CN111274187A - 1553B and serial port communication module based on FPGA - Google Patents
1553B and serial port communication module based on FPGA Download PDFInfo
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- CN111274187A CN111274187A CN202010063087.2A CN202010063087A CN111274187A CN 111274187 A CN111274187 A CN 111274187A CN 202010063087 A CN202010063087 A CN 202010063087A CN 111274187 A CN111274187 A CN 111274187A
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- 238000004891 communication Methods 0.000 title claims abstract description 29
- 238000002955 isolation Methods 0.000 claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 230000008878 coupling Effects 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- 230000003287 optical effect Effects 0.000 claims abstract description 11
- 230000015654 memory Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 13
- 230000006870 function Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0026—PCI express
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The invention discloses a 1553B and serial port communication module based on an FPGA (field programmable gate array), which comprises an FPGA unit, a 1553B bus transceiver, a 1553B bus isolation transformer, an optical coupling isolation circuit, a multi-protocol serial port transceiver, a FLASH circuit, an SDRAM circuit and a power supply conversion circuit. The FPGA can realize conversion from an FC-AE-1553B bus to an MIL _ STD _1553B bus and a serial port bus through design, the 1553B bus transceiver converts Manchester II biphase data into 1553B differential signals, the 1553B bus isolation transformer realizes isolation of 1553B signals, the optocoupler isolation circuit realizes input and output isolation of the serial port signals, the multi-protocol serial port transceiver realizes conversion from serial TTL signals to RS422/RS485/RS232 signals, the FLASH circuit is used for configuring an FPGA chip, and the SDRAM provides a storage function for FPGA design. The power conversion circuit converts the working voltage required by the module. The 1553B and serial port bus communication module based on KINTEX series FPGA has the characteristics of flexible design, low power consumption, strong real-time property, high reliability and the like.
Description
Technical Field
The invention belongs to the technical field of severe environment resistant computers, and particularly relates to the field of MIL-STD-1553B and serial port communication.
Background
1553B (MIL-STD-1553 for short) is the first military data bus standard established in the 80 th century in the United states, and is a serial data bus. The data bus has the characteristics of bidirectional output, real-time performance and high reliability, and is widely applied to military aircrafts, vehicles and ships. In an MIL-STD-1553 BUs communication system, a BUs interface board is a key part of the system, and at present, 1553B buses widely applied to 1553B buses, 1553B BUs communication modules applied in China mostly adopt 1553B protocol chips to develop relevant designs, such as 1553B protocol chips BU-61580 of U.S. DDC company, although the chips can complete protocol functions, the chips are expensive and poor in flexibility, and the weak points limit the design capability to a certain extent, so that a new data BUs interface design scheme based on FPGA is provided, and the MIL-STD-1553 communication function is realized by designing the FPGA.
With the development of communication technology, due to rate limitation of serial buses MIL-STD-1553, RS232, RS422 and RS485, a bus with higher rate and high stability is required to meet the requirement of a space system, and a new system is compatible with the traditional MIL-STD-1553 equipment and serial equipment to realize stable upgrade of a communication system. The module can realize the conversion of an FC-AE-1553 bus to MIL-STD-1553 and serial port signals through the programmable design of the FPGA, namely the improvement on the bus performance is met, and the compatibility of some traditional designs is also realized.
Disclosure of Invention
The invention aims to provide a 1553B and serial port communication interface module which is miniaturized, has low power consumption and is suitable for severe environments.
The technical solution for realizing the purpose of the invention is as follows: A1553B and serial port communication module based on an FPGA comprises a programmable logic device FPGA, a power supply conversion module, an SDRAM chip, a FLASH chip, a 1553 bus transceiver, an optical coupling isolation device and an isolation transformer. The module can realize communication with a host through a PCIe bus, can realize external communication through an MIL-STD-1553B, and is connected to an FPGA (field programmable gate array) for improving the flexibility of design. In FPGA design, an FC-AE-1553 is used for converting into an MIL-STD-1553B protocol bridge IP to realize an MIL-STD-1553 function, and meanwhile, an FC-AE-1553 is used for converting into a serial port IP (based on FC-AE-1553) to realize 4 high-performance UART functions. The 1553 bus transceiver is connected with the isolation transformer to realize 1553 bus output, the optocoupler isolation device is connected with the multi-protocol serial port transceiver to realize RS232/422/485 serial port bus output, the SDRAM chip provides a cache memory for the FPGA chip, the FLASH chip provides a configuration storage space for the FPGA, and the power supply conversion module provides required voltage for the board.
Compared with the prior art, the invention has the following remarkable advantages: 1) the invention adopts XINLINX K7 series FPGA to realize the communication function of an MIL-STD-1553 bus and a serial port bus, has the characteristics of low power consumption, small volume, low cost and flexible realization, and can be used as a bridging design to realize the conversion of an FC-AE-1553 bus to a 1553B bus and the serial port bus; 2) the device effectively isolates external signal interference through the optical coupling isolation module, and improves reliability; 3) the device adopts a severe-resistant reinforced computer structure and adopts the technologies of integral brazing, module three-proofing coating and silica gel encapsulation, thereby ensuring that the device can adapt to various severe environments.
The present invention is described in further detail below with reference to the attached drawing figures.
Drawings
Fig. 1 is a schematic block diagram of a 1553B and serial port communication module based on an FPGA.
Fig. 2 is a schematic block diagram of FPGA-based 1553B and serial communication module core chip FPGA design.
Detailed Description
The invention relates to a 1553B and serial port module based on FPGA (field programmable gate array), which is combined with a figure and comprises a core device FPGA chip (4), and a power conversion module (1), an SDRAM chip (2), a FLASH chip (3), a 1553 bus transceiver (5) and an optical coupling isolation device (7) which are interconnected with the core device FPGA chip, the FPGA chip (4) realizes conversion from an FC-AE-1553 bus to an MIL _ STD _1553B and serial port signals, a 1553 bus transceiver (5) is simultaneously connected with an isolation transformer (6) to realize 1553B bus output, an optical coupling isolation device (7) is simultaneously connected with a multi-protocol serial port transceiver (8) to realize RS232/422/485 serial port bus output, an SDRAM2 chip provides a cache memory for the FPGA chip (4), a FLASH chip (3) provides a configuration storage space for the FPGA chip (4), a power module (1) provides working voltage required by FPGA, and an isolation power supply (9) provides isolation electric ground for isolating the serial port signals.
The FPGA chip (4) is manufactured by adopting a Kintex-7 series XC7K410 chip of XINLINX company and adopting a high-performance and low-power consumption 28nm process, and the 406720 logic unit and the 1540DSP chips can provide low-cost serial connectors, memories and logic performance and realize the optimal balance of signal processing performance, power consumption and cost.
The 1553 bus transceiver (5) adopts a HI-1573 and low-power CMOS transceiver of HOLT company, can convert Manchester II biphase data into differential signals to drive a bus isolation coupling transformer, and simultaneously converts 1553 bus biphase differential signals into CMOS/TTL signals to be input into a Manchester decoder, and is suitable for an MIL-STD-1553 bus.
The 1553B bus isolation transformer (6) adopts B3226 of DDC company to realize direct coupling output of 1553B signals.
The optical coupling isolation device (7) adopts HCPL-0930 of AVAGO company to realize serial port signal isolation.
The multi-protocol serial port transceiver (8) adopts a multi-protocol transceiver MAX3160 of Maxim company. MAX3160 may be configured as a 2TX/2RXRS232 interface or 1 separate RS485/R22 interface through programmable pins.
The SDRAM (2) adopts a MICRON MT47H128M16, a 2Gb RAM with 16 bits and working voltage of 1.8V and is used for FPGA cache.
The FLASH chip (3) is selected from N25Q128 and 128Mb of MICRON company and is used for FPGA chip configuration.
The isolation power supply (9) adopts a DC/DC isolation device, the input voltage and the output voltage are both 3.3V, and an isolation electric ground is provided for the isolated serial port signal.
The power supply module (1) adopts LTM4633 and 2 TPS74401 power conversion chips. The LTM4633 has an input voltage of 12V, output voltages of 1V, 1.8V and 3.3V, an input voltage of 1 TPS74401 of 1.8V and an output voltage of 1.0V, and the other TPS74401 has an input voltage of 1.8V and an output voltage of 1.2V.
The invention adopts XINLINX K7 series FPGA to realize the communication function of the MIL-STD-1553 bus and the serial port bus, and has the characteristics of low power consumption, small volume, low cost and flexible realization.
As described in more detail below.
As shown in fig. 1, the invention discloses a 1553B and serial port module based on an FPGA, which comprises a core device FPGA chip, and a power conversion module, an SDRAM chip, a FLASH chip, a 1553 bus transceiver and an optical coupling isolation device which are interconnected with the FPGA chip, wherein the FPGA chip realizes the conversion of FC-AE-1553 bus to MIL _ STD _1553B and serial port signals, the 1553 bus transceiver is simultaneously connected with an isolation transformer to realize 1553B bus output, the optical coupling isolation device is simultaneously connected with a multi-protocol serial port transceiver to realize RS232/422/485 serial port bus output, the SDRAM2 chip provides a cache memory for the FPGA chip, the FLASH chip provides a configuration storage space for the FPGA chip, the power module provides working voltage required by the FPGA, and the isolation power supply provides isolation ground for isolating the serial port signals.
As shown in FIG. 2, the FPGA design uses FC-AE-1553 to convert MIL-STD-1553B protocol bridge IP to realize MIL-STD-1553 function, and simultaneously uses FC-AE-1553 to convert serial port IP (based on FC-AE-1553) to realize 4 high-performance UART functions.
The invention adopts XINLINX K7 series FPGA to realize the communication function of the MIL-STD-1553 bus and the serial port bus, and has the characteristics of low power consumption, small volume, low cost and flexible realization.
Claims (10)
1. A1553B and serial port communication module based on FPGA is characterized by comprising a core device FPGA (4), a power conversion module (1), an SDRAM chip (2), a FLASH chip (3), a 1553 bus transceiver (5) and an optical coupling isolation device (7) which are interconnected, wherein the FPGA (4) realizes the conversion of an FC-AE-1553 bus to an MIL _ STD _1553B bus signal and a serial port bus signal, the 1553 bus transceiver (5) is simultaneously connected with an isolation transformer (6) to realize 1553B bus isolation output, the optical coupling isolation device (7) is simultaneously connected with a multi-protocol serial port transceiver (8) to realize RS232/422/485 serial port signal conversion, the SDRAM (2) chip provides a cache memory for the FPGA chip (4), the FLASH chip (3) provides a configuration storage space for the FPGA (4), the power conversion module (1) provides working voltage for the FPGA, the isolation power supply (9) provides an isolation serial port signal and provides an isolation electric ground.
2. The FPGA-based 1553B and serial communication module of claim 1, wherein the FPGA (4) is fabricated using a Kintex-7 series XC7K410 chip from xinlinax corporation, using a high performance, low power consumption 28nm process, 406720 logic cells, 1540DSP chips, providing low cost serial connectors, memory and logic performance, and achieving an optimal balance of signal processing performance, power consumption and cost.
3. The FPGA-based 1553B and serial communication module of claim 1, wherein the 1553 bus transceiver (5) is implemented as a HI-1573, low power CMOS transceiver from HOLT corporation, capable of converting the Manchester II biphase data into differential signals to drive the bus isolation coupling transformer, and converting the 1553 bus biphase differential signals into CMOS/TTL signals for input to the Manchester decoder, and is adapted for the MIL-STD-1553 bus.
4. The 1553B and serial port communication module based on FPGA of claim 1, wherein the 1553B bus isolation transformer (6) adopts B3226 of DDC company to realize the isolated coupling output of 1553B signals.
5. The 1553B and serial port communication module based on FPGA of claim 1, wherein the optical coupling isolation device (7) adopts HCPL-0930 of AVAGO company to realize serial port signal isolation.
6. The 1553B and serial port communication module based on FPGA of claim 1, wherein the multi-protocol serial port transceiver (8) is MAX 3160. MAX3160 may be configured as a 2TX/2RX RS232 interface or 1 separate RS485/R422 interface through programmable pins.
7. The 1553B and serial port communication module based on FPGA of claim 1, wherein the SDRAM (2) adopts MICRON MT47H128M16, 2Gb RAM, 16 bits, working voltage 1.8V for FPGA buffer.
8. The 1553B and serial port communication module based on FPGA of claim 1, wherein the FLASH chip (3) is selected from N25Q128A and 128Mb of MICRON company for FPGA chip configuration.
9. The 1553B and serial port communication module based on FPGA of claim 1, wherein the isolation power supply (9) adopts a DC/DC isolation device to provide an isolation electric ground for isolating serial port signals.
10. The FPGA-based 1553B and serial port communication module of claim 1, wherein the power supply module (1) is selected from power conversion chips of LTM4633 manufactured by LINEAR and TPS74401 manufactured by TI. LTM4633 has input voltage of 12V and output voltages of 1V, 1.8V and 3.3V; 2 TPS74401 is adopted, wherein one input voltage is 1.8V, the output voltage is 1.0V, the other input voltage is 1.8V, and the output voltage is 1.2V.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010063087.2A CN111274187A (en) | 2020-01-20 | 2020-01-20 | 1553B and serial port communication module based on FPGA |
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| CN202010063087.2A CN111274187A (en) | 2020-01-20 | 2020-01-20 | 1553B and serial port communication module based on FPGA |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654506A (en) * | 2020-06-17 | 2020-09-11 | 江西洪都航空工业集团有限责任公司 | Miniaturized general type forwarding control box |
| CN114189403A (en) * | 2021-10-25 | 2022-03-15 | 天津市英贝特航天科技有限公司 | FPGA-based electric communication bus and optical fiber bus conversion module |
| CN114978317A (en) * | 2021-02-24 | 2022-08-30 | 北京石竹科技股份有限公司 | Method for realizing 1553B bus long-distance transmission through optical fiber |
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| CN106201946A (en) * | 2016-06-29 | 2016-12-07 | 北京航天自动控制研究所 | A kind of satellite borne electronic system data interface based on FPGA and DSP |
| CN109450759A (en) * | 2018-11-29 | 2019-03-08 | 北京计算机技术及应用研究所 | A kind of system of FC-AE-1553 Bus Control Node equipment |
| CN209606971U (en) * | 2019-04-19 | 2019-11-08 | 湖北三江航天万峰科技发展有限公司 | Integrate the cpci bus equipment of a variety of communication functions |
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- 2020-01-20 CN CN202010063087.2A patent/CN111274187A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106201946A (en) * | 2016-06-29 | 2016-12-07 | 北京航天自动控制研究所 | A kind of satellite borne electronic system data interface based on FPGA and DSP |
| CN109450759A (en) * | 2018-11-29 | 2019-03-08 | 北京计算机技术及应用研究所 | A kind of system of FC-AE-1553 Bus Control Node equipment |
| CN209606971U (en) * | 2019-04-19 | 2019-11-08 | 湖北三江航天万峰科技发展有限公司 | Integrate the cpci bus equipment of a variety of communication functions |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111654506A (en) * | 2020-06-17 | 2020-09-11 | 江西洪都航空工业集团有限责任公司 | Miniaturized general type forwarding control box |
| CN114978317A (en) * | 2021-02-24 | 2022-08-30 | 北京石竹科技股份有限公司 | Method for realizing 1553B bus long-distance transmission through optical fiber |
| CN114978317B (en) * | 2021-02-24 | 2023-12-22 | 北京石竹科技股份有限公司 | Method for realizing 1553B bus remote transmission through optical fiber |
| CN114189403A (en) * | 2021-10-25 | 2022-03-15 | 天津市英贝特航天科技有限公司 | FPGA-based electric communication bus and optical fiber bus conversion module |
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