CN216387980U - Computer board card - Google Patents

Abstract

The utility model is suitable for the technical field of board cards, and provides a computer board card which comprises a substrate, a processing module, a programmable logic chip, a hard disk controller, an onboard hard disk, a USB controller, a power module and a connector, wherein the processing module, the programmable logic chip, the hard disk controller, the onboard hard disk, the USB controller, the power module and the connector are all arranged on the substrate; the programmable logic chip, the hard disk controller, the USB controller and the power supply module are all electrically connected with the processing module; the onboard hard disk is electrically connected with the hard disk controller; the programmable logic chip, the hard disk controller, the USB controller and the power module are all electrically connected with the connector. The computer board card can meet the functional requirements of the COME board card, integrates a microcomputer minimum system on a small size, has rich interfaces, can effectively reduce bottom board devices, and greatly reduces the design difficulty of matched board cards.

Description

Computer board card

Technical Field

The utility model belongs to the technical field of board cards, and particularly relates to a computer board card.

Background

COM Express is defined as an embedded computer module, COME for short. At present, most COME boards adopt boards with the size of 95mm by 95mm or more, and for small embedded designs, the boards are too large to be used normally.

If the size of the COME board card is changed to be small, the device borne by the COME board card can not meet the functional requirement, and at the moment, the functional requirement can only be realized by additionally arranging a bottom plate device, so that the design difficulty of the COME matching board card is increased.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a computer board card, and aims to solve the problem that if the size of the board card is reduced to realize a small embedded design, a device borne by the existing COME board card cannot meet the functional requirement, and the functional requirement can only be realized by additionally arranging a bottom plate device, so that the design difficulty of the COME matching board card is increased.

The embodiment of the utility model provides a computer board card which comprises a substrate, a processing module, a programmable logic chip, a hard disk controller, an on-board hard disk, a USB controller, a power module and a connector, wherein the processing module, the programmable logic chip, the hard disk controller, the on-board hard disk, the USB controller, the power module and the connector are all arranged on the substrate; the programmable logic chip, the hard disk controller, the USB controller and the power supply module are all electrically connected with the processing module; the onboard hard disk is electrically connected with the hard disk controller; the programmable logic chip, the hard disk controller, the USB controller and the power module are all electrically connected with the connector.

Furthermore, the processing module comprises a processor, an onboard memory, a system chip, a level conversion module and a real-time clock; the on-board memory, the system chip and the level conversion module are all electrically connected with the processor; the real-time clock is electrically connected with the level conversion module.

Further, the processor is of the type FT 2000-4.

Further, the onboard memory has a capacity of 4G.

Further, the model of the system chip is GD25LQ128 DSIG.

Furthermore, the model of the programmable logic chip is EF2L15BG 256B.

Further, the model number of the hard disk controller is 88SE 9235.

Further, the model of the on-board hard disk is GLS85LS1064C-M-I-LBJE-ND 114.

Further, the USB controller is of a UPD720201 model.

Further, the model of the power module is LTM 4644.

The utility model achieves the following beneficial effects: through integrated processing module, programmable logic chip, hard disk controller, board carry hard disk, USB controller, power module and connector on the base plate to can make it satisfy the functional requirement of COME integrated circuit board, and integrated microcomputer minimum system on the small-size, the interface is abundant, can effectively reduce the bottom plate device, the design degree of difficulty of the supporting integrated circuit board of greatly reduced.

Drawings

Fig. 1 is a schematic diagram of a frame of a computer board card according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a computer board card according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a substrate in a computer board card according to an embodiment of the present invention;

fig. 4 is a schematic wiring diagram of a high-speed signal line in a computer board card according to an embodiment of the present invention;

fig. 5 is a schematic diagram of a wiring of an onboard memory in a computer board according to an embodiment of the present invention.

Wherein, 1, a substrate; 2. a processing module; 21. a processor; 22. onboard memory; 23. a system chip; 24. a level conversion module; 25. a real-time clock; 3. a programmable logic chip; 4. a hard disk controller; 5. an onboard hard disk; 6. a USB controller; 7. a power supply module; 8. a connector is provided.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or be connected to the other element through intervening elements. The "connection" in the following embodiments is understood as "electrical connection", "communication connection", or the like if the connected circuits, modules, units, or the like have electrical signals or data transmission therebetween.

As used herein, the singular forms "a", "an" and "the" may include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises/comprising," "includes" or "including," etc., specify the presence of stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof. Also, the terminology used in this specification includes any and all combinations of the associated listed items.

The embodiment provides a computer board card, which is shown in fig. 1 to fig. 3 and includes a substrate 1, a processing module 2, a programmable logic chip 3 (a complex programmable logic chip 3), a hard disk controller 4, an on-board hard disk 5, a USB controller 6, a power module 7, and a connector 8, where the processing module 2, the programmable logic chip 3, the hard disk controller 4, the on-board hard disk 5, the USB controller 6, the power module 7, and the connector 8 are all disposed on the substrate 1.

Specifically, the programmable logic chip 3, the hard disk controller 4, the USB controller 6, and the power module 7 are all electrically connected to the processing module 2; the onboard hard disk 5 is electrically connected with the hard disk controller 4; the programmable logic chip 3, the hard disk controller 4, the USB controller 6 and the power module 7 are all electrically connected to the connector 8.

The size of the substrate 1 is 84 × 55mm, and the substrate is suitable for various small embedded designs.

The processing module 2 is the core of the computer board card data processing, communication and real-time control.

The programmable logic chip 3 is used for controlling power supply management and level conversion of the computer board card and reset management of each functional chip.

The hard disk controller 4 is a bridge for the processor 21 to communicate with the on-board hard disk 5.

The on-board hard disk 5 is used to load an operating system.

The USB controller 6 is used for the processor 21 to implement a bridge of universal serial communication with the outside.

The power module 7 comprises a plurality of direct-current to direct-current conversion modules which mainly supply power to the computer board card.

Specifically, the processing module 2 includes a processor 21, an on-board memory 22, a system chip 23 (basic input output system chip 23), a level conversion module 24, and a real-time clock 25 (clock chip); the on-board memory 22, the system chip 23 and the level conversion module 24 are all electrically connected to the processor 21; the real-time clock 25 is electrically connected to the level shift module 24.

The programmable logic chip 3, the hard disk controller 4, the USB controller 6, and the power module 7 are all electrically connected to the processor 21, and the processor 21 further leads out a gigabit network signal through a connector 8.

In this embodiment, the processor 21 is a FT 2000-4.

In this embodiment, the capacity of the onboard memory 22 is 4G.

In this embodiment, the model of the system chip 23 is GD25LQ128 DSIG.

In this embodiment, the model of the level shift module 24 is AT 9306.

In this embodiment, the model of the programmable logic chip 3 is EF2L15BG256B of ann road technology.

In this embodiment, the type of the hard disk controller 4 is 88SE9235 which is a nice electronic. In this embodiment, the onboard hard disk 5 is a green-centered GLS85LS1064C-M-I-LBJE-ND 114.

In this embodiment, the USB controller 6 is a UPD720201 available from rassa electronics.

In this embodiment, the model of the conversion module in the power module 7 is LTM4644 in ideno.

In this embodiment, a device with large heat generation amount or high power consumption is disposed on the front surface of the substrate 1, so that the heat dissipation effect can be improved; devices with small heat productivity or low power consumption are arranged on the back surface, so that the integration level of design can be increased; part of power supply and wiring via holes are punched on the bonding pad, namely, a design mode of a hole in the pad is adopted, so that the integration level of the computer board card is increased, the size of the computer board card is reduced, and the requirement of small embedded design is met.

In this embodiment, with reference to FIG. 4, there is shown a schematic diagram of high speed signal distribution in 14 layers for a 16-layer board design; the high-speed signal wire adopts a differential pair wiring mode, the distance between the wires is more than or equal to 4H, H is the distance between the wiring layer and the reference plane layer, and is 0.1 mm, so that the signal quality can be ensured, and the distance between the signal wires can still be ensured under the condition of high integration level; the high-speed signal wiring layers are close to the bottommost layer so as to reduce the length of the via stub and ensure the quality of high-speed signals.

In this embodiment, referring to fig. 5, the on-board memory 22 is DDR, a single end is designed to have an impedance of 45 Ω, which is represented by a wiring width of 0.125mm, a differential is designed to have a impedance of 75 Ω, which is represented by a wiring width of 0.15mm, and a distance between differential lines is 0.114 mm; the topological structure adopts the wiring mode of FLY-BY, and simultaneously ensures that the distance between lines is more than or equal to 3H, wherein H is the distance between a wiring layer and a reference plane layer, and is 0.1 mm.

This embodiment is through integrated processing module 2, programmable logic chip 3, hard disk controller 4, on-board hard disk 5, USB controller 6, power module 7 and connector 8 on base plate 1 to can make it satisfy the functional requirement of COME integrated circuit board, and integrated microcomputer minimum system on the small-size, the interface is abundant, can effectively reduce the bottom plate device, the design degree of difficulty of the supporting integrated circuit board of greatly reduced.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A computer board card is characterized by comprising a substrate, a processing module, a programmable logic chip, a hard disk controller, an on-board hard disk, a USB controller, a power module and a connector, wherein the processing module, the programmable logic chip, the hard disk controller, the on-board hard disk, the USB controller, the power module and the connector are all arranged on the substrate;

the programmable logic chip, the hard disk controller, the USB controller and the power supply module are all electrically connected with the processing module; the onboard hard disk is electrically connected with the hard disk controller; the programmable logic chip, the hard disk controller, the USB controller and the power module are all electrically connected with the connector.

2. The computer board of claim 1, wherein the processing module comprises a processor, an on-board memory, a system chip, a level translation module, and a real-time clock;

the on-board memory, the system chip and the level conversion module are all electrically connected with the processor; the real-time clock is electrically connected with the level conversion module.

3. The computer board of claim 2, wherein the processor is of the type FT 2000-4.

4. The computer board of claim 2, wherein the onboard memory has a capacity of 4G.

5. The computer board of claim 2, wherein the system chip is model number GD25LQ128 DSIG.

6. The computer board of claim 1, wherein the programmable logic chip has a model number of EF2L15BG 256B.

7. The computer board of claim 1, wherein the hard disk controller is model 88SE 9235.

8. The computer board of claim 7, wherein the onboard hard disk is of the type GLS85LS1064C-M-I-LBJE-ND 114.

9. The computer board of claim 1, wherein the USB controller is of the model UPD 720201.

10. The computer board of any one of claims 1-9, wherein the power module is model number LTM 4644.

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