CN106326967A - RFID chip with interactive switch input port - Google Patents
RFID chip with interactive switch input port Download PDFInfo
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- CN106326967A CN106326967A CN201510364510.1A CN201510364510A CN106326967A CN 106326967 A CN106326967 A CN 106326967A CN 201510364510 A CN201510364510 A CN 201510364510A CN 106326967 A CN106326967 A CN 106326967A
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- 230000002452 interceptive effect Effects 0.000 title claims abstract description 23
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000004364 calculation method Methods 0.000 claims description 93
- 238000011217 control strategy Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 238000013500 data storage Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 6
- 230000000149 penetrating effect Effects 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 3
- 235000012054 meals Nutrition 0.000 description 3
- 230000006399 behavior Effects 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The invention discloses an RFID chip with an interactive switch input port. The chip comprises a radio-frequency interface circuit unit, a computing control unit, a storage unit and an input interface circuit unit; and when an RFID reader/writer performs read/write operation with the RFID chip, information generated by the RFID reader and the computing control unit is subjected to information transmission and exchange by the radio-frequency interface circuit unit through an external antenna of the radio-frequency interface circuit unit. In the RFID chip, the input interface circuit unit sends one or more signals to the computing control unit through manual or natural environment intervention. When an application system of the RFID chip sends an appointment special instruction to the RFID chip through the RFID reader/writer, information generated by the computing control unit can be influenced by the signal sent to the computing control unit by the input interface circuit unit.
Description
Technical field
The present invention relates to RFID chip.
Background technology
Along with Internet of Things and the development of mobile Internet, RFID and various IC-card should
With more and more extensive, comprehensively popularizing in particular with smart mobile phone, mobile phone radio frequency identification function
And NFC function the most day by day popularizes, the multifunctional unit of RFID and IC-card is just being applied
Quickly increasing.
RFID chip used by traditional RFID and IC-card is all with radio-frequency antenna for only
The energy of one and handshake interface, this simple version makes the encapsulation of RFID chip
Convenient, cost is relatively low, and the Rapid Popularization for RFID provides condition.
But, along with the development of RFID application, it has been found that traditional RFID chip is " single
Function ".I.e. it is merely able to the default homology of the design set according to chip and application system
System carries out information exchange.And the change of IC-card holder or RFID application scenarios all can not be fed back
In application system, this multifunctional unit making RFID apply brings difficulty.
Label that we need to carry and IC-card card sector-meeting is thus made to get more and more, the most also
Some basic interactive demands can not be met.
Summary of the invention
Present invention aim to address that RFID chip can not realize basic interaction function and RFID core
User's problem to user's right to choose of multiple functions is solved during sheet multifunctional unit.
Employed technical scheme comprise that such for realizing the object of the invention, including four kinds of function shapes
State:
One:
The RFID chip of a kind of band interactive switch input port, described RFID chip includes penetrating
Frequently interface circuit unit, calculation control unit, memory element and input interface circuit unit.When
When rfid interrogator is written and read operation with described RFID chip, RFID reader is with described meter
The information calculating control unit generation is carried out by its external antenna by radio-frequency interface circuit unit
Information transmission and exchange.
In described RFID chip, by artificial or natural environment intervention, described input interface electricity
Road unit sends one or more signals to described calculation control unit.
The application system of described RFID chip is sent out to described RFID chip by rfid interrogator
When going out to arrange special instruction, described input interface circuit can be read by described calculation control unit
The switching-state information of unit.
Its two:
The RFID chip of a kind of band interactive switch input port, described RFID chip includes penetrating
Frequently interface circuit unit, calculation control unit, memory element and input interface circuit unit.When
When rfid interrogator is written and read operation with described RFID chip, RFID reader is with described meter
The information calculating control unit generation is carried out by its external antenna by radio-frequency interface circuit unit
Information transmission and exchange.
In described RFID chip, by artificial or natural environment intervention, described input interface electricity
Road unit sends one or more signals to described calculation control unit.
The application system of described RFID chip is sent to described RFID chip by rfid interrogator
During agreement special instruction, the information that described calculation control unit can be made to produce is connect by described input
The impact of the signal that mouth circuit unit is sent to.
Its three:
The RFID chip of a kind of band interactive switch input port, described RFID chip includes penetrating
Frequently interface circuit unit, calculation control unit, memory element and input interface circuit unit.When
When rfid interrogator is written and read operation with described RFID chip, RFID reader is with described meter
The information calculating control unit generation is carried out by its external antenna by radio-frequency interface circuit unit
Information transmission and exchange.
In described RFID chip, by artificial or natural environment intervention, described input interface electricity
Road unit sends one or more signals to described calculation control unit.
Described memory cell contains some information.
The application system of described RFID chip is sent out to described RFID chip by rfid interrogator
When going out to arrange special instruction, can make described calculation control unit according to input interface circuit unit to
The signal that described calculation control unit sends, selectively described memory cell stored up
Bar or a plurality of information are sent out.
Its four:
The RFID chip of a kind of band interactive switch input port, described RFID chip includes penetrating
Frequently interface circuit unit, calculation control unit, memory element and input interface circuit unit.When
When rfid interrogator is written and read operation with described RFID chip, RFID reader is with described meter
The information calculating control unit generation is carried out by its external antenna by radio-frequency interface circuit unit
Information transmission and exchange.
In described RFID chip, by artificial or natural environment intervention, described input interface electricity
Road unit sends one or more signals to described calculation control unit.
Described memory cell contains information.Calculating control it is provided with in described calculation control unit
System strategy.
The application system of described RFID chip is sent out to described RFID chip by rfid interrogator
When going out to arrange special instruction, can make described calculation control unit according to calculate control strategy, with defeated
Signal and memory cell storage information that incoming interface circuit unit produces are parameter, calculate or determine
Surely the information being sent out.
Further, described calculation control unit is Digital Logic calculation control unit.Described storage
Unit is EEPROM (EEPROM).
Further, described calculation control unit is microprocessor calculation control unit, described micro-place
Reason device calculation control unit is made up of microprocessor (CPU) and program storage (ROM).Institute
State memory element to be made up of random access memory (RAM) and data storage (EEPROM).
Further, the external circuits of described input interface circuit unit is only switch, when it closes
Or when disconnecting, described input interface circuit unit is believed to the level that calculation control unit output is different
Number.
Further, described input interface circuit unit comprises several switch input interface circuits,
The external contact switch of each switch input interface circuit all exports one to calculation control unit
Road level signal.And the kind of these level signals closing by the corresponding external contact switch of chip
Close or disconnect and determine.
Further, described input interface circuit unit includes the first resistance (R1), the second resistance
(R2), it is unidirectionally controlled switch and on-off control position (C0).Described first resistance (R1) and
Two resistance (R2) composition bleeder circuit, power supply (V is accessed in described first resistance (R1) one endDD)、
The other end is divided into two-way, and wherein a road concatenates the second resistance (R2) afterwards by chip outside connected switch
KC0Rear ground connection (VSS), an other road connection is unidirectionally controlled the control switched by calculation control unit
Position C processed0The input interface of calculation control unit is accessed after control.Described it is unidirectionally controlled the two of switch
End is respectively K0＇ and K0＂ terminal.Described outside connected switch KC0Link with the second resistance (R2)
One end be K0Terminal.
Described outside connected switch KC0When being controlled as Guan Bi by the external world, K0End and VSSConnection, passes through
K after the bleeder circuit dividing potential drop that first resistance (R1) and the second resistance (R2) form0＇ is low electricity
Position, K0＇ is by being input to the input interface K of calculation control unit after being unidirectionally controlled switch0＂,
At this moment K0＂ and K0＇ is similarly electronegative potential, and calculation control unit then thinks outside connected switch circuit list
Unit respective switch position is " 0 ".
Described outside connected switch KC0When being controlled as disconnecting by the external world, K0End and VSSDisconnect, pass through
K after the bleeder circuit dividing potential drop that first resistance (R1) and the second resistance (R2) form0＇ is high electricity
Position, K0＇ is by being input to the input interface K of calculation control unit after being unidirectionally controlled switch0＂,
At this moment K0＂ and K0＇ is similarly high potential, and calculation control unit then thinks outside connected switch circuit list
Unit respective switch position is " 1 ".
What deserves to be explained is, the present invention, based on above-mentioned mentality of designing, can meet the most basic
Interactive demand, keeps the simple version as far as possible of RFID chip the most to greatest extent
And put forward.It is additional on the basis of traditional simplest RFID chip version
Simplest input interface circuit unit and the most succinct external circuits demand, it is achieved that RFID
Electronic tag or the most basic interactive demand of IC-card application scenarios, make RFID or
The support system of IC-card can receive the change of its application scenarios or the changes in demand of holder.
The appearance of this brand-new RFID chip, it will the application extension for RFID chip goes out more
Application scenarios and application.
Accompanying drawing explanation
Fig. 1 is the chip frame figure of the present invention.
Fig. 2 is the total system framework map of the present invention.
Fig. 3 is the framework map of the RFID chip that a kind of Digital Logic controls.
Fig. 4 is the framework map of the RFID chip of another band CPU.
Fig. 5 is the circuit diagram of a kind of input interface circuit unit.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, but should not be construed this
Invent above-mentioned subject area and be only limitted to following embodiment.Without departing from the above-mentioned technological thought of the present invention
In the case of, according to ordinary skill knowledge and customary means, make various replacement and change
More, and the present invention more areas or scene extension apply, all should be included in the present invention's
In protection domain.
Embodiment 1:
The RFID chip of a kind of band interactive switch input port, described RFID chip includes penetrating
Frequently interface circuit unit, calculation control unit, memory element and input interface circuit unit.When
When rfid interrogator is written and read operation with described RFID chip, RFID reader is with described
The information that calculation control unit produces is entered by its external antenna by radio-frequency interface circuit unit
The transmission of row information and exchange.
In the described RFID chip of the present embodiment, also include input interface circuit unit.Described
In RFID chip, by artificial or natural environment intervention, described input interface circuit unit to
Described calculation control unit sends one or more signals.
Described calculation control unit produce information by described input interface circuit unit to it
The impact of the signal sent.
Specifically, this RFID chip can simultaneously as gate inhibition, use voucher and dining room is propped up
Pay and use.The most described input interface circuit unit is three switches, each contact switch all to
Calculation control unit exports a road level signal.And the kind of these level signals is touched by corresponding
Guan Bi or the disconnection of some switch determine.
User can adjust three switches and export K to calculation control unit respectively1、K2、K3Three
Road signal.
Work as K1It is 1, K2And K3When being 0, RFID chip uses as gate inhibition.When it is read
When taking, the authentication information of the holder in calculation control unit output block.
Work as K1And K3It is 0, K2When being 1, RFID chip uses as using voucher.When it
Be read out, the holder in calculation control unit output block use books, currency or
The information of material.
Work as K1And K2It is 0, K3When being 1, RFID chip uses as mess card.When it is read
When taking, the credit balance information of the holder in calculation control unit output block.
Embodiment 2:
The RFID chip of a kind of band interactive switch input port, described RFID chip includes penetrating
Frequently interface circuit unit, calculation control unit, memory element and input interface circuit unit.When
When rfid interrogator is written and read operation with described RFID chip, RFID reader is with described meter
The information calculating control unit generation is carried out by its external antenna by radio-frequency interface circuit unit
Information transmission and exchange.
In the RFID chip of the present embodiment, also include input interface circuit unit.Described RFID
In chip, by artificial or natural environment intervention, described input interface circuit unit is to described meter
Calculate control unit and send one or more signals.
Described calculation control unit produce information by described input interface circuit unit to it
The impact of the signal sent.
Specifically, this RFID chip can react the use scene of commodity.The most described input
Interface circuit unit is three switches, and each contact switch all exports one to calculation control unit
Road level signal.And the kind of these level signals is by the Guan Bi of corresponding contact switch or disconnection
Determine.
Three switches export K to calculation control unit respectively1、K2、K3Three road signals.
When commodity are in the state of " wait is dispatched from the factory ", K1、K2And K3When being 0.RFID
The information such as chip is read out, the commodity serial number in calculation control unit output block, and
And the status information of output " wait is dispatched from the factory ", system can be automatically after reading this information
Transfer in the corresponding processing program of " wait is dispatched from the factory ".
When commodity be in reach at agent time, after items scanning, K1Be 1, K2And K3It is
0.RFID chip is read out, the commodity serial number etc. in calculation control unit output block
Information, and export the status information of " reaching at agent ", system is reading this information
Can be automatically transferred to arrive in the corresponding processing program at agent later.
When commodity be in reach retailer time so that K1Be 1, K2Be 1, K3It is 0.RFID
The information such as chip is read out, the commodity serial number in calculation control unit output block, and
And the status information of output " reaching retailer ", system is after reading this information
It is automatically transferred in the corresponding processing program of arrival retailer.
When commodity are in and are sold so that K1Be 1, K2Be 1, K3It is 1.RFID chip
It is read out, the information such as commodity serial number in calculation control unit output block, and defeated
Going out the status information of " by selling ", system can be automatically transferred to after reading this information
Commodity are with in the corresponding processing program through selling.
Embodiment 3:
The RFID chip of a kind of band interactive switch input port, this RFID chip implants IC-card
In.
Described RFID chip includes radio-frequency interface circuit unit, calculation control unit, storage list
Unit and input interface circuit unit.When rfid interrogator is written and read behaviour with described RFID chip
When making, the information that RFID reader produces with described calculation control unit is by radio-frequency interface circuit
Unit carries out information transmission and exchange by its external antenna.
In the RFID chip of the present embodiment, also include input interface circuit unit.Described RFID
In chip, by artificial or natural environment intervention, described input interface circuit unit is to described meter
Calculate control unit and send one or more signals.
Described calculation control unit produce information by described input interface circuit unit to it
The impact of the signal sent.
Specifically, this IC-card can set set meal.The most described input interface circuit unit is
Three switches, each contact switch all exports a road level signal to calculation control unit.And
The kind of these level signals is determined by Guan Bi or the disconnection of corresponding contact switch.Work as IC
Blocking and pay application as certain, when consumption, businessman provides the combination of different consumption set meal and is available for
When consumer selects, consumer can select different switch combinations according to a preconcerted arrangement, thus to being
System sends selects different set meal combinations to pay and consume.
Such as:
Three switches export K to calculation control unit respectively1、K2、K3Three road signals.
Consumer sets K1、K2And K3When being 0, IC-card is read out, and calculates and controls list
A package information in unit output block.
Consumer sets K1Be 1, K2Be 1, K3When being 0, IC-card is read out, and calculates control
B package information in unit output block processed.
Consumer sets K1Be 1, K2Be 1, K3When being 1, IC-card is read out, and calculates control
C package information in unit output block processed.
Embodiment 4:
The RFID chip of a kind of band interactive switch input port, this RFID chip implants IC-card
In.
Described RFID chip includes radio-frequency interface circuit unit, calculation control unit, storage list
Unit and input interface circuit unit.When rfid interrogator is written and read behaviour with described RFID chip
When making, the information that RFID reader produces with described calculation control unit is by radio-frequency interface circuit
Unit carries out information transmission and exchange by its external antenna.
In the RFID chip of the present embodiment, also include input interface circuit unit.Described RFID
In chip, by artificial or natural environment intervention, described input interface circuit unit is to described meter
Calculate control unit and send one or more signals.
Described calculation control unit produce information by described input interface circuit unit to it
The impact of the signal sent.
Specifically, this IC-card can bind multiple bank cards, and selectivity uses.I.e. institute
Stating input interface circuit unit is three switches, and each contact switch is all to calculation control unit
Export a road level signal.And the kind of these level signals is by the Guan Bi of corresponding contact switch
Or disconnection determines.Specifically:
Three switches export K to calculation control unit respectively1、K2、K3Three road signals.
Consumer sets K1、K2And K3When being 0, IC-card is read out, and calculates and controls list
A bank card information in unit output block.
Consumer sets K1Be 1, K2Be 1, K3When being 0, IC-card is read out, and calculates control
B bank card information in unit output block processed.
Consumer sets K1Be 1, K2Be 1, K3When being 1, IC-card is read out, and calculates control
C bank card information in unit output block processed.
Embodiment 5:
The major part of the present embodiment is with embodiment 1 or 2, further, and described RFID core
In sheet, also include input interface circuit unit.Rfid interrogator sends special agreement instruction
The on off state letter of described input interface circuit unit can be read by described calculation control unit
Breath.Thus make the holder of rfid interrogator or server know to state in RFID chip
The state (outputing which kind of information to calculation control unit) of input interface circuit unit.Meanwhile,
Aforesaid operations has indirectly understood manually or input interface circuit unit is created by natural environment
Which kind of is intervened.
Embodiment 6
The major part of the present embodiment with embodiment 1,2 or 3, merely provide as Fig. 5 that
A kind of concrete input interface circuit unit of sample.This input interface circuit unit includes the first electricity
Hinder (R1), the second resistance (R2), be unidirectionally controlled switch and on-off control position (C0).Described
First resistance (R1) and the second resistance (R2) composition bleeder circuit, described first resistance (R1)
Power supply (V is accessed in one endDD), the other end be divided into two-way, wherein a road concatenates the second resistance (R2)
Afterwards by chip outside connected switch KC0Rear ground connection (VSS), an other road connects to be unidirectionally controlled to switch and leads to
Cross the control bit C of calculation control unit0The input interface of calculation control unit is accessed after control.Institute
State and be unidirectionally controlled the two ends of switch and be respectively K0＇ and K0＂ terminal.Described outside connected switch KC0With
One end that second resistance (R2) links is K0Terminal.
Described outside connected switch KC0When being controlled as Guan Bi by the external world, K0End and VSSConnection, passes through
K after the bleeder circuit dividing potential drop that first resistance (R1) and the second resistance (R2) form0＇ is low electricity
Position, K0＇ is by being input to the input interface K of calculation control unit after being unidirectionally controlled switch0＂,
At this moment K0＂ and K0＇ is similarly electronegative potential, and calculation control unit then thinks outside connected switch circuit list
Unit respective switch position is " 0 ".
Described outside connected switch KC0When being controlled as disconnecting by the external world, K0End and VSSDisconnect, pass through
K after the bleeder circuit dividing potential drop that first resistance (R1) and the second resistance (R2) form0＇ is high electricity
Position, K0＇ is by being input to the input interface K of calculation control unit after being unidirectionally controlled switch0＂,
At this moment K0＂ and K0＇ is similarly high potential, and calculation control unit then thinks outside connected switch circuit list
Unit respective switch position is " 1 ".
Claims (9)
1. the RFID chip of a band interactive switch input port, it is characterised in that: described RFID chip includes radio-frequency interface circuit unit, calculation control unit, memory element and input interface circuit unit；When rfid interrogator is written and read operation with described RFID chip, the information that RFID reader produces with described calculation control unit is carried out information transmission and exchange by radio-frequency interface circuit unit by its external antenna；
In described RFID chip, by artificial or natural environment intervention, described input interface circuit unit sends one or more signals to described calculation control unit；
The application system of described RFID chip when described RFID chip sends agreement special instruction, can read the switching-state information of described input interface circuit unit by rfid interrogator by described calculation control unit.
2. the RFID chip of a band interactive switch input port, it is characterised in that: described RFID chip includes radio-frequency interface circuit unit, calculation control unit, memory element and input interface circuit unit；When rfid interrogator is written and read operation with described RFID chip, the information that RFID reader produces with described calculation control unit is carried out information transmission and exchange by radio-frequency interface circuit unit by its external antenna；
In described RFID chip, by artificial or natural environment intervention, described input interface circuit unit sends one or more signals to described calculation control unit；
The application system of described RFID chip is by rfid interrogator when described RFID chip sends agreement special instruction, and the signal that the information that described calculation control unit can be made to produce is sent to by described input interface circuit unit is affected.
3. the RFID chip of a band interactive switch input port, it is characterised in that: described RFID chip includes radio-frequency interface circuit unit, calculation control unit, memory element and input interface circuit unit；When rfid interrogator is written and read operation with described RFID chip, the information that RFID reader produces with described calculation control unit is carried out information transmission and exchange by radio-frequency interface circuit unit by its external antenna；
In described RFID chip, by artificial or natural environment intervention, described input interface circuit unit sends one or more signals to described calculation control unit；
Described memory cell contains some information；
The application system of described RFID chip by rfid interrogator to described RFID chip send agreement special instruction time, the signal that described calculation control unit sends to described calculation control unit according to input interface circuit unit can be made, selectively one or more information that described memory cell is stored up is sent out.
4. the RFID chip of a band interactive switch input port, it is characterised in that: described RFID chip includes radio-frequency interface circuit unit, calculation control unit, memory element and input interface circuit unit；When rfid interrogator is written and read operation with described RFID chip, the information that RFID reader produces with described calculation control unit is carried out information transmission and exchange by radio-frequency interface circuit unit by its external antenna；
In described RFID chip, by artificial or natural environment intervention, described input interface circuit unit sends one or more signals to described calculation control unit；
Described memory cell contains information；Calculating control strategy it is provided with in described calculation control unit；
The application system of described RFID chip by rfid interrogator to described RFID chip send agreement special instruction time, described calculation control unit can be made according to calculating control strategy, the signal produced with input interface circuit unit and memory cell storage information, as parameter, calculate or determine the information being sent out.
5. according to the RFID chip of a kind of band interactive switch input port described in claim 1,2,3 or 4, it is characterised in that: described calculation control unit is Digital Logic calculation control unit；Described memory element is EEPROM (EEPROM).
6. according to the RFID chip of a kind of band interactive switch input port described in claim 1,2,3 or 4, it is characterized in that: described calculation control unit is microprocessor calculation control unit, described microprocessor calculation control unit is made up of microprocessor (CPU) and program storage (ROM)；Described memory element is made up of random access memory (RAM) and data storage (EEPROM).
7. according to the RFID chip of a kind of band interactive switch input port described in claim 1,2,3 or 4, it is characterized in that: the external circuits of described input interface circuit unit is only switch, when its Guan Bi or disconnection, described input interface circuit unit exports different level signals to calculation control unit.
8. according to the RFID chip of a kind of band interactive switch input port described in claim 1,2,3 or 4, it is characterized in that: described input interface circuit unit comprises several switch input interface circuits, the external contact switch of each switch input interface circuit all exports a road level signal to calculation control unit；And the kind of these level signals is determined by Guan Bi or the disconnection of the corresponding external contact switch of chip.
9. according to the RFID chip of a kind of band interactive switch input port described in claim 1,2,3 or 4, it is characterised in that: described input interface circuit unit includes the first resistance (R1), the second resistance (R2), is unidirectionally controlled switch and on-off control position (C0)；Described first resistance (R1) and the second resistance (R2) composition bleeder circuit, power supply (V is accessed in described first resistance (R1) one endDD), the other end be divided into two-way, wherein a road concatenates the second resistance (R2) afterwards by chip outside connected switch KC0Rear ground connection (VSS), an other road connection is unidirectionally controlled the control bit C switched by calculation control unit0The input interface of calculation control unit is accessed after control；The described two ends being unidirectionally controlled switch are respectively K0＇ and K0＂ terminal；Described outside connected switch KC0The one end linked with the second resistance (R2) is K0Terminal；
Described outside connected switch KC0When being controlled as Guan Bi by the external world, K0End and VSSConnection, by K after the bleeder circuit dividing potential drop that the first resistance (R1) and the second resistance (R2) form0＇ is electronegative potential, K0＇ is by being input to the input interface K of calculation control unit after being unidirectionally controlled switch0＂, at this moment K0＂ and K0＇ is similarly electronegative potential, and calculation control unit then thinks that outside connected switch circuit unit respective switch position is for " 0 "；
Described outside connected switch KC0When being controlled as disconnecting by the external world, K0End and VSSDisconnect, by K after the bleeder circuit dividing potential drop that the first resistance (R1) and the second resistance (R2) form0＇ is high potential, K0＇ is by being input to the input interface K of calculation control unit after being unidirectionally controlled switch0＂, at this moment K0＂ and K0＇ is similarly high potential, and calculation control unit then thinks that outside connected switch circuit unit respective switch position is for " 1 ".
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| CN201510364510.1A CN106326967B (en) | 2015-06-29 | 2015-06-29 | RFID chip with interactive switch input port |
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