CN108958406A - A kind of novel embedded computer motherboard - Google Patents

Abstract

The present invention relates to computer hardware fields, belong to embedded circuit board field, specially a kind of novel embedded computer motherboard, embedded computer system performance, processing capacity and reliability can be improved after carrying CPU core core, scalability is good, improves the performance of system, it includes mainboard, it is characterized in that, two core board slots are set on mainboard, the peripheral circuit and external interface of setting and the cooperation of core board slot on mainboard.

Description

A kind of novel embedded computer motherboard

Technical field

The present invention relates to computer hardware fields, belong to embedded circuit board field, specially a kind of novel embedded meter Calculate mainboard.

Background technique

With the development of production science and technology, machine vision flow of research gos deep into, in the process field of image/video, people couple The demand of the image video and audio processing system of high speed low cost is increasing, and the requirement to embedded computer board is also increasingly It is high.Traditional embedded computer system mainboard generally has bottom plate and single risc processor, such as ARM, PowerPC or DSP, The core boards such as FPGA composition, is largely integrated in substrate, and function is a bit single, is not able to satisfy that data volume is big, function Complicated occasion, and due to can not be split, flexibility is poor, poor expandability, can only use unitary core plate, cannot only replace core Plate needs replacing whole system mainboard under the occasion of product renewal upgrading or increase in demand, causes unnecessary waste, Increased costs, sexual valence are relatively low.

Summary of the invention

For above-mentioned technical problem to be solved, the present invention provides a kind of novel embedded computer motherboards, are taking Embedded computer system performance, processing capacity and reliability can be improved after carrying CPU core core, scalability is good, improves system The performance of system.

Its technical solution is such that a kind of novel embedded computer motherboard comprising mainboard, which is characterized in that institute Two core board slots of setting on mainboard are stated, peripheral circuit and outside of the setting with core board slot cooperation on the mainboard Interface.

It is further characterized by a core board slot is by two rows of 35x2 slots, two rows 17x2 slot and a row 10x2 slot composition, another described core board slot are made of three row's 50x2 slots；

It is ARM core board by the core board slot that two rows of 35x2 slots, two rows 17x2 slot and row's 10x2 slot form Slot is FPGA core core slot by the core board slot that three row's 50x2 slots form；

Control and data communication between the ARM core board slot and the FPGA core core slot use EBI(External Bus Interface) bus interface, it is configured by SPI mode；

The peripheral circuit includes power circuit, level shifting circuit, buzz circuit, system time holding power-supplying circuit；

The external interface includes SDcard interface, LCD interface, four serial interfaces, USB interface, MINIUSB interface, Audio interface, three RS-232 interfaces, RS-485 interface, hundred Broadcom interfaces, three CAMERA interfaces, CAMERA LINK Interface, VPIF(Video Port Interface) interface, Gigabit Ethernet interface；

The ARM core board slot connect the SDcard interface, LCD interface, a CAMERA interface, four serial interfaces, USB interface, MINIUSB interface, Audio interface, three RS-232 interfaces, RS-485 interface and hundred Broadcom interfaces, it is described FPGA core core slot connects described two CAMERA interfaces, CAMERA LINK interface, VPIF(Video Port Interface) interface and Gigabit Ethernet interface.

After adopting the structure of the invention, any core board is not carried on mainboard, but it is different to can according to need carrying The different types of core board of model, as long as pin defines the definition for meeting this mainboard, in the core for carrying Heterogeneous Computing class Embedded computer system performance, processing capacity and reliability can be improved after plate, scalability is good, the performance of system is improved, This mainboard also has peripheral circuit and external interface abundant, is able to satisfy the application of a variety of occasions.

Detailed description of the invention

Fig. 1 is a kind of novel embedded computer motherboard overall structure block diagram.

Specific embodiment

As shown in Figure 1, a kind of novel embedded computer motherboard comprising mainboard, two core boards of setting are inserted on mainboard Slot, the peripheral circuit and external interface of setting and the cooperation of core board slot on mainboard；One core board slot is inserted by two rows of 35x2 Slot, two rows 17x2 slot and row's 10x2 slot composition, another core board slot are made of three row's 50x2 slots；By two rows The core board slot 1 of 35x2 slot, two rows 17x2 slot and row's 10x2 slot composition is ARM core board slot, by three rows The core board slot 2 of 50x2 slot composition is FPGA core core slot；Between ARM core board slot and FPGA core core slot Control and data communication use EBI(External Bus Interface) bus interface, it is configured by SPI mode；Two cores Other core boards can also be used in core slot, can be used as long as interface definition meets mainboard；Peripheral circuit includes power circuit, Level shifting circuit, system time keep power-supplying circuit (battery circuit), buzz circuit；External interface includes that SDcard connects Mouthful, LCD interface, four serial interfaces, USB interface, MINIUSB interface, Audio interface, three RS-232 interfaces, RS-485 Interface, hundred Broadcom interfaces, three CAMERA interfaces, CAMERA LINK interface, VPIF(Video Port Interface) Interface, Gigabit Ethernet interface；ARM core board slot connects SDcard interface, LCD interface, a CAMERA interface, four serial ports Interface, USB interface, MINIUSB interface, Audio interface, three RS-232 interfaces, RS-485 interface and hundred Broadcom interfaces, FPGA core core slot connects two CAMERA interfaces, CAMERA LINK interface, VPIF(Video Port Interface) it connects Mouth and Gigabit Ethernet interface；On the one hand SDcard interface may be used as system input, the system as ARM core board starts, separately On the one hand can also storage system processing result information data；LCD interface, can external-connection displayer, can be used for display system operation Pilot process and as a result, can easily observe image/video etc. by system treated effect；CAMERA interface can connect External camera is connect, the image/video as system inputs；CAMER LINK interface, and external camera can be connected, as The input of system；RS-232 and RS-485 interface, for the external communication with ARM core board system；USB interface and MINIUSB The rich interface interface of mainboard, compatibility is good, and USB supports USB Host function, and MINIUSB supports USB Slave function； Simulation or digital audio and video signals can be inputted from external system or be exported to external system by Audio interface；Hundred Broadcoms, Gigabit Ethernet interface is subjected to the network information, also network-connectable camera, is scheming as the interface communicated with external networks It inputs, while processing result can be exported to the network equipment or other equipment, present invention insertion as system when as video processing Formula computer motherboard consider two kinds of core boards the characteristics of and processing data bandwidth difference, to ARM core board connect hundred Broadcoms and To the Gigabit Ethernet that FPGA system connects, network data can both input to ARM core board or input to FPGA core core；Buzzer The function of circuit (buzz circuit) is that, when the operation of main board system power-on self-test program, system can be to mainboard itself or memory Equal key fitments or peripheral equipment, are checked, once finding the problem in self-test, system will provide whistling warning, can also It is programmed into design, realizes certain function；Power circuit is system time holding circuit, is installed when to this embedded computer board After one piece of lithium battery, after ARM core board power down, time of system etc. can be powered by the circuit and be kept；Level shifting circuit, can The 12V power supply electrical level of computer motherboard is stable, be efficiently converted to modules needed for level standard, i.e. 1.2V, 1.5V, 1.8V, 2.5V, 3.3V etc., this is necessary high speed mainboard and accurate device；Buttons key is arranged at mainboard top, is six Position key, can realize FPGA reset function etc.；Peripheral circuit abundant and outside are provided with around two core board slots Interface, multiple peripheral hardwares that these peripheral circuits are connected with external interface, can be separately provided and use, can also with combination settings and It uses, system function can be better achieved, enrich and improve computer motherboard function, and it is double that other core boards can be cooperated to constitute System further increases performance, the reliability and stability of computer system, further increases the processing energy of core board system Power, for example FPGA core core and ARM core board can be carried simultaneously on this embedded computer board, constitute high performance isomery Computing platform, the advantages of by FPGA and ARM is integrated, transmission and processing speed is fast, and scalability is good, realizes software and hardware system Complementation improves the performance of system.

Embedded computer board of the present invention, the main pin of core board slot 1 are defined as follows: 24 position datawire of VPIF, and two 8 COMS CAMERA data ports of group and control selections signal wire configure mould by SPI mode active arrangement FPGA core core Selection, piece choosing, clock cable of formula etc., the pin of SDcard, the pin of Buzzer, RS232 and RS485 etc. and other four A UART interface pin, Ethernet network interface card pin, pin of USB and MINIUSB etc.；6 Buttons press key control pin Deng；2 major part pin of core board slot is defined as follows: the LVDS(Low Voltage Differential of CAMERA LINK Signaling) 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., and communicated at core board slot 1, gigabit network interface 8 transmission data and reception data port, clock, control line etc., two groups of CAMERA interfaces, 24 position datawires of VPIF, 8 GPIO Mouthful, 12 couples of MGT(Multi-Gigabit Transceiver) differential data signals pair and 4 pairs of differential clock signals pair, passively Reception configuration mode selection, piece choosing, clock cable etc. of the ARM core board by SPI mode, 4 interrupt lines, and it is a large amount of User-programmable I/O foot etc..

Using a kind of novel embedded computer motherboard of the invention, peripheral circuit is abundant, there are a large amount of external interface, Many functions can be achieved, be able to satisfy the application of many occasions, particularly, in field of machine vision, processing to image/video, function Perfect, the superior performance of energy, after carrying exemplary core plate, for convenience of describing, we select ARM and FPGA core core here, i.e., Core board slot 1 carries ARM, and core board slot 2 carries FPGA, and data input both can actively have been passed through coupled by FPGA CAMERA obtains image/video information or Gigabit Ethernet and obtains network image video information, can also ARM actively by with its phase CMOS even or SDcard obtains image/video information from outside or hundred Broadcoms obtain network image video information, passes through Pretreatment perhaps can first save after preliminary treatment individually or common by ARM and FPGA core core in the DDR to core board After processing is completed, it can be connect by the UART such as VPIF or 100,000,000 or Gigabit Ethernet interface, LCD interface, RS232 and RS485 Mouth output.Under normal conditions, ARM core board as master controller FPGA core core as coprocessor when, required for acquisition After the information of processing, ARM is responsible for the scheduling of data and video image processing order and the control of process flow, and FPGA is as ARM The hardware accelerator of processor, FPGA are equivalent to the peripheral hardware of ARM, are articulated in ARM bus by the realization of EBI interface, and be mapped to The memory space of ARM enables ARM that data and customized order are sent to FPGA and are handled, and FPGA's patrols parallel Collecting framework may be implemented Logic Core arithmetic function, and high speed real-time operation, embedded DSP block may be implemented in embedded hardware multiplier The parallel data processing that high speed may be implemented, processing result is finally exported, improve the efficiency of processor and system, FPGA and The combination of ARM integrates the two advantage, and transmission and processing speed is fast, and scalability is good, and high reliablity realizes software and hardware system Complementation improves the performance of system, in high-volume parallel data occasion to be treated, embedded computer board performance of the present invention It is superior.

A kind of novel embedded computer motherboard mainly can operate with embedded machine vision field, image/video processing Field use is vast, and advantage is on mainboard what core board do not carried, but can according to need and carry different model not Congener core board, if pin define meet the definition of this mainboard both can, this mainboard also have peripheral circuit abundant and Interface is able to satisfy the application of a variety of occasions.Particularly, in image/video process field, the present invention carries two pieces of types that have complementary functions After core board, such as ARM and FPGA core core, to high-definition image video, at the processing of broad array of network data and the image of complexity Adjustment method superior performance has very big advantage.

Claims (7)

1. a kind of novel embedded computer motherboard comprising mainboard, which is characterized in that two core boards are arranged on the mainboard Slot, the peripheral circuit and external interface of setting and core board slot cooperation on the mainboard.

2. a kind of novel embedded computer motherboard according to claim 1, which is characterized in that a core board is inserted Slot is made of two rows of 35x2 slots, two rows 17x2 slot and row's 10x2 slot, another described core board slot is by three rows 50x2 slot composition.

3. a kind of novel embedded computer motherboard according to claim 1, which is characterized in that by two rows of 35x2 slots, The core board slot of two rows of 17x2 slots and row's 10x2 slot composition is ARM core board slot, by three row's 50x2 slots The core board slot of composition is FPGA core core slot.

4. a kind of novel embedded computer motherboard according to claim 1, which is characterized in that the ARM core board is inserted Control and data communication between slot and the FPGA core core slot use EBI bus interface, are configured by SPI mode.

5. a kind of novel embedded computer motherboard according to claim 1, which is characterized in that the peripheral circuit includes Power circuit, level shifting circuit, buzz circuit, system time keep power-supplying circuit.

6. a kind of novel embedded computer motherboard according to claim 1, which is characterized in that the external interface includes SDcard interface, LCD interface, four serial interfaces, USB interface, MINIUSB interface, Audio interface, three RS-232 connect Mouthful, RS-485 interface, hundred Broadcom interfaces, three CAMERA interfaces, CAMERA LINK interface, VPIF interface, Gigabit Ethernet Interface.

7. a kind of novel embedded computer motherboard according to claim 1, which is characterized in that the ARM core board is inserted The slot connection SDcard interface, LCD interface, a CAMERA interface, four serial interfaces, USB interface, MINIUSB connect Mouth, Audio interface, three RS-232 interfaces, RS-485 interface and hundred Broadcom interfaces, the FPGA core core slot connect institute State two CAMERA interfaces, CAMERA LINK interface, VPIF interface and Gigabit Ethernet interface.