Loongson LS3A5000-based vehicle-mounted display control terminal

Abstract

The utility model relates to a vehicle-mounted display control terminal based on a Loongson LS3A5000. The vehicle-mounted display control terminal is provided with a 11.6-inch liquid crystal display screen, two USB interfaces, two gigabit optical fiber Ethernet interfaces, two CAN bus interfaces, one display interface and twelve function buttons, wherein the output of the two USB interfaces, the two gigabit optical fiber Ethernet interfaces, the two CAN bus interfaces and the one display interface to an LVDS display screen is provided. And installing a domestic Kylin operating system. According to the vehicle-mounted display control terminal developed by the utility model, man-machine interaction can be realized through the display screen and the keys, and related functions of a vehicle can be controlled. In addition, 100% localization of components and operating systems selected by the display control terminal is realized, and autonomous control of technical and electronic components is realized.

Description

Technical Field

[0001] The utility model relates to a vehicle-mounted display and control terminal based on Loongson LS3A5000, which is applied in the field of vehicle-mounted display and control, and specifically relates to a vehicle-mounted display and control terminal based on Loongson CPU. Background Art

[0002] The Loongson LS3A5000 processor is a 4-core CPU with independent intellectual property rights. It is a general-purpose processor for computers, servers and other information fields. It is based on the LA464 microstructure of the Loongson independent instruction system (LoongArch®). Each processor core contains 64KB private L1 instruction cache and 64KB private L1 data cache; each processor core contains 256KB private L2 cache; all processor cores share 16MB L3 cache. The peak computing speed is 160Gflops.

[0003] At present, most of the in-vehicle display and control products on the market have not been fully domestically produced, which poses certain safety risks. Therefore, there is an urgent need to achieve full domestic production of products. To this end, we have designed a display and control terminal that can be used in the field of vehicles. All electronic components are domestically produced, and the operating system uses the Kylin domestic operating system. Utility Model Content

[0004] The utility model relates to a vehicle-mounted display and control terminal based on Loongson LS3A5000.

[0005] The vehicle-mounted display and control terminal has an 11.6-inch LCD display, a memory capacity of 8GB, and a hard disk capacity of 128GB. The display and control terminal provides 2 USB interfaces, 2 Gigabit fiber optic Ethernet interfaces, 2 CAN bus interfaces, 1 display interface output to the LVDS display, and 12 function buttons. The domestically produced Galaxy Kirin V10 desktop operating system is installed. The vehicle-mounted display and control terminal developed by the utility model can realize human-computer interaction through the display and buttons, and control vehicle-related functions.

[0006] In order to realize the above functions, the technical solution of the utility model is as follows:

[0007] The Loongson LS3A5000 is a processor for the vehicle display and control terminal, mainly used for data processing and information interaction. The LS3A5000 is connected to the Loongson LS7A2000 bridge chip through its HT high-speed bus interface. The LS3A5000 processor is connected to 8 DDR4 memory particles through its two 72-bit DDR4 controllers with ECC. The memory particles are DDR4 memory particles CXDQ3BFAM-IJ-A, with a memory rate of 2666Mbps, a single-chip memory particle capacity of 8Gb, and a total memory capacity of 8GB. The LS3A5000 is connected to external buttons through the GPIO interface.

[0008] The Loongson LS7A2000 bridge chip is used to realize the external interface expansion function. The LS7A2000 bridge chip is connected to the Loongson LS3A5000 processor through the HT high-speed bus interface. The LS7A2000 bridge chip integrates GPU, DC, DDR4 video memory controller and PCIE3.0, SATA3.0, USB3.0, GMAC, HDMI, I2C, UART, GPIO and other interfaces to provide all peripheral interface functions for the display and control terminal.

[0009] The Loongson LS7A2000 bridge chip is connected to the mSATA connector via the SATA3.0 interface and is equipped with a 128GB SSD solid state drive to achieve external storage function.

[0010] The two CAN bus interfaces are output to the external connector by two CAN bus interfaces of LS7A2000 through two CAN transceivers. The CAN transceiver uses an isolated CAN transceiver with integrated isolated power supply, model CP3053T. The signal transmission rate of the two CAN bus interfaces can reach up to 1Mbps, which can realize the control of vehicle driving.

[0011] The 2-channel Gigabit fiber optic Ethernet interface is realized by the LS7A2000 bridge chip PCIE3.0X4 interface external network controller WX1860AL2 and 2 88E1512 PHY chips. The two 88E1512s convert the 2-channel RGMII signals output by WX1860AL2 into 2-channel FIBER signals to realize fiber optic communication. The 2-channel FIBER signals are input into the optical module with the PRP dual redundant protocol. The optical module uses the JM032L-2M8103500 dual-channel transceiver optical module, which is a standard 12-core MT pigtail optical interface that can realize two-way optical / electrical and electrical / optical conversion at the same time. The single-channel rate of the Gigabit fiber optic Ethernet interface is 10.3125Gbps, with a central wavelength of 850nm.

[0012] The two-way USB interface is realized by the USB interface integrated in the LS7A2000 bridge chip. The USB differential signal is output to the USB connector after passing through the common mode inductor and the ESD protection circuit.

[0013] The 11.6-inch LVDS display screen is realized by the GPU display control module integrated in the LS7A2000 bridge chip through the output of an HDMI signal through a video conversion chip. The video conversion chip uses the video processing and display controller MS1861, which integrates HDMI, LVDS and video digital signal inputs in a single chip, and the output end can drive MIPI, LVDS, Mini-LVDS and TTL-LCD type liquid crystal displays. The LVDS display uses the LCD screen TM116VDSP03. The size is 11.6 inches and the resolution is 1920 1080. LS7A2000 bridge memory interface external memory particles. The memory particles use DDR4 memory particles CXDQ3BFAM-IJ-A, the maximum memory rate supports 2666Mbps, a single chip 8Gb, using 4 chips, the total memory capacity is 4GB.

[0014] Install the Kylin V10 desktop operating system.

[0015] Beneficial Effects

[0016] The vehicle-mounted display and control terminal based on Loongson LS3A5000 developed by the utility model can realize human-computer interaction through the display screen and buttons, and control vehicle-related functions. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model discloses a vehicle-mounted display and control terminal based on Loongson LS3A5000. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the protection scope of the present invention.

[0019] According to this embodiment, the utility model is a vehicle-mounted display and control terminal based on Loongson LS3A5000, whose main chips are composed of LS3A5000, LS7A2000, DDR4 memory particles CXDQ3BFAM-IJ-A, CAN transceiver CP3053T, network controller WX1860AL2, and PHY chip B88E1512.

[0020] The CPU uses the Loongson LS3A5000. The LS3A5000 is connected to the Loongson LS7A2000 bridge chip through its HT high-speed bus interface. The LS3A5000 processor is connected to 8 DDR4 memory particles through its two 72-bit DDR4 controllers with ECC. The memory particles use the DDR4 memory particles CXDQ3BFAM-IJ-A, the memory rate is 2666Mbps, the single-chip memory particle capacity is 8Gb, and the total memory capacity is 8GB. The LS3A5000 is connected to the external buttons through the GPIO interface. The LS7A2000 bridge chip integrates GPU, DC, DDR4 video memory controller, and PCIE3.0, SATA3.0, USB3.0, GMAC, HDMI, I2C, UART, GPIO and other interfaces to provide all peripheral interface functions for the display and control terminal. The LS7A2000 bridge chip is connected to the mSATA connector through the SATA3.0 interface and is equipped with a 128GB SSD solid-state hard drive to realize external storage function. The 2-way CAN bus interface is output to the external connector by the 2 CAN bus interfaces of LS7A2000 through 2 CAN transceivers. The CAN transceiver uses an isolated CAN transceiver with integrated isolated power supply, model CP3053T. The signal transmission rate of the 2-way CAN bus interface can reach up to 1Mbps, which can control the vehicle driving. The 2-way Gigabit fiber optic Ethernet interface is realized by the LS7A2000 bridge chip PCIE3.0X4 interface external network controller WX1860AL2 and 2 88E1512 PHY chips. The 2 88E1512 converts the 2-way RGMII signals output by WX1860AL2 into 2-way FIBER signals to realize optical fiber communication. The 2-way FIBER signals are input into the optical module with the PRP dual redundant protocol. The optical module uses the JM032L-2M8103500 dual-channel transceiver optical module, which can realize two-way optical / electrical and electrical / optical conversion at the same time. The single-channel rate of the Gigabit fiber optic Ethernet interface is 10.3125Gbps, with a central wavelength of 850nm. The 2-way USB interface is implemented by the USB interface integrated inside the LS7A2000 bridge chip. The USB differential signal is output to the USB connector after passing through the common-mode inductor and ESD protection circuit. The 11.6-inch LVDS display is implemented by the GPU display control module integrated inside the LS7A2000 bridge chip through the output HDMI signal through the video conversion chip. The video conversion chip uses the video processing and display controller MS1861. The LVDS display uses the LCD screen TM116VDSP03. The size is 11.6 inches and the resolution is 1920 1080. LS7A2000 bridge chip video memory interface external video memory particles. Video memory particles use DDR4 memory particles CXDQ3BFAM-IJ-A, the maximum memory rate supports 2666Mbps, a single chip 8Gb, using 4 chips, the total video memory capacity is 4GB. The display control terminal is installed with the Galaxy Kirin V10 desktop operating system.

[0021] The preferred embodiments of the present invention are described above with reference to the accompanying drawings. However, it should be understood that the above description is only exemplary. Those skilled in the art can make various modifications and variations to the present invention without departing from the spirit and scope of the present invention. The scope of protection of the present invention is defined by the attached claims.

Claims

1. A vehicle display and control terminal based on Loongson LS3A5000, Features: The vehicle-mounted display and control terminal has an 11.6-inch LCD display, 8GB memory capacity, and 128GB hard disk capacity. The display and control terminal provides 2 USB interfaces, 2 Gigabit fiber optic Ethernet interfaces, 2 CAN bus interfaces, 1 display interface output to the LVDS display, and 12 function buttons. The domestically produced Kylin V10 desktop operating system is installed; through the on-board display and control terminal, human-computer interaction is realized through the display screen and buttons, and vehicle-related functions are controlled.

2. According to claim 1, a vehicle display and control terminal based on Loongson LS3A5000, Features: The Loongson LS3A5000 is the processor of the vehicle display and control terminal, which is used for data processing and information interaction. The LS3A5000 is connected to the Loongson LS7A2000 bridge chip through its HT high-speed bus interface. The LS3A5000 processor is connected to 8 DDR4 memory particles through its two 72-bit DDR4 controllers with ECC. The memory particles used are DDR4 memory particles CXDQ3BFAM-IJ-A, the memory rate is 2666Mbps, the capacity of a single memory particle is 8Gb, and the total memory capacity is 8GB; LS3A5000 is connected to the external buttons through the GPIO interface.

3. According to claim 2, a vehicle display and control terminal based on Loongson LS3A5000, Features: The Loongson LS7A2000 bridge chip is used to realize the external interface expansion function; the LS7A2000 bridge chip is connected to the Loongson LS3A5000 processor through the HT high-speed bus interface; the LS7A2000 bridge chip integrates GPU, DC, DDR4 video memory controller and PCIE3.0, SATA3.0, USB3.0, GMAC, HDMI, I2C, UART, GPIO interfaces to provide all peripheral interface functions for the display and control terminal.

4. According to claim 3, a vehicle display and control terminal based on Loongson LS3A5000, Features: The Loongson LS7A2000 bridge chip is connected to the mSATA connector via the SATA3.0 interface and is equipped with a 128GB SSD solid state drive to achieve external storage function.

5. According to claim 2, a vehicle display and control terminal based on Loongson LS3A5000, Features: The 2-way CAN bus interface is output from the 2 CAN bus interfaces of LS7A2000 to the external connector through 2 CAN transceivers; the CAN transceiver uses an isolated CAN transceiver with integrated isolated power supply, model CP3053T; the 2-way CAN bus interface signal transmission rate is up to 1Mbps, which can realize the control of vehicle driving.

6. The vehicle-mounted display and control terminal based on Loongson LS3A5000 according to claim 2, Features: The two-channel Gigabit fiber-optic Ethernet interface is realized by the LS7A2000 bridge chip PCIE3.0X4 interface externally connected to the network controller WX1860AL2 and two 88E1512 PHY chips; the two 88E1512 chips convert the two RGMII signals output by WX1860AL2 into two FIBER signals to realize fiber-optic communication; the two FIBER signals are input into the optical module with the PRP dual-redundancy protocol; The optical module uses the JM032L-2M8103500 dual-channel receiving and transmitting optical module. The optical module is a standard 12-core MT pigtail optical interface, which can simultaneously realize two-way optical / electrical and electrical / optical conversion; the single-channel rate of the Gigabit fiber Ethernet interface is 10.3125Gbps, with a central wavelength of 850nm.

7. The vehicle-mounted display and control terminal based on Loongson LS3A5000 according to claim 2, Features: The two-way USB interface is realized by the USB interface integrated inside the LS7A2000 bridge chip; the USB differential signal is output to the USB connector after passing through the common mode inductor and the ESD protection circuit.

8. The vehicle-mounted display and control terminal based on Loongson LS3A5000 according to claim 2, Features: The 11.6-inch LVDS display screen is realized by the GPU display control module integrated in the LS7A2000 bridge chip through the output of an HDMI signal through a video conversion chip; the video conversion chip uses the video processing and display controller MS1861, which integrates HDMI, LVDS and video digital signal inputs in a single chip, and the output end can drive MIPI, LVDS, Mini-LVDS and TTL-LCD type liquid crystal displays; the LVDS display uses the LCD screen TM116VDSP03; the size is 11.6 inches, and the resolution is 1920 1080; LS7A2000 bridge chip video memory interface external video memory particles; video memory particles use DDR4 memory particles CXDQ3BFAM-IJ-A, the maximum memory rate supports 2666Mbps, a single chip is 8Gb, using 4 pieces, the total video memory capacity is 4GB.

9. The vehicle-mounted display and control terminal based on Loongson LS3A5000 according to claim 1, Features: Install the Kylin V10 desktop operating system.

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