is to be subject to the driving of described driving power and to operate; In addition, more include in the described control module:
One detecting voltage unit is coupled to described the first output/input interface in order to detect a magnitude of voltage of described the first voltage;
One voltage-adjusting unit is adjusted to described second voltage in order to the voltage with described driving power;
Whether one second switch is coupled between described voltage-adjusting unit and the described intelligent card chip, accept from the described second voltage after the described voltage-adjusting unit adjustment in order to control described intelligent card chip; And
One second output/input interface is coupled to described intelligent card chip, in order to transmit an intelligent card interface signal between described control module and described intelligent card chip;
Wherein, described control module is the magnitude of voltage according to a default control state and described the first voltage of detecting, decide the on off state of described second switch, and then determine that whether described intelligent card chip accept from described first voltage of the described power module of described running gear and the described second voltage after whether accepting to adjust from described voltage-adjusting unit via described second switch via described the first switch; Wherein, described default control state comprises the on off state of described the first switch.
2. intelligent power supply adjusting gear according to claim 1, it is characterized in that, the described intelligent use function that described intelligent card chip provides comprise at least following one of them: near-field communication application function, single-wire communication protocol application function, data encrypting and deciphering application function; And described running gear more device has a subscriber identify module card so that an action communication function to be provided, and described subscriber identify module card is to operate under the environment of described the first voltage.
3. intelligent power supply adjusting gear according to claim 1 is characterized in that, more includes a memory module, is coupled to described control module, in order to store data; Wherein, described control module sends described data stored in the described memory module to described running gear and will be from the described data storing of described running gear to described memory module by described the first output/input interface; Wherein, the apparent size of described intelligent power supply adjusting gear is the apparent size specification that meets a SD/microSD storer, and described memory module is that a non-volatility memorizer is for storage data, its can be following one of them: but NAND type flash memory, NOR type flash memory, and the electronic type clear program read only memory.
4. intelligent power supply adjusting gear according to claim 1, it is characterized in that, the apparent size of described intelligent power supply adjusting gear is the apparent size specification that meets a SD/microSD storer, and described the first output/input interface includes the numbering 1 that configures according to described SD/microSD storer specification to numbering 10 totally ten contact terminals, wherein, numbering 1,2,7, No. 8 totally four described contact terminals provide the described data signals of transmission, numbering 4 and numbering 6 totally two described contact terminals the described driving power that will provide from described power module are provided are transferred to described control module, and the contact terminal of described numbering 10 the described driving power with described first voltage that will provide from described power module is provided is transferred to described intelligent card chip; Described the first switch is to be coupled between the contact terminal and described intelligent card chip of described numbering 10, and described detecting voltage unit is the contact terminal that is coupled to described numbering 10; In addition, the described contact terminal of numbering 9 is antenna signals that transmit described intelligent card chip.
5. intelligent power supply adjusting gear according to claim 1, it is characterized in that, the magnitude of voltage of described the first voltage is one of them between following scope: 1.63Volts～1.98Volts, 2.7Volts～3.3Volts, and 4.5Volts～5.5Volts; And the magnitude of voltage of described second voltage is one of them between following scope: 1.63Volts～1.98Volts, 2.7Volts～3.3Volts, and 4.5Volts～5.5Volts.
6. intelligent power supply adjusting gear according to claim 1, it is characterized in that, between described the first switch and described intelligent card chip, be provided with one first and prevent power feedback, feed back to described running gear with the described second voltage of avoiding described voltage-adjusting unit to be exported via described intelligent card chip; And, between described second switch and described intelligent card chip, be provided with one second and prevent power feedback, feed back to described control module with the described driving power of avoiding being sent to described the first voltage of having of described intelligent card chip by described power module via described intelligent card chip.
7. intelligent power supply adjusting gear according to claim 1 is characterized in that, described default control state is to set by following one of them mode: set, set, set by firmware by hardware circuit by computer software; And described default control state is one of them of following state:
State one: described intelligent card chip is closed, this moment, described the first switch and described second switch both were open-circuit condition, the described control module of described intelligent power supply adjusting gear still by obtain described driving power from described the first output/input interface input drive for described control module described memory module carry out with described running gear between data-transformation facility, still described intelligent card chip is failure to actuate;
State two: described intelligent card chip is only by described control module power supply, this moment, described the first switch was open-circuit condition and described second switch is channel status, made described intelligent card chip accept move from the described second voltage after the described voltage-adjusting unit adjustment via described second switch;
State three: described intelligent card chip is only powered by the described power module of described running gear, this moment, described the first switch was channel status and described second switch is open-circuit condition, made described intelligent card chip accept move from the described driving power of described the first voltage of having of described power module via described the first switch;
State four: both described intelligent card chip simultaneously power by described power module and described control module, and this moment, described the first switch and described second switch both were channel status.
8. intelligent power supply adjusting gear according to claim 7, it is characterized in that, the described driving power that described power module provides more includes one first power supply source and one second power supply source, described the first power supply source is to have described the first voltage and is to be coupled to described intelligent card chip via described the first switch, and described the second power supply source is to have a tertiary voltage and is to be coupled to described control module via described the first output/input interface; And, not identical with described tertiary voltage at described the first voltage.
9. the intelligent power supply method of adjustment of an intelligent power supply adjusting gear according to claim 1 is characterized in that, includes the following step:
Step (A): set described default control state in described intelligent power supply adjusting gear, as without setting, then be used as described default control state with the initial set value of dispatching from the factory;
Step (B): temporarily disconnected is by the power supply of described control module to described the second output/input interface, and controlled path or the open-circuit condition of described second switch according to described default control state by described control module; If be when making described the first switch and described second switch both be open-circuit condition according to described default control state, direct execution in step (H) then, otherwise execution in step (C);
Step (C): check that by described control module a voltage level of described intelligent card chip is 0 volt? if "Yes" is execution in step (D) then, if "No" execution in step (E) then;
Step (D): described control module will be offered by the described second voltage after the described voltage-adjusting unit adjustment described intelligent card chip and described the second output/input interface, and begin to drive the running that described intelligent card chip is carried out described intelligent use function, afterwards execution in step (H);
Step (E): check that by described control module a voltage level of described intelligent card chip is between a predetermined voltage range? if "Yes" is execution in step (F) then, if "No" execution in step (G) then;
Step (F): when the described default control state of foundation is when making described the first switch be channel status, then described control module is set described second voltage for identical with described voltage level, and will be offered by the described second voltage after the described voltage-adjusting unit adjustment described intelligent card chip and described the second output/input interface; When the described default control state of foundation is when making described the first switch be open-circuit condition, then cut off the supply of the described second voltage of described voltage-adjusting unit, and offer described the second output/input interface with the described voltage level of described intelligent card chip, and begin to drive the running that described intelligent card chip is carried out described intelligent use function, afterwards execution in step (H);
Step (G): described voltage level is undesired, stops all operations; And,
Step (H): finish described intelligent power supply method of adjustment.
10. intelligent power supply method of adjustment according to claim 9 is characterized in that, described predetermined voltage range is one of them between following scope: 1.63Volts～1.98Volts, 2.7Volts～3.3Volts, and 4.5Volts～5.5Volts.
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Application publication date: 20130925 |