CN209486666U - A kind of High speed rear panel of mixing specification - Google Patents
A kind of High speed rear panel of mixing specification Download PDFInfo
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- CN209486666U CN209486666U CN201920101315.3U CN201920101315U CN209486666U CN 209486666 U CN209486666 U CN 209486666U CN 201920101315 U CN201920101315 U CN 201920101315U CN 209486666 U CN209486666 U CN 209486666U
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Abstract
Communication and radar signal acquisition store, in processing equipment, are often assemblied in one or more cabinets plus a variety of circuit-board cards for realizing different business function using an embedded board computer and cooperate.Although the bus specification for the standard of using, difference lacks versatility using the board of different core bus standards, and the signal acquisition largely customized, storage and processing board using different core bus standards in a cabinet due to that can not be worked.The utility model designs a kind of hybrid integrated backboard, several 6U cPCI slot positions and 6U VPX slot position are provided simultaneously, and cPCI slot position and VPX slot position realize that high speed interconnects by single board computer slot position, are capable of providing the backboard interconnection scheme for being provided simultaneously with middling speed and high-speed transfer.The versatility for having expanded existing board significantly has enough flexibilities.By being multiplexed ready-made board, system design can be simplified, reduce cost.
Description
Technical field
The utility model relates to communicate, the technical field of the integrated backboard of radar and industrial control equipment, it is specially a kind of
Mixing uses the High speed rear panel of cPCI specification bus and VPX specification bus.
Background technique
It in communication and radar signal acquisition, stores, in processing equipment, is often added using an embedded board computer
A variety of circuit-board cards for realizing different business function are assemblied in one or more cabinets and cooperate.Integrated backboard is applied not only to more
The assembly of block circuit board is also used to circuit board and takes electricity, mark and interconnection communication.Existing integrated backboard often follows mature rule
Model, commonly including cPCI(Compact Peripheral Component Interconnect) specification and VPX
(Versatile Protocol Switch) specification.Especially in the signal processing system and control system of large-scale complex,
Using the cPCI board and VPX board of a large amount of 6U sizes.Although VITA (VME bus International Trade
Association) VPX is positioned as to meet high reliability under adverse circumstances by tissue, and the next generation that high bandwidth requires is advanced
Computing platform standard is also used by ANSI (American National Standards Institute), meaning
Be the development trend of future signal processing platform using VPX specification, but still remained in reality and largely meet cPCI standard
Board using.Although the signal acquisition largely customized, storage and processing equipment use the bus specification of standard, adopt
It can not still be worked in a cabinet with the board of different bus standard, having in turn resulted in existing equipment can not be in new system
Multiplexing, reduces veneer versatility.
Therefore, it is necessary to the definition for each bus slot be standardized according to cPCI specification and VPX, in conjunction with single board computer
Peripheral Interface extended capability designs a kind of mixed at high speed backboard, can assemble the single board computer and industry for meeting cPCI specification
Business board, can also assemble the board for meeting VPX specification, while provide the interconnection capability of high speed and middling speed, have enough spirits
Activity can be multiplexed ready-made board, and then simplify system design, reduce cost.
Utility model content
It is total using cPCI specification bus and VPX specification that the technical problem to be solved by the utility model is to provide a kind of mixing
The High speed rear panel of line can assemble the single board computer and business board for meeting cPCI specification, can also assemble and meet VPX rule
The board of model, and the backboard interconnection scheme of middling speed and high speed is provided.For this purpose, the utility model adopts the following technical solution:
A kind of High speed rear panel of mixing specification, including, meet the first core bus of the first specification, meets the second specification
Second core bus, computer slot position, several first slot positions, several second slot positions and power input terminal；
First slot position is interconnected by first core bus；
Second slot position is interconnected by second core bus；
The computer slot position is connect with first core bus, and the computer slot position and second slot position connect
It connects；
The power input terminal is the veneer power supply that the backboard and the backboard connect.
Preferably, first core bus is the core bus for meeting 6U cPCI specification.
Preferably, second core bus is the core bus for meeting 6U VPX specification.
Preferably, the computer slot position is embedded 6U cPCI single board computer slot position.
Preferably, first slot position is 6U cPCI slot position.
Preferably, second slot position is 6U VPX slot position.
Preferably, first core bus is pci bus, for connecting computer slot position and several first slot positions.
Preferably, the computer slot position and second slot position use PCIe x8,5 couples of LVDS and 2 tunnel gigabits
The connection of Ethernet Ethernet, and GPIO connection is provided, the bandwidth of connection is more than 20Gbps.
Preferably, one in several second slot positions is used to interconnect with the computer slot position, and uses between the second slot position
High Speed Serial and LVDS interconnection, interconnection total bandwidth is more than 200Gbps.
The beneficial effects of the utility model are: integrated backboard can not only due to using the technical solution of the utility model
Assembly meets the single board computer and business board of cPCI specification, can also assemble the board for meeting VPX specification.CPCI veneer and
VPX veneer by single board computer slot realize high speed interconnect, and provide PCI middling speed and High Speed Serial High speed rear panel it is mutual
Even scheme.The versatility that existing board can be expanded significantly, has enough flexibilities.It, can by being multiplexed ready-made board
Simplify system design, reduces cost.
Detailed description of the invention
Fig. 1 is the High speed rear panel composition block diagram of the mixing specification of the utility model.
Fig. 2 is the slot position composition and interconnection block diagram of the High speed rear panel of the mixing specification of the utility model.
Specific embodiment
The embodiments of the present invention are explained in detail below, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the utility model, and should not be understood as the limit to the utility model
System.
In order to fully understand the technology contents of the utility model, specific embodiment is given below, in conjunction with attached drawing to originally practical
Novel technical solution carries out more detailed introduction and explanation.
Fig. 1 is the utility model mixed at high speed backboard composition block diagram, and mixed at high speed backboard includes one and meets cPCI specification
Core bus (11), effect be realize cPCI slot position interconnection；Several cPCI slot positions are embedded cPCI veneer meter respectively
The cPCI slot position (cPCI slot position (122) ~ cPCI slot position (125)) of trough position (121) and applied business veneer is calculated, it is embedded
CPCI single board computer slot position (121) is used as the control of assembly realization system and the embedded board of management function calculates, and provides
It is interconnected between embedded board computer and VPX slot position, the cPCI slot position of applied business veneer is used as the business for meeting cPCI specification
Veneer assembly；Several are applied to the VPX slot position (VPX slot position (131) ~ VPX slot position (133)) of service board, as meeting VPX
The service board of specification assembles and the interconnection of VPX slot position and embedded board computer；And one meet VPX specification
Core bus (14), effect are to realize the interconnection of VPX slot position.
The core bus (11) for meeting cPCI specification is a pci bus, for connecting cPCI single board computer slot position
(121) with several cPCI slot positions.Pci bus can be 64 and be also possible to 32.Pci bus uses parallel interface, band
Width is in 8.512Gbps or less.
CPCI single board computer slot position (121) and VPX slot position use PCIe x8,5 couples of LVDS and 2 road Ethernet ether
Net connection, and GPIO connection is provided, the bandwidth of connection is more than 20Gbps.The slot position of interconnection need respectively to meet cPCI and
VPX specification.
One in several VPX slot positions interconnects for above-mentioned cPCI single board computer slot position (121), and between VPX slot position
It is interconnected using High Speed Serial and LVDS, interconnects total bandwidth far more than 200Gbps.
Mixed at high speed backboard is also needed comprising power input terminal (15), is that backboard and all veneers are powered.
Fig. 2 furthermore presents the slot position composition and interconnection block diagram of mixed at high speed backboard.Slot1 ~ Slot3 is 6U VPX slot
, it is mainly interconnected using the differential pair for meeting specification between VPX slot position, therefore be connected to the high speed serial port more than 42 pairs and 64
Pair LVDS.As long as existing or newly-designed service board meets VPX specification (using differential pair transmission), may fitted to
These slot positions.Under conditions of serial port speed is greater than 5Gbps, total bandwidth is far more than 200Gbps.
4 ~ Slot of Slot 8 is 6U cPCI slot position, and the PCI for standardizing the J1 and J2 that define between these slot positions by cPCI is total
Line connection.As long as existing or newly-designed service board meets cPCI specification, it may fitted to these slot positions, and design
J3, J4 and J5 reservations, then more improve versatility.Pci bus highest frequency is 133MHz, if using 64 BITBUS networks,
Then total bandwidth is 8.512Gbps.
Slot 2 and cPCI is interconnected by between 1 ~ Slot of VPX slot position Slot 3 and 4 ~ Slot of cPCI slot position Slot 8
The interconnection of single board computer slot position Slot 4 is realized.Wherein the VPX_J1 of the cPCI_J5 and Slot 2 of Slot 4 connect 8x's
The VPX_J4 of the cPCI_J5 and Slot 2 of PCIe, Slot 4 is separately connected 8 GPIO and 5 couple of LVDS, the cPCI_J3 of Slot 4
The gigabit Ethernet Ethernet on 2 tunnels is connect with the VPX_J4 of Slot 2.If slot position Slot 8 needs data being dealt into slot position
Slot 3, then data pass through pci bus first and are dealt into Slot 4 from Slot 8, Slot 4 by PCIe or LVDS or
Data are dealt into Slot 2 by Ethernet, and data are dealt into Slot3 by High Speed Serial or LVDS by last Slot2.
Mixed at high speed backboard described in the utility model can not only assemble the single board computer and industry for meeting cPCI specification
Business board, can also assemble the board for meeting VPX specification.CPCI veneer and VPX veneer are realized high by single board computer slot
Speed interconnection, and provide the middling speed of PCI and the High speed rear panel interconnection scheme of High Speed Serial.The logical of existing board can be expanded significantly
With property, have enough flexibilities.By being multiplexed ready-made board, system design can be simplified, reduce cost.
It should be understood that the above-described angle from specific embodiment is further to the technology contents of the utility model
Ground discloses, and its object is to allow everybody to be easier to understand the content of the utility model, but does not represent the embodiment party of the utility model
Formula and rights protection are confined to this.Scope of protection of the utility model is illustrated in the appended claims, all practical new at this
Obvious modification within the objective of type, also should be attributed within the protection of the utility model.
Claims (9)
1. it is a kind of mixing specification High speed rear panel, which is characterized in that the backboard include meet the first specification the first backboard it is total
Line meets the second core bus of the second specification, computer slot position, several first slot positions, several second slot positions and power supply
Input terminal；
First slot position is interconnected by first core bus；
Second slot position is interconnected by second core bus；
The computer slot position is connect with first core bus, and the computer slot position is connect with second slot position；
The power input terminal is the veneer power supply that the backboard and the backboard connect.
2. a kind of High speed rear panel of mixing specification as described in claim 1, which is characterized in that first core bus is symbol
Close the core bus of 6U cPCI specification.
3. a kind of High speed rear panel of mixing specification as described in claim 1, which is characterized in that second core bus is symbol
Close the core bus of 6U VPX specification.
4. a kind of High speed rear panel of mixing specification as described in claim 1, which is characterized in that the computer slot position is insertion
Formula 6U cPCI single board computer slot position.
5. a kind of High speed rear panel of mixing specification as described in claim 1, which is characterized in that first slot position is 6U
CPCI slot position.
6. a kind of High speed rear panel of mixing specification as described in claim 1, which is characterized in that second slot position is 6U VPX
Slot position.
7. a kind of High speed rear panel of mixing specification as described in claim 1, which is characterized in that first core bus is
Pci bus, for connecting computer slot position and several first slot positions.
8. a kind of High speed rear panel of mixing specification as described in claim 1, which is characterized in that the computer slot position with it is described
Second slot position is connected using PCIe x8,5 couples of LVDS and 2 tunnel gigabit Ethernet Ethernets, and provides GPIO connection, connection
Bandwidth is more than 20Gbps.
9. a kind of High speed rear panel of mixing specification as described in claim 1, which is characterized in that one in several second slot positions
It for being interconnected with the computer slot position, and is interconnected between the second slot position using High Speed Serial and LVDS, interconnection total bandwidth is more than
200Gbps。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920101315.3U CN209486666U (en) | 2019-01-22 | 2019-01-22 | A kind of High speed rear panel of mixing specification |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920101315.3U CN209486666U (en) | 2019-01-22 | 2019-01-22 | A kind of High speed rear panel of mixing specification |
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| CN209486666U true CN209486666U (en) | 2019-10-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955619A (en) * | 2019-11-22 | 2020-04-03 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Combined complete machine system based on standard bus architecture and construction method |
-
2019
- 2019-01-22 CN CN201920101315.3U patent/CN209486666U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955619A (en) * | 2019-11-22 | 2020-04-03 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Combined complete machine system based on standard bus architecture and construction method |
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