CN208298074U - A kind of COMe modular computer system based on Shen prestige processor and ICH2 bridge piece - Google Patents

Abstract

The COMe modular computer system based on Shen prestige processor and ICH2 bridge piece that the utility model discloses a kind of, is related to computer module field；It includes connector A-B, connector C-D and modular power source, it further include the FPGA, Shen prestige processor and ICH2 bridge piece of configuration module clock and management module power supply, the Shen prestige processor connects ICH2 bridge piece by PCI-E bus, the ICH2 bridge piece is connected by the internal/external power signal that PCI-E bus connects connector A-B and connector C-D, the FPGA and modular power source；The utility model, which solves the problems, such as that existing COMe module is mainly at high cost using external processing chip hardware, partially carries external bridge piece using domestic processor, causes its stability not high, the scalability and flexibility that ensure that COMe module have achieved the effect that improve the reliability and stability of embedded product, have reduced cost.

Description

A kind of COMe modular computer system based on Shen prestige processor and ICH2 bridge piece

Technical field

The utility model relates to computer module field, especially a kind of COMe based on Shen prestige processor and ICH2 bridge piece Modular computer system.

Background technique

Currently, the importance of Design of modularization scheme is increasingly prominent, COMe module, can as highly integrated computer module The scheme that system extension and application-oriented customization are realized with not external cable, using Embedded Computer On Modules, client can be with It frees from complicated design, without taking into account the design and maintenance of single board computer, so as to concentrate one's energy concern certainly Oneself core business.Embedded Computer On Modules have size and the high flexibility of performance, the development cycle is short, pushes away product quickly To the advantages such as market, good interchangeability, knowledge recycling, reliable and stable；On the one hand, COMe modularization meter currently on the market Calculating owner will can not accomplish that autonomous, safety can using external processor chips, such as Intel, AMD and Freescale chip Control, there are great information security hidden danger, and hardware cost is higher；Part mainly passes through carrying using production domesticization processor The south of foreign vendor, north bridge chips mode realize that north and south bridge scheme complexity is big, and every kind of north and south bridge require with it is corresponding CPU adaptation, it is low using domestic CPU matching degree of arranging in pairs or groups therewith, therefore in terms of its stability, reliability, flexibility and application Haves the defects that certain and deficiency；If another aspect from chip-scale exploitation, will necessarily exist, technical difficulty is big, the development cycle is long, The problems such as cost expenses are high.

Shen prestige processor is domestic high-performance processor with independent intellectual property rights, domestic ICH2 bridge piece stability is good, The advantages that high reliablity, rich interface,

Shen prestige processor carrying ICH2 bridge piece is not used in COMe module design by the prior art, therefore the application will mention For Shen prestige processor carrying ICH2 bridge piece is designed a kind of COMe module, solve the problems, such as that existing COMe module exists.

Utility model content

The purpose of this utility model is that: the utility model discloses a kind of based on Shen prestige processor and ICH2 bridge piece COMe modular computer system, solving existing COMe module, mainly the external processing chip hardware of use is at high cost, partially adopts The problem that external bridge piece causes its stability not high is carried with domestic processor.

The technical solution adopted in the utility model is as follows:

A kind of COMe modular computer system based on Shen prestige processor and ICH2 bridge piece, including connector A-B, connection Device C-D and modular power source, further include the FPGA, Shen prestige processor and ICH2 bridge piece of configuration module clock and management module power supply, The Shen prestige processor connects ICH2 bridge piece by PCI-E bus, and the ICH2 bridge piece connects connector A- by PCI-E bus The connection of the internal/external power signal of B and connector C-D, the FPGA and modular power source.

Preferably, the Shen prestige processor is connect by PCI-E3.0x8 bus with the port uplink PCI-E of ICH2 bridge piece, ICH2 bridge piece is separately connected connector A-B by 3 road PCI-E2.0x4 bus of downlink, total by 1 road PCI-E2.0x4 of downlink Line is connect with connector C-D, and the ICH2 bridge piece connects connector A-B by level conversion unit.

Preferably, the FPGA is programmed output control signal and state letter by the power supply signal inside and outside link block Number realize that power management and electric source modes are compatible, the FPGA is additionally provided with the I2C Master for configurable clock generator.

Preferably, the electric source modes include AT operating mode and ATX operating mode.

Preferably, the Shen prestige processor provides 1 road single channel DDR3 controller and configures Installed System Memory, the ICH2 bridge piece Onboard Surface Mount DDR3 independence video memory is also provided, the ICH2 bridge piece is by connecting connector after connection DAC and DDR3 independence video memory A-B and connector C-D realizes that system is shown.

Preferably, the connector A-B, connector C-D, modular power source, FPGA, Shen prestige processor, ICH2 bridge piece, DDR3 Controller and DDR3 independence video memory are installed on pcb board, and the modular power source is mounted on isolated area, for avoiding power supply shadow Ring part characteristic.

Preferably, PCI-E bus low speed signal corresponding with level conversion unit, DAC and DDR3 independence video memory is total Line subregion installation, for avoiding inter-signal interference.

Preferably, the pcb board area is 125mm*95mm.

In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:

1. the utility model realizes that domestic Shen prestige processor carries domestic ICH2 bridge piece and is used in COMe module, pass through PCB The settings such as rational deployment, FPGA power management and timing configuration solve existing COMe module mainly using external processing chip Hardware cost is high, domestic processor is partially used to carry the problem that external bridge piece causes its stability not high, ensure that COMe mould The scalability and flexibility of block have achieved the effect that improve the reliability and stability of embedded product, have reduced cost；

2. domestic Shen prestige processor is combined domestic ICH2 bridge piece to realize real information security by the utility model, state is promoted Rate is produced, is improved efficiency, cost is reduced, shortens the development cycle, is guaranteed not outer as highly integrated embedded-type modularized computer Wiring cable realizes system extension and application-oriented customization, realizes secondary development, avoids complicated design, concentrates one's energy to design core Heart business；

3. the utility model utilizes FPGA design I2C Master, it is most that clock Buffer realization is controlled after the power-up Main clock, the inside FPGA PLL realize remaining low-speed clock, avoid passing through and are lacked with crystal oscillator configurable clock generator bring is high-cost Point realizes the configuration of clock；

4. the utility model FPGA passes through connection Shen prestige processor, ICH2 bridge piece, each power managing signal and connector The power managing signal of A-B realizes unified management, the control of power supply timing and the compatibility of electric source modes of power supply；Realize AT and The compatibility of ATX electric source modes, it is automatic to detect and be adaptively compatible with, it avoids hardware jumper or software from being arranged and needs additional setting Disadvantage；

5. the utility model avoids high speed signal from interfering by the appropriate distance between setting high speed signal and low speed signal Low speed signal；By preventing module temperature excessively high for power supply separated layout；It is laid out by reasonable PCB, improves the anti-interference of module Property and stability；

6. the utility model ICH2 bridge piece uplink PCI-E and the interconnection of Shen prestige processor communicate, 4 road PCI- are may be implemented in downlink E2.0x4 eliminates the PCI-E Switch of existing design scheme, saves PCB space, reduces costs and reduces design Complexity is obtained, the reliability of system is improved.

Detailed description of the invention

The utility model will illustrate by example and with reference to the appended drawing, in which:

Fig. 1 is the system construction drawing of the utility model.

Specific embodiment

All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive Feature and/or step other than, can combine in any way.

It elaborates below with reference to Fig. 1 to the utility model.

A kind of COMe modular computer system based on Shen prestige processor and ICH2 bridge piece, including connector A-B, connection Device C-D and modular power source, further include the FPGA, Shen prestige processor and ICH2 bridge piece of configuration module clock and management module power supply, Shen prestige processor connects ICH2 bridge piece by PCI-E bus, and ICH2 bridge piece connects connector A-B and connection by PCI-E bus The connection of the internal/external power signal of device C-D, FPGA and modular power source.

Shen prestige processor is connect by PCI-E3.0x8 bus with the port uplink PCI-E of ICH2 bridge piece, and ICH2 bridge piece is logical It crosses 3 road PCI-E2.0x4 bus of downlink and is separately connected connector A-B, pass through 1 road PCI-E2.0x4 bus of downlink and connector C-D connection, ICH2 bridge piece connect connector A-B by level conversion unit.

FPGA is programmed output control signal by the power supply signal inside and outside link block and status signal realizes power supply Management and electric source modes are compatible, and FPGA is additionally provided with the I2C Master for configurable clock generator.

Embodiment 1

System includes Shen prestige processor 421, DDR3 memory, ICH2 bridge piece, FPGA and high-density connector, and layout exists On the pcb board of 125mmx95mm size, realize COMe modular computer design, externally have as SATA, USB, UART, DVI, The external interface abundant such as VGA, LVDS, PCI-E, LPC, I2C and bus support trusted bootstrap safety certification interface.At Shen Wei Manage device and 1 road PCI-E3.0x8 bus and single channel DDR3 controller be provided, wherein PCI-E3.0x8 bus by coupled capacitor and The control of plate internal impedance, it is port interconnected with the uplink PCI-E of ICH2 bridge piece, need the PCB of the strict control high-speed bus to be laid out and walk Line makes the data transmission bauds of PCI-E x8 bus reach two-way 80Gbps, meets external high-speed equipment and wants to bus bandwidth It asks, such as SATA3.0, USB3.0, PCI-E bus；In addition, CPU provides SPI Flash interface, it to be used for bootstrap quick start. ICH2 bridge piece uplink PCI-E and CPU interconnection communicates, and downlink may be implemented 4 road PCI-E2.0x4, eliminate previous design scheme PCI-E Switch saves PCB space and reduces costs and reduce and be designed complexity, improves reliability；Shen Prestige processor provides 1 road single channel DDR3 controller and configures Installed System Memory, and ICH2 bridge piece also provides onboard Surface Mount DDR3 and independently shows It deposits, ICH2 bridge piece realizes that system is shown by connecting connector A-B and connector C-D after connection DAC and DDR3 independence video memory, real Display resolution and display fluency are improved while adding independent video memory on the pcb board of the present confined space；The bridge piece is integrated Network MAC controller, display controller, SATA controller, USB controller etc., are able to achieve network, display, storage, USB etc. Functions of the equipments.

FPGA manages platform, compatible with ATX power mode, power supply the power-on and power-off including AT as the control of system Timing control, clock configuration, system hardware initial configuration etc., each hardware subsystem energy reliability service in guarantee system.Power supply mould The control of formula cooperates switching on and shutting down key to realize referring to ATX general specification by FPGA design state machine, under AT electric source modes ,+12V Main power source executes Auto Power On process after powering on；Ends with system process during shutdown, CPU hang up, will not power off；ATX electricity Under source module, system starts under standby power status, just opens after need to be switched on trigger event i.e. starting key or wake-up generation Beginning opening+12V main power source enters Booting sequence；In normal shutdown, closing+12V main power source after system meeting end first process, weight Newly enter under standby power status；Be greater than 4S if it is long-pressing closing key, then direct closing+12V main power source, enter to Under electromechanical source state；

System requirements are a variety of single-ended and differential clocks configure, and not ready-made clock Buffer can be directly realized by, with crystalline substance Jolt ramming now will increase circuit, cause increased costs, PCB layout is nervous, for this purpose, powering in FPGA design I2C Master Control clock Buffer realizes most main clock afterwards, and PLL realizes remaining low-speed clock inside FPGA.At the beginning of system hardware Begin to configure the configuration mainly to the original state and each mode of CPU and ICH2, passes through GPIO and design realization.

The size of COMe modular computer system is 125mmx95mm, using compact PCB placement scheme, mainly from mentioning The anti-interference ability and integrality aspect optimization design of high RST, improve the Stability and dependability of system；It is considered in design CPU core power supply power consumption is larger, and running temperature is higher, and to avoid the influence to periphery chip, core power is laid out at one In relatively independent range, influence of the temperature to part characteristic, communication signal quality is prevented.In addition, modular computer is gathered around There are high speed signals such as PCI-E, SATA3.0, USB3.0 etc., such high speed signal easily interferes periphery low speed signal, will in layout Such chip and interface keep mutually reasonable distance, while strict control adjacent traces width, prevent signal wire from intersecting.

The utility model by domestic Shen prestige processor high performance nature, cooperate domestic ICH2 bridge piece stability it is good, can The advantages that, rich interface high by property, both ensure that COMe modular computer at the problems such as overcoming location problem and clock to configure Can, scalability and flexibility, and broken monopolization of the external processor scheme in COMe modular computer system and kept away Exempt from using external south, north bridge chips scheme bring defect.

Claims (8)

1. a kind of COMe modular computer system based on Shen prestige processor and ICH2 bridge piece, including connector A-B, connector C-D and modular power source, it is characterised in that: further include the FPGA of configuration module clock and management module power supply, Shen prestige processor and ICH2 bridge piece, the Shen prestige processor connect ICH2 bridge piece by PCI-E bus, and the ICH2 bridge piece is connected by PCI-E bus The connection of the internal/external power signal of connecting connector A-B and connector C-D, the FPGA and modular power source.

2. a kind of COMe modular computer system based on Shen prestige processor and ICH2 bridge piece according to claim 1, It is characterized by: the Shen prestige processor is connect by PCI-E3.0 x8 bus with the port uplink PCI-E of ICH2 bridge piece, ICH2 bridge piece is separately connected connector A-B by 3 road PCI-E2.0 x4 bus of downlink, passes through 1 road PCI-E2.0 x4 of downlink Bus is connect with connector C-D, and the ICH2 bridge piece connects connector A-B by level conversion unit.

3. a kind of COMe modular computer system based on Shen prestige processor and ICH2 bridge piece according to claim 1, It is characterized by: the FPGA is programmed output control signal by the power supply signal inside and outside link block and status signal is real Existing power management and electric source modes are compatible, and the FPGA is additionally provided with the I2C Master for configurable clock generator.

4. a kind of COMe modular computer system based on Shen prestige processor and ICH2 bridge piece according to claim 3, It is characterized by: the electric source modes include AT operating mode and ATX operating mode.

5. a kind of COMe modular computer system based on Shen prestige processor and ICH2 bridge piece according to claim 2, It is characterized by: the Shen prestige processor, which provides 1 road single channel DDR3 controller, configures Installed System Memory, the ICH2 bridge piece is also mentioned For onboard Surface Mount DDR3 independence video memory, the ICH2 bridge piece by connection connector A-B after connection DAC and DDR3 independence video memory and Connector C-D realizes that system is shown.

6. a kind of COMe modular computer system based on Shen prestige processor and ICH2 bridge piece according to claim 5, It is characterized by: the connector A-B, connector C-D, modular power source, FPGA, Shen prestige processor, ICH2 bridge piece, DDR3 are controlled Device and DDR3 independence video memory are installed on pcb board, and the modular power source is mounted on isolated area, for avoiding power supply from influencing member Device property.

7. a kind of COMe modular computer system based on Shen prestige processor and ICH2 bridge piece according to claim 6, It is characterized by: PCI-E bus low speed signal bus point corresponding with level conversion unit, DAC and DDR3 independence video memory Region installation, for avoiding inter-signal interference.

8. a kind of COMe modular computer system based on Shen prestige processor and ICH2 bridge piece according to claim 7, It is characterized by: the pcb board area is 125mm*95mm.