CN218679073U - RFID communication system - Google Patents

RFID communication system Download PDF

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Publication number
CN218679073U
CN218679073U CN202223183907.5U CN202223183907U CN218679073U CN 218679073 U CN218679073 U CN 218679073U CN 202223183907 U CN202223183907 U CN 202223183907U CN 218679073 U CN218679073 U CN 218679073U
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signal
module
clock
control
gating
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CN202223183907.5U
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周翔龙
李慧
柴寅凯
仵东
王志鹏
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Ziguang Tongxin Microelectronics Co Ltd
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Ziguang Tongxin Microelectronics Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

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Abstract

The utility model discloses a RFID communication system. The system comprises a central control module, a control module and a display module, wherein the central control module is used for sending a configuration instruction to the control module; the control module is used for receiving the configuration instruction, determining a working mode according to the configuration instruction, determining a first signal according to the working mode, and sending the first signal to the clock gating module; the clock gating module is used for receiving the first signal, determining a target clock according to the first signal, generating a first control signal according to the target clock, and sending the first control signal to the FLASH storage module and/or the voltage adjustment module; the FLASH storage module is used for receiving a first control signal and entering a low power consumption mode according to the first control signal; the voltage adjusting module is used for receiving a first control signal and entering a low power consumption mode according to the first control signal. Thus, power consumption of the RFID communication system is reduced.

Description

RFID communication system
Technical Field
The utility model relates to a RFID communication technology field especially relates to a RFID communication system.
Background
With the development of scientific technology, a Radio Frequency Identification System (RFID) can be applied to various scenes and fields such as logistics control, portable data acquisition, tag positioning and the like.
The RFID chip has the main functions of completing identification and authentication with the main device, but the power consumption of a circuit required during identification and authentication is higher, meanwhile, the power is required to be supplied by a battery under the condition of inconvenient power supply in many occasions, and the power consumption control is an essential component in system design, so that the RFID communication system in the prior art has the problems of unnecessary energy loss and high power consumption.
SUMMERY OF THE UTILITY MODEL
Based on the above problem, the utility model provides a RFID communication system to reduce system's consumption.
The embodiment of the utility model discloses following technical scheme:
the utility model provides a RFID communication system, the system includes: the device comprises a central control module, a clock gating module, a FLASH storage module and a voltage adjusting module;
the central control module is used for sending a configuration instruction to the control module;
the control module is used for receiving the configuration instruction; and is used for determining the working mode according to the configuration instruction; and is used for determining a first signal according to the working mode; and is used for sending the first signal to the clock gating module;
the clock gating module is used for receiving the first signal; and is used for determining a target clock according to the first signal; and is used for generating a first control signal according to the target clock; the voltage adjusting module is used for sending the first control signal to the FLASH storage module and/or the voltage adjusting module;
the FLASH storage module is used for receiving the first control signal; and is used for entering a low power consumption mode according to the first control signal;
the voltage adjusting module is used for receiving the first control signal; and is used for entering a low power consumption mode according to the first control signal;
the central control module is in communication connection with the control module; the control module is respectively in communication connection with the central control module, the clock gating module, the FLASH storage module and the voltage adjusting module.
Optionally, the clock gating module includes: the clock source module and the clock management module;
the clock source module is used for providing a clock signal to the clock management module;
the clock management module is used for receiving the clock signal; and for receiving said first signal; and for determining a gating signal from the clock signal and the first signal; and is used for generating a first control signal according to the gating signal;
and the clock source module is in communication connection with the clock management module.
Optionally, the clock management module includes: the system comprises an RFID clock, a system logic clock, a central control clock and an authentication algorithm clock;
the RFID clock is used for receiving the gating signal; and is used for generating a first control sub-signal according to the gating signal;
the system logic clock is used for receiving the gating signal; and is used for generating a second control sub-signal according to the gating signal;
the central control clock is used for receiving the gating signal; and for generating a third control sub-signal in dependence on the gate control signal;
the authentication algorithm clock is used for receiving the gating signal; and is used for generating a fourth control sub-signal according to the gating signal;
wherein the first control signal comprises a first control sub-signal and/or a second control sub-signal and/or a third control sub-signal and/or a fourth control sub-signal.
Optionally, when the operating mode is an initial mode or a communication mode, the first control signal includes a third control sub-signal and a fourth control sub-signal.
Optionally, when the operating mode is a Flash erase mode, the first control signal includes a third control sub-signal.
Optionally, when the operating mode is an authentication mode, the first control signal includes a third control signal and a fourth control signal.
Optionally, when the operating mode is a power-down mode, the central control module is further configured to issue a power-down instruction and turn off a power supply.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a RFID communication system, which comprises a central control module used for sending configuration instructions to a control module; the control module is used for receiving the configuration instruction, determining a working mode according to the configuration instruction, determining a first signal according to the working mode, and sending the first signal to the clock gating module; the clock gating module is used for receiving the first signal, determining a target clock according to the first signal, generating a first control signal according to the target clock, and sending the first control signal to the FLASH storage module and/or the voltage adjusting module; the FLASH storage module is used for receiving the first control signal and entering a low power consumption mode according to the first control signal; and the voltage adjusting module is used for receiving the first control signal and entering a low power consumption mode according to the first control signal. According to the working states of different modules in different working modes, a first control signal is generated through a clock gating module, and the FLASH storage module and/or the voltage adjusting module are controlled to enter a low power consumption mode through the first control signal, so that the power consumption of the RFID communication system is reduced.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an RFID communication system according to the present invention;
fig. 2 is a schematic structural diagram of a clock gating module in an RFID communication system according to the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood, the technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As described above, the main function of the RFID chip is to complete identification and authentication with a host device, but the power consumption of the circuit required for identification and authentication is relatively high, and meanwhile, for many occasions where power supply is inconvenient, a battery is required to supply power, and power consumption control is an essential component in system design, so that the RFID communication system in the prior art has the problems of unnecessary energy loss and high power consumption.
Based on the above problem, the utility model provides a RFID communication system. Various non-limiting embodiments of the present application are described in detail below with reference to the examples and the figures, respectively.
Fig. 1 is a schematic structural diagram of an RFID communication system provided by the present invention.
Referring to fig. 1, the present invention provides an RFID communication system 10, which may include: a central control module 11, a control module 12, a clock gating module 13, a FLASH storage module 14 and a voltage adjusting module 15;
the central control module 11 is configured to send a configuration instruction to the control module.
The configuration instruction means an instruction which is sent by software to the central control module to control the configuration command and forward the command to the control module via the central control module.
The control module 12 is configured to receive the configuration instruction; and is used for determining the working mode according to the configuration instruction; and for determining a first signal in dependence on said operating mode; and is configured to send the first signal to the clock gating module.
In an implementation, the control module 12 may also receive various signals generated by hardware, which are not specifically illustrated or limited herein.
In an implementation, the control module 12 may determine the current working scenario (which may also be the working mode) through the received configuration command and the signal sent by the hardware.
The first signal means a signal including a current operation mode, and is subsequently used by the clock gating module 13 to determine a target clock corresponding to the current operation mode.
The clock gating module 13 is configured to receive the first signal; and is used for determining a target clock according to the first signal; and is used for generating a first control signal according to the target clock; and is used for sending the first control signal to the FLASH storage module and/or the voltage adjustment module.
The FLASH memory module 14 is configured to receive the first control signal; and is used for entering a low power consumption mode according to the first control signal.
Among them, FLASH (FLASH EEPROM Memory) is one of the Memory chips, and the data in it can be modified by a specific program. FLASH generally means FLASH Memory in the field of electronics and semiconductors, and is usually referred to as "FLASH Memory".
The voltage adjusting module 15 is configured to receive the first control signal; and is used for entering a low power consumption mode according to the first control signal.
The Voltage adjusting module may include a Voltage Regulator (VR). The voltage regulator can be composed of a voltage regulating circuit, a control circuit, a servo motor and the like. When the input voltage or the load changes, the control circuit performs sampling, comparison and amplification, then drives the servo motor to rotate, so that the position of the carbon brush of the voltage regulator is changed, and the stability of the output voltage is kept by automatically adjusting the turn ratio of the coil.
The central control module 11 is in communication connection with the control module 12; the control module 12 is in communication connection with the central control module 11, the clock gating module 13, the FLASH memory module 14 and the voltage adjusting module 15 respectively.
The first control signal sent by the clock gating module 13 is forwarded to the FLASH memory module 14 and the voltage adjusting module 15 by the control module 12, so as to control the FLASH memory module 14 and the voltage adjusting module 15.
An embodiment of the utility model provides a RFID communication system includes: the central control module is used for sending a configuration instruction to the control module; the control module is used for receiving the configuration instruction, determining a working mode according to the configuration instruction, determining a first signal according to the working mode, and sending the first signal to the clock gating module; the clock gating module is used for receiving the first signal, determining a target clock according to the first signal, generating a first control signal according to the target clock, and sending the first control signal to the FLASH storage module and/or the voltage adjusting module; the FLASH storage module is used for receiving the first control signal and entering a low power consumption mode according to the first control signal; and the voltage adjusting module is used for receiving the first control signal and entering a low power consumption mode according to the first control signal. According to the working states of different modules in different working modes, a first control signal is generated through a clock gating module, and the FLASH storage module and/or the voltage adjusting module are controlled to enter a low power consumption mode through the first control signal, so that the power consumption of the RFID communication system is reduced.
Based on the RFID communication system that above-mentioned embodiment provided, the utility model discloses an embodiment still provides the clock gating module among the RFID communication system, refers to fig. 2, and this picture does the utility model provides a pair of clock gating module's among the RFID communication system structural schematic diagram combines fig. 2 to show, the utility model provides a clock gating module 20 among the RFID communication system can include: a clock source module 21 and a clock management module 22;
the clock source module 21 is configured to provide a clock signal to the clock management module.
Wherein, in the embodiment of the utility model, only one clock source is provided, the chip area can be reduced, and the power consumption can be reduced.
The clock management module 22 is configured to receive the clock signal; and for receiving said first signal; and for determining a gating signal from said clock signal and said first signal; and is used for generating a first control signal according to the gating signal;
wherein, the clock source module 11 is connected to the clock management module 22 in communication.
As an implementable embodiment, the clock management module 22 includes: an RFID clock 221, a system logic clock 222, a central control clock 223 and an authentication algorithm clock 224;
the RFID clock 221 is configured to receive the gating signal; and is arranged to generate a first control sub-signal in dependence on the gating signal.
The RFID clock can be used for an RFID transceiver module, and the RFID transceiver module is used for receiving and transmitting data.
The system logic clock 222, configured to receive the gating signal; and for generating a second control sub-signal in dependence on the gating signal.
Wherein, the system logic clock can be used for other digitally controlled logics of the system to work.
The logic means control circuit input and output, control circuit sleep and wake up, control circuit entering and exiting low power consumption mode, control circuit reset, control circuit in and out test mode, and the like.
The central control clock 223 is used for receiving the gating signal; and for generating a third control sub-signal in dependence on the gating signal.
The central control clock can be used as a clock for the central control unit to work, and during data transmission and reception, the power consumption of the related circuits can be reduced through the central control clock.
The authentication algorithm clock 224, configured to receive the gating signal; and for generating a fourth control sub-signal in dependence on the gating signal.
Wherein the authentication algorithm clock is a clock in which a hardware circuit for the authentication algorithm operates.
Wherein the first control signal comprises a first control sub-signal and/or a second control sub-signal and/or a third control sub-signal and/or a fourth control sub-signal.
Taking a communication transceiving scene as an example:
if the communication module is in the communication mode, the flash, the voltage adjusting module, the algorithm clock and the central control clock need to be closed, so that the modules and the clocks are divided into a class, and then the on-off control is carried out through a control signal. If the clock is in the Flash erasing mode, the central control clock and the algorithm clock are divided into a class, and the on-off control is carried out through a control signal.
As an example, when the operation mode is an initial mode or a communication mode, the first control signal includes a third control sub-signal and a fourth control sub-signal.
As an example, when the operation mode is a Flash erase/write mode, the first control signal includes a third control sub-signal.
As an example, when the operation mode is an authentication mode, the first control signal includes a third control signal and a fourth control signal.
As an example, when the operating mode is a power-down mode, the central control module is further configured to issue a power-down command and turn off the power supply.
As an implementation manner, for example, the process of entering the low power consumption mode may be: firstly selecting a low-power-consumption control signal sent by a system control module, preempting an internal bus of a circuit, generating a feedback signal after a central control unit loses the control right of the bus, confirming that the Flash memory module can enter a low-power-consumption mode at the moment, then generating a first control signal to control the Flash memory module to enter the low-power-consumption mode, controlling an idle clock closed by a clock management module, and controlling a voltage adjustment module to enter the low-power-consumption mode.
As an implementation manner, for example, the process of exiting the low power consumption mode may be: firstly, sending a first control signal to wake up the voltage adjusting module, waking up the Flash storage module after the voltage adjusting module is stable, and finally, opening the clock management module to complete the whole low-power-consumption wake-up process.
The embodiment of the utility model provides a clock gating module among the RFID communication system, through the clock tree design to the circuit and to each accurate categorizing of module to reach and can realize the control of low-power consumption through a small amount of control signal under different scenes, and through the mode that hardware circuit automatic control and embedded software control combined together, make the flexibility of low-power consumption control scheme better.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (7)

1. An RFID communication system, the system comprising: the device comprises a central control module, a clock gating module, a FLASH storage module and a voltage adjusting module;
the central control module is used for sending a configuration instruction to the control module;
the control module is used for receiving the configuration instruction; and is used for determining the working mode according to the configuration instruction; and is used for determining a first signal according to the working mode; and is used for sending the first signal to the clock gating module;
the clock gating module is used for receiving the first signal; and is used for determining a target clock according to the first signal; and is used for generating a first control signal according to the target clock; the first control signal is sent to the FLASH storage module and/or the voltage adjusting module;
the FLASH storage module is used for receiving the first control signal; and is used for entering a low power consumption mode according to the first control signal;
the voltage adjusting module is used for receiving the first control signal; and is used for entering a low power consumption mode according to the first control signal;
the central control module is in communication connection with the control module; the control module is respectively in communication connection with the central control module, the clock gating module, the FLASH storage module and the voltage adjusting module.
2. The RFID communication system of claim 1, wherein the clock gating module comprises: the clock source module and the clock management module;
the clock source module is used for providing a clock signal to the clock management module;
the clock management module is used for receiving the clock signal; and for receiving said first signal; and for determining a gating signal from the clock signal and the first signal; and is used for generating a first control signal according to the gating signal;
and the clock source module is in communication connection with the clock management module.
3. The RFID communication system of claim 2, wherein the clock management module comprises: the system comprises an RFID clock, a system logic clock, a central control clock and an authentication algorithm clock;
the RFID clock is used for receiving the gating signal; and is used for generating a first control sub-signal according to the gating signal;
the system logic clock is used for receiving the gating signal; and is used for generating a second control sub-signal according to the gating signal;
the central control clock is used for receiving the gating signal; and for generating a third control sub-signal in dependence on the gate control signal;
the authentication algorithm clock is used for receiving the gating signal; and is used for generating a fourth control sub-signal according to the gating signal;
wherein the first control signal comprises a first control sub-signal and/or a second control sub-signal and/or a third control sub-signal and/or a fourth control sub-signal.
4. The RFID communication system of claim 3, wherein the first control signal comprises a third control sub-signal and a fourth control sub-signal when the operation mode is an initial mode or a communication mode.
5. The RFID communication system according to claim 3, wherein the first control signal comprises a third control sub-signal when the operation mode is a Flash erase mode.
6. The RFID communication system of claim 3, wherein the first control signal comprises a third control signal and a fourth control signal when the operating mode is an authentication mode.
7. The RFID communication system according to claim 1, wherein when the operation mode is a power-down mode, the central control module is further configured to issue a power-down command and turn off a power supply.
CN202223183907.5U 2022-11-28 2022-11-28 RFID communication system Active CN218679073U (en)

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CN202223183907.5U CN218679073U (en) 2022-11-28 2022-11-28 RFID communication system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223183907.5U CN218679073U (en) 2022-11-28 2022-11-28 RFID communication system

Publications (1)

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CN218679073U true CN218679073U (en) 2023-03-21

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