CN210428438U - Interface conversion board - Google Patents
Interface conversion board Download PDFInfo
- Publication number
- CN210428438U CN210428438U CN201921404922.3U CN201921404922U CN210428438U CN 210428438 U CN210428438 U CN 210428438U CN 201921404922 U CN201921404922 U CN 201921404922U CN 210428438 U CN210428438 U CN 210428438U
- Authority
- CN
- China
- Prior art keywords
- interface
- microprocessor
- rapidio
- ethernet
- conversion circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Communication Control (AREA)
- Bus Control (AREA)
Abstract
The utility model provides an interface conversion board, which comprises an Ethernet port, an RS422 serial port, an Ethernet module, an RS422 drive conversion circuit, a microprocessor, an FPGA and a RapidIO interface; the RapidIO interface comprises a coaxial RapidIO interface and a KJ30J socket RapidIO interface; each RapidIO interface is connected with an FPGA for signal conversion and caching, and the FPGA is connected with a microprocessor; the microprocessor is connected with the Ethernet module, and the Ethernet module is connected with the Ethernet port; the microprocessor is connected with the RS422 drive conversion circuit, and the RS422 drive conversion circuit is connected with the RS422 serial port. Further, the RS422 drive conversion circuit includes differential line drivers U1, U2, the differential line driver U1 employs AM26LV32e, and the differential line driver U2 employs AM26LV31 e. The utility model discloses can convert RS422 communication interface, ethernet communication interface into RapidIO high-speed communication interface.
Description
Technical Field
The utility model relates to a circuit, especially an interface converter plate circuit.
Background
With the continuous development of scientific technology, the serial RapidIO interface has the characteristics of interconnecting a plurality of processors and clustering a computer due to the use of a high-speed serial technology, and is applied to the communication interconnection between chips and boards of an embedded computer. In the field of embedded computers and communication technologies, the RapidIO interface has gradually become the first choice for the interconnection of multiple computers, multiple processors and multiple DSPs. The ethernet communication interface is a standard communication interface, provides long-distance transmission, and is widely used for data exchange between PCs and the like. The RS422 communication interface is a serial port of full duplex, differential transmission and multipoint communication.
How to convert various traditional interfaces into RapidIO interfaces is an urgent problem to be solved.
Disclosure of Invention
To the not enough that exists among the prior art, the utility model provides an interface conversion board can be with RS422 communication interface, ethernet communication interface conversion for the high-speed communication interface of RapidIO. The utility model adopts the technical proposal that:
an interface conversion board comprises an Ethernet port, an RS422 serial port, an Ethernet module, an RS422 drive conversion circuit, a microprocessor, an FPGA and a RapidIO interface;
the RapidIO interface comprises a coaxial RapidIO interface and a KJ30J socket RapidIO interface; each RapidIO interface is connected with an FPGA for signal conversion and caching, and the FPGA is connected with a microprocessor;
the microprocessor is connected with the Ethernet module, and the Ethernet module is connected with the Ethernet port;
the microprocessor is connected with the RS422 drive conversion circuit, and the RS422 drive conversion circuit is connected with the RS422 serial port.
Further, the RS422 drive conversion circuit includes differential line drivers U1, U2, the differential line driver U1 employs AM26LV32e, and the differential line driver U2 employs AM26LV31 e;
one path of single-ended receiving end of the differential line driver U1 is connected with the microprocessor, and the corresponding path of differential receiving end of the U1 is connected with the RS422 serial port;
one path of single-ended transmission of the differential line driver U2 is connected with the microprocessor, and the corresponding path of differential transmission of the U2 is connected with the RS422 serial port.
Further, the microprocessor employs an ARM STM32F 106.
The utility model has the advantages that:
1) the conversion of the RS422 communication interface into a RapidIO high-speed communication interface can be realized.
2) The Ethernet communication interface can be converted into a RapidIO high-speed communication interface.
3) Is convenient to carry and carry, and can facilitate field operation.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic diagram of the RS422 driving conversion circuit of the present invention.
Detailed Description
The invention is further described with reference to the following specific drawings and examples.
As shown in fig. 1, the utility model provides an interface conversion board, which comprises an ethernet port, an RS422 serial port, an ethernet module, an RS422 drive conversion circuit, a microprocessor, an FPGA, and a RapidIO interface;
the RapidIO interface comprises 4 coaxial RapidIO interfaces, and a first-stage KJ30J socket RapidIO interface; each RapidIO interface is connected with an FPGA for signal conversion and caching, and the FPGA is connected with a microprocessor;
the microprocessor is connected with the Ethernet module, and the Ethernet module is connected with the Ethernet port;
the microprocessor is connected with the RS422 drive conversion circuit, and the RS422 drive conversion circuit is connected with an RS422 serial port;
as shown in fig. 2, the RS422 drive conversion circuit includes differential line drivers U1, U2, the differential line driver U1 adopts AM26LV32e, and the differential line driver U2 adopts AM26LV31 e;
one path of single-ended receiving end (3 feet) of the differential line driver U1 is connected with the microprocessor, and the corresponding path of differential receiving end (1 foot and 2 feet) of the U1 is connected with the RS422 serial port;
one path of single-ended transmitting end (1 pin) of the differential line driver U2 is connected with the microprocessor, and the corresponding path of differential transmitting end (2 pins and 3 pins) of the U2 is connected with the RS422 serial port;
the microprocessor adopts ARM STM32F 106; the network chip adopted in the Ethernet module is W5500;
the interface adapter board can receive coaxial RapidIO data or KJ30J socket RapidIO data, the data are converted and cached through the FPGA and sent to the microprocessor, and the microprocessor receives the FPGA data and forwards the FPGA data to the Ethernet port and the RS422 serial port; the Ethernet port and the RS422 serial port receive external data and send the external data to the microprocessor, and the microprocessor forwards the external data to FIFO of the FPGA after receiving the external data and converts the external data into two paths of RapidIO data to complete data exchange of the left side and the right side.
The utility model discloses the technique can be realized on a converter plate with RS422 communication interface and ethernet communication interface conversion for the high-speed communication interface of rapidIO, reaches the communication effect of ideal.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (3)
1. An interface conversion board is characterized by comprising an Ethernet port, an RS422 serial port, an Ethernet module, an RS422 drive conversion circuit, a microprocessor, an FPGA and a RapidIO interface;
the RapidIO interface comprises a coaxial RapidIO interface and a KJ30J socket RapidIO interface; each RapidIO interface is connected with an FPGA for signal conversion and caching, and the FPGA is connected with a microprocessor;
the microprocessor is connected with the Ethernet module, and the Ethernet module is connected with the Ethernet port;
the microprocessor is connected with the RS422 drive conversion circuit, and the RS422 drive conversion circuit is connected with the RS422 serial port.
2. The interface conversion plate of claim 1,
the RS422 drive conversion circuit comprises differential line drivers U1 and U2, wherein the differential line driver U1 adopts AM26LV32e, and the differential line driver U2 adopts AM26LV31 e;
one path of single-ended receiving end of the differential line driver U1 is connected with the microprocessor, and the corresponding path of differential receiving end of the U1 is connected with the RS422 serial port;
one path of single-ended transmission of the differential line driver U2 is connected with the microprocessor, and the corresponding path of differential transmission of the U2 is connected with the RS422 serial port.
3. The interface conversion plate of claim 1,
the microprocessor employs an ARM STM32F 106.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921404922.3U CN210428438U (en) | 2019-08-28 | 2019-08-28 | Interface conversion board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921404922.3U CN210428438U (en) | 2019-08-28 | 2019-08-28 | Interface conversion board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210428438U true CN210428438U (en) | 2020-04-28 |
Family
ID=70364658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921404922.3U Active CN210428438U (en) | 2019-08-28 | 2019-08-28 | Interface conversion board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210428438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112600857A (en) * | 2020-12-29 | 2021-04-02 | 北京神州飞航科技有限责任公司 | SRIO and gigabit network interconnection device based on FPGA |
-
2019
- 2019-08-28 CN CN201921404922.3U patent/CN210428438U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112600857A (en) * | 2020-12-29 | 2021-04-02 | 北京神州飞航科技有限责任公司 | SRIO and gigabit network interconnection device based on FPGA |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10572425B2 (en) | PCIe lane aggregation over a high speed link | |
| CN108304341A (en) | AI chip high speeds transmission architecture, AI operations board and server | |
| TWI382315B (en) | Usb matrix switch system | |
| CN101527735B (en) | Multi-serial port data communication card equipment based on CPCI bus and method thereof | |
| CN104020534B (en) | A kind of novel USB3.0 active optical cable structure | |
| CN207718364U (en) | A kind of multichannel RS-422 serial ports expansion interfaces based on FPGA | |
| CN110837486A (en) | FlexRay-CPCIe communication module based on FPGA | |
| CN107943733A (en) | The interconnected method of parallel bus between a kind of veneer | |
| CN210428438U (en) | Interface conversion board | |
| CN101795262B (en) | IEEE-1394b bus and CAN bus protocol converter based on microprocessor | |
| CN105786741B (en) | SOC high-speed low-power-consumption bus and conversion method | |
| CN109840231A (en) | A kind of PCIe-SRIO interconnecting device and its method | |
| CN112069111B (en) | Circuit design of timer adapter card compatible with bidirectional transmission | |
| CN205229924U (en) | PCIE expands integrated circuit board based on high -end server | |
| TWM639691U (en) | Interface conversion device | |
| CN201503585U (en) | Multi-serial-port data communication card equipment based on CPCI bus | |
| CN201159878Y (en) | PCIE card slot adapter | |
| CN208079071U (en) | A kind of multi computer communication circuit based on RS232 interface | |
| CN203149567U (en) | Multi-node communication circuit based on RS232C standard | |
| TWI763542B (en) | Board-to-board connecting system | |
| CN216959898U (en) | BLVDS bus data communication-based power consumption reduction communication circuit | |
| CN203673473U (en) | High-speed board card for eight channel transceiving serial ports on basis of FPGA | |
| CN217467657U (en) | PCIE adapter card for expanding FPGA accelerator card | |
| CN202172180U (en) | Mitsubishi FX2N series PLC data communication line of USB interface | |
| CN217720198U (en) | TYPE-C changes RS232 one minute two data conversion line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |