CN103427907A - High-performance data interface card for fiber channels - Google Patents
High-performance data interface card for fiber channels Download PDFInfo
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- CN103427907A CN103427907A CN2013103638876A CN201310363887A CN103427907A CN 103427907 A CN103427907 A CN 103427907A CN 2013103638876 A CN2013103638876 A CN 2013103638876A CN 201310363887 A CN201310363887 A CN 201310363887A CN 103427907 A CN103427907 A CN 103427907A
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- interface card
- fpga
- data interface
- reference clock
- clock chip
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Abstract
The invention discloses a high-performance data interface card for fiber channels. The high-performance data interface card comprises an FPGA (field programmable gate array) and a central processing unit. The FPGA is connected onto the central processing unit, a first reference clock chip and a second reference clock chip are further connected onto the central processing unit, a light transmitting and receiving module is connected onto the FPGA, a PCI (peripheral component interconnect)-EXPRESSX4 interface and memories are further connected onto the FPGA, and the first reference clock chip and the second reference clock chip are respectively a DS4106 chip and a DS4212 chip. The high-performance data interface card has the advantages of extremely low phase jitter and phase noise and excellent performance.
Description
Technical field
The present invention relates to fiber optic communication field, relate in particular a kind of high-performance optical fiber channel data interface card.
Background technology
Due to optical fiber communication have capacity large, transmit that information quality is high, the advantage such as long transmission distance, stable performance, anti-electromagnetism, resistance to corrosion are strong.And optical-fibre channel is a kind of high performance serial transmission protocol, there are the characteristics of high broadband, high real-time, become the preferred option of advanced synthesis electronic system of new generation network interconnection.The optical-fibre communications data interface card, as the interface of electronic system and network, is the key component that forms electric network, and its research has become important and urgent task.The performance impact of the phase place docking port card of its optical-fibre communications data interface card is very big.
Summary of the invention
The invention provides a kind of high-performance optical fiber channel data interface card, its phase jitter and phase noise are extremely low, the interface card superior performance.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
High-performance optical fiber channel data interface card, it comprises FPGA and central processing unit, described FPGA is connected on central processing unit, also be connected with the first reference clock chip and the second reference clock chip on described central processing unit, be connected with optical transceiver module on described FPGA, also be connected with PCI-EXPRESS X4 interface and memory on described FPGA, described the first reference clock chip and the second reference clock chip are respectively DS4106 and DS4212.
The present invention, be based on the implementation of FPGA, and interface card is communicated by letter with the main frame realization by PCI-EXPRESS X4 interface, fully to ensure the bandwidth resources of an equipment, improved the transmission rate of data, and the result of hardware is simple, development cost is low, and extensibility is strong.Adopt the first reference clock chip and the second reference clock chip, it can effectively improve the clock stability of internal system, and the first reference clock chip and the second reference clock chip adopt respectively DS4106 and DS4212, its phase jitter and phase noise are extremely low, effectively guarantee the superiority of the performance of interface card.The operating state of central processing unit for managing FPGA, and memory is managed.Optical transceiver module provides optical fiber interface, realizes the conversion of light signal and the signal of telecommunication.
Further technical scheme is:
As preferably, described memory comprises SRAM and FLASH.SRAM is static random access memory; FLASH is flash memory.
As preferably, described central processing unit is arm processor.Its high-performance of arm processor, low-power consumption, low price, can improve the overall performance of whole interface card.
Further, described arm processor is CORTEX-M3.
As preferably, described FPGA is XC5VLX110T.
As preferably, described PCI-EXPRESS X4 interface is connected with the FPGA bus.
Compared with prior art, the invention has the beneficial effects as follows:
1, the present invention adopts two clock circuits, i.e. the first reference clock chip and the second reference clock chip, it can effectively improve the stability of interface card inside, and phase jitter and phase noise extremely low, effectively guarantee the superiority of the performance of interface card.
2, result of the present invention is simple, is easy to realize.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Fig. 1 is theory diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.Embodiments of the present invention include but not limited to the following example.
[embodiment]
High-performance optical fiber channel data interface card as shown in Figure 1, it comprises FPGA and central processing unit, described FPGA is connected on central processing unit, also be connected with the first reference clock chip and the second reference clock chip on described central processing unit, be connected with optical transceiver module on described FPGA, also be connected with PCI-EXPRESS X4 interface and memory on described FPGA, described the first reference clock chip and the second reference clock chip are respectively DS4106 and DS4212.
Described memory comprises SRAM and FLASH.
Described central processing unit is arm processor.
Described arm processor is CORTEX-M3.
Described FPGA is XC5VLX110T.
Described PCI-EXPRESS X4 interface is connected with the FPGA bus.
In the present invention, its optical transceiver module can adopt FTRJ-8519-1-2.5.It provides the 2.125Gbps transmission rate, adopts the 850nm laser, has good shake and EMI characteristic, can finely meet the demands.
Be as mentioned above embodiments of the invention.The present invention is not limited to above-mentioned execution mode, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, within all falling into protection scope of the present invention.
Claims (6)
1. high-performance optical fiber channel data interface card, it is characterized in that: it comprises FPGA and central processing unit, described FPGA is connected on central processing unit, also be connected with the first reference clock chip and the second reference clock chip on described central processing unit, be connected with optical transceiver module on described FPGA, also be connected with PCI-EXPRESS X4 interface and memory on described FPGA, described the first reference clock chip and the second reference clock chip are respectively DS4106 and DS4212.
2. high-performance optical fiber channel data interface card according to claim 1, it is characterized in that: described memory comprises SRAM and FLASH.
3. high-performance optical fiber channel data interface card according to claim 1, it is characterized in that: described central processing unit is arm processor.
4. high-performance optical fiber channel data interface card according to claim 3, it is characterized in that: described arm processor is CORTEX-M3.
5. high-performance optical fiber channel data interface card according to claim 1, it is characterized in that: described FPGA is XC5VLX110T.
6. high-performance optical fiber channel data interface card according to claim 1, it is characterized in that: described PCI-EXPRESS X4 interface is connected with the FPGA bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103638876A CN103427907A (en) | 2013-08-20 | 2013-08-20 | High-performance data interface card for fiber channels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103638876A CN103427907A (en) | 2013-08-20 | 2013-08-20 | High-performance data interface card for fiber channels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103427907A true CN103427907A (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2013103638876A Pending CN103427907A (en) | 2013-08-20 | 2013-08-20 | High-performance data interface card for fiber channels |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090290672A1 (en) * | 2008-05-23 | 2009-11-26 | Avago Technologies Fiber Ip (Singapore) Pte. Ltd | Circuits and Methods for Clock and Data Recovery |
| CN102833002A (en) * | 2012-08-23 | 2012-12-19 | 哈尔滨工业大学 | Data transmission device and method supporting fibre channel protocol |
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2013
- 2013-08-20 CN CN2013103638876A patent/CN103427907A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090290672A1 (en) * | 2008-05-23 | 2009-11-26 | Avago Technologies Fiber Ip (Singapore) Pte. Ltd | Circuits and Methods for Clock and Data Recovery |
| CN102833002A (en) * | 2012-08-23 | 2012-12-19 | 哈尔滨工业大学 | Data transmission device and method supporting fibre channel protocol |
Non-Patent Citations (1)
| Title |
|---|
| 吴帅: "基于PCI Express总线和光模块的高速串行传输系统设计与实现", 《中国优秀硕士学位论文全文数据库 信息科技辑》, 15 May 2010 (2010-05-15) * |
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Application publication date: 20131204 |