CN202331274U - AMC (Advanced Mezzanine Card) board card structure based on MicroTCA (Micro Telecom Computing Architecture) standard - Google Patents

Abstract

The utility model relates to an AMC (Advanced Mezzanine Card) board card structure based on a MicroTCA (Micro Telecom Computing Architecture) standard. The AMC board card structure comprises an AMC board card and an MCH (Metal Ceramic Heater) board card arranged on a MicroTCA standard system back board. The AMC board card structure is characterized by further comprising an SRIO (Serial Rapid Input/Output) exchange chip, an MMC (Multi Media Card) chip and DSP (Digital Signal Processing) chips, wherein data processing channels and AMC board card interconnected channels are arranged on the SRIO exchange chip; the quantity of the data processing channels is equal to that of the DSP chips; the data processing channels are connected with the DSP chips; the AMC board card interconnected channels are connected onto the back board through an AMC connector; the MMC chip adopts an ARM (Advanced Reduced Instruction Set Computer Machines) singlechip chip which is connected with the MCH board card through an IPMI (Intelligent Platform Management Interface); and the DSP chips are connected onto the ARM singlechip chip through a UART (Universal Asynchronous Receiver/Transmitter). According to the AMC board card structure disclosed by the utility model, resource space of the MCH is saved; the resource allocation of the system is balanced; the bandwidth can be flexibly configured and is increased or decreased in due time; the stability and the reliability of the system and the flexibility of the configuration are enhanced; and the design requirement of telecommunication equipment in high-definition era is met.

Description

AMC integrated circuit board structure based on the MicroTCA standard

Technical field:

The utility model relates to a kind of carrier-class data processing equipment, particularly a kind of AMC integrated circuit board structure based on the MicroTCA standard.

Background technology:

MicroTCA is the middle low-cost device standard of the PICMG of international organization definition on ATCA (the Advanced Telecom and Computing Architecture) basis of PICMG 3.0 definition, is one of telecommunications of new generation and the most important industrial standard of computer equipment.

As the popular modularized hardware platform standard of current industry--replenishing of AdvanedTCA standard; What MicroTCA hardware technology standard was primarily aimed at is the application of network service, medical imaging processing, embedded Control and military project etc.; The advantage of aspects such as its high bandwidth, modularization, dirigibility and high performance-price ratio; Applied to more application fields, become the preferred standard of current structure high performance-price ratio modularization standard hardware platform.Referring to accompanying drawing 1, it is a MicroTCA device structure schematic block diagram, mainly comprises cabinet, backboard, power supply, two radiator fans, 1～12 AMC (Advanced Mezzanine Card) integrated circuit board and 1～2 MCH (Metal Ceramics Heater); Its structure is: the general AC/DC power module of independence that two-way carries the Oring circuit is installed on the cabinet; DC-DC power supply, load power source systems and management power-supply system are arranged on the backboard, and wherein load power source systems and management power-supply system all has the hot plug function and by the break-make on controlled each road of MCH; Two-way independent current source module will be imported power source conversion and become 12V to offer load power source system and DC-DC power supply on the backboard, and DC-DC power module output 3.3V power supply is given the managing electrical power system; The managing electrical power system exports the 3.3V power supply along separate routes and supplies with each MCH and AMC integrated circuit board; The load power source system exports the 12V power supply along separate routes and supplies with each MCH, AMC integrated circuit board and radiator fan.Related services such as AMC integrated circuit board main processing data stream adopt the wide overall height physical size of list in the AMC.0 standard; MCH can manage and control 12 AMC integrated circuit boards simultaneously as the support plate concentrator, has the function that system management and data are handed over, and has adopted the identical physical size with AMC.

Though the MicroTCA standard is not made concrete regulation to system interconnect, be the double star structure of the star-like or Redundancy Design of data switching center's node with MCH at present, just like become a kind of construction standard of industry.The equipment of this structure; Nearly all stream data transmission between the AMC integrated circuit board all needs the participation of MCH; Particularly at present high definition video etc. is in the development of line service, and the data volume that data processing equipment need be handled sharply expands, and a lot of professional not single AMC integrated circuit boards can independently be accomplished; Often need the collaborative work of many integrated circuit boards, this has further increased the weight of the burden of MCH transmitting data stream undoubtedly; Add the extremely lack of uniformity of this data stream on the time distributes, make that when data volume increased severely, the resource consumption of MCH was huge, had seriously compressed its resource space.This topological structure has greatly been given prominence to the importance of MCH; Exposed day by day goes out the contradiction that its resource is nervous relatively and portfolio grows with each passing day, and system's long-time steady operation has been brought challenge, in case MCH breaks down; Total system will be paralysed, and is particularly particularly like this when heavy traffic.

Under the MicroTCA standard; The physical dimension of MCH and interface resource etc. are all comparatively limited; Switching centre as data stream; MCH is last must to design the profuse switch circuit of SRIO (Serial Rapid I/O) interface, generally needs tens to up to a hundred passages, to set up the interconnected topology between 12 AMC integrated circuit boards.So not only takies the limited space resources of MCH, increased design difficulty and integrated circuit board power consumption, and in case design is accomplished, and interconnected SRIO port number just is fixed up between the AMC integrated circuit board, can't flexible configuration, HardwareUpgring then the cycle oversize, cost is too high.These factors all are unfavorable for the popularization and the use of product.

In MicroTCA equipment, the AMC integrated circuit board is the place of real data streams.Current, along with the development of online HD video business and multi-media communication, the lack of uniformity on rapid increase of the data volume that makes telecommunication apparatus to handle and the life period, professional processing often needs the collaborative completion of polylith integrated circuit board.Therefore, provide a kind of can making to set up the SRIO topological structure between the AMC integrated circuit board, directly carry out the transmission and the exchange of data stream, seem very necessary.

Summary of the invention:

The data movement capacity that the technical matters that the utility model solves provides a kind of MicroTCA of raising equipment is the processing power of HD video particularly, a kind of AMC integrated circuit board structure based on the MicroTCA standard of the stability of enhanced system, reliability and dirigibility.

The technical scheme that its technical matters of the utility model solution is taked is: a kind of AMC integrated circuit board structure based on the MicroTCA standard; Comprise the AMC integrated circuit board and the MCH integrated circuit board that are arranged on the MicroTCA modular system backboard; Also include SRIO exchange chip, MMC (Multi Media Card) chip and DSP (Digital Signal Processing) chip on the said AMC integrated circuit board; Wherein, comprise data processing channel, AMC integrated circuit board interconnecting channels on the said SRIO exchange chip, said data processing channel is identical with dsp chip quantity; Data processing channel connects dsp chip, and said AMC integrated circuit board interconnecting channels is connected on the backboard through the AMC connector; Said MMC chip adopts ARM (Adwanced RISC Machines) singlechip chip, and the ARM singlechip chip is connected with the MCH integrated circuit board through IPMI (Intellingent Platform Management Interface); Said dsp chip is connected on the ARM singlechip chip through UART (Universal Asynchronous Receiver Transmitter).

Further, said dsp chip can substitute with cpu chip.

Further again, also be provided with reserved passageway on the said SRIO exchange chip, can flexible configuration, increase and decrease bandwidth in good time.

The channel resource of the SRIO exchange chip on the described AMC integrated circuit board is abundant, not only leaves the individual passage of N (N generally gets even number, is convenient to the flexible configuration of SRIO port width) and is used between integrated circuit board interconnectedly, but also will link to each other with every processor in the integrated circuit board; The MMC chip is set up through IPMI and MCH and is communicated by letter, and informs the work at present state and the relevant information of integrated circuit board, the while it also each chip in the integrated circuit board is carried out control and management, as reset, communication, electrifying timing sequence etc.

Each AMC integrated circuit board is all set up interconnectedly with M integrated circuit board through backboard, M should get even number, in order that improve interconnected dirigibility, reduces topological difficulty, complete certainly when interconnected M may not be even number; Interconnecting channels number between per two integrated circuit boards is K, and the relational expression that satisfies between K, M, the N so is: N >=K * M, for making full use of of resource, get the situation that equal sign is set up when generally planning.

Along with the arrival in high definition epoch, many telecom carrier-class devices all require to possess the ability that the military tactic is handled mass data, like the encoding and decoding of audio frequency and video, data encryption conversion etc.And because the HD video data stream has outstanding features such as mass data, lack of uniformity, two-forty, be that the star-like or double star structure that Centroid is responsible for data stream exchange and distribution demonstrates its drawback day by day with the MCH integrated circuit board.The present invention adopts the high speed interconnection technique Serial RapidIO interface of new generation of RapidIO employer's organization exploitation to set up the topological structure between the AMC integrated circuit board; Not only transfer rate is high to be this interface, and the flexible configuration that is easily understood, and each passage has only one one to receive two pairs of high-speed differential signals; The all right flexible configuration of a plurality of passages; SELCH x1 is to the different port width of x16, and the topological structure by this high-speed interface is set up has discharged the software and hardware pressure that MCH faced effectively; Strengthen stability, reliability and the configuration flexibility of system, solved the problem that telecommunication apparatus of new generation faces well.

After adopting said structure; Be characterized in: the utility model is rebuild the backboard topological structure of MicroTCA equipment; With being the star-like or double star structure that Centroid is responsible for data stream exchange and distribution between the AMC integrated circuit board originally with the MCH integrated circuit board; Be designed to directly carry out the transmission and the exchange of data stream by the SRIO topological structure of setting up between the AMC integrated circuit board.The software and hardware pressure that this design proposal will concentrate on the MCH node directly is distributed on each AMC integrated circuit board, has saved the resource space of MCH integrated circuit board; Simultaneously the AMC integrated circuit board is that a kind of function ratio is more single, and the integrated circuit board that resource is abundant relatively, the SRIO interconnecting channels of reservation can flexible configuration, increase and decrease bandwidth in good time; When the system upgrade data-handling capacity, also only need design again and plan the AMC integrated circuit board, and the original MCH of unlikely influence.SRIO topological structure between the AMC integrated circuit board of the utility model makes the resources allocation of system balanced more, and stability, reliability and dirigibility improve greatly, adapt to very much the designing requirement of high definition epoch telecommunication apparatus.

Description of drawings:

Below in conjunction with accompanying drawing and embodiment the utility model is further specified.

Fig. 1 is a MicroTCA device structure schematic block diagram.

Fig. 2 is an AMC integrated circuit board structural representation in the utility model;

Fig. 3 is the AMC integrated circuit board structural representation that the utility model is implemented 12 passages of SRIO exchange chip employing in the row;

Fig. 4 is the SRIO topological structure synoptic diagram between the AMC integrated circuit board in the utility model;

Fig. 5 is the SRIO topological structure synoptic diagram between another kind of AMC integrated circuit board in the utility model practical implementation;

Fig. 6 is the SRIO topological structure synoptic diagram between the third AMC integrated circuit board in the utility model practical implementation row.

Embodiment:

A kind of AMC integrated circuit board structure shown in Figure 2 based on the MicroTCA standard; Comprise the AMC integrated circuit board and the MCH integrated circuit board that are arranged on the MicroTCA modular system backboard; Also include SRIO exchange chip, MMC (Multi Media Card) chip and DSP (Digital Signal Processing) chip on the said AMC integrated circuit board; Wherein, comprise data processing channel, AMC integrated circuit board interconnecting channels on the said SRIO exchange chip, said data processing channel is identical with dsp chip quantity; Data processing channel connects dsp chip, and said AMC integrated circuit board interconnecting channels is connected on the backboard through the AMC connector; Said MMC chip adopts ARM (Adwanced RISC Machines) singlechip chip, and the ARM singlechip chip is connected with the MCH integrated circuit board through IPMI (Intellingent Platform Management Interface); Said dsp chip is connected on the ARM singlechip chip through UART (Universal Asynchronous Receiver Transmitter); The ARM singlechip chip is as the MMC chip unit of AMC integrated circuit board; Communicate by letter with MCH foundation through IPMI; And inform the work at present state and the relevant information of integrated circuit board, it also carries out the keyholed back plate reason to each chip in the integrated circuit board simultaneously, as reset, communication, electrifying timing sequence etc.

Further, said dsp chip can substitute with cpu chip.

Further again, also be provided with reserved passageway on the said SRIO exchange chip, can flexible configuration, increase and decrease bandwidth in good time.

A kind of AMC integrated circuit board connected mode based on the MicroTCA standard shown in Figure 3 wherein, comprises an ARM singlechip chip, three dsp chips and has the SRIO exchange chip of 12 passages on the AMC integrated circuit board; Said SRIO exchange chip is selected the exchange chip with 12 passages for use; The sequence number of interchange channel successively from 0 to 11, wherein, " 0～2 " is data processing channel; The dsp chip that promptly is connected with data processing channel is three, is respectively DSP0, DSP1, DSP2; " 3 " are reserved passageway, and " 4～11 " are AMC integrated circuit board interconnecting channels, and the AMC integrated circuit board interconnects through AMC integrated circuit board interconnecting channels on backboard, said on backboard interconnective AMC integrated circuit board be at least three.

Shown in Figure 4 on backboard interconnective AMC integrated circuit board be three; AMC integrated circuit board numbering on these three backboards is followed successively by 1,2,3; Eight AMC integrated circuit board interconnecting channels are linked to each other with two other AMC integrated circuit boards successively, show as each AMC integrated circuit board adjacent with its left and right sides and be connected, the AMC integrated circuit board interconnecting channels number between per two AMC integrated circuit boards is four; Form full interconnect architecture, concrete implementation is: to establish SRIO interconnected with AMC integrated circuit board 2,3 respectively for AMC integrated circuit board 1; To establish SRIO interconnected with AMC integrated circuit board 1,3 respectively for AMC integrated circuit board 2; To establish SRIO interconnected with AMC integrated circuit board 1,2 respectively for AMC integrated circuit board 3.

Shown in Figure 5 on backboard interconnective AMC integrated circuit board be 12; AMC integrated circuit board numbering on these 12 backboards is followed successively by 1-12; 12 AMC integrated circuit boards form a loop; Eight AMC integrated circuit board interconnecting channels are linked to each other with four other AMC integrated circuit boards successively, show as each two AMC integrated circuit boards adjacent with its left and right sides and be connected, the AMC integrated circuit board interconnecting channels number between per two AMC integrated circuit boards is two; Concrete implementation is: to establish SRIO interconnected with AMC integrated circuit board 11,12,2,3 respectively for AMC integrated circuit board 1; To establish SRIO interconnected with AMC integrated circuit board 12,1,3,4 respectively for AMC integrated circuit board 2; To establish SRIO interconnected with AMC integrated circuit board 1,2,4,5 respectively for AMC integrated circuit board 3; To establish SRIO interconnected with AMC integrated circuit board 2,3,5,6 respectively for AMC integrated circuit board 4; To establish SRIO interconnected with AMC integrated circuit board 3,4,6,7 respectively for AMC integrated circuit board 5; To establish SRIO interconnected with AMC integrated circuit board 4,5,7,8 respectively for AMC integrated circuit board 6; To establish SRIO interconnected with AMC integrated circuit board 5,6,8,9 respectively for AMC integrated circuit board 7; To establish SRIO interconnected with AMC integrated circuit board 6,7,9,10 respectively for AMC integrated circuit board 8; To establish SRIO interconnected with AMC integrated circuit board 7,8,10,11 respectively for AMC integrated circuit board 9; To establish SRIO interconnected with AMC integrated circuit board 8,9,11,12 respectively for AMC integrated circuit board 10; To establish SRIO interconnected with AMC integrated circuit board 9,10,12,1 respectively for AMC integrated circuit board 11; To establish SRIO interconnected with AMC integrated circuit board 10,11,1,2 respectively for AMC integrated circuit board 12.

Shown in Figure 6 on backboard interconnective AMC integrated circuit board be 12; AMC integrated circuit board numbering on these 12 backboards is followed successively by 1-12; 12 AMC integrated circuit boards form a loop; AMC integrated circuit board interconnecting channels is linked to each other with eight other AMC integrated circuit boards successively, show as each four AMC integrated circuit boards adjacent with its left and right sides and be connected, the AMC integrated circuit board interconnecting channels number between per two AMC integrated circuit boards is one; Concrete implementation is: to establish SRIO interconnected with AMC integrated circuit board 9,10,11,12,2,3,4,5 respectively for AMC integrated circuit board 1; To establish SRIO interconnected with AMC integrated circuit board 10,11,12,1,3,4,5,6 respectively for AMC integrated circuit board 2; To establish SRIO interconnected with AMC integrated circuit board 11,12,1,2,4,5,6,7 respectively for AMC integrated circuit board 3; To establish SRIO interconnected with AMC integrated circuit board 12,1,2,3,5,6,7,8 respectively for AMC integrated circuit board 4; To establish SRIO interconnected with AMC integrated circuit board 1,2,3,4,6,7,8,9 respectively for AMC integrated circuit board 5; To establish SRIO interconnected with AMC integrated circuit board 2,3,4,5,7,8,9,10 respectively for AMC integrated circuit board 6; To establish SRIO interconnected with AMC integrated circuit board 3,4,5,6,8,9,10,11 respectively for AMC integrated circuit board 7; To establish SRIO interconnected with AMC integrated circuit board 4,5,6,7,9,10,11,12 respectively for AMC integrated circuit board 8; To establish SRIO interconnected with AMC integrated circuit board 5,6,7,8,10,11,12,1 respectively for AMC integrated circuit board 9; To establish SRIO interconnected with AMC integrated circuit board 6,7,8,9,11,12,1,2 respectively for AMC integrated circuit board 10; To establish SRIO interconnected with AMC integrated circuit board 7,8,9,10,12,1,2,3 respectively for AMC integrated circuit board 11; To establish SRIO interconnected with AMC integrated circuit board 8,9,10,11,1,2,3,4 respectively for AMC integrated circuit board 12.

Claims (3)

1. AMC integrated circuit board structure based on the MicroTCA standard; Comprise the AMC integrated circuit board and the MCH integrated circuit board that are arranged on the MicroTCA modular system backboard; It is characterized in that: also include SRIO exchange chip, MMC chip and dsp chip on the said AMC integrated circuit board; Wherein, comprise data processing channel, AMC integrated circuit board interconnecting channels on the said SRIO exchange chip, said data processing channel is identical with dsp chip quantity; Data processing channel connects dsp chip, and said AMC integrated circuit board interconnecting channels is connected on the backboard through the AMC connector; Said MMC chip adopts the ARM singlechip chip, and the ARM singlechip chip is connected with the MCH integrated circuit board through IPMI; Said dsp chip is connected on the ARM singlechip chip through UART.

2. a kind of AMC integrated circuit board structure based on the MicroTCA standard according to claim 1 is characterized in that: said dsp chip can substitute with cpu chip.

3. a kind of AMC integrated circuit board structure based on the MicroTCA standard according to claim 1 is characterized in that: also be provided with reserved passageway on the said SRIO exchange chip.

Images