CN220307235U - Communication protocol conversion device - Google Patents
Communication protocol conversion device Download PDFInfo
- Publication number
- CN220307235U CN220307235U CN202321821523.3U CN202321821523U CN220307235U CN 220307235 U CN220307235 U CN 220307235U CN 202321821523 U CN202321821523 U CN 202321821523U CN 220307235 U CN220307235 U CN 220307235U
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- flexray
- communication
- communication interface
- conversion
- circuit board
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- 238000004891 communication Methods 0.000 title claims abstract description 109
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 75
- 238000002955 isolation Methods 0.000 claims description 13
- 239000013078 crystal Substances 0.000 claims description 6
- 230000002457 bidirectional effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Abstract
The application discloses communication protocol conversion device, including shell and conversion circuit board, conversion chip and FlexRay communication module have on the conversion circuit board, conversion chip has SPI communication interface, CAN communication interface, UART communication interface and FlexRay communication interface, flexRay communication interface and FlexRay communication module electricity are connected, flexRay communication module is used for the data of input or output FlexRay protocol, SPI communication interface, CAN communication interface and UART communication interface are used for the data of input or output SPI, CAN and UART protocol respectively. According to the method and the device, the conversion chip is used for realizing bidirectional conversion of the FlexRay and the SPI, the FlexRay and the CAN and the FlexRay and the UART, conversion among various communication protocols CAN be realized, and the applicability of the device is improved.
Description
Technical Field
The present disclosure relates to the field of communications processing devices, and in particular, to a communications protocol conversion device.
Background
In modern electronic devices, data needs to be encoded according to a certain communication protocol and then transmitted, but current communication protocols are numerous, and each communication protocol has respective advantages, so that different data may be transmitted by adopting multiple communication protocols in the same electronic device.
However, different communication protocols differ in the encoding and decoding processes of data, and communication protocols to which different components can be compatible also differ, so that it is often necessary to convert data under one communication protocol into another communication protocol. However, the conventional communication protocol conversion device is limited in application range because one specific communication protocol is converted into another specific communication protocol.
Disclosure of Invention
The embodiment of the application provides a communication protocol conversion device, which is used for solving the problem that in the prior art, the application range is limited when two communication protocols are converted.
In one aspect, an embodiment of the present application provides a communication protocol conversion apparatus, including:
a housing;
the conversion circuit board is arranged inside the shell, the conversion circuit board is provided with a conversion chip and a FlexRay communication module, the conversion chip is provided with an SPI communication interface, a CAN communication interface, a UART communication interface and a FlexRay communication interface, the FlexRay communication interface is electrically connected with the FlexRay communication module, the FlexRay communication module is used for inputting or outputting data of a FlexRay protocol, and the SPI communication interface, the CAN communication interface and the UART communication interface are respectively used for inputting or outputting data of the SPI, the CAN and the UART protocols.
In one possible implementation, the FlexRay communication module comprises an electrically connected FlexRay bus protocol processor and FlexRay transceiver.
In a possible implementation, the FlexRay communication module further comprises an isolation unit electrically connected between the FlexRay bus protocol processor and the FlexRay transceiver.
In one possible implementation, the FlexRay bus protocol processor is of LFR4310 type, the FlexRay transceiver is of LFR1080 type, and the isolation unit is of Nsi8120N0 type.
In one possible implementation manner, the conversion circuit board is further provided with a reset circuit, a BOOT circuit and a crystal oscillator circuit, and the reset circuit, the BOOT circuit and the crystal oscillator circuit are respectively electrically connected with the conversion chip.
In one possible implementation, the conversion circuit board further has a debug module thereon, and the conversion chip further has a debug interface and a JTAG interface, and the debug module is electrically connected to the debug interface.
In one possible implementation, a connector of the type FPH25448-S40S1014150710B is provided on the housing, and the SPI communication interface, the CAN communication interface, the UART communication interface, and the FlexRay communication module are electrically connected to the connector, respectively.
In one possible implementation, the conversion circuit board further has a power circuit thereon, and the power circuit is used for converting a voltage input by an external power source into a voltage required by each device on the conversion circuit board.
In one possible implementation, the conversion circuit board is further provided with an indicator lamp, and the indicator lamp is electrically connected with the conversion chip and is used for indicating the working state of the conversion circuit board.
In one possible implementation, the conversion chip employs a processor model GD32F450IIH 6.
The communication protocol conversion device has the following advantages:
the conversion chip is utilized to realize the bidirectional conversion of the FlexRay and the SPI, the FlexRay and the CAN and the FlexRay and the UART, so that the conversion among various communication protocols CAN be realized, and the applicability of the device is improved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a functional module of a conversion circuit board in a communication protocol conversion device according to an embodiment of the present application;
FIG. 2 is a schematic block diagram of a UART communication interface according to an embodiment of the present application;
FIG. 3 is a schematic block diagram of a CAN communication interface provided in an embodiment of the application;
fig. 4 is a schematic block diagram of an SPI communication interface provided in an embodiment of the present application;
fig. 5 is a schematic block diagram of a FlexRay communication interface and FlexRay communication module provided in an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.
The embodiment of the application provides a communication protocol conversion device, which comprises:
a housing;
the conversion circuit board is arranged inside the shell, the conversion circuit board is provided with a conversion chip and a FlexRay communication module, the conversion chip is provided with an SPI communication interface, a CAN communication interface, a UART communication interface and a FlexRay communication interface, the FlexRay communication interface is electrically connected with the FlexRay communication module, the FlexRay communication module is used for inputting or outputting data of a FlexRay protocol, and the SPI communication interface, the CAN communication interface and the UART communication interface are respectively used for inputting or outputting data of the SPI, the CAN and the UART protocols.
Illustratively, as shown in FIG. 1, the conversion chip may employ a processor model GD32F450IIH6, which is based onIs capable of executing a complete set of DSP instructions to fillDigital signal control is a requirement for both efficient and easy to use control and signal processing functions.
Besides the conversion chip and the FlexRay communication module, the conversion circuit board is also provided with a reset circuit, a BOOT circuit and a crystal oscillator circuit, and the reset circuit, the BOOT circuit and the crystal oscillator circuit are respectively and electrically connected with the conversion chip so as to form a minimum system.
Further, the FlexRay communication module includes a FlexRay bus protocol processor and a FlexRay transceiver that are electrically connected, where the FlexRay bus protocol processor is LFR4310 and the FlexRay transceiver is LFR1080, as shown in fig. 5. Meanwhile, the FlexRay communication module further comprises an isolation unit, the isolation unit is electrically connected between the FlexRay bus protocol processor and the FlexRay transceiver, and the model of the isolation unit is Nsi8120N0.
The signal inputs and outputs of the UART communication interface, the CAN communication interface and the SPI communication interface are shown in fig. 2-4, respectively.
In one possible embodiment, the conversion circuit board further has a debug module thereon, and the conversion chip further has a debug interface and a JTAG interface, and the debug module is electrically connected to the debug interface.
Illustratively, the debug module and JTAG interface are both used for interfacing with a debug device to debug or underframe upgrade, respectively, the translation chip.
In one possible embodiment, connectors of the type FPH25448-S40S1014150710B are provided on the housing, and the SPI communication interface, the CAN communication interface, the UART communication interface and the FlexRay communication module are electrically connected to the connectors, respectively.
The connector is used for guiding the SPI communication interface, the CAN communication interface, the UART communication interface and the FlexRay communication module out of the shell to access externally input data of various protocols.
Further, the external connector has 15 pins, and each pin is defined as follows:
TABLE 1 Pin definition for external connector
In one possible embodiment, the conversion circuit board further has a power circuit thereon for converting a voltage input from an external power source into a voltage required by each device on the conversion circuit board.
The power supply circuit comprises an isolation power supply module, a primary power supply module and a secondary power supply module, the isolation power supply module in the embodiment of the application adopts an isolation power supply chip with the model of B0505ST16-W5, and the input voltage and the output voltage of the isolation power supply chip are DC5V and are used for isolating the input voltage and the output voltage, so that the stability of the output voltage is ensured. The primary power supply module adopts an adjustable power supply chip with the model of XC9883QNC, the input of the adjustable power supply chip is DC5V voltage output by the isolation power supply module, the output of the adjustable power supply chip is DC3.3V, the secondary power supply module adopts a boost chip with the model of XC4221ABA, the input of the adjustable power supply chip is DC5V voltage output by the isolation power supply module, and the output of the adjustable power supply chip is DC12V power supply.
In one possible embodiment, the conversion circuit board is further provided with an indicator lamp, and the indicator lamp is electrically connected with the conversion chip and is used for indicating the working state of the conversion circuit board.
Illustratively, the indicator light blinks at a frequency of 1Hz when the operating state of the conversion circuit board is normal.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (10)
1. A communication protocol conversion apparatus, comprising:
a housing;
the conversion circuit board is arranged inside the shell, the conversion circuit board is provided with a conversion chip and a FlexRay communication module, the conversion chip is provided with an SPI communication interface, a CAN communication interface, a UART communication interface and a FlexRay communication interface, the FlexRay communication interface is electrically connected with the FlexRay communication module, the FlexRay communication module is used for inputting or outputting data of a FlexRay protocol, and the SPI communication interface, the CAN communication interface and the UART communication interface are respectively used for inputting or outputting data of the SPI, the CAN and the UART protocol.
2. A communication protocol conversion device according to claim 1, wherein the FlexRay communication module comprises an electrically connected FlexRay bus protocol processor and FlexRay transceiver.
3. A communication protocol conversion device according to claim 2, wherein the FlexRay communication module further comprises an isolation unit electrically connected between the FlexRay bus protocol processor and FlexRay transceiver.
4. A communication protocol conversion device according to claim 3, wherein the FlexRay bus protocol processor has a model LFR4310, the FlexRay transceiver has a model LFR1080, and the isolation unit has a model Nsi8120N0.
5. The communication protocol conversion device according to claim 1, wherein the conversion circuit board is further provided with a reset circuit, a BOOT circuit and a crystal oscillator circuit, and the reset circuit, the BOOT circuit and the crystal oscillator circuit are electrically connected with the conversion chip respectively.
6. The communication protocol conversion device according to claim 1, wherein the conversion circuit board further has a debug module thereon, the conversion chip further has a debug interface and a JTAG interface, and the debug module is electrically connected to the debug interface.
7. The communication protocol conversion device according to claim 1, wherein a connector of a type FPH25448-S40S1014150710B is provided on the housing, and the SPI communication interface, the CAN communication interface, the UART communication interface, and the FlexRay communication module are electrically connected to the connector, respectively.
8. The communication protocol conversion device according to claim 1, wherein the conversion circuit board is further provided with a power circuit for converting a voltage inputted from an external power source into a voltage required by each device on the conversion circuit board.
9. The communication protocol conversion device according to claim 1, wherein the conversion circuit board is further provided with an indicator lamp, the indicator lamp is electrically connected with the conversion chip, and the indicator lamp is used for indicating the working state of the conversion circuit board.
10. The communication protocol conversion device according to claim 1, wherein the conversion chip is a processor of a model GD32F450IIH 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321821523.3U CN220307235U (en) | 2023-07-12 | 2023-07-12 | Communication protocol conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321821523.3U CN220307235U (en) | 2023-07-12 | 2023-07-12 | Communication protocol conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220307235U true CN220307235U (en) | 2024-01-05 |
Family
ID=89374258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321821523.3U Active CN220307235U (en) | 2023-07-12 | 2023-07-12 | Communication protocol conversion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220307235U (en) |
-
2023
- 2023-07-12 CN CN202321821523.3U patent/CN220307235U/en active Active
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