Multi-path UART signal conversion circuit and storage chip particle characteristic analysis circuit

Abstract

The utility model provides a multipath UART (Universal Asynchronous Receiver / Transmitter) signal conversion circuit and a storage chip particle characteristic analysis circuit. The multipath UART signal conversion circuit comprises a singlechip and an SPI (Serial Peripheral Interface) four-channel asynchronous transceiver which are connected in sequence, the SPI interface four-channel asynchronous transceiver is connected with UART (Universal Asynchronous Receiver / Transmitter) signal interfaces of a plurality of external storage chip particle modules; the single chip microcomputer is used for providing SPI signals for the SPI interface four-channel asynchronous transceiver; and the SPI interface four-channel asynchronous transceiver is used for communicating with the UART signal interface of the storage chip particle module according to the SPI signal so as to receive the UART signal sent by the UART signal interface. According to the technology, after an SPI serial port of a single chip microcomputer is connected with an SPI interface four-channel asynchronous transceiver, the SPI interface four-channel asynchronous transceiver is connected with UART (Universal Asynchronous Receiver / Transmitter) signal interfaces of a plurality of external storage chip particle modules, so that a communication channel is provided for the storage chip particle modules.

Description

Technical Field

[0001] The utility model relates to the technical field of analyzing the characteristics of storage chip particles, in particular to a multi-channel UART signal conversion circuit and a storage chip particle characteristic analysis circuit. Background Art

[0002] The quality grades of memory chip particles vary greatly, and in-depth medium property analysis of the particles is required to fully understand the particle characteristics.

[0003] At present, in order to improve the efficiency of characteristic analysis, multiple single-chip microcomputers are required to independently control the particle modules in real time, including temperature adjustment, temperature reading, etc., which leads to excessively high analysis costs. Utility Model Content

[0004] The utility model aims to provide a multi-channel UART signal conversion circuit and a memory chip particle characteristic analysis circuit to reduce the analysis cost of the memory chip particle characteristics.

[0005] In the first aspect, an embodiment of the utility model provides a multi-channel UART signal conversion circuit, comprising: a single-chip microcomputer and an SPI interface four-channel asynchronous transceiver connected in sequence; the above-mentioned SPI interface four-channel asynchronous transceiver is connected to the UART signal interface of a plurality of peripheral storage chip particle modules; the above-mentioned single-chip microcomputer is used to provide an SPI signal to the above-mentioned SPI interface four-channel asynchronous transceiver; the above-mentioned SPI interface four-channel asynchronous transceiver is used to communicate with the UART signal interface of the above-mentioned storage chip particle module according to the above-mentioned SPI signal, so as to receive the UART signal sent by the above-mentioned UART signal interface.

[0006] In a preferred implementation manner of the utility model embodiment, the number of the above-mentioned SPI interface four-channel asynchronous receiver and transceiver is multiple; the chip select pin of each of the above-mentioned SPI interface four-channel asynchronous receiver and transceiver is connected to the above-mentioned single-chip microcomputer; the above-mentioned single-chip microcomputer is used to send a chip select enable signal to the target SPI interface four-channel asynchronous receiver and transceiver among the multiple above-mentioned SPI interface four-channel asynchronous receiver and transceivers; after receiving the above-mentioned chip select enable signal, the above-mentioned target SPI interface four-channel asynchronous receiver and transceiver communicates with the UART signal interface of the corresponding storage chip particle module according to the above-mentioned SPI signal.

[0007] In a preferred implementation of the embodiment of the utility model, the above-mentioned multi-channel UART signal conversion circuit also includes a power supply connected to the above-mentioned SPI interface four-channel asynchronous receiver and transmitter; the above-mentioned power supply is used to provide an operating voltage for the above-mentioned SPI interface four-channel asynchronous receiver and transmitter.

[0008] In a preferred implementation manner of the utility model embodiment, the above-mentioned power supply is connected to the interrupt request pin of the above-mentioned SPI interface four-channel asynchronous receiver and transmitter through a first pull-up resistor; the above-mentioned SPI interface four-channel asynchronous receiver and transmitter is used to determine whether the above-mentioned UART signal is abnormal; if so, the above-mentioned interrupt request pin is controlled to output a low level, and the above-mentioned low level is transmitted to the above-mentioned single-chip microcomputer.

[0009] In a preferred implementation manner of the utility model embodiment, the above-mentioned power supply is connected to the reset pin of the above-mentioned SPI interface four-channel asynchronous receiver and transceiver through a second pull-up resistor; after the above-mentioned single-chip microcomputer is powered on, it outputs a low level to the above-mentioned reset pin to reset the above-mentioned SPI interface four-channel asynchronous receiver and transceiver.

[0010] In a preferred implementation of the utility model embodiment, the above-mentioned multi-channel UART signal conversion circuit also includes a passive crystal oscillator connected to the above-mentioned SPI interface four-channel asynchronous transceiver; the above-mentioned passive crystal oscillator is used to provide a working clock for the above-mentioned SPI interface four-channel asynchronous transceiver.

[0011] In a preferred implementation manner of the embodiment of the utility model, the passive crystal oscillator is connected to the ground.

[0012] In a preferred implementation of the embodiment of the utility model, the number of the above-mentioned SPI interface four-channel asynchronous receivers and transmitters is 4; the number of the above-mentioned UART signal interfaces of the storage chip particle module is 16.

[0013] In a preferred implementation manner of the embodiment of the utility model, the above-mentioned single-chip microcomputer is connected to the SPI interface four-channel asynchronous receiver and transmitter via an SPI interface.

[0014] In the second aspect, an embodiment of the utility model also provides a storage chip particle characteristic analysis circuit, comprising: the above-mentioned multi-channel UART signal conversion circuit, and also comprising a storage chip particle module connected to the above-mentioned multi-channel UART signal conversion circuit through a UART signal interface; the above-mentioned multi-channel UART signal conversion circuit is used to receive the UART signal of the above-mentioned storage chip particle module sent by the above-mentioned UART signal interface, and analyze the above-mentioned UART signal to obtain the operating characteristic signal of the above-mentioned storage chip particle module.

[0015] The embodiments of the present invention have the following beneficial technical effects:

[0016] The utility model embodiment provides a multi-channel UART signal conversion circuit and a storage chip particle characteristic analysis circuit, including: a single-chip microcomputer and a SPI interface four-channel asynchronous transceiver connected in sequence; the above-mentioned SPI interface four-channel asynchronous transceiver is connected to the UART signal interface of multiple peripheral storage chip particle modules; the above-mentioned single-chip microcomputer is used to provide SPI signals to the above-mentioned SPI interface four-channel asynchronous transceiver; the above-mentioned SPI interface four-channel asynchronous transceiver is used to communicate with the UART signal interface of the above-mentioned storage chip particle module according to the above-mentioned SPI signal to receive the UART signal sent by the above-mentioned UART signal interface. This technology can be connected to the UART signal interface of the storage chip particle module through an SPI serial port of the single-chip microcomputer and the SPI interface four-channel asynchronous transceiver, so as to provide a communication channel for the storage chip particle module.

[0017] Other features and advantages disclosed in this embodiment will be described in the subsequent description, or some features and advantages can be inferred or determined without doubt from the description, or can be learned by implementing the above-mentioned technology of the present disclosure.

[0018] In order to make the above-mentioned objectives, features and advantages of the present disclosure more obvious and easy to understand, preferred embodiments are specifically cited below and described in detail with reference to the attached drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 A schematic diagram of the structure of a multi-channel UART signal conversion circuit provided by an embodiment of the utility model;

[0021] Figure 2 A schematic diagram of the structure of another multi-channel UART signal conversion circuit provided by an embodiment of the utility model;

[0022] Figure 3 A schematic diagram of the connection between a UART signal interface of a storage chip particle module and a multi-channel UART signal conversion circuit provided by an embodiment of the utility model;

[0023] Figure 4 A schematic diagram of the structure of a storage chip particle characteristic analysis circuit provided in an embodiment of the utility model.

[0024] Icons: 11- single chip microcomputer; 12- SPI interface four-channel asynchronous receiver and transmitter; 13- UART signal interface; 41- multi-channel UART signal conversion circuit; 42- storage chip particle module. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] In order to improve the efficiency of characteristic analysis, multiple single-chip microcomputers are required to independently control the particle modules in real time, including temperature adjustment, temperature reading, etc., which leads to excessively high analysis costs.

[0027] Based on this, the embodiment of the utility model provides a multi-channel UART signal conversion circuit and a storage chip particle characteristic analysis circuit. This technology can be connected to the UART signal interface of multiple peripheral storage chip particle modules through the SPI interface four-channel asynchronous transceiver through an SPI serial port of a single-chip microcomputer, thereby providing a communication channel for the storage chip particle module. In order to facilitate the understanding of the embodiment of the utility model, a multi-channel UART signal conversion circuit disclosed in the embodiment of the utility model is first introduced in detail.

[0028] Example 1

[0029] Figure 1 A schematic diagram of the structure of a multi-channel UART signal conversion circuit provided in an embodiment of the utility model.

[0030] Depend on Figure 1 As can be seen, the multi-channel UART signal conversion circuit includes:

[0031] A single-chip microcomputer 11 and an SPI interface four-channel asynchronous receiver and transmitter 12 are connected in sequence; the SPI interface four-channel asynchronous receiver and transmitter is connected to a UART signal interface 13 of a plurality of peripheral storage chip particle modules.

[0032] In this embodiment, the above-mentioned single-chip microcomputer 11 is used to provide an SPI signal to the above-mentioned SPI interface four-channel asynchronous receiver and transmitter 12; the above-mentioned SPI interface four-channel asynchronous receiver and transmitter 12 is used to communicate with the UART signal interface 13 of the above-mentioned storage chip particle module according to the above-mentioned SPI signal to receive the UART signal sent by the above-mentioned UART signal interface.

[0033] Here, if the number of the above-mentioned SPI interface four-channel asynchronous receiver and transmitter 12 is 1, the single-chip microcomputer 11 can convert one SPI signal into at most 4 UART signal interfaces; if the number of the above-mentioned SPI interface four-channel asynchronous receiver and transmitter 12 is multiple, the single-chip microcomputer 11 can convert more than 4 UART signal interfaces through multiple SPI signals; the above-mentioned single-chip microcomputer is connected to the SPI interface four-channel asynchronous receiver and transmitter through the SPI interface.

[0034] In actual operation, there are multiple SPI interface four-channel asynchronous receivers and transceivers 12; the chip select pin of each SPI interface four-channel asynchronous receiver and transceiver 12 is connected to the single-chip microcomputer 11; the single-chip microcomputer 11 is used to send a chip select enable signal to the target SPI interface four-channel asynchronous receiver and transceiver among the multiple SPI interface four-channel asynchronous receiver and transceivers 12; after receiving the chip select enable signal, the target SPI interface four-channel asynchronous receiver and transceiver communicates with the corresponding UART signal interface 13 of the storage chip particle module according to the SPI signal.

[0035] Furthermore, the number of the above-mentioned SPI interface four-channel asynchronous receivers and transmitters 12 is 4; the number of the above-mentioned UART signal interfaces 13 of the storage chip particle module is 16.

[0036] In actual operation, the multi-channel UART signal conversion circuit further includes a power supply connected to the SPI interface four-channel asynchronous receiver and transmitter; the power supply is used to provide operating voltage for the SPI interface four-channel asynchronous receiver and transmitter.

[0037] Furthermore, the power supply is connected to the interrupt request pin of the SPI interface four-channel asynchronous receiver and transmitter 12 through a first pull-up resistor; the SPI interface four-channel asynchronous receiver and transmitter 12 is used to determine whether an abnormality occurs in the UART signal; if so, the interrupt request pin is controlled to output a low level, and the low level is transmitted to the microcontroller 11.

[0038] Furthermore, the power supply is connected to the reset pin of the SPI interface four-channel asynchronous transceiver 12 through a second pull-up resistor; after the single-chip microcomputer 11 is powered on, it outputs a low level to the reset pin to reset the SPI interface four-channel asynchronous transceiver.

[0039] Furthermore, the multi-channel UART signal conversion circuit also includes a passive crystal oscillator connected to the SPI interface four-channel asynchronous receiver and transmitter; the passive crystal oscillator is used to provide a working clock for the SPI interface four-channel asynchronous receiver and transmitter.

[0040] For ease of understanding, Figure 2 A schematic diagram of the structure of another multi-channel UART signal conversion circuit provided by an embodiment of the utility model; Figure 3 A schematic diagram of the connection between a UART signal interface of a storage chip particle module and a multi-channel UART signal conversion circuit provided in an embodiment of the utility model.

[0041] Depend on Figure 2 , the multi-channel UART signal conversion circuit includes: a single-chip microcomputer, four SPI interface four-channel asynchronous receivers and transceivers, four 12MHz passive crystal oscillators, a first resistor, a second resistor, a power supply, a ground, and four UART signal interfaces of the memory chip particle modules. Here, the four SPI interface four-channel asynchronous receivers and transceivers are represented as U1, U2, U3, and U4, respectively, the four 12MHz passive crystal oscillators are represented as Y1, Y2, Y3, and Y4, respectively, the first resistor is represented as R1, the second resistor is represented as R2, the UART signal interfaces of the memory chip particle modules are represented as J1, J2, J3, and J4, respectively, the power supply is represented as VCC, and the ground is represented as GND. Among them, R1 is 4.7kΩ, and R2 is 10kΩ.

[0042] Furthermore, the SPI interface signal provided by the microcontroller is: 1_4_SCLK, 1_4_MOSI, 1_4_MISO, the reset RST signal provided by the microcontroller is: 1_4_RST, the interrupt IRQ signal provided by the microcontroller is: 1_4_IRQ, the chip select SCS signal provided by the microcontroller is: 1_SCS, 2_SCS, 3_SCS, 4_SCS; output 16 groups of UART signals: 1_RX1 / 1_TX1, 1_RX2 / 1_TX2, 1_RX3 / 1_TX3, 1_RX4 / 1_TX4, 2_RX1 / 2_ TX1, 2_RX2 / 2_TX2, 2_RX3 / 2_TX3, 2_RX4 / 2_TX4, 3_RX1 / 3_TX1, 3_RX2 / 3_TX2, 3_RX3 / 3_TX3, 3_RX4 / 3_TX4, 4_RX1 / 4_TX 1, 4_RX2 / 4_TX2, 4_RX3 / 4_TX3, 4_RX4 / 4_TX4; crystal oscillator signal: 1_OSCO / 1_OSCI, 2_OSCO / 2_OSCI, 3_OSCO / 3_OSCI, 4_OSCO / 4_OSCI.

[0043] Furthermore, VCC supplies power to U1, U2, U3 and U4, R1 and R2 are pull-up resistors of 1_4_IRQ and 1_4_RST respectively, Y1, Y2, Y3 and Y4 provide working clocks to U1, U2, U3 and U4 respectively to ensure the normal operation of U1, U2, U3 and U4; U1 and Y1 form four UART signal conversion circuits: 1_RX1 / 1_TX1, 1_RX2 / 1_TX2, 1_RX3 / 1_TX3 and 1_RX4 / 1_TX4, and U2 and Y2 form 2_RX1 / 2_ TX1, 2_RX2 / 2_TX2, 2_RX3 / 2_TX3, 2_RX4 / 2_TX4 four UART signal conversion circuits, U3 and Y3 constitute 3_RX1 / 3_TX1, 3_RX2 / 3_TX2, 3_RX3 / 3_TX3, 3_RX4 / 3_TX4 four UART signal conversion circuits, U4 and Y4 constitute 4_RX1 / 4_TX1, 4_RX2 / 4_TX2, 4_RX3 / 4_TX3, 4_RX4 / 4_TX4 four UART signal conversion circuits.

[0044] Further, by Figure 3 As can be seen, when VCC supplies power to U1, U2, U3 and U4, the microcontroller provides SPI signals 1_4_SCLK, 1_4_MOSI, and 1_4_MISO to U1, U2, U3 and U4. At the same time, the reset signal 1_4_RST and the interrupt signal 1_4_IRQ are pulled low, and the passive crystal oscillation is enabled. U1, U2, U3 and U4 can work normally. After chip select 1_SCS is enabled, U1 outputs 1_RX1 / 1_TX1, 1_RX2 / 1_TX2, 1_RX3 / 1_TX3, and 1_RX4 / 1_TX4 can communicate normally. After chip select 2_SCS is enabled, U2 outputs 2_RX1 / 2_TX1, 2_RX2 / 2_TX2, 2_RX3 / 2_TX3, 2_RX4 / 2_TX4 can communicate normally; after chip select 3_SCS is enabled, U3 outputs 3_RX1 / 3_TX1, 3_RX2 / 3_TX2, 3_RX3 / 3_TX3, 3_RX4 / 3_TX4 can communicate normally; after chip select 4_SCS is enabled, U4 outputs 4_RX1 / 4_TX1, 4_RX2 / 4_TX2, 4_RX3 / 4_TX3, 4_RX4 / 4_TX4.

[0045] In this embodiment, the communication function of the 16-channel UART communication interface is realized by controlling four SPI interface four-channel asynchronous receivers and transmitters through a single chip microcomputer.

[0046] The utility model embodiment provides a multi-channel UART signal conversion circuit, including: a single-chip microcomputer and a SPI interface four-channel asynchronous transceiver connected in sequence; the above-mentioned SPI interface four-channel asynchronous transceiver is connected to the UART signal interface of multiple peripheral storage chip particle modules; the above-mentioned single-chip microcomputer is used to provide SPI signals to the above-mentioned SPI interface four-channel asynchronous transceiver; the above-mentioned SPI interface four-channel asynchronous transceiver is used to communicate with the UART signal interface of the above-mentioned storage chip particle module according to the above-mentioned SPI signal to receive the UART signal sent by the above-mentioned UART signal interface. This technology can be connected to the SPI interface four-channel asynchronous transceiver through an SPI serial port of the single-chip microcomputer, and then connected to the UART signal interface of multiple peripheral storage chip particle modules through the SPI interface four-channel asynchronous transceiver, thereby providing a communication channel for the storage chip particle module.

[0047] Example 2

[0048] Based on Example 1, Figure 4 The schematic diagram of the structure of a memory chip particle characteristic analysis circuit provided by the embodiment of the utility model. Figure 4 As can be seen, the storage chip particle characteristic analysis circuit includes: a multi-channel UART signal conversion circuit 41, and also includes a storage chip particle module 42 connected to the above-mentioned multi-channel UART signal conversion circuit through a UART signal interface 13; the above-mentioned multi-channel UART signal conversion circuit 41 is used to receive the UART signal of the above-mentioned storage chip particle module sent by the above-mentioned UART signal interface, and analyze the above-mentioned UART signal to obtain the operation characteristic signal of the above-mentioned storage chip particle module.

[0049] In this embodiment, the above-mentioned operation characteristic signal includes: a temperature reading signal or a temperature adjustment signal of the memory chip particle module.

[0050] The memory chip particle characteristic analysis circuit provided in the embodiment of the utility model has the same technical features as the multi-channel UART signal conversion circuit provided in the above embodiment, so it can also solve the same technical problems and achieve the same technical effects. Those skilled in the art can clearly understand that for the convenience and simplicity of description, the specific working process of the memory chip particle characteristic analysis circuit described above can refer to the operation process of the multi-channel UART signal conversion circuit in the above embodiment, and will not be repeated here.

[0051] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0052] In the description of the present utility model, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be a connection between the two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Finally, it should be explained that the above embodiments are only used to illustrate the technical solution of the present utility model, not to limit it; although the present utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present utility model.

Claims

1. A multi-channel UART signal conversion circuit, characterized in that: include: A single-chip microcomputer and an SPI interface four-channel asynchronous receiver and transmitter connected in sequence; the SPI interface four-channel asynchronous receiver and transmitter are connected to the UART signal interface of the storage chip particle module of multiple peripherals; The single chip microcomputer is used to provide an SPI signal to the SPI interface four-channel asynchronous receiver and transmitter; The SPI interface four-channel asynchronous receiver and transmitter is used to communicate with the UART signal interface of the storage chip particle module according to the SPI signal to receive the UART signal sent by the UART signal interface.

2. The multi-channel UART signal conversion circuit according to claim 1, characterized in that: The number of the SPI interface four-channel asynchronous receiver and transmitter is multiple; the chip select pin of each of the SPI interface four-channel asynchronous receiver and transmitter is connected to the single-chip microcomputer; The single-chip microcomputer is used to send a chip select enable signal to a target SPI interface four-channel asynchronous receiver and transmitter among the plurality of SPI interface four-channel asynchronous receiver and transmitter; After receiving the chip select enable signal, the target SPI interface four-channel asynchronous receiver and transmitter communicates with the corresponding UART signal interface of the storage chip particle module according to the SPI signal.

3. The multi-channel UART signal conversion circuit according to claim 1, characterized in that: The multi-channel UART signal conversion circuit also includes a power supply connected to the SPI interface four-channel asynchronous receiver and transmitter; The power supply is used to provide operating voltage for the SPI interface four-channel asynchronous receiver and transmitter.

4. The multi-channel UART signal conversion circuit according to claim 3, characterized in that: The power supply is connected to the interrupt request pin of the SPI interface four-channel asynchronous receiver and transmitter through a first pull-up resistor; The SPI interface four-channel asynchronous receiver and transmitter is used to determine whether an abnormality occurs in the UART signal; if so, the interrupt request pin is controlled to output a low level, and the low level is transmitted to the single-chip microcomputer.

5. The multi-channel UART signal conversion circuit according to claim 4, characterized in that: The power supply is connected to the reset pin of the SPI interface four-channel asynchronous receiver and transmitter through a second pull-up resistor; After the single chip microcomputer is powered on, it outputs a low level to the reset pin to reset the SPI interface four-channel asynchronous transceiver.

6. The multi-channel UART signal conversion circuit according to claim 1, characterized in that: The multi-channel UART signal conversion circuit also includes a passive crystal oscillator connected to the SPI interface four-channel asynchronous receiver and transmitter; The passive crystal oscillator is used to provide a working clock for the SPI interface four-channel asynchronous receiver and transmitter.

7. The multi-channel UART signal conversion circuit according to claim 6, characterized in that: The passive crystal oscillator is connected to the ground.

8. The multi-channel UART signal conversion circuit according to claim 1, characterized in that: The number of the SPI interface four-channel asynchronous receivers and transmitters is 4; the number of the UART signal interfaces of the storage chip particle module is 16.

9. The multi-channel UART signal conversion circuit according to claim 8, characterized in that: The single chip microcomputer is connected to the SPI interface four-channel asynchronous receiver and transmitter via the SPI interface.

10. A memory chip particle characteristic analysis circuit, characterized in that: include: The multi-channel UART signal conversion circuit according to any one of claims 1 to 9, further comprising a storage chip particle module connected to the multi-channel UART signal conversion circuit via a UART signal interface; The multi-channel UART signal conversion circuit is used to receive the UART signal of the storage chip particle module sent by the UART signal interface, and analyze the UART signal to obtain the operation characteristic signal of the storage chip particle module.

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