CN220108004U - A429 and A717 bus communication board card of MPCIE specification - Google Patents
A429 and A717 bus communication board card of MPCIE specification Download PDFInfo
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- CN220108004U CN220108004U CN202223224427.9U CN202223224427U CN220108004U CN 220108004 U CN220108004 U CN 220108004U CN 202223224427 U CN202223224427 U CN 202223224427U CN 220108004 U CN220108004 U CN 220108004U
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Abstract
The utility model provides an A429 and A717 bus communication board card of MPCIE specification, comprising: the device comprises a field programmable device, a nonvolatile flash memory, an encryption chip, a Mini PCIE bus interface, a static random access memory, an ARINC429 transmitting module, an ARINC429 receiving module, an ARINC429 and ARINC717 receiving and transmitting module, a bus signal acquisition module, a signal level converter, a power management module and a connector. The A429 and A717 bus communication board card with MPCIE specification is a Mini PCIE specification, and can realize a configurable mode of sending and receiving ARINC429 and ARINC717 through a field programmable control device. The performance and the functions of the board card can meet the requirements of the current avionics system.
Description
Technical Field
The utility model relates to the technical field of avionic network communication, in particular to an A429 and A717 bus communication board of MPCIE specification, namely an ARINC429 and ARINC717 bus communication board of Mini PCIE specification.
Background
The ARINC429 bus specification is called ARINC429 bus, and the ARINC429 bus is a serial standard and is an interface-oriented unidirectional broadcast transmission bus. Only one transmitter is allowed on the bus, but there may be a maximum of 20 receivers. A transmitter and one or more receivers are defined on a bus and operate in a symmetrical balanced manner with respect to differential output; the data is transmitted asynchronously by using twisted pair shielded wires, and the bus distinguishes between devices and signal names by using a flag codeword. The standard is used for enabling the physical and electrical characteristics of equipment interchangeability to be standardized to the greatest extent, perfecting the system requirements and achieving the compatibility of ground and airborne equipment.
ARINC717 specifies the ARINC of the American Airake company, which is commonly named as aviation radio communication company Aeronautical Radio Inc., established on 12 th month 2 of 1929, built by the joint investment of four aviation companies at that time, FRC by the Federal radio management Commission at that time, and then authorized by the Federal communication management Commission, and is responsible for "managing and certifying the radio communication work of the aviation company independently of the only coordination outside the government" ARINC specifies various specification standards in the aviation field and is widely adopted worldwide, ARINC717 is the latest standard specified by the ARINC company in terms of flight data recording. The ARINC717 development history flight data recording device goes through the history of from FDR analog to DFDR digital and the fast access recorder QAR disc records to the wireless access recorder WQAR wireless automatic download data, and the corresponding flight data recording standard goes through the process from ARINC542 to ARINC573 and finally to ARINC 717. It can be easily understood that the data format of the FDR record is ARINC542, the data specifications of the DFDR record are ARINC573 and 717, and the qar and WQAR are new recording devices that occur in recent years, and the adopted specifications are also that the arrangement format of the data recorded by ARINC717 is called a "frame" structure, which is a unit of information recording, and the frame starts with a sync word, so as to ensure that the recorded data is not confused.
With the development of aerospace technology, the amount of information data exchanged by an avionics system is increasingly large, and a single protocol bus board card is difficult to meet the development requirement of the avionics system. Therefore, a board card supporting a multi-protocol bus needs to be developed, and along with the development of the times, the requirements of people on portable equipment are higher and higher, so that the development of ARINC429 and ARINC717 bus communication boards supporting the Mini PCIE specification of the multi-protocol has great significance; the Mini PCIE specification is hereinafter referred to as MPCIE specification.
Disclosure of Invention
In order to solve the application requirements of the portable equipment, the handheld equipment and the small embedded system on the ARINC429 bus, improve the bus bandwidth of a host interface and realize the communication requirements of a multi-protocol interface, the device is conveniently applied to various industrial tablet computers with MPCIE slots, fanless industrial personal computers, reinforced handheld tablet computers and small embedded systems.
The A429 and A717 bus communication board of MPCIE specification comprises: the device comprises a field programmable device, a nonvolatile flash memory, an encryption chip, a Mini PCIE bus interface, a static random access memory, an ARINC429 transmitting module, an ARINC429 receiving module, an ARINC429 and ARINC717 receiving and transmitting module, a bus signal acquisition module, a signal level converter, a power management module and a connector;
the field programmable device is connected with the nonvolatile flash memory, the encryption chip, the Mini PCIE bus interface, the static random access memory, the ARINC429 sending module, the ARINC429 receiving module, the ARINC429 and ARINC717 receiving and sending module, the bus signal acquisition module, the signal level converter and the power management module to realize overall control;
and the nonvolatile flash memory is connected with the field programmable device and the power management module and is used for storing the FPGA programming file.
The encryption chip is connected with the field programmable control device and the power management module and is used for encryption transmission of line data and safe storage of keys;
the Mini PCIE bus interface is connected with the field programmable device and the power management module to realize communication of the Mini PCIE bus interface;
the static random access memory is connected with the field programmable device and the power management module to realize the cache of ARINC429 and ARINC717 bus messages;
the ARINC429 transmitting module is connected with the field programmable device, the ARINC429 receiving module, the connector and the power management module;
the ARINC429 receiving module is connected with the field programmable device, the ARINC429 sending module, the connector and the power management module, and the ARINC429 receiving module realizes four transceiving configurable ARINC429 channels together;
ARINC429 and ARINC717 transceiver module, connect field programmable device, interface unit, power management module, realize two-way ARINC429 receives, sends the configurable channel, can also realize ARINC717 receives, sends the configurable channel through the logic;
the bus signal acquisition module is connected with the field programmable device, the ARINC429 transmitting module, the ARINC429 receiving module, the connector and the power management module, and two paths of ARINC429 bus signals passing through the connector enter the field programmable device after being processed by the bus signal acquisition module;
the signal level converter is connected with the field programmable device, the connector and the power management module and is used for realizing external custom trigger configuration;
and the connector is connected with the ARINC429 transmitting module, the ARINC429 receiving module, the ARINC429 and ARINC717 receiving and transmitting module, the signal level converter and the power management module, and provides an external ARINC429 bus signal interface, ARINC717 bus signal interface and a discrete IO external interface for the ARINC429 bus communication board card and the ARINC717 bus communication board card of the MPCIE specification.
The power management module is connected with the field programmable device, the nonvolatile flash memory, the encryption chip, the Mini PCIE bus interface, the static random access memory, the ARINC429 sending module, the ARINC429 receiving module, the ARINC429 and ARINC717 receiving and sending module, the bus signal acquisition module, the signal level converter and the connector and is used for providing corresponding voltages required for the ARINC429 and ARINC717 bus communication board card of the MPCIE specification;
ARINC429 and ARINC717 transceiver modules comprise ARINC429 transmitting unit, ARINC429 receiving unit, ARINC717 transmitting unit, and ARINC717 receiving unit; the first four channels may be configured as ARINC429 receiving channels and ARINC429 transmitting channels; the latter two paths can be configured as ARINC429 receiving channel and ARINC429 sending channel, and also can be configured as ARINC717 receiving channel and ARINC717 sending channel; the first two ARINC429 channels support the signal acquisition function.
The beneficial effects of the utility model are as follows: the A429 and A717 bus communication board card of MPCIE specification can provide 6 channels for receiving and transmitting ARINC429, can be configured as 4 channels ARINC429 receiving and transmitting configuration, and 2 channels ARINC717 receiving and transmitting configuration according to the actual demands of customers, can meet the requirements of communication, test and data analysis of ARINC429 buses, can also meet the requirements of communication, test and data analysis of A717 buses, and also supports signal acquisition of the first two channels. The board card can support ARINC429 and ARINC717 bus protocols, standard ARINC429 data rate and custom data rate, the custom data rate can reach 200Kbps, periodic and non-periodic message transmission, bus signal acquisition, error injection, error detection, IRIG-B DC hardware decoding, automatic data rate detection at a receiving end, data playback, label or SDI message filtering, and three receiving modes including queue, sampling and multi-channel cache.
The transmit channel supports periodic and non-periodic messages, with the period size and message interval time being software programmable. The receiving channel can support three message buffering modes of queue, sampling and multi-channel buffering simultaneously. The interrupt queue is used for realizing the interaction of software and hardware, and the lossless buffering of the messages is realized when all channels work simultaneously.
As an MPCIE board card with standard specification, the method is suitable for testing and simulating the portable ARINC429 bus and ARINC717 bus, and can complete electrical and protocol simulation tests and ARINC 429429 bus error injection. The board card supports a high-speed host interface, an onboard SRAM cache and independently developed protocol processing IPCORE, and ensures real-time data receiving and transmitting of multiple ARINC429 channels.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
Fig. 1 is a block diagram of an a429 and a717 bus communication board according to the MPCIE standard.
Detailed Description
As shown in FIG. 1, the utility model provides a structural block diagram of an A429 and A717 bus communication board with MPCIE specification. The A429 and A717 bus communication board of MPCIE specification comprises: the device comprises a field programmable device 1, a nonvolatile flash memory 2, a encryption chip 3, a Mini PCIE bus interface 4, a static random access memory 5, an ARINC429 transmitting module 6, an ARINC429 receiving module 7, an ARINC429 receiving module 8, an ARINC717 receiving module 8, a bus signal acquisition module 9, a signal level converter 10, a power management module 12 and a connector 13.
The field programmable device 1 is connected with the nonvolatile flash memory 2, the encryption chip 3, the Mini PCIE bus interface 4, the static random access memory 5, the ARINC429 transmitting module 6, the ARINC429 receiving module 7, the ARINC429 receiving module 8, the ARINC717 receiving and transmitting module 8, the bus signal acquisition module 9, the signal level converter 10, the power management module 12 and the connector 13, so that overall control is realized.
The nonvolatile flash memory 2 is connected with the field programmable device 1 and the power management module 12 and is used for storing FPGA programming files.
The encryption chip 3 is connected with the field programmable control device 1 and the power management module 12 and is used for encryption transmission of line data and safe storage of keys;
the Mini PCIE bus interface 4 is connected with the field programmable device 1 and the power management module 12 to realize communication of the Mini PCIE bus interface;
the static random access memory 5 is connected with the field programmable device 1 and the power management module 12 to realize the cache of ARINC429 and ARINC717 bus messages;
the ARINC429 transmitting module 6 is connected with the field programmable device 1, the ARINC429 receiving module 7, the connector 11 and the power management module 12;
the ARINC429 receiving module 7 is connected with the field programmable device 1, the ARINC429 sending module 6, the connector 11 and the power management module 12, and realizes four transceiving configurable ARINC429 channels together with the ARINC429 receiving module 6;
ARINC429 and ARINC717 transceiver module 8 connect field programmable device 1, connector 11, power management module 12, realize two-way ARINC429 receives, sends the configurable channel, can also realize ARINC717 receives, sends the configurable channel through the logic;
the bus signal acquisition module 9 is connected with the field programmable device 1, the ARINC429 sending module 6, the ARINC429 receiving module 7, the connector 11 and the power management module 12, and comprises two operational amplifiers and a high-speed high-precision ADC with a sampling clock of 125MHz and 14 bits, and is used for realizing signal acquisition of the ARINC429 bus waveforms of the first two channels;
the signal level converter 10 is connected with the field programmable device 1, the connector 11 and the power management module 12 and is used for realizing the free configuration of 8 paths of TTL I and O;
a connector 11, which connects the ARINC429 transmitting module 6, the ARINC429 receiving module 7, the ARINC429 and ARINC717 receiving and transmitting module 8, the signal level converter 10 and the power management module 12, and is an ARINC429 bus interface and an external triggering interface outside the ARINC429 and ARINC717 bus communication board card pair of the MPCIE specification;
the power management module 12 is connected with the field programmable device 1, the nonvolatile flash memory 2, the encryption chip 3, the Mini PCIE bus interface 4, the static random access memory 5, the ARINC429 sending module 6, the ARINC429 receiving module 7, the ARINC429 and 717 receiving and transmitting modules 8, the bus signal acquisition module 9, the signal level converter 10 and the connector 11 and is used for providing corresponding voltages required by the ARINC429 and ARINC717 bus communication boards of the MPCIE specification;
the ARINC429 and ARINC717 transceiver module 8 includes an ARINC429 transmitting unit, an ARINC429 receiving unit, an ARINC717 transmitting unit, and an ARINC717 receiving unit; the first four channels may be configured as ARINC429 receiving channels and ARINC429 transmitting channels; the latter two paths can be configured as ARINC429 receiving channel and ARINC429 sending channel, and also can be configured as ARINC717 receiving channel and ARINC717 sending channel; the first two ARINC429 channels support the signal acquisition function.
The A429 and A717 bus communication board cards of MPCIE specification, the ARINC429 transceiver module 7 and the ARINC429 transmitting module 6 can form three modes to work, and the communication board cards comprise: ARINC429 signal unidirectional transmission, ARINC429 signal unidirectional reception and ARINC429 signal board card internal spontaneous self-reception; the ARINC429 and ARINC717 transceiver modules can realize 2 kinds of bus communication, and the ARINC429 can realize configurable transmission and reception through logic control, and the ARINC717 can also realize configurable transmission and reception through logic control.
ARINC429 signal receiving and transmitting rate supports 500bps to 200kbps;
unidirectional transition delay of ARINC429 signal path: 1.5ms or less at a communication rate of 500bps or less at a communication rate of 100kbps or less than 10us or 6us or less at a communication rate of 200 kbps.
Advantageous effects
The beneficial effects of the utility model are as follows: the utility model provides an A429 and A717 bus communication board with MPCIE specification, wherein ARINC429 bus communication equipment adopts a field programmable control device, and ARINC429 signal communication is realized by controlling an ARINC429 receiving module, an ARINC429 transmitting module, ARINC429 and ARINC717 receiving and transmitting modules and a synchronous static random access memory. The ARINC429 receive and transmit module portion may be configured by hardware to: ARINC429 signal unidirectional transmission mode, ARINC429 signal unidirectional receiving mode, ARINC429 signal bidirectional transmission and receiving mode. The ARINC429 and ARINC717 transceiver modules can logically realize the ARINC429 sending and receiving modes, and can logically realize the A717 sending and receiving modes; the performance and the functions of the board card can meet the requirements of the current avionics system.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.
Claims (2)
1. An a429 and a717 bus communication board card according to the MPCIE specification, which is characterized in that:
the A429 and A717 bus communication board of MPCIE specification comprises: the device comprises a field programmable device, a nonvolatile flash memory, an encryption chip, a Mini PCIE bus interface, a static random access memory, an ARINC429 transmitting module, an ARINC429 receiving module, an ARINC429 and ARINC717 receiving and transmitting module, a bus signal acquisition module, a signal level converter, a power management module and a connector;
the field programmable device is connected with the nonvolatile flash memory, the encryption chip, the MiniPCE bus interface, the static random access memory, the ARINC429 transmitting module, the ARINC429 receiving module, the ARINC429 and ARINC717 receiving and transmitting module, the bus signal acquisition module, the signal level converter and the power management module to realize overall control;
the nonvolatile flash memory is connected with the field programmable device and the power management module and is used for storing FPGA programming files;
the encryption chip is connected with the field programmable control device and the power management module and is used for encryption transmission of line data and safe storage of keys;
the Mini PCIE bus interface is connected with the field programmable device and the power management module to realize communication of the Mini PCIE bus interface;
the static random access memory is connected with the field programmable device and the power management module to realize the cache of ARINC429 and ARINC717 bus messages;
the ARINC429 transmitting module is connected with the field programmable device, the ARINC429 receiving module, the connector and the power management module;
the ARINC429 receiving module is connected with the field programmable device, the ARINC429 sending module, the connector and the power management module, and the ARINC429 receiving module realizes four transceiving configurable ARINC429 channels together;
ARINC429 and ARINC717 transceiver module, connect field programmable device, interface unit, power management module, realize two-way ARINC429 receives, sends the configurable channel, or realize ARINC717 receives, sends the configurable channel through the logic;
the bus signal acquisition module is connected with the field programmable device, the ARINC429 transmitting module, the ARINC429 receiving module, the connector and the power management module, and two paths of ARINC429 bus signals passing through the connector enter the field programmable device after being processed by the bus signal acquisition module;
the signal level converter is connected with the field programmable device, the connector and the power management module and is used for realizing external custom trigger configuration;
a connector, which is connected with the ARINC429 transmitting module, the ARINC429 receiving module, the ARINC429 and ARINC717 receiving and transmitting module, the signal level converter and the power management module, and provides an external ARINC429 bus signal interface, ARINC717 bus signal interface and a discrete IO external interface for the ARINC429 and ARINC717 bus communication board card of MPCIE specification;
the power management module is connected with the field programmable device, the nonvolatile flash memory, the encryption chip, the Mini PCIE bus interface, the static random access memory, the ARINC429 sending module, the ARINC429 receiving module, the ARINC429 and ARINC717 receiving and sending module, the bus signal acquisition module, the signal level converter and the connector and is used for providing corresponding voltages required for the ARINC429 and ARINC717 bus communication board card of the MPCIE specification.
2. The MPCIE-specification a429 and a717 bus communication board according to claim 1, wherein:
ARINC429 and ARINC717 transceiver modules comprise ARINC429 transmitting unit, ARINC429 receiving unit, ARINC717 transmitting unit, and ARINC717 receiving unit; the first four channels may be configured as ARINC429 receiving channels and ARINC429 transmitting channels; the latter two paths may be configured as an ARINC429 receiving channel, an ARINC429 transmitting channel, or an ARINC717 receiving channel, an ARINC717 transmitting channel; the first two ARINC429 channels support the signal acquisition function.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223224427.9U CN220108004U (en) | 2022-12-02 | 2022-12-02 | A429 and A717 bus communication board card of MPCIE specification |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223224427.9U CN220108004U (en) | 2022-12-02 | 2022-12-02 | A429 and A717 bus communication board card of MPCIE specification |
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| CN220108004U true CN220108004U (en) | 2023-11-28 |
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| CN202223224427.9U Active CN220108004U (en) | 2022-12-02 | 2022-12-02 | A429 and A717 bus communication board card of MPCIE specification |
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