A label chip, a data reading method and device

Abstract

The present invention discloses a tag chip, a data reading method and a device. The tag chip includes: an analog module, a digital module and a storage module. Among them, the analog module has at least three pins, and at least two of the pins are reusable instruction customization pins. The welded instruction customization pins among the at least two instruction customization pins are used to transmit the received reading signal; the digital module is electrically connected to the storage module, and the digital module includes a command selection unit. Customized instructions corresponding to each instruction customization pin are stored in the command selection unit. The customized instruction is retrieved based on the pin identification of the welded instruction customization pin, and the target tag data corresponding to the customized instruction is obtained in the storage module. By selecting the instruction customization pins of the tag chip, and then retrieving the customized instructions corresponding to the instruction customization pins, the corresponding target tag data is obtained according to the customized instructions, realizing the customized selection of the data reading function of the tag chip and meeting the customized needs of users.

Description

Technical Field

[0001] The embodiments of the present invention relate to the field of chip design, and in particular to a tag chip, a data reading method and a device. Background Art

[0002] At present, Radio Frequency Identification (RFID) is widely used in the fields of automotive chip anti-theft devices, access control, parking lot control, production line automation, material management, etc. RFID can achieve the purpose of identifying targets and exchanging data.

[0003] In the prior art, the customized instructions inside the RFID tag chip are all fixed in the hardware logic, and cannot read different data according to different customer needs, and cannot meet customer needs. Summary of the invention

[0004] The embodiments of the present invention provide a tag chip, a data reading method and a device to realize the customized selection of the data reading function of the tag chip to meet the customized needs of users.

[0005] In a first aspect, an embodiment of the present invention provides a tag chip, comprising: an analog module, a digital module and a storage module, wherein the analog module comprises at least three pins, the pins comprise at least two reusable instruction customization pins, and the welded instruction customization pins among the at least two instruction customization pins are used to transmit a received read signal;

[0006] The analog module is electrically connected to the digital module, and the analog module is used to transmit the read signal to the digital module;

[0007] The digital module is electrically connected to the storage module, and the digital module includes a command selection unit, in which custom instructions corresponding to each instruction custom pin are stored. The custom instructions are called based on the pin identifier of the welded instruction custom pin, and the target tag data corresponding to the custom instruction is obtained in the storage module.

[0008] In a second aspect, an embodiment of the present invention provides a data reading method, comprising:

[0009] Receiving a read signal sent by a read-write device, wherein the read signal is transmitted via a command customized pin;

[0010] Retrieving a customized instruction based on a pin identifier corresponding to the instruction customized pin;

[0011] The target tag data corresponding to the customized instruction and stored in the tag chip is read, and the target tag data is fed back to the reading and writing device.

[0012] In a third aspect, an embodiment of the present invention further provides a data reading device, including:

[0013] A signal receiving module, configured to receive a reading signal sent by a reading and writing device, where the reading signal is transmitted through an instruction customization pin;

[0014] An instruction retrieval module, configured to retrieve a customization instruction based on a pin identifier corresponding to the instruction customization pin;

[0015] A data reading module, configured to read target tag data stored in a tag chip and corresponding to the customization instruction, and feedback the target tag data to the reading and writing device.

[0016] The present invention discloses a tag chip, a data reading method, and a device. By selecting an instruction customization pin of the tag chip, the corresponding customization instruction of the instruction customization pin is retrieved, and thus the corresponding target tag data is obtained according to the customization instruction, realizing the customized selection of the data reading function of the tag chip and meeting the customized requirements of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the exemplary embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the introduced drawings are only the drawings of a part of the embodiments to be described by the present invention, rather than all the drawings. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

[0018] Figure 1 is a schematic structural diagram of a tag chip provided in Embodiment 1 of the present invention;

[0019] Figure 2 is a schematic diagram of a tag chip provided in Embodiment 2 of the present invention;

[0020] Figure 3 is a schematic flowchart of a data reading method provided in Embodiment 3 of the present invention;

[0021] Figure 4 is a schematic structural diagram of a data reading device provided in Embodiment 4 of the present invention. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] The present invention will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present invention, rather than limiting the present invention.

[0023] It should also be noted that, for ease of description, only the parts related to the present invention rather than all the content are shown in the drawings. Before discussing the exemplary embodiments in more detail, it should be mentioned that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although the flowcharts describe the operations (or steps) as sequential processes, many of the operations can be implemented in parallel, concurrently, or simultaneously. In addition, the order of the operations can be rearranged. The process can be terminated when its operations are completed, but it can also have additional steps not included in the drawings. The process can correspond to a method, function, procedure, subroutine, subprogram, etc.

[0024] Embodiment 1

[0025] Figure 1 FIG. is a schematic structural diagram of a tag chip provided in Embodiment 1 of the present invention. This embodiment is applicable to the case of customizing the functions of the tag chip. Among them, Figure 1 Taking only one example, without limiting the number of the analog module 110, the digital module 120, and the storage module 130, the tag chip includes: an analog module 110, a digital module 120, and a storage module 130.

[0026] Among them, the analog module 110 is electrically connected to the digital module 120 and is used to process analog signals and transmit the processed analog signals to the digital module 120. The digital module 120 is electrically connected to the storage module 130 and is used to read data from the storage module 110 according to the retrieved customization instructions. The digital module 120 can also receive the data read from the storage module 130 and transmit it to the analog module 110. The analog module 110 may include, but is not limited to, a radio frequency front-end unit, a reset control unit, a power management unit, a clock management unit, and a random number generator unit. The above units can jointly implement the processing of analog signals, that is, the processing of the read signals sent by the reading and writing device. It should be noted that the read signals in this application are only for illustrative purposes, and the reading and writing device can also send write signals to write data into the tag chip.

[0027] Furthermore, the analog module 110 includes at least three pins, and at least two of the pins are reusable instruction customization pins. The welded instruction customization pins among the at least two instruction customization pins are used to transmit the received read signals.

[0028] Among them, the pins refer to the pins of the tag chip. Specifically, they can be the pins in the tag chip that are connected to the analog module 110. The number of pins is at least three, which can include at least two reusable instruction customization pins and one ground pin. The instruction customization pins refer to the pins bound to the customization instructions and can be used to transmit read signals. In addition, the instruction customization pins are reusable pins, that is, after the test is completed, each instruction customization pin is not discarded and can still be used.

[0029] It should be noted that different instruction customization pins correspond to different customization instructions, and different customization instructions can implement different functions. The customization instructions can include one or more instructions. When there are multiple instructions, the instruction information can be an instruction set to implement multiple functions. In this embodiment, the function can be a data reading function or a data writing function, which is not limited herein. By selecting different instruction customization pins for soldering, different functions of the chip can be realized, that is, different instruction customization pins paired with the ground pin can achieve different functions. Thus, according to the user's needs, the instruction customization pins to be soldered can be selected to implement the functions corresponding to the customer's requirements.

[0030] Optionally, the pins further include a ground pin. The instruction customization pins are electrically connected to the first connection point of the antenna, and the ground pin is electrically connected to the second connection point of the antenna. Among them, the antenna is used to receive the read signal sent by the reading and writing device, and the read signal is transmitted to the tag chip through the pins.

[0031] Among them, the reading and writing device can continuously send read signals to the electronic tag. The antenna in the electronic tag is used to receive the read signal and transmit the read signal to the tag chip through the instruction customization pins. It can be understood that the antenna can include a first connection point and a second connection point. The first connection point can be connected to the instruction customization pin, and the second connection point is electrically connected to the ground pin, so that the antenna is connected to the tag chip to form a loop, thereby realizing the reception of the read signal. The antenna can also send the target tag data to the reading and writing device. In the embodiment of the present invention, the first connection point and the second connection point are only used to explain the structure of the antenna and do not limit the devices connected thereto. For example, the first connection point can also be connected to the ground pin, and the second connection point can be connected to the instruction customization pin.

[0032] Optionally, the number of the instruction customization pins is 5, and the command selection unit stores the customization instructions corresponding to each of the instruction customization pins.

[0033] In the embodiments of the present invention, five instruction customization pins are set, which can meet the user's requirements for customizing the tag chip. It should be noted that the five instruction customization pins are set according to the reading requirements of the RFID tag chip. In some embodiments, with the development of the RFID tag chip and the enrichment of functions, the number of instruction customization pins can be increased, and the number of instruction customization pins is not limited.

[0034] Further, the analog module 110 is electrically connected to the digital module 120. The analog module 110 is used to transmit the reading signal to the digital module; the digital module 120 is electrically connected to the storage module 130. The digital module 120 includes a command selection unit. Customized instructions corresponding to each instruction customization pin are stored in the command selection unit. The customized instruction is retrieved based on the pin identifier of the welded instruction customization pin, and the target tag data corresponding to the customized instruction is obtained in the storage module 130.

[0035] Among them, the command selection unit refers to the unit in the digital module 120 for retrieving customized instructions. The pin identifier refers to the number information of the customizable pin. There is a corresponding relationship between the pin identifier and the customized instruction. The customized instruction corresponding to the instruction customization pin can be retrieved through the pin identifier. The target tag data refers to the data read according to the customized instruction, that is, the data that the user customizes to read.

[0036] Specifically, customized instructions corresponding to each instruction customization pin are stored in the command selection unit. When the reading signal is transmitted to the digital module 120, the digital module 120 undergoes processes such as decoding and verification to obtain the pin identifier corresponding to the reading signal; further, the command selection unit can retrieve the customized instruction according to the pin identifier of the instruction customization pin, and obtain the target tag data corresponding to the customized instruction in the storage module 130, realizing the customized selection of the label chip data reading function and meeting the user's customization requirements.

[0037] Based on the above embodiments, the customized instructions include an instruction for reading the electronic tag identification number and an instruction for reading the electronic product code.

[0038] Among them, the instruction for reading the electronic tag identification number can be used to read the electronic tag identification number in the storage module 130, and the instruction for reading the electronic product code can be used to read the electronic product code in the storage module 130. In some embodiments, the customized instruction may further include an instruction for reading the user identifier. Among them, the instruction for reading the user identifier is used to read the user identifier in the storage module 130.

[0039] Optionally, the analog module 120 further includes a radio frequency front end, and the radio frequency front end is used to generate the electric energy for activating the operation of the tag chip.

[0040] Among them, the RF front-end is a series of components between the antenna and the RF transceiver, mainly including a power amplifier, a filter, etc. After receiving the electromagnetic wave sent by the reading and writing device, the RF front-end can convert the electromagnetic wave into electrical energy, and the generated electrical energy can be used to activate the tag chip and make the tag chip work.

[0041] Optionally, the digital module 120 further includes an encoding unit and a decoding unit, wherein the encoding unit is used to decode the reading signal, and the decoding unit is used to encode the target tag data.

[0042] Among them, the encoding unit and the decoding unit are located in the digital module 120. The encoding unit can be used to decode the reading signal and transmit the decoded data to the command selection unit; the decoding unit can be used to encode the read target tag data. In the embodiment of the present invention, signal conversion can be realized through the encoding unit and the decoding unit, which is convenient for data processing.

[0043] The embodiment of the present invention provides a tag chip, which includes: an analog module 110, a digital module 120, and a storage module 130. Among them, the analog module 110 includes at least three pins, and the pins include at least two reusable instruction customization pins. The welded instruction customization pins among the at least two instruction customization pins are used to transmit the received reading signal; the analog module 110 is electrically connected to the digital module 120, and the analog module 110 is used to transmit the reading signal to the digital module 120; the digital module 120 is electrically connected to the storage module 130, and the digital module 120 includes a command selection unit. The command selection unit stores the customization instructions corresponding to each instruction customization pin, retrieves the customization instructions based on the pin identification of the welded instruction customization pin, and obtains the target tag data corresponding to the customization instructions in the storage module 130. By selecting the instruction customization pins of the tag chip, and then retrieving the customization instructions corresponding to the instruction customization pins, the corresponding target tag data can be obtained according to the customization instructions, realizing the customized selection of the data reading function of the tag chip and meeting the customized needs of users.

[0044] Embodiment 2

[0045] Figure 2 It is a schematic diagram of a tag chip provided by Embodiment 2 of the present invention. On the basis of the above embodiment, this embodiment provides a preferred example to specifically illustrate the tag chip in the above embodiment. For details, please refer to Figure 2 .

[0046] The tag chip includes 6 pins, and the pins can include 5 PADs and 1 GND. The PAD is a pin located inside the tag chip, and the GND is a grounding pin.

[0047] Further, the tag chip further includes an analog module, and the analog module includes units such as a radio frequency front end, a reset control, a power management, a clock management, and a random number generator.

[0048] Further, the tag chip further includes a digital module, and the digital module includes units such as encoding, decoding, CRC check, a register bank, an internal counter, clkgen, command selection, eedec, and CTRL.

[0049] Among them, clkgen is a clock generator, eedec refers to an encoding and decoding module of EEPROM, and CTRL refers to digital control logic. The function of the command selection unit is to select different customized instruction sets according to the inputs of different pins; PAD1 - PAD5 represent different input pins, and different PADs paired with GND can select different instruction sets, that is, the tag chip will call different customized instruction sets according to different pins.

[0050] Exemplarily, the tag chip can select PAD and GND for welding according to user requirements, retrieve the customized instructions corresponding to the PAD, and then read the data corresponding to the selected PAD based on the customized instructions. For example, for user a who needs to read the electronic tag identification number, PAD1 and GND can be welded to the antenna to achieve reading the electronic tag identification number; for user b who needs to read the electronic tag identification number and the electronic product code, PAD3 and GND can be welded to the antenna to achieve reading the electronic tag identification number and the electronic product code. It should be noted that the above PAD1 is only an example, not only corresponding to reading the electronic tag identification number, and the same applies to PAD3.

[0051] Further, the tag chip may further include a storage module, and the storage module may be an EEPROM memory. The EEPROM memory may store the electronic tag identification number and the electronic product code.

[0052] An embodiment of the present invention provides a tag chip, which includes 6 pins, including 5 PADs and 1 GND. By cooperating different PADs and GNDs to be welded with the antenna, different customized instructions can be retrieved, and then different data can be read to meet the customized requirements of different users.

[0053] Embodiment III

[0054] Figure 3 As shown in the flowchart of a data reading method provided for Embodiment III of the present invention, this embodiment is applicable to the situation of reading different data according to user requirements. This method can be executed by the tag chip provided by the embodiment of the present invention, and the tag chip can be located in an electronic tag. As Figure 3 shown, the method of the embodiment of the present invention specifically includes:

[0055] S310. Receive a read signal sent by a reading and writing device, where the read signal is transmitted through an instruction customization pin.

[0056] Among them, the reading and writing device can send a read signal, and the tag chip in the electronic tag can receive the read signal sent by the reading and writing device. The reading and writing device and the electronic tag can send and receive the read signal in a non-contact manner through radio frequency.

[0057] Specifically, the electronic tag includes a tag chip and an antenna. The antenna can receive the read signal sent by the reading and writing device. The antenna is connected to the tag chip through an instruction customization pin, and the read signal can be transmitted to the tag chip through the instruction customization pin.

[0058] S320. Retrieve a customization instruction based on the pin identifier corresponding to the instruction customization pin.

[0059] Specifically, the digital module of the tag chip can retrieve the customization instruction in the command selection unit according to the pin identifier corresponding to the instruction customization pin. The pin identifier can have a corresponding relationship with the customization instruction, and it can be a one-to-many corresponding relationship, that is, the pin identifier corresponding to the instruction customization pin can correspond to an instruction set.

[0060] S330. Read the target tag data stored in the tag chip corresponding to the customization instruction, and feedback the target tag data to the reading and writing device.

[0061] Specifically, the tag chip includes a storage module, and the target tag data to be read is stored in the storage module. The tag chip can read the corresponding target tag data according to the customization instruction, and feedback the target tag data to the reading and writing device through the antenna to realize the reading of the target tag data.

[0062] Optionally, before receiving the read signal sent by the reading and writing device, the method further includes: receiving a preprocessing signal sent by the reading and writing device; activating the tag chip based on the preprocessing signal to make the tag chip in a standby state.

[0063] Among them, the preprocessing signal can be sent by the reading and writing device, and the preprocessing signal can be an electromagnetic wave.

[0064] It should be noted that the electronic tag in the present invention is a passive RFID tag, which does not contain a battery inside, and its electrical energy can be obtained from the reading and writing device. Exemplarily, when the passive RFID tag approaches the reading and writing device, the antenna of the passive RFID tag converts the received electromagnetic wave energy into electrical energy, activates the tag chip in the RFID tag, and makes the tag chip in the standby state. When the tag chip receives the reading signal sent by the reading and writing device, it reads the data of the tag chip and feeds it back to the reading and writing device; reads the target tag data corresponding to the customized instruction stored in the tag chip, and feeds the target tag data back to the reading and writing device.

[0065] The embodiment of the present invention provides a data reading method, which receives the reading signal sent by the reading and writing device, wherein the reading signal is transmitted through the instruction customization pin, retrieves the customized instruction based on the pin identifier corresponding to the instruction customization pin, reads the target tag data corresponding to the customized instruction stored in the tag chip, and feeds the target tag data back to the reading and writing device. By adopting the above technical solution, the reading signal is transmitted through the instruction customization pin, and the customized instruction is retrieved according to the pin identifier corresponding to the instruction customization pin, so as to realize the selection of the customized instruction and meet the user's requirement for chip instruction customization.

[0066] Embodiment 4

[0067] Figure 4 FIG. 10 is a schematic structural diagram of a data reading device provided in Embodiment 4 of the present invention. The data reading device provided in this embodiment can be implemented by software and / or hardware, and can be configured in a terminal and / or a server to implement the data reading method in the embodiment of the present invention. The device specifically may include: a signal receiving module 410, an instruction retrieving module 420, and a data reading module 430.

[0068] Among them, the signal receiving module 410 is configured to receive the reading signal sent by the reading and writing device, wherein the reading signal is transmitted through the instruction customization pin; the instruction retrieving module 420 is configured to retrieve the customized instruction based on the pin identifier corresponding to the instruction customization pin; the data reading module 430 is configured to read the target tag data corresponding to the customized instruction stored in the tag chip, and feed the target tag data back to the reading and writing device.

[0069] An embodiment of the present invention provides a data reading device. By receiving a reading signal sent by a reading and writing device, wherein the reading signal is transmitted through an instruction customization pin, a customization instruction is retrieved based on the pin identifier corresponding to the instruction customization pin, target tag data corresponding to the customization instruction stored in a tag chip is read, and the target tag data is fed back to the reading and writing device. By adopting the above technical solution, the reading signal is transmitted through the instruction customization pin, and the customization instruction is retrieved according to the pin identifier corresponding to the instruction customization pin, realizing the selection of the customization instruction and meeting the user's requirement for chip instruction customization.

[0070] Based on any optional technical solution in the embodiment of the present invention, optionally, the device further includes:

[0071] A preprocessing signal receiving module, configured to receive a preprocessing signal sent by a reading and writing device;

[0072] A chip activation module, configured to activate the tag chip based on the preprocessing signal, so that the tag chip is in a standby state.

[0073] The data reading device provided by the embodiment of the present invention can execute the data reading method provided by any embodiment of the present invention, and has corresponding functional modules and beneficial effects for executing the method.

[0074] Note that the above is only a preferred embodiment of the present invention and the applied technical principle. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein. Various obvious changes, re-adjustments and substitutions can be made by those skilled in the art without departing from the protection scope of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments. Without departing from the concept of the present invention, more other equivalent embodiments can be included, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. A label chip, characterized in that, it includes: an analog module, a digital module and a storage module, wherein, at least three pins are included on the analog module, and one of the pins is a ground pin and at least two reusable instruction customization pins, and the welded instruction customization pin among the at least two instruction customization pins is used to transmit the received read signal; wherein, the instruction customization pins are connected to the antenna, and different instruction customization pins are paired with the ground pin to achieve different functions; the analog module is electrically connected to the digital module, and the analog module is used to transmit the read signal to the digital module; the digital module is electrically connected to the storage module, and a command selection unit is included in the digital module. Customized instructions corresponding to each instruction customization pin are stored in the command selection unit. The customized instructions are retrieved based on the pin identification of the welded instruction customization pin, and target label data corresponding to the customized instructions is obtained in the storage module.

2. The label chip according to claim 1, characterized in that, the pin further includes a ground pin, the instruction customization pin is electrically connected to the first connection point of the antenna, and the ground pin is electrically connected to the second connection point of the antenna, wherein, the antenna is used to receive the read signal sent by the reading and writing device, and the read signal is transmitted to the label chip through the pin.

3. The label chip according to claim 1, characterized in that, the number of the instruction customization pins is 5, and the command selection unit stores the customized instructions corresponding to each of the instruction customization pins.

4. The label chip according to claim 1, characterized in that, the customized instructions include an instruction for reading the electronic tag identification number and an instruction for reading the electronic product code.

5. The label chip according to claim 1, characterized in that, the analog module further includes a radio frequency front end, and the radio frequency front end is used to generate the electric energy for activating the operation of the label chip.

6. The label chip according to claim 1, characterized in that, the digital module further includes an encoding unit and a decoding unit, wherein, the encoding unit is used to decode the read signal, and the decoding unit is used to encode the target label data.

7. A data reading method, characterized in that, it is applied to the label chip according to any one of claims 1-6. The label chip includes: an analog module, a digital module and a storage module, wherein, at least three pins are included on the analog module, and one of the pins is a ground pin and at least two reusable instruction customization pins, and the welded instruction customization pin among the at least two instruction customization pins is used to transmit the received read signal; wherein, the instruction customization pins are connected to the antenna, and different instruction customization pins are paired with the ground pin to achieve different functions; it includes: receiving the read signal sent by the reading and writing device, wherein, the read signal is transmitted through the instruction customization pin; retrieving the customized instruction based on the pin identification corresponding to the instruction customization pin; reading the target label data corresponding to the customized instruction stored in the label chip, and feeding back the target label data to the reading and writing device.

8. The method according to claim 7, wherein, before receiving the read signal sent by the reading and writing device, the method further includes: receiving a preprocessing signal sent by the reading and writing device; activating the tag chip based on the preprocessing signal so that the tag chip is in a standby state.

9. A data reading device, wherein, comprising: a signal receiving module, configured to receive a read signal sent by a reading and writing device, wherein the read signal is transmitted through an instruction customization pin; the instruction customization pin is connected to an antenna, and the antenna is further connected to a ground pin, and there is one ground pin and at least two instruction customization pins; different instruction customization pins are paired with the ground pin to implement different functions; an instruction retrieval module, configured to retrieve a customized instruction based on a pin identifier corresponding to the instruction customization pin; a data reading module, configured to read target tag data corresponding to the customized instruction stored in the tag chip and feedback the target tag data to the reading and writing device.

10. The device according to claim 9, wherein, the device further includes: a preprocessing signal receiving module, configured to receive a preprocessing signal sent by a reading and writing device; a chip activation module, configured to activate the tag chip based on the preprocessing signal so that the tag chip is in a standby state.

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