CN109347693A - A kind of JLAN91C111 network interface card test device and its test method - Google Patents
A kind of JLAN91C111 network interface card test device and its test method Download PDFInfo
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- CN109347693A CN109347693A CN201811029323.8A CN201811029323A CN109347693A CN 109347693 A CN109347693 A CN 109347693A CN 201811029323 A CN201811029323 A CN 201811029323A CN 109347693 A CN109347693 A CN 109347693A
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- network interface
- interface card
- jlan91c111
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- minimum system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/50—Testing arrangements
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Abstract
The present invention provides a kind of JLAN91C111 network interface card test device and its test methods, are related to network interface card the field of test technology, and device includes the standard network interface card unit, Date Conversion Unit and network interface card unit to be measured being sequentially connected；Standard network interface card unit includes the PowerPC minimum system being connected and JLAN91C111 standard network interface card；Date Conversion Unit is the differential switch being connected between standard network interface card unit and network interface card unit to be measured；Network interface card unit to be measured includes sequentially connected DSP minimum system, CPLD gate array and JLAN91C111 network interface card to be measured；PowerPC minimum system is connect with DSP minimum system by pci bus, and JLAN91C111 standard network card is connect by differential switch with JLAN91C111 network interface card to be measured.The technical solution establishes the connection of the network transmission signal between JLAN91C111 standard network interface card and different JLAN91C111 network interface card to be measured by adjusting differential switch, realize the mass communication function detection of JLAN91C111 network interface card to be measured, to alleviate the technical problem of LAN91C111 network interface card functional test difficulty existing in the prior art, the volume production efficiency of network card chip is improved.
Description
Technical field
The present invention relates to network interface card the field of test technology, more particularly, to a kind of JLAN91C111 network interface card test device and its survey
Method for testing.
Background technique
With the development of modern science and technology, we have come into cybertimes, the network terminal is not only gone out in the form of PC
It is existing, it can also be appeared on network in a manner of embedded system, such as the cellular mobile telephone of networking, palm PC, TV, automobile electricity
Son, security system, the mechanical, electrical table of self-service, game machine and air-conditioning etc..For the network design of built-in field, the country one
A little chip Chevron Research Company (CRC)s are proposed JLAN91C111 network card chip, this chip is keeping simultaneous with foreign countries LAN91C111 network card chips
Under the premise of appearance, subnetwork agreement joined, the scene application power of chip is also improved while improving chip performance.
The feature of chip maximum is the operation is stable, wide temperature range use, adaptively selects transmission rate, sufficiently full duplex supported to hand over
Change formula Ethernet.But since the function of chip is more complex, which is difficult to realize functional verification and test before factory, serious to limit
The volume production efficiency of the chip is made.Therefore, design is a can be to the independent bottom plate that LAN91C111 network interface card function is tested very
It is necessary.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of JLAN91C111 network interface card test device and its test method,
To alleviate the technical problem of LAN91C111 network interface card functional test difficulty existing in the prior art.
The embodiment of the invention provides a kind of JLAN91C111 network interface card test devices, including the standard network interface card list being sequentially connected
Member, Date Conversion Unit and network interface card unit to be measured；
Standard network interface card unit includes the PowerPC minimum system being connected and JLAN91C111 standard network interface card；Date Conversion Unit
For the differential switch being connected between standard network interface card unit and network interface card unit to be measured；Network interface card unit to be measured includes sequentially connected
DSP minimum system, CPLD gate array and JLAN91C111 network interface card to be measured；
PowerPC minimum system is connect with DSP minimum system by pci bus, and JLAN91C111 standard network card is opened by difference
Pass is connect with JLAN91C111 network interface card to be measured；
Wherein, PowerPC minimum system includes Power PC Processor and PowerPC-DDR2 connected to it and PowerPC-
FLASH；DSP minimum system includes dsp chip and DSP-DDR2 connected to it and DSP-FLASH.
Further, in JLAN91C111 network interface card test device provided in an embodiment of the present invention, Power PC Processor is
MPC5121E chip.
Further, in JLAN91C111 network interface card test device provided in an embodiment of the present invention, dsp chip is used
TMS320C6416 chip.
Further, in JLAN91C111 network interface card test device provided in an embodiment of the present invention, CPLD gate array is used
EPM1270T144 chip.
Further, in JLAN91C111 network interface card test device provided in an embodiment of the present invention, differential switch is used
TS3DV20812 differential signal selection switch.
The embodiment of the invention provides a kind of test methods based on JLAN91C111 network interface card test device, comprising:
A. the PowerPC minimum system in standard network interface card unit by adjusting differential switch establish JLAN91C111 standard network interface card with
Network transmission signal connection between first JLAN91C111 network interface card to be measured；
B.PowerPC minimum system controls the card start-up network communication of JLAN91C111 standard network；
The PowerPC minimum system of c.JLAN91C111 standard network interface card passes through pci bus and JLAN91C111 network interface card unit to be measured
The DSP minimum system of connection carries out data interaction, and whether the network communication function for detecting JLAN91C111 network interface card to be measured is normal；
D. after the completion of network communication function test, PowerPC minimum system is again by adjusting difference in standard testing network interface card unit
Switch-dividing establish JLAN91C111 standard network interface card and under network transmission signal between a piece of JLAN91C111 network interface card to be measured connect；
E. step b to step d is repeated, until JLAN91C111 network interface card to be measured all complete by detection.
The embodiment of the present invention brings following the utility model has the advantages that JLAN91C111 network interface card provided by the embodiment of the present invention is tested
Device and its test method, device include the standard network interface card unit, Date Conversion Unit and network interface card unit to be measured being sequentially connected；
Standard network interface card unit includes the PowerPC minimum system being connected and JLAN91C111 standard network interface card；Date Conversion Unit is to connect
Connect the differential switch between standard network interface card unit and network interface card unit to be measured；Network interface card unit to be measured include sequentially connected DSP most
Mini system, CPLD gate array and JLAN91C111 network interface card to be measured；PowerPC minimum system and DSP minimum system pass through pci bus
Connection, JLAN91C111 standard network card are connect by differential switch with JLAN91C111 network interface card to be measured.The technical solution passes through tune
Whole differential switch establishes the company of the network transmission signal between JLAN91C111 standard network interface card and different JLAN91C111 network interface card to be measured
It connects, the mass communication function detection of JLAN91C111 network interface card to be measured is realized, to alleviate existing in the prior art
The technical problem of LAN91C111 network interface card functional test difficulty, improves the volume production efficiency of network card chip.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of JLAN91C111 network interface card test device provided in an embodiment of the present invention；
Fig. 2 is the flow chart of JLAN91C111 network card testing method provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, the function of JLAN91C111 network card chip is more complex, it is difficult to realize the chip before factory functional verification and
Test, seriously limits the volume production efficiency of network card chip, is based on this, a kind of JLAN91C111 network interface card provided in an embodiment of the present invention
Test device and its test method can alleviate the technology of LAN91C111 network interface card functional test difficulty existing in the prior art
Problem.
Referring to Fig. 1, the schematic diagram of JLAN91C111 network interface card test device provided in an embodiment of the present invention.The embodiment of the present invention
The JLAN91C111 network interface card test device of offer, including standard network interface card unit, the Date Conversion Unit and to be measured being sequentially connected
Network interface card unit.
Standard network interface card unit includes the PowerPC minimum system being connected and JLAN91C111 standard network interface card；Data conversion
Unit is the differential switch being connected between standard network interface card unit and network interface card unit to be measured；Network interface card unit to be measured includes being sequentially connected with
DSP minimum system, CPLD gate array and JLAN91C111 network interface card to be measured.PowerPC minimum system passes through with DSP minimum system
Pci bus connection, the data interaction between control command and two units for receiving PowerPC, JLAN91C111 standard
Network interface card is connect by differential switch with JLAN91C111 network interface card to be measured, and differential switch circuit realizes network by switched differential pair
The switching that transmission signal connects between standard network interface card unit and multi-disc network card chip to be measured.
Wherein, PowerPC minimum system include Power PC Processor and PowerPC-DDR2 connected to it and
PowerPC-FLASH；DSP minimum system includes dsp chip and DSP-DDR2 connected to it and DSP-FLASH.In CPLD
In gate array program, it is assigned with different operation address for different network card chips to be measured, therefore, DSP minimum system can lead to
It crosses and accesses different addresses to operate corresponding JLAN91C111 network card chip.
Further, in JLAN91C111 network interface card test device provided in an embodiment of the present invention, Power PC Processor is
MPC5121E chip, the chip are a 32 embedded multi-core processor chips, total comprising 32bit/33MHz PCI all the way
Line.MPC5121E is based on e300 core, has good computing function, is mainly used for automotive electronics and consumer electronics, including need
It is connected to the network, the embedded solution of image and graphical user interface.
Further, in JLAN91C111 network interface card test device provided in an embodiment of the present invention, dsp chip is used
TMS320C6416 chip, clock frequency have the direct memory access controller of extension, have up to 600MHz
The master/slave interface of the PCI of 32bit/33MHz, 3.3V, the interface meet PCI standard 2.2 editions.
Further, in JLAN91C111 network interface card test device provided in an embodiment of the present invention, CPLD gate array is used
EPM1270T144 chip, the chip have power supply circuit construction simple, the advantage more than I/O interface quantity.
Further, in JLAN91C111 network interface card test device provided in an embodiment of the present invention, differential switch is used
TS3DV20812 differential signal selection switch, TS3DV20812 differential signal selection switch is a kind of transmission speed up to 2Gbps
Differential signal select switch, support the two-way conversion that 4 groups of differential signals are provided.
MAC(Media layer is integrated on JLAN91C111 network card chip) and PHY(physical layer), meet IEEE802.3/
802.U-100Base-Tx/10Base-T specification.
Referring to fig. 2, the flow chart of JLAN91C111 network card testing method provided in an embodiment of the present invention.The embodiment of the present invention
A kind of test method based on JLAN91C111 network interface card test device is provided, is included the following steps:
A. the PowerPC minimum system in standard network interface card unit by adjusting differential switch establish JLAN91C111 standard network interface card with
Network transmission signal connection between first JLAN91C111 network interface card to be measured；
B.PowerPC minimum system controls the card start-up network communication of JLAN91C111 standard network；
The PowerPC minimum system of c.JLAN91C111 standard network interface card passes through pci bus and JLAN91C111 network interface card unit to be measured
The DSP minimum system of connection carries out data interaction, and whether the network communication function for detecting JLAN91C111 network interface card to be measured is normal；
D. after the completion of network communication function test, PowerPC minimum system is again by adjusting difference in standard testing network interface card unit
Switch-dividing establish JLAN91C111 standard network interface card and under network transmission signal between a piece of JLAN91C111 network interface card to be measured connect；
E. step b to step d is repeated, until JLAN91C111 network interface card to be measured all complete by detection, in CPLD gate array journey
In sequence, it is assigned with different operation address for different network card chips to be measured, therefore, DSP minimum system can be by accessing not
With address operate corresponding JLAN91C111 network card chip.
JLAN91C111 network interface card test device and its test method provided by the embodiment of the present invention, device include sequentially phase
Standard network interface card unit, Date Conversion Unit and network interface card unit to be measured even；Standard network interface card unit includes the PowerPC being connected
Minimum system and JLAN91C111 standard network interface card；Date Conversion Unit be connected to standard network interface card unit and network interface card unit to be measured it
Between differential switch；Network interface card unit to be measured includes sequentially connected DSP minimum system, CPLD gate array and JLAN91C111 to be measured
Network interface card；PowerPC minimum system is connect with DSP minimum system by pci bus, and JLAN91C111 standard network card is opened by difference
Pass is connect with JLAN91C111 network interface card to be measured.The technical solution by adjusting differential switch establish JLAN91C111 standard network interface card with
Network transmission signal connection between different JLAN91C111 network interface cards to be measured, realizes the mass of JLAN91C111 network interface card to be measured
Communication function detection, to alleviate the technical problem of LAN91C111 network interface card functional test difficulty existing in the prior art, mentions
The high volume production efficiency of network card chip.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (6)
1. a kind of JLAN91C111 network interface card test device, which is characterized in that including be sequentially connected standard network interface card unit, data turn
Change unit and network interface card unit to be measured；
The standard network interface card unit includes the PowerPC minimum system being connected and JLAN91C111 standard network interface card；The data
Converting unit is the differential switch being connected between the standard network interface card unit and the network interface card unit to be measured；The network interface card to be measured
Unit includes sequentially connected DSP minimum system, CPLD gate array and JLAN91C111 network interface card to be measured；
The PowerPC minimum system is connect with the DSP minimum system by pci bus, the JLAN91C111 standard network
Card is connect by the differential switch with JLAN91C111 network interface card to be measured；
Wherein, the PowerPC minimum system include Power PC Processor and PowerPC-DDR2 connected to it and
PowerPC-FLASH；The DSP minimum system includes dsp chip and DSP-DDR2 connected to it and DSP-FLASH.
2. network interface card test device according to claim 1, which is characterized in that the Power PC Processor is MPC5121E
Chip.
3. network interface card test device according to claim 1, which is characterized in that the dsp chip uses TMS320C6416 core
Piece.
4. network interface card test device according to claim 1, which is characterized in that the CPLD gate array uses
EPM1270T144 chip.
5. network interface card test device according to claim 1, which is characterized in that the differential switch is poor using TS3DV20812
Sub-signal selection switch.
6. a kind of test method based on JLAN91C111 network interface card test device described in claim 1, which is characterized in that packet
It includes:
A. the PowerPC minimum system in standard network interface card unit by adjusting differential switch establish JLAN91C111 standard network interface card with
Network transmission signal connection between first JLAN91C111 network interface card to be measured；
B.PowerPC minimum system controls the card start-up network communication of JLAN91C111 standard network；
The PowerPC minimum system of c.JLAN91C111 standard network interface card passes through pci bus and JLAN91C111 network interface card unit to be measured
The DSP minimum system of connection carries out data interaction, and whether the network communication function for detecting JLAN91C111 network interface card to be measured is normal；
D. after the completion of network communication function test, PowerPC minimum system is again by adjusting difference in standard testing network interface card unit
Switch-dividing establish JLAN91C111 standard network interface card and under network transmission signal between a piece of JLAN91C111 network interface card to be measured connect；
E. step b to step d is repeated, until JLAN91C111 network interface card to be measured all complete by detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811029323.8A CN109347693A (en) | 2018-09-05 | 2018-09-05 | A kind of JLAN91C111 network interface card test device and its test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811029323.8A CN109347693A (en) | 2018-09-05 | 2018-09-05 | A kind of JLAN91C111 network interface card test device and its test method |
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| CN109347693A true CN109347693A (en) | 2019-02-15 |
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| CN201811029323.8A Withdrawn CN109347693A (en) | 2018-09-05 | 2018-09-05 | A kind of JLAN91C111 network interface card test device and its test method |
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| CN1627234A (en) * | 2003-12-09 | 2005-06-15 | 海信集团有限公司 | A circuit for implementing communication for interface of wireless network card |
| CN101882099A (en) * | 2009-05-06 | 2010-11-10 | 鸿富锦精密工业（深圳）有限公司 | Network card test system and method |
| CN103955418A (en) * | 2014-04-10 | 2014-07-30 | 龙芯中科技术有限公司 | Method and system for testing network card chip |
| US20140269390A1 (en) * | 2013-03-15 | 2014-09-18 | Ixia | Control plane packet traffic statistics |
| CN107908511A (en) * | 2017-11-13 | 2018-04-13 | 上海斐讯数据通信技术有限公司 | ACPI test methods, test machine and the system of a kind of network interface card |
-
2018
- 2018-09-05 CN CN201811029323.8A patent/CN109347693A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1627234A (en) * | 2003-12-09 | 2005-06-15 | 海信集团有限公司 | A circuit for implementing communication for interface of wireless network card |
| CN101882099A (en) * | 2009-05-06 | 2010-11-10 | 鸿富锦精密工业（深圳）有限公司 | Network card test system and method |
| US20140269390A1 (en) * | 2013-03-15 | 2014-09-18 | Ixia | Control plane packet traffic statistics |
| CN103955418A (en) * | 2014-04-10 | 2014-07-30 | 龙芯中科技术有限公司 | Method and system for testing network card chip |
| CN107908511A (en) * | 2017-11-13 | 2018-04-13 | 上海斐讯数据通信技术有限公司 | ACPI test methods, test machine and the system of a kind of network interface card |
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Application publication date: 20190215 |