Microchip supporting high-frequency and ultrahigh-frequency RFID

Abstract

The invention discloses a microchip supporting high-frequency and ultrahigh-frequency RFID, which comprises an RFID microchip main body, the RFID microchip main body is electrically connected with a control main body, and the control main body is electrically connected with a radio frequency interface processing unit, a digital unit, an ISO card and a power supply detection unit. According to the microchip supporting the high-frequency and ultrahigh-frequency RFID, the read-write unit can be protected through the arranged protection module, communication protection between a card and a reader-writer can be carried out through an algorithm with poor secrecy when data read-write work is carried out, so that the microchip has high secrecy performance, and the service life of the card is prolonged. According to the invention, data transmission can be carried out more quickly, data integrity can be ensured and anti-collision mechanism protection including CRC error correction, parity check of each section of word and check of bits can be carried out on the data through the CRC error correction module, the bit check module and the channel monitoring module, and channel monitoring and analysis work can be carried out through a protocol sequence and a bit stream.

Description

Technical Field

[0001] The present invention relates to the field of RFID chips, and particularly to a microchip supporting high-frequency and ultra-high-frequency RFID. Background Art

[0002] Radio Frequency Identification (RFID) is an abbreviation for RadioFrequencyIdentification. Its principle is non-contact data communication between a reader and a tag to achieve the purpose of identifying a target. The applications of RFID are very extensive. Currently, typical applications include animal chips, automobile chip anti-theft devices, access control, parking lot control, production line automation, and material management.

[0003] When the microchip of RFID is performing data transmission work, it lacks a good data confidentiality module, resulting in the phenomenon that data may be lost or missing during the data transmission process. Therefore, it lacks good protection, resulting in the confidentiality and transfer of data being affected. Moreover, during the data transmission process, the integrity of the data cannot be detected, resulting in the inability to read and write data well between cards.

[0004] Therefore, it is very necessary to propose a microchip supporting high-frequency and ultra-high-frequency RFID to solve the above problems. Summary of the Invention

[0005] The main object of the present invention is to provide a microchip supporting high-frequency and ultra-high-frequency RFID, which can effectively solve the problems in the background art.

[0006] To achieve the above object, the technical solution adopted by the present invention is as follows:

[0007] A microchip supporting high-frequency and ultra-high-frequency RFID includes an RFID microchip main body. The RFID microchip main body is electrically connected to a control main body, and the control main body is electrically connected to a radio frequency interface processing unit, a digital unit, an ISO card, and a power detection unit.

[0008] Preferably, the output end of the RFID microchip main body is electrically connected to the input end of the control main body, and the output end of the control main body is electrically connected to the input ends of the radio frequency interface processing unit, the digital unit, the ISO card, and the power detection unit.

[0009] Preferably, the radio frequency interface processing unit includes a rectifier, a voltage regulator, and a power-on reset module. The output end of the radio frequency interface processing unit is electrically connected to the input ends of the rectifier, the voltage regulator, and the power-on reset module.

[0010] Preferably, the digital unit includes a communication processing module, a card selection module, an authentication module, a processing unit, a structure temporary storage unit, an encryption module, and a storage unit. The output end of the digital unit is electrically connected to the input ends of the communication processing module, the card selection module, the authentication module, the processing unit, the structure temporary storage unit, the encryption module, and the storage unit.

[0011] Preferably, the storage unit includes a sector control module and a password setting module. The output end of the storage unit is electrically connected to the input ends of the sector control module and the password setting module. The output end of the sector control module is electrically connected to the input end of the password setting module. The output end of the password setting module is electrically connected to the input end of the access selection module.

[0012] Preferably, the sector control module includes a verification code storage module, a serial number storage module, a capacity byte display module, a custom module, and an RFID category module. The output end of the sector control module is electrically connected to the input ends of the verification code storage module, the serial number storage module, the capacity byte display module, the custom module, and the RFID category module.

[0013] Preferably, the output end of the ISO card is electrically connected to the input end of the protection module. The output end of the protection module is electrically connected to the input end of the reading and writing unit. The input end of the reading and writing unit is electrically connected to the input ends of the structure temporary storage unit and the communication processing module.

[0014] Preferably, the protection module includes a CRC error correction module, a bit number check module, a channel monitoring module, and a channel password authentication module. The output end of the protection module is electrically connected to the input ends of the CRC error correction module, the bit number check module, the channel monitoring module, and the channel password authentication module.

[0015] Beneficial effects

[0016] Compared with the prior art, the present invention provides a microchip supporting high-frequency and ultra-high-frequency RFID, having the following beneficial effects:

[0017] 1. For the microchip supporting high-frequency and ultra-high-frequency RFID, through the provided protection module, it can protect the reading and writing unit. When performing data reading and writing operations, it can carry out communication protection between the card and the reader-writer through a relatively poor secrecy algorithm, making it have a high secrecy performance. At the same time, it can also transfer data faster. Through the provided CRC error correction module, bit number check module, and channel monitoring module, it can ensure the integrity of the data and protect its anti-collision mechanism, including CRC error correction, checking the odd-even parity and bit number of each section of the word, and being able to perform channel monitoring and analysis work through the protocol sequence and bit stream.

[0018] 2. The microchip supporting high-frequency and ultra-high-frequency RFID can encrypt the data during communication through the set channel password authentication module, thereby preventing signal interception. At the same time, it can set a separate password for each sector. Through the set radio frequency interface processing unit, which includes a rectifier, a voltage regulator, and a power-on reset module, it can provide the energy required for the operation of each part of the RFID chip's internal circuit, can provide a POR signal to synchronously start the operation of each part of the circuit, can extract the clock signal required for the normal operation of the circuit from the carrier wave, can demodulate the instructions and data on the carrier wave for digital module processing, and can modulate the data to be sent.

[0019] 3. The microchip supporting high-frequency and ultra-high-frequency RFID can prevent card overlap through the set digital module. The reader can communicate with all cards, thereby obtaining the serial number of each card, selecting and confirming it, and enabling mutual authentication between the card and the reader, which is convenient for subsequent operations.

[0020] 4. The microchip supporting high-frequency and ultra-high-frequency RFID can include multiple sectors through the set sector control module. It can be divided into a verification code storage module, a serial number storage module, a capacity byte display module, a custom module, and an RFID category module according to usage requirements. At the same time, it can set passwords for them, can perform subsequent storage and retrieval operations, and the corresponding data can be stored in the corresponding sectors. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is a system diagram of the main body of the RFID microchip of the present invention;

[0022] Figure 2 is a system diagram of the radio frequency interface processing unit of the present invention;

[0023] Figure 3 is a system diagram of the digital unit of the present invention;

[0024] Figure 4 is a system diagram of the storage unit of the present invention;

[0025] Figure 5 is a system diagram of the protection module of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0026] To make the technical means, creative features, achieved purposes, and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0027] Such as Figures 1-5As shown in the figure, a microchip supporting high-frequency and ultra-high-frequency RFID includes an RFID microchip main body. The RFID microchip main body is electrically connected to a control main body. The control main body is electrically connected to a radio frequency interface processing unit, a digital unit, an ISO card, and a power detection unit. The output end of the RFID microchip main body is electrically connected to the input end of the control main body. The output end of the control main body is electrically connected to the input ends of the radio frequency interface processing unit, the digital unit, the ISO card, and the power detection unit. The radio frequency interface processing unit includes a rectifier, a voltage regulator, and a power-on reset module. The output end of the radio frequency interface processing unit is electrically connected to the input ends of the rectifier, the voltage regulator, and the power-on reset module. The digital unit includes a communication processing module, a card selection module, an authentication module, a processing unit, a structure temporary storage unit, an encryption module, and a storage unit. The output end of the digital unit is electrically connected to the input ends of the communication processing module, the card selection module, the authentication module, the processing unit, the structure temporary storage unit, the encryption module, and the storage unit. The storage unit includes a sector control module and a password setting module. The output end of the storage unit is electrically connected to the input ends of the sector control module and the password setting module. The output end of the sector control module is electrically connected to the input end of the password setting module. The output end of the password setting module is electrically connected to the input end of the access selection module. The sector control module includes a verification code storage module, a serial number storage module, a capacity byte display module, a custom module, and an RFID category module. The output end of the sector control module is electrically connected to the input ends of the verification code storage module, the serial number storage module, the capacity byte display module, the custom module, and the RFID category module. The output end of the ISO card is electrically connected to the input end of the protection module. The output end of the protection module is electrically connected to the input end of the reading and writing unit. The input end of the reading and writing unit is electrically connected to the input ends of the structure temporary storage unit and the communication processing module. The protection module includes a CRC error correction module, a bit check module, a channel monitoring module, and a channel password authentication module. The output end of the protection module is electrically connected to the input ends of the CRC error correction module, the bit check module, the channel monitoring module, and the channel password authentication module.

[0028] Through the provided protection module, it can protect the reading and writing unit. When performing data reading and writing operations, it can use a relatively poor encryption algorithm to protect the communication between the card and the reader / writer, making it have a high level of confidentiality. At the same time, it can also transfer data faster. Through the provided CRC error correction module, bit number checking module, and channel monitoring module, it can ensure the integrity of the data and protect it with an anti-collision mechanism, including CRC error correction, checking the odd / even parity of each byte and the number of bits, and being able to monitor and analyze the channel through the protocol sequence and bit stream. Through the provided channel password authentication module, it can encrypt the data during the communication process, thereby preventing the signal from being intercepted. At the same time, it can set a separate password for each sector. Through the provided radio frequency interface processing unit, which includes a rectifier, voltage regulator, and power-on reset module, it can provide the energy required for the operation of each part of the RFID chip circuit, can provide a POR signal to enable each part of the circuit to start working synchronously, can extract the clock signal required for the normal operation of the circuit from the carrier wave, can demodulate the instructions and data on the carrier wave for digital module processing, and can modulate the data to be transmitted. Through the provided digital module, it can prevent card overlapping, and the reader / writer can communicate with all cards, thereby obtaining the serial number of each card, selecting and confirming it, and enabling mutual authentication between the card and the reader / writer, facilitating subsequent further operations. Through the provided sector control module, it can include multiple sectors, which can be divided into a verification code storage module, serial number storage module, capacity byte display module, custom module, and RFID category module according to usage requirements. At the same time, it can set passwords for them and perform subsequent storage and retrieval operations, and the corresponding data can be stored in the corresponding sectors.

[0029] It should be noted that the present invention is a microchip supporting high-frequency and ultra-high-frequency RFID. When in use, the power detection unit 6 will detect and process the output power of the RFID microchip main body 1, including its power supply, voltage, and resistance conditions. When in use, it can classify and set passwords according to the sectors of the RFID microchip main body 1, including verification codes, serial numbers, capacity bytes, RFID categories, and customizations. During subsequent reading operations, the data can be stored in the corresponding sectors. When performing data reading and writing operations, protection will be carried out through the protection module 25, including data error correction, bit number checking, channel monitoring, and channel password authentication, thereby improving the security of data reading and writing.

[0030] The foregoing has shown and described the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification is only to illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have various changes and improvements, and these changes and improvements fall within the scope of the present invention claimed. The scope of the present invention claimed is defined by the appended claims and their equivalents.

Claims

1. A microchip supporting high frequency and ultra-high frequency RFID, comprising an RFID microchip body, characterized in that: The RFID microchip body is electrically connected to a control body, and the control body is electrically connected to a radio frequency interface processing unit, a digital unit, an ISO card and a power supply detection unit.

2. A microchip supporting high frequency and ultra-high frequency RFID according to claim 1, characterized in that: The output end of the RFID microchip body is electrically connected to the input end of the control body, and the output end of the control body is electrically connected to the input ends of the radio frequency interface processing unit, the digital unit, the ISO card and the power detection unit.

3. The microchip supporting high frequency and ultra-high frequency RFID according to claim 1, characterized in that: The radio frequency interface processing unit comprises a rectifier, a voltage regulator and a power-on reset module, and the output end of the radio frequency interface processing unit is electrically connected to the input ends of the rectifier, the voltage regulator and the power-on reset module.

4. The microchip supporting high frequency and ultra-high frequency RFID according to claim 1, characterized in that: The digital unit includes a communication processing module, a card selection module, an authentication module, a processing unit, a structure temporary storage unit, an encryption module and a storage unit, and the output end of the digital unit is electrically connected to the input end of the communication processing module, the card selection module, the authentication module, the processing unit, the structure temporary storage unit, the encryption module and the storage unit.

5. The microchip supporting high frequency and ultra-high frequency RFID according to claim 1, characterized in that: The storage unit includes a sector control module and a password setting module, the output end of the storage unit is electrically connected to the input end of the sector control module and the password setting module, the output end of the sector control module is electrically connected to the input end of the password setting module, and the output end of the password setting module is electrically connected to the input end of the access selection module.

6. The microchip supporting high frequency and ultra-high frequency RFID according to claim 5, characterized in that: The sector control module includes a verification code storage module, a serial number storage module, a capacity byte display module, a custom module and an RFID category module, and the output end of the sector control module is electrically connected to the input end of the verification code storage module, the serial number storage module, the capacity byte display module, the custom module and the RFID category module.

7. A microchip supporting high frequency and ultra-high frequency RFID according to claim 4, characterized in that: The output end of the ISO card is electrically connected to the input end of the protection module, the output end of the protection module is electrically connected to the input end of the read-write unit, and the input end of the read-write unit is electrically connected to the input end of the structure temporary storage unit and the communication processing module.

8. The microchip supporting high frequency and ultra-high frequency RFID according to claim 7, characterized in that: The protection module includes a CRC error correction module, a bit number check module, a channel monitoring module and a channel password authentication module, and the output end of the protection module is electrically connected to the input end of the CRC error correction module, the bit number check module, the channel monitoring module and the channel password authentication module.

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