CN221079302U - Industrial computer mainboard based on Loongson processor - Google Patents
Industrial computer mainboard based on Loongson processor Download PDFInfo
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- CN221079302U CN221079302U CN202322708904.7U CN202322708904U CN221079302U CN 221079302 U CN221079302 U CN 221079302U CN 202322708904 U CN202322708904 U CN 202322708904U CN 221079302 U CN221079302 U CN 221079302U
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Abstract
The utility model relates to the technical field of computers, in particular to an industrial computer motherboard based on a Loongson processor, which comprises: the system comprises a first Loongson, a second Loongson, an MCU chip, a level conversion chip, a network conversion chip, an HT serial bus, an IIC communication bus and a plurality of multi-protocol transceiving circuits, wherein the first Loongson and the second Loongson are connected through the HT serial bus, the second Loongson is connected with the MCU chip through the IIC communication bus, the first Loongson converts a plurality of RS232 serial ports through the level conversion chip, the second Loongson converts a plurality of network interfaces through the network conversion chip, and the second Loongson converts a plurality of multi-mode serial ports through the plurality of multi-protocol transceiving circuits respectively. The utility model converts the multi-mode adjustable serial port, can furthest improve the utilization rate of the serial port, and realizes the improvement of the expansion capacity of the computer main board.
Description
Technical Field
The utility model relates to the technical field of computers, in particular to an industrial computer motherboard based on a Loongson processor.
Background
The computer is used as an information processing tool, is applied to various aspects of scientific research, industrial and agricultural production, social service, family life and the like, and has universality and universality. With the progress and development of society, the demands of people on computers are also increasing. The functions and performances of the computer are often the two aspects of highest attention. In addition, with the implementation of the whole localization of the hardware industry in recent years, the problems of low performance, low safety, low integration level, weak expansion capability, insufficient man-machine interaction capability and the like of the domestic computer are gradually revealed. A series of problems exposed to domestic computers have led to limited development of domestic computers.
How to improve the expansion capability of a computer motherboard is a problem to be solved in the current domestic computer motherboard design.
Disclosure of utility model
In order to improve the expansion capability of a motherboard, the utility model provides an industrial computer motherboard based on a Loongson processor, comprising: the device comprises a first Loongson, a second Loongson, an MCU chip, a level conversion chip, a network conversion chip, an HT serial bus, an IIC communication bus and a plurality of multi-protocol transceiver circuits;
The first Loongson and the second Loongson are connected through an HT serial bus;
The second Loongson is connected with the MCU chip through an IIC communication bus;
The first Loongson converts multiple paths of RS232 serial ports through a level conversion chip;
the second Loongson converts a plurality of paths of network interfaces through a network conversion chip;
The second Loongson is respectively converted into a plurality of multi-path multi-mode serial ports through a plurality of multi-protocol transceiver circuits.
Preferably, the system further comprises an EJTAG interface;
The first Loongson performs internal debugging and testing through an EJTAG interface.
Preferably, the system also comprises an SPI communication bus and a FLASH chip;
The first Loongson is connected with the FLASH chip through an SPI communication bus.
Preferably, the memory device further comprises a plurality of paths of memory particles;
The first Loongson is connected with the multi-path memory particles through MC0 pins and MC1 pins respectively.
Preferably, further comprising a USB communication bus;
the second Loongson converts multiple USB interfaces through a USB communication bus.
Preferably, the display device further comprises an audio conversion chip and a display conversion chip;
the second Loongson converts an audio interface, a microphone interface and a loudspeaker interface through an audio conversion chip;
The second Loongson converts the display interface through the display conversion chip.
Preferably, the system also comprises a miniPCE interface;
The second Loongson is connected with a miniPCE interface through a PCIEX1 signal pin;
The second Loongson is connected with the WIFI module through a miniPCE interface.
Preferably, the system further comprises a temperature sensor and an RTC clock circuit;
The second Loongson is respectively connected with the temperature sensor and the RTC clock circuit through the IIC communication bus;
the second Loongson obtains the temperature of the main board through a temperature sensor;
The second Loongson performs clock detection through the RTC clock circuit.
Preferably, the system also comprises a SATA bus and an mSATA interface;
The second Loongson is connected with the mSATA interface through the SATA bus;
The second Loongson is connected with mSATA hard disks of different models through mSATA interfaces.
Preferably, the first Loongson adopts a Loongson 3A5000 processor;
the second Loongson adopts Loongson 7A2000 bridge pieces;
The memory particles adopt 16GB DDR4 memory particles;
The multimode serial ports comprise an RS232 serial port, an RS422 serial port and an RS485 serial port.
From the above technical scheme, the utility model has the following advantages:
The utility model integrates a plurality of components such as the first Loongson, the second Loongson, the MCU chip, the level conversion chip, the network conversion chip, a plurality of multi-protocol transceiver circuits and the like on the main board, thereby improving the integration level. The utility model converts the multi-mode adjustable serial port, can furthest improve the utilization rate of the serial port, and realizes the improvement of the expansion capacity of the computer main board. The utility model further improves the expansion of the main board interface through the IIC communication bus, the SPI communication bus, the USB communication bus, the SATA bus and other buses. The utility model carries out mainboard design based on the domestic Loongson processor, thereby improving the safety.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of an industrial computer motherboard based on a Loongson processor.
In the figure: 1-first Loongson, 2-second Loongson, 3-MCU chip, 4-level conversion chip, 5-network conversion chip, 6-first multi-protocol transceiving circuit, 7-second multi-protocol transceiving circuit, 8-audio conversion chip, 9-display conversion chip, 10-power management module, 11-memory granule, 12-first serial port, 13-second serial port, 14-FLASH chip, 15-EJTAG interface, 16-video memory granule, 17-temperature sensor, 18-RTC clock circuit, 19-fingerprint module, 20-USB3.0 interface, 21-USB2.0 interface, 22-mSATA interface, 23-sixth serial port, 24-miniPCE interface, 25-second display interface, 26-first network interface, 27-second network interface, 28-third multi-mode serial port, 29-fourth multi-mode serial port, 30-first audio interface, 31-second audio interface, 32-third audio interface, 33-first display interface, 34-lithium battery.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
In order to solve the problems of low performance, low safety, low integration level, weak expansion capability and insufficient man-machine interaction capability of a home-made computer of a main board in the prior art, the utility model provides an industrial computer main board based on a Loongson processor, wherein the main board adopts a Loongson 3A5000 four-core processor, has a main frequency of 2.0GHz, is matched with a Loongson 7A2000 bridge chip, and is attached with DDR4 16GB memory and DDR 42 GB video memory by a default board.
As shown in FIG. 1, the utility model supports a 1-way mSATA interface 22, a 1-way miniPCE interface 24 (extended WIFI/4G/mSATA), a 2-way gigabit self-adaptive network port, a 4-way USB3.0 interface 20, a 4-way USB2.0 interface 21 and a 2-way RS232/RS485/RS422 serial port. The display part supports 1-path EDP interface and 1-path HDMI/VGA interface, the main board reserves 1-path special expansion interface, the signal supports 1-path LPC, 1-path PCI-Ex1 and 1-path PCI-Ex8, and the 4-path CAN expansion or independent display and other client expansion requirements CAN be realized.
The industrial computer main board comprises a main board body, a first Loongson 1, a second Loongson 2, an MCU chip 3, a level conversion module, a multi-protocol transceiver module, a network conversion module, a display conversion module, an audio conversion module, a voice module, a WIFI module, a power management module 10, a fingerprint module 19, independent video memory particles 16, memory particles and the like. Wherein, the memory granule adopts surface mount DDR4 memory granule.
The first Loongson 1 and the second Loongson 2 are arranged on the main board body, memory particles are directly led out from the first Loongson 1 through two channels, the first Loongson 1 is connected with the second Loongson 2 through HT3.0, and the second Loongson 2 is connected with the MCU chip 3 through an IIC communication bus and GPIO. In addition, the main board body is provided with an EJTAG interface 15, an mSATA interface 22, a network interface, a miniPCE interface 24, a serial port, a USB interface, a serial port, a display interface, an audio interface, a special expansion interface and the like.
The first Loongson 1 and the second Loongson 2 are arranged on the main board body, DDR4 surface mount memory particles are directly led out from the first Loongson 1 through two channels, the first Loongson 1 is connected with the second Loongson 2 through HT3.0,
The second Loongson 2 is connected with the MCU chip 3 through the IIC communication bus and the GPIO. In addition, the main board body is provided with an EJTAG interface 15, an mSATA interface 22, a network interface, a miniPCE interface 24, a serial port, a USB interface, a serial port, a display interface, an audio interface, a special expansion interface and the like.
In the utility model, the first Loongson 1 is internally debugged and tested through EJTAG, and SPI NOR FLASH can be matched with PMON/UEFI firmware for use.
In the utility model, the first Loongson 1 is converted into two paths of RS232 serial ports for use through the RS232 level conversion chip 4.
In the utility model, the second loongson 2 is converted into two paths of network interface channels through the network conversion chip 5.
In the utility model, the second Loongson 2 is respectively converted into two paths of serial ports with selectable RS232/RS422/RS485 multimode through two multiprotocol transceiver circuits.
In the utility model, the second Loongson 2 converts a 4-lane mark USB2.0 interface 21 channel through a USB2.0 communication bus.
In the utility model, the second Loongson 2 converts a 4-lane mark USB3.0 interface 20 channel through a USB3.0 communication bus.
In the utility model, the second Loongson 2 converts a standard audio interface, a microphone interface and a loudspeaker interface through the audio conversion chip 8.
In the utility model, the second Loongson 2 converts a path of display interface channel through the display conversion chip 9.
In the utility model, the second Loongson 2 is respectively converted into a temperature control module and an RTC clock module through the IIC bus.
In the utility model, the second Loongson 2 is converted into one path of RS232 serial port channel and one path of TTL serial port channel through the UART. Further, the RS232 serial port is used for expanding the fingerprint module 19, and the ttl serial port is used for expanding the fingerprint identification module.
In the utility model, the second Loongson 2 is converted into one path of HDMI/VGA jumpable display interface channel through HDMI/VGA, so that HDMI/VGA double-screen simultaneous display can be realized.
In the present utility model, the second Loongson 2 converts out one path of mSATA interface 22 channel through SATA2.0 communication bus.
In the utility model, the second Loongson 2 is converted into a channel of MiniPCE interface 24 channel through a PCIE communication bus, and the MiniPCE interface 24 channel is used for expanding a WIFI module.
In the utility model, the MCU chip 3 is converted into a lithium battery 34 module through the IIC communication bus, and the lithium battery 34 module is used for supplying power to the whole main board.
In the utility model, the MCU chip 3 is converted into a power management module 10 through GPIO, and the power management module 10 is used for power management of the whole main board and standby wake-up and backlight control of the main board.
From the above technical scheme, the utility model has the following advantages:
the whole board adopts an integrated design mode, adopts DDR4 surface mount memory particles, and has high integration level, small size and high reliability.
The electronic components of the utility model are all domestic components, and the localization rate is high.
The power input of the utility model adopts a wide-voltage input power module, and can realize the power supply of 18V-36V in a wide range of voltage.
The utility model can support the functions of standby, board temperature monitoring, charge and discharge management of the 2/3/4 serial lithium batteries 34, and the like, supports wide-temperature operation, and meets the complex and severe working environment.
The utility model is provided with the WIFI module, the voice recognition module and the fingerprint module 19, so that the user experience can be improved, and the man-machine interaction function can be better realized.
The utility model is provided with the multi-mode adjustable serial port, and can furthest improve the utilization rate of the serial port.
The utility model is provided with one path of HDMI/VGA switchable display, and can realize the function of HDMI/VGA double-screen display.
In addition, the utility model can support the security functions such as trusted starting, security coding and the like;
The utility model is further illustrated by an embodiment of an expansion interface for a pair of industrial computer motherboards.
The industrial computer main board of the utility model is designed based on a Loongson processor, and comprises: the main board comprises a main board body, a first Loongson 1, a second Loongson 2, an MCU chip 3, DDR4 surface mounted memory particles, DDR4 video memory particles 16, a temperature control module, an RTC clock detection module, a network port conversion module, a display conversion module, an audio conversion module, a WIFI module, a voice module, a fingerprint module 19, a power management module 10, a multi-mode adjustable serial port, a switchable multi-screen display, a USB2.0/3.0 interface, a miniPCE interface 24, a MSATA interface 22 and the like.
In this embodiment, the first Loongson 1, the second Loongson 2 and the MCU chip 3 are disposed on the front surface of the motherboard, the DDR4 memory particles are connected with the first Loongson 1 through MC0/MC1, and the first Loongson 1 is connected with the second Loongson 2 through HT 3.0.
In this embodiment, the MCU chip 3 and the second loongson 2 are connected with the GPIO through IIC, so as to implement a power control function of the whole motherboard.
In this embodiment, the first loongson 1 performs internal debugging and testing through EJTAG.
In this embodiment, the first loongson 1 may be collocated with a FLASH chip and PMON/UEFI firmware, and initialize the processor through an SPI communication bus;
In this embodiment, the first loongson 1 converts the first serial port 12 and the second serial port 13 through the level conversion chip 4, and further, the first serial port 12 and the second serial port 13 are both RS232 serial ports, which can be used for daily use and CPU debugging;
In this embodiment, the first loongson 1 leads out 2 paths of DDR4 surface-mounted memory particles through MC0 and MC1, respectively.
In this embodiment, the second loongson 2 is connected with DDR4 video memory particles 16 for implementing a display function of the motherboard.
In this embodiment, the second loongson 2 is connected with a temperature sensor 17 module and an RTC clock detection module through an IIC bus.
In this embodiment, the second loongson 2 is connected with a fifth serial port, further, the fifth serial port is an RS232 serial port, the interface is located on the main board body, the RS232 serial port can extend the fingerprint module 19 group through UART signals, and the functions of man-machine interaction can be achieved in a straight line.
In this embodiment, the second loongson 2 is connected with a 4-standard USB2.0 interface 21 and a 4-standard USB3.0, which can greatly satisfy the use of USB devices.
In this embodiment, the second loongson 2 is connected with the mSATA interface 22 through the SATA2.0 bus, and the mSATA interface 22 is located at the back of the motherboard, and can be used with mSATA hard disks of different types;
In this embodiment, the second loongson 2 is connected with a second display interface 25. Further, the second display interface 25 is connected to one path of HDMI/VGA selectable display interface channel, and the HDMI/VGA display interface is disposed on the front surface of the motherboard, which is conducive to implementing the HDMI/VGA dual-screen display function.
In this embodiment, the second loongson 2 is connected with a sixth serial port 23, and further, the sixth serial port 23 is a TTL serial port, which can be used for expanding a voice module.
In this embodiment, the second loongson 2 leads out a path of minicie interface 24 through the pcie x1 signal, is placed on the back of the motherboard, and can be extended on the motherboard to be used with a WIFI module, so that functions of the motherboard are enriched.
In this embodiment, the second loongson 2 is connected with a first display interface 33 through a display conversion chip 9, and further, the first display interface 33 is an EDP interface, is disposed on the front side of the motherboard, and can be used with an EDP liquid crystal screen.
In this embodiment, the second loongson 2 is connected to the audio conversion chip 8, the audio conversion chip 8 converts the first audio interface 30, the second audio interface 31, and the third audio interface 32, the first audio interface 30 is a four-segment audio interface, the second audio interface 31 is a microphone interface, and the third audio interface 32 is a speaker interface. The audio interface, the microphone interface and the loudspeaker interface are all arranged on the back of the main board.
In this embodiment, the second loongson 2 is connected to a first network conversion circuit, and the second loongson 2 is connected to a first network interface 26 and a second network interface 27 through the first network conversion circuit respectively.
In this embodiment, the first network interface 26 and the second network interface 27 are 10/100/1000Mbs adaptive network interfaces, and the first network interface 26 and the second network interface 27 are both disposed on the back of the motherboard.
In this embodiment, the second Loongson 2 is connected to a first multi-protocol transceiver module, and the second Loongson 2 converts the third multi-mode serial port 28 through the multi-protocol transceiver module.
In this embodiment, the second Loongson 2 is connected to a second multi-protocol transceiver module, and the second Loongson 2 converts the fourth multi-mode serial port 29 through the multi-protocol transceiver module.
In this embodiment, the third multi-mode serial port 28 and the fourth multi-mode serial port 29 are multi-mode adjustable serial ports, that is, RS232/RS422/RS485 serial ports, which are all disposed on the back of the motherboard.
In this embodiment, a power management module 10 is further integrated on the motherboard, and the power management module 10 is connected with the MCU chip 3 through a GPIO interface; the power management module 10 is disposed on the back of the motherboard, and is used for power management of the entire motherboard and implementing functions such as standby wakeup and backlight control.
In this embodiment, the MCU chip 3 is further connected to the lithium battery 34 through the IIC bus, and is used for supplying power to the entire motherboard, implementing a charge/discharge management function, a lithium battery 34 detection function, and the like.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "connected," and the like are to be construed broadly and include, for example, "connected," either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected, indirectly connected through an intermediate medium, or may be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the utility model, various aspects disclosed may be embodied in the following forms, namely: an entirely hardware embodiment, an embodiment combining hardware and existing software aspects may be referred to herein collectively as a "circuit," module, "or" chip. In the description of the present utility model, the first, second, and third are merely ordering, and are not limited in number.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An industrial computer motherboard based on a Loongson processor, comprising: the device comprises a first Loongson, a second Loongson, an MCU chip, a level conversion chip, a network conversion chip, an HT serial bus, an IIC communication bus and a plurality of multi-protocol transceiver circuits;
The first Loongson and the second Loongson are connected through an HT serial bus;
The second Loongson is connected with the MCU chip through an IIC communication bus;
The first Loongson converts multiple paths of RS232 serial ports through a level conversion chip;
the second Loongson converts a plurality of paths of network interfaces through a network conversion chip;
The second Loongson is respectively converted into a plurality of multi-path multi-mode serial ports through a plurality of multi-protocol transceiver circuits.
2. The Loongson processor based industrial computer motherboard of claim 1, further comprising an EJTAG interface;
The first Loongson performs internal debugging and testing through an EJTAG interface.
3. The Loongson processor based industrial computer motherboard of claim 1, further comprising an SPI communication bus and a FLASH chip;
The first Loongson is connected with the FLASH chip through an SPI communication bus.
4. The Loongson processor based industrial computer motherboard of claim 1, further comprising a plurality of memory particles;
The first Loongson is connected with the multi-path memory particles through MC0 pins and MC1 pins respectively.
5. The Loongson processor based industrial computer motherboard of claim 1, further comprising a USB communication bus;
the second Loongson converts multiple USB interfaces through a USB communication bus.
6. The Loongson processor based industrial computer motherboard of claim 1, further comprising an audio conversion chip and a display conversion chip;
the second Loongson converts an audio interface, a microphone interface and a loudspeaker interface through an audio conversion chip;
The second Loongson converts the display interface through the display conversion chip.
7. The Loongson processor based industrial computer motherboard of claim 1, further comprising a minicie interface;
The second Loongson is connected with a miniPCE interface through a PCIEX1 signal pin;
The second Loongson is connected with the WIFI module through a miniPCE interface.
8. The Loongson processor based industrial computer motherboard of claim 1, further comprising a temperature sensor and an RTC clock circuit;
The second Loongson is respectively connected with the temperature sensor and the RTC clock circuit through the IIC communication bus;
the second Loongson obtains the temperature of the main board through a temperature sensor;
The second Loongson performs clock detection through the RTC clock circuit.
9. The industrial computer motherboard based on a Loongson processor of claim 1, further comprising a SATA bus, an msta interface;
The second Loongson is connected with the mSATA interface through the SATA bus;
The second Loongson is connected with mSATA hard disks of different models through mSATA interfaces.
10. The industrial computer motherboard based on a Loongson processor of claim 4, wherein the first Loongson uses a Loongson 3A5000 processor;
the second Loongson adopts Loongson 7A2000 bridge pieces;
The memory particles adopt 16GB DDR4 memory particles;
The multimode serial ports comprise an RS232 serial port, an RS422 serial port and an RS485 serial port.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322708904.7U CN221079302U (en) | 2023-10-09 | 2023-10-09 | Industrial computer mainboard based on Loongson processor |
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| CN202322708904.7U CN221079302U (en) | 2023-10-09 | 2023-10-09 | Industrial computer mainboard based on Loongson processor |
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