CN103616935A

CN103616935A - Embedded computer mainboard

Info

Publication number: CN103616935A
Application number: CN201310649297.XA
Authority: CN
Inventors: 柴志雷; 阳文敏; 王芝斌; 丁帅
Original assignee: Jiangnan University
Current assignee: Jiangsu Hujiachong Computer Technology Co ltd
Priority date: 2013-12-06
Filing date: 2013-12-06
Publication date: 2014-03-05
Anticipated expiration: 2033-12-06
Also published as: CN103616935B

Abstract

The invention relates to the field of computer hardware, belongs to the field of embedded circuit boards, and particularly relates to an embedded computer mainboard. After the embedded computer mainboard is carried with a CPU core board, the system performance, the processing capacity and the reliability of an embedded computer can be improved, expandability is good, and system performance is improved. The embedded computer mainboard comprises a mainboard body and is characterized in that two core board inserting grooves are formed in the mainboard body, and peripheral circuits and peripheral interfaces are arranged on the mainboard body, wherein the peripheral circuits and peripheral interfaces are matched with the core board inserting grooves.

Description

A kind of embedded computer board

Technical field

The present invention relates to computer hardware field, belong to embedded circuit board field, be specially a kind of embedded computer board.

Background technology

Along with producing scientific and technological development ,going deep into of machine vision flow of research, in the process field of image/video, people are to the demand of image video and audio disposal system is increasing cheaply at a high speed, also more and more higher to the requirement of embedded computer board.Tradition embedded computer system mainboard generally has base plate and single risc processor, as ARM, PowerPC, or DSP, the core boards such as FPGA form, major part is integrated in above base plate, and function is a bit single, can not meet the occasion that data volume is large, function is complicated, again owing to can not be split, very flexible, poor expandability, can only use unitary core plate, can not only change core board, under the occasion of product renewal upgrading or increase in demand, need to change whole system mainboard, cause unnecessary waste, cost increases, and cost performance is lower.

Summary of the invention

For above-mentioned technical matters to be solved, the invention provides a kind of embedded computer board, after carrying core cpu plate, can improve embedded computer system performance, processing power and reliability, extensibility is good, improves the performance of system.

Its technical scheme is such: a kind of embedded computer board, it comprises mainboard, it is characterized in that, two core board slots are set on described mainboard, and peripheral circuit and the external interface coordinating with described core board slot is set on described mainboard.

It is further characterized in that, a described core board slot is comprised of two row 35x2 slots, two row's 17x2 slots and a row 10x2 slot, and described in another, core board slot is comprised of three row 50x2 slots;

The described core board slot being comprised of two row 35x2 slots, two row's 17x2 slots and a row 10x2 slot is ARM core board slot, and the described core board slot being comprised of three row 50x2 slots is fpga core plate slot;

Control between described ARM core board slot and described fpga core plate slot and data communication adopt EBI(External Bus Interface) bus interface, by SPI mode, configure;

Described peripheral circuit comprises power circuit, level shifting circuit, and buzz circuit, system time keeps power-supplying circuit;

Described external interface comprises SDcard interface, LCD interface, four serial interfaces, USB interface, MINIUSB interface, Audio interface, three RS-232 interface, RS-485 interface, hundred Broadcom interfaces, three CAMERA interfaces, CAMERA LINK interface, VPIF(Video Port Interface) interface, PCI-Express interface;

Described ARM core board slot connects described SDcard interface, LCD interface, CAMERA interface, four serial interfaces, USB interface, MINIUSB interface, Audio interface, three RS-232 interface, RS-485 interface and hundred Broadcom interfaces, and described fpga core plate slot connects described two CAMERA interfaces, CAMERA LINK interface, VPIF(Video Port Interface) interface and PCI-Express interface.

Adopt after structure of the present invention, on mainboard, do not carry any core board, but can carry as required the different types of core board of different model, as long as pinout meets the definition of this mainboard, after the core board that carries Heterogeneous Computing class, can improve embedded computer system performance, processing power and reliability, extensibility is good, improves the performance of system, this mainboard also has abundant peripheral circuit and external interface, can meet the application of multiple occasion.

Accompanying drawing explanation

Fig. 1 is embedded computer board one-piece construction block diagram.

Embodiment

As shown in Figure 1, a kind of embedded computer board, it comprises mainboard, and two core board slots are set on mainboard, and peripheral circuit and the external interface coordinating with core board slot is set on mainboard, a core board slot is comprised of two row 35x2 slots, two row's 17x2 slots and a row 10x2 slot, and another core board slot is comprised of three row 50x2 slots, the core board slot 1 being comprised of two row 35x2 slots, two row's 17x2 slots and a row 10x2 slot is ARM core board slot, and the core board slot 2 being comprised of three row 50x2 slots is fpga core plate slot, control between ARM core board slot and fpga core plate slot and data communication adopt EBI(External Bus Interface) bus interface, by SPI mode, configure, two core board slots also can be used other core board, as long as interface definition meets mainboard and can use, peripheral circuit comprises power circuit, level shifting circuit, and system time keeps power-supplying circuit (battery circuit), buzz circuit, external interface comprises SDcard interface, LCD interface, four serial interfaces, USB interface, MINIUSB interface, Audio interface, three RS-232 interface, RS-485 interface, hundred Broadcom interfaces, three CAMERA interfaces, CAMERA LINK interface, VPIF(Video Port Interface) interface, PCI-Express interface, ARM core board slot connects SDcard interface, LCD interface, CAMERA interface, four serial interfaces, USB interface, MINIUSB interface, Audio interface, three RS-232 interface, RS-485 interface and hundred Broadcom interfaces, and fpga core plate slot connects two CAMERA interfaces, CAMERA LINK interface, VPIF(Video Port Interface) interface and PCI-Express interface, SDcard interface on the one hand can be as system input, starts information data that on the other hand also can storage system result as the system of ARM core board, LCD interface, can external-connection displayer, can be used for pilot process and the result of display system operation, can observe easily the effect after system is processed such as image/video, CAMERA interface, can connect outside camera, as the image/video input of system, CAMER LINK interface is also to connect outside camera, as the input of system, RS-232 and RS-485 interface, for communicating by letter of outside and ARM core board system, USB interface and MINIUSB rich interface the interface of mainboard, compatible good, USB supports USB Host function, MINIUSB supports USB Slave function, Audio interface, can input or export to external system from external system by simulation or digital audio and video signals, hundred Broadcoms, PCI-Express interface, as the interface with outside network communication, can accept the network information, also network-connectable camera, when processing, image/video inputs as system, result can be exported to the network equipment or other equipment simultaneously, embedded computer board of the present invention is considered the feature of two kinds of core boards and the difference of deal with data bandwidth, the PCI-Express that ARM core board is connect hundred Broadcoms and FPGA system is connect, network data both can input to ARM core board also can input to fpga core plate, the function of Buzzer circuit (buzz circuit) is, when main board system power-on self-test program is moved, system can be to the main accessory such as mainboard itself or internal memory or peripherals, check, once pinpoint the problems in self check, system will provide whistling warning, also able to programmely enter design, realize certain function, power circuit is system time holding circuit, and when installing after a lithium battery to this embedded computer board, after the power down of ARM core board, the time of system etc. can be kept by this circuit supply, level shifting circuit, can be converted to the required level standard of modules the 12V power supply electrical level of computer motherboard is stable, efficiently, i.e. 1.2V, and 1.5V, 1.8V, 2.5V, 3.3V etc., this is necessary for high speed mainboard and accurate device, Buttons button is arranged at mainboard top, is six buttons, and it can realize FPGA reset function etc., at two core board slots, be provided with abundant peripheral circuit and external interface around, a plurality of peripheral hardwares that these peripheral circuits are connected with external interface, can arrange separately and use, also can combine and arrange and use, can realize better systemic-function, abundant and improve computer motherboard function, and can coordinate other core boards to form dual system, further improve the performance of computer system, reliability and stability, further increase the processing power of core board system, such as can carry fpga core plate and ARM core board on this embedded computer board simultaneously, form high performance heterogeneous computing platforms, the advantage of FPGA and ARM will be integrated, transmission and processing speed is fast, extensibility is good, realize the complementation of software and hardware system, the performance of raising system.

Embedded computer board of the present invention, the main pinout of core board slot 1 is as follows: VPIF 24 position datawires, two groups of 8 COMS CAMERA data port and control and select signal wire, selection by SPI mode active arrangement fpga core board configuration mode, sheet choosing, clock cable etc., the pin of the pin of SDcard, the pin of Buzzer, RS232 and RS485 etc. and other four UART interface pin, Ethernet network interface card pin, USB and MINIUSB etc., 6 Buttons press key control pin etc., core board slot 2 major part pinouts are as follows: the LVDS(Low Voltage Differential Signaling of CAMERA LINK) 28 input and output interfaces etc., GPMC (General Purpose Memory Controller, universal memory controller) 11 bit address lines, 16 position datawires, 7 bit slices select signal wire etc., 1 place communicates by letter with core board slot, 8 of gigabit network interface send data and receive data port, clock, control line etc., two groups of CAMERA interfaces, 24 position datawires of VPIF, 8 GPIO mouths, 12 couples of MGT(Multi-Gigabit Transceiver) differential data signals to and 4 pairs of differential clock signals pair, passive reception ARM core board is selected by the configuration mode of SPI mode, sheet choosing, clock cable etc., 4 interrupt lines, and a large amount of user-programmable I/O pin etc.

Adopt embedded computer board of the present invention, peripheral circuit is abundant, leave a large amount of external interfaces, can realize a lot of functions, can meet the application of a lot of occasions, especially, in field of machine vision, processing to image/video, perfect in shape and function, superior performance, after carrying typical core board, for convenience of describing, here we select ARM and fpga core plate, be that core board slot 1 carries ARM, core board slot 2 carries FPGA, data inputs both can initiatively be obtained image/video information by coupled CAMERA or PCI-Express obtains network image video information by FPGA, also can ARM initiatively by coupled CMOS or SDcard obtains image/video information from outside or hundred Broadcoms obtain network image video information, after pre-service or rough handling, can first be saved in the DDR on core board, through ARM and fpga core plate separately or after co-treatment completes, can be by VPIF or 100,000,000 or PCI-Express interface, LCD interface, the output of the UART such as RS232 and RS485 interface.Generally, ARM core board is as master controller fpga core plate during as coprocessor, after obtaining required information to be processed, ARM is responsible for data and the scheduling of video image processing command and the control for the treatment of scheme, FPGA is as the hardware accelerator of arm processor, FPGA is equivalent to the peripheral hardware of ARM, by EBI Interface realization, be articulated in ARM bus, and be mapped to the storage space of ARM, make ARM to send to FPGA to process data and self-defining order, the parallel logic framework of FPGA can be realized Logic Core arithmetic function, embedded hardware multiplier can be realized high speed real-time operation, embedded DSP piece can be realized parallel data at a high speed and process, finally result is exported, improved the efficiency of processor and system, the combination of FPGA and ARM integrates both advantages, transmission and processing speed is fast, extensibility is good, reliability is high, realize the complementation of software and hardware system, the performance of raising system, in parallel data in enormous quantities, need occasion to be processed, embedded computer board superior performance of the present invention.

The invention provides a kind of simple and practical embedded computer board, mainly can apply to embedded machine vision field, image/video process field use is vast, advantage is not carry on mainboard any core board, but can carry as required the different types of core board of different model, as long as the definition that pinout meets this mainboard both can, this mainboard also has abundant peripheral circuit and interface, can meet the application of multiple occasion.Especially, in image/video process field, the present invention is carried two and is had complementary functions after type core board, and as ARM and fpga core plate, to high-definition image video, the processing of broad array of network data and complicated image processing algorithm superior performance, have very large advantage.

Claims

1. an embedded computer board, it comprises mainboard, it is characterized in that, two core board slots are set on described mainboard, and peripheral circuit and the external interface coordinating with described core board slot is set on described mainboard.

2. a kind of embedded computer board according to claim 1, is characterized in that, a described core board slot is comprised of two row 35x2 slots, two row's 17x2 slots and a row 10x2 slot, and described in another, core board slot is comprised of three row 50x2 slots.

3. a kind of embedded computer board according to claim 2, it is characterized in that, the described core board slot being comprised of two row 35x2 slots, two row's 17x2 slots and a row 10x2 slot is ARM core board slot, and the described core board slot being comprised of three row 50x2 slots is fpga core plate slot.

4. a kind of embedded computer board according to claim 3, is characterized in that, the control between described ARM core board slot and described fpga core plate slot and data communication adopt EBI bus interface, by SPI mode, configure.

5. a kind of embedded computer board according to claim 4, is characterized in that, described peripheral circuit comprises power circuit, level shifting circuit, and buzz circuit, system time keeps power-supplying circuit.

6. a kind of embedded computer board according to claim 5, is characterized in that, described external interface comprises SDcard interface, LCD interface, four serial interfaces, USB interface, MINIUSB interface, Audio interface, three RS-232 interface, RS-485 interface, hundred Broadcom interfaces, three CAMERA interfaces, CAMERA LINK interface, VPIF interface, PCI-Express interface.

7. a kind of embedded computer board according to claim 6, it is characterized in that, described ARM core board slot connects described SDcard interface, LCD interface, CAMERA interface, four serial interfaces, USB interface, MINIUSB interface, Audio interface, three RS-232 interface, RS-485 interface and hundred Broadcom interfaces, and described fpga core plate slot connects described two CAMERA interfaces, CAMERA LINK interface, VPIF interface and PCI-Express interface.