CN106055037A - Motor vehicle-mounted computer based on ARM ((Advanced RISC Machine)) RISC (Reduced Instruction Set Computer) core processor - Google Patents
Motor vehicle-mounted computer based on ARM ((Advanced RISC Machine)) RISC (Reduced Instruction Set Computer) core processor Download PDFInfo
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Abstract
The invention relates to a vehicle-mounted computer in a motor vehicle driving examination system, in particular to a motor vehicle-mounted computer based on an ARM ((Advanced RISC Machine)) RISC (Reduced Instruction Set Computer) core processor, and aims to solve the problems of low starting speed, low stability, high heating value and high cost of a vehicle-mounted computer in an existing motor vehicle driving examination system. The motor vehicle-mounted computer based on the ARM RISC core processor comprises a DC-DC power circuit, an S5PV210 processor core board, an audio encoding-decoding circuit, an Ethernet interface circuit, a GPS (Global Positioning System) interface circuit, an SD (Secure Digital) card interface circuit, an RS232 serial circuit, a clock battery trickle charging-discharging circuit, a liquid crystal screen interface circuit, an FM (Frequency Modulation) receiving-transmitting circuit, an audio power amplifying circuit, a USB (Universal Serial Bus) concentrator, a USB interface circuit and a USB virtual serial circuit. The motor vehicle-mounted computer is suitable for the motor vehicle driving examination system.
Description
Technical field
The present invention relates to the vehicle-mounted computer in motor vehicle driving examination system, specifically a kind of based on ARM RISC kernel at
The carried on vehicle computer of reason device.
Background technology
Vehicle-mounted computer in existing motor vehicle driving examination system is generally with X 86 processor as core, and based on desktop
The industrial computer of computer system exploitation.This kind of industrial computer is limited due to self principle, generally exists and starts slowly, poor stability, sends out
The problem that heat is big, cost is high, the most seriously constrains the performance of motor vehicle driving examination system.Based on this, it is necessary to invention one
Plant brand-new vehicle-mounted computer, to solve the problems referred to above that the vehicle-mounted computer in existing motor vehicle driving examination system exists.
Summary of the invention
The present invention is to solve that vehicle-mounted computer in existing motor vehicle driving examination system starts slowly, poor stability, sends out
The problem that heat is big, cost is high, it is provided that a kind of carried on vehicle computer based on ARM RISC core processor.
The present invention adopts the following technical scheme that realization:
Carried on vehicle computer based on ARM RISC core processor, including DC-DC power source circuit, S5PV210 processor core
Core, audio coding decoding circuit, ethernet interface circuit, GPS interface circuit, SD card interface circuit, RS232 serial port circuit, time
Clock battery trickle charge-discharge circuit, LCD Interface circuit, FM transmission circuit, audio power amplifier circuit, usb hub and USB connect
Mouth circuit, USB virtual serial port circuit；Wherein, S5PV210 processor core core, audio coding decoding circuit, Ethernet interface electricity
Road, GPS interface circuit, SD card interface circuit, RS232 serial port circuit, Clock battery trickle charge-discharge circuit, LCD Interface electricity
Road, FM transmission circuit, audio power amplifier circuit, usb hub and usb circuit, USB virtual serial port circuit are all electric with DC-DC
Source circuit connects；Audio coding decoding circuit, ethernet interface circuit, GPS interface circuit, SD card interface circuit, RS232 serial port power
Road, Clock battery trickle charge-discharge circuit, LCD Interface circuit, usb hub and usb circuit all with S5PV210 at
Reason device core board connects；FM transmission circuit is connected with audio coding decoding circuit；Audio power amplifier circuit is electric with audio coding decoding respectively
Road and FM transmission circuit connect；USB virtual serial port circuit respectively with RS232 serial port circuit and usb hub and usb circuit
Connect.
Specific works process is as follows: DC-DC power source circuit is respectively to S5PV210 processor core core, audio coding decoding electricity
Road, ethernet interface circuit, GPS interface circuit, SD card interface circuit, RS232 serial port circuit, Clock battery trickle discharge and recharge electricity
Road, LCD Interface circuit, FM transmission circuit, audio power amplifier circuit, usb hub and usb circuit, USB virtual serial port
Circuit is powered, and thereby guarantees that each normal circuit operation.S5PV210 processor core core comprises S5PV210 primary processor,
The each item data realizing vehicle-mounted computer processes and controls function.Audio coding decoding circuit realiration audio coding decoding function.Ethernet
Interface circuit realizes Ethernet interface function.GPS interface circuit realiration GPS interface function.SD card interface circuit realizes SD clamping
Mouth function.RS232 serial port circuit realizes RS232 serial port function.Clock battery trickle charge-discharge circuit maintains S5PV210 processor
The clock operating of core board.LCD Interface circuit realiration LCD Interface function.FM transmission circuit realizes FM transmission-receiving function.Sound
Frequently power amplifier realizes audio frequency power amplifier function.Usb hub and usb circuit realize usb hub and usb function.
USB virtual serial port circuit realiration USB virtual serial port function.
Based on said process, compared with the vehicle-mounted computer in existing motor vehicle driving examination system, base of the present invention
In ARM RISC core processor carried on vehicle computer by use brand-new ARM architecture processor S5PV210, be greatly improved
Toggle speed and stability, effectively reduce operational heat, significantly reduce cost, be thus obviously improved motor vehicle driving
The performance of examination system.
Present configuration is reasonable, it is ingenious to design, and efficiently solves the vehicle-mounted computer in existing motor vehicle driving examination system
Start slowly, poor stability, heating is big, cost is high problem, it is adaptable to motor vehicle driving examination system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
Fig. 2 is the circuit theory diagrams of DC-DC power source circuit in the present invention.
Fig. 3 is the Part I circuit theory diagrams of S5PV210 processor core core in the present invention.
Fig. 4 is the Part II circuit theory diagrams of S5PV210 processor core core in the present invention.
Fig. 5 is the Part III circuit theory diagrams of S5PV210 processor core core in the present invention.
Fig. 6 is the circuit theory diagrams of sound intermediate frequency coding-decoding circuit of the present invention.
Fig. 7 is the Part I circuit theory diagrams of ethernet interface circuit in the present invention.
Fig. 8 is the Part II circuit theory diagrams of ethernet interface circuit in the present invention.
Fig. 9 is the circuit theory diagrams of GPS interface circuit in the present invention.
Figure 10 is the circuit theory diagrams of SD card interface circuit in the present invention.
Figure 11 is the circuit theory diagrams of RS232 serial port circuit in the present invention.
Figure 12 is the circuit theory diagrams of Clock battery trickle charge-discharge circuit in the present invention.
Figure 13 is the circuit theory diagrams of LCD Interface circuit in the present invention.
Figure 14 is the circuit theory diagrams of FM transmission circuit in the present invention.
Figure 15 is the circuit theory diagrams of sound intermediate frequency power amplifier of the present invention.
Figure 16 is the Part I circuit theory diagrams of usb hub and usb circuit in the present invention.
Figure 17 is the Part II circuit theory diagrams of usb hub and usb circuit in the present invention.
Figure 18 is the circuit theory diagrams of USB virtual serial port circuit in the present invention.
Detailed description of the invention
Carried on vehicle computer based on ARM RISC core processor, including DC-DC power source circuit, S5PV210 process
Device core board, audio coding decoding circuit, ethernet interface circuit, GPS interface circuit, SD card interface circuit, RS232 serial port power
Road, Clock battery trickle charge-discharge circuit, LCD Interface circuit, FM transmission circuit, audio power amplifier circuit, usb hub and
Usb circuit, USB virtual serial port circuit；Wherein, S5PV210 processor core core, audio coding decoding circuit, Ethernet connect
Mouth circuit, GPS interface circuit, SD card interface circuit, RS232 serial port circuit, Clock battery trickle charge-discharge circuit, liquid crystal display screen connect
Mouthful circuit, FM transmission circuit, audio power amplifier circuit, usb hub and usb circuit, USB virtual serial port circuit are all and DC-
D/C power circuit connects；Audio coding decoding circuit, ethernet interface circuit, GPS interface circuit, SD card interface circuit, RS232 go here and there
Mouthful circuit, Clock battery trickle charge-discharge circuit, LCD Interface circuit, usb hub and usb circuit all with
S5PV210 processor core core connects；FM transmission circuit is connected with audio coding decoding circuit；Audio power amplifier circuit respectively with audio frequency
Coding-decoding circuit and FM transmission circuit connect；USB virtual serial port circuit respectively with RS232 serial port circuit and usb hub and USB
Interface circuit connects.
Described DC-DC power source circuit include socket CN6, wave filter L2, two K7805-500 voltage stabilizing chip P5, P6, two
LT1117-3.3V linear voltage stabilization chip U1, U3；The input port of wave filter L2 is connected with socket CN6；The outfan of wave filter L2
Mouth is as 12V supply port；The input port of two K7805-500 voltage stabilizing chip P5, P6 is all connected with 12V supply port；Two
The output port of individual K7805-500 voltage stabilizing chip P5, P6 is all as 5V supply port；Two LT1117-3.3V linear voltage stabilization cores
The input port of sheet U1, U3 is all connected with 5V supply port；The outfan of two LT1117-3.3V linear voltage stabilization chip U1, U3
Mouth is all as 3.3V supply port；
During specific works, outer power voltage the most filtered device L2 is filtered into 12V supply voltage, then through two K7805-
500 voltage stabilizing chip P5, P6 are converted to 5V supply voltage, after be converted to through two LT1117-3.3V linear voltage stabilization chip U1, U3
3.3V supply voltage, is thus powered；
Described S5PV210 processor core core includes S5PV210 primary processor H；The power port of S5PV210 primary processor H divides
It is not connected with 5V supply port and 3.3V supply port；
Described audio coding decoding circuit includes WM8960 audio coding decoding chip U6, electric capacity electret microphone P7；WM8960 sound
Frequently the power port of codec chip U6 is connected with 5V supply port and 3.3V supply port respectively；WM8960 audio coding decoding core
Sheet U6 and S5PV210 primary processor H is bi-directionally connected；The input port of WM8960 audio coding decoding chip U6 and electric capacity electret wheat
Gram wind P7 connects；
During specific works, S5PV210 primary processor H by WM8960 audio coding decoding chip U6 respectively with electric capacity electret mike
Wind P7, second RDA5820 digital tuning frequency modulation chip P13, first TDA2822M power amplifier chips U2 carry out signal transmission；?
In signals transmission, WM8960 audio coding decoding chip U6 carries out audio coding decoding process to signal, is achieved in audio frequency and compiles
Decoding function；
Described ethernet interface circuit includes DM9000 Ethernet chip U7, H1102 magnetic transformer T1；DM9000 ether
The power port of network interface chip U7 is connected with 3.3V supply port；The main place of DM9000 Ethernet chip U7 Yu S5PV210
Reason device H is bi-directionally connected；DM9000 Ethernet chip U7 is bi-directionally connected with socket CN6 by H1102 magnetic transformer T1；
During specific works, S5PV210 primary processor H by DM9000 Ethernet chip U7, H1102 magnetic transformer T1,
Socket CN6 and Ethernet carry out signal transmission；In signals transmission, signal is carried out by DM9000 Ethernet chip U7
Differential conversion, signal is filtered by H1102 magnetic transformer T1, is achieved in Ethernet interface function；
Described GPS interface circuit includes UAN480S near radio module P4,2.0mm interval S IP connector CN4；UAN480S
The power port of near radio module P4 is connected with 5V supply port；UAN480S near radio module P4 is by between 2.0mm
It is bi-directionally connected away from SIP adapter CN4 and S5PV210 primary processor H；
During specific works, S5PV210 primary processor H passes through UAN480S near radio module P4,2.0mm interval S IP connector
CN4 and Test Centre carry out signal transmission；In signals transmission, signal is carried out by UAN480S near radio module P4
GPS message is changed, and is achieved in GPS interface function；
Described SD card interface circuit includes SD card interface chip U14；The power port of SD card interface chip U14 and 3.3V feeder ear
Mouth connects；SD card interface chip U14 and S5PV210 primary processor H is bi-directionally connected；
During specific works, S5PV210 primary processor H carries out signal transmission by SD card interface chip U14 with SD card；Pass at signal
During defeated, signal is changed by SD card interface chip U14, is achieved in SD card interface function；
Described RS232 serial port circuit includes two MAX3232EEY chip U8, U11；Two MAX3232EEY chip U8, U11's
Power port is all connected with 3.3V supply port；First MAX3232EEY chip U8 respectively with S5PV210 primary processor H and inserting
Seat CN6 is bi-directionally connected；Second MAX3232EEY chip U11 is bi-directionally connected with socket CN6；
During specific works, S5PV210 primary processor H is entered with external equipment by first MAX3232EEY chip U8, socket CN6
Row carries out signal transmission, and second MAX3232EEY chip U11 carries out signal transmission by socket CN6 with external equipment；
In signals transmission, two MAX3232EEY chip U8, U11 carry out RS232 conversion to signal, are achieved in RS232 string
Mouth function；
Described Clock battery trickle charge-discharge circuit includes diode D6, CR1220 button cell BT1, current-limiting resistance R73；Two poles
The anode of pipe D6 is connected with 3.3V supply port；The negative electrode of diode D6 is by current-limiting resistance R73 and S5PV210 primary processor H
Power port connect, and the negative electrode of diode D6 is connected with the positive pole of CR1220 button cell BT1；CR1220 button cell
The minus earth of BT1；
During specific works, 3.3V supply port is charged to CR1220 button cell BT1 by diode D6, CR1220 button cell
BT1 provides micro-electric current by current-limiting resistance R73 to the real-time clock module of S5PV210 primary processor H, thus maintains S5PV210
The clock operating of primary processor H；
Described LCD Interface circuit includes 0.5mm spacing FPC connector LCD2,1.0mm spacing FPC connector CN12；0.5mm
Spacing FPC connector LCD2 is connected with the output port of S5PV210 primary processor H；1.0mm spacing FPC connector CN12 with
The input port of S5PV210 primary processor H connects；
During specific works, S5PV210 primary processor H carries out signal biography by 0.5mm spacing FPC connector LCD2 and liquid crystal display screen
Defeated, S5PV210 primary processor H carries out signal transmission by 1.0mm spacing FPC connector CN12 and electric resistance touch screen, thus real
Existing LCD Interface function；
Described FM transmission circuit includes two RDA5820 digital tuning frequency modulation chip P12, P13；Two RDA5820 digital tunings
The power port of frequency modulation chip P12, P13 is all connected with 3.3V supply port；First RDA5820 digital tuning frequency modulation chip
P12 is bi-directionally connected with socket CN6；The input port of second RDA5820 digital tuning frequency modulation chip P13 is compiled with WM8960 audio frequency
The output port of decoding chip U6 connects；
During specific works, first RDA5820 digital tuning frequency modulation chip P12 carries out signal by socket CN6 and Test Centre
Transmission, second RDA5820 digital tuning frequency modulation chip P13 and WM8960 audio coding decoding chip U6 carries out signal transmission, by
This realizes FM transmission-receiving function；
Described audio power amplifier circuit include 78M06 linear voltage regulator U5, two TDA2822M power amplifier chips U2, U4, two raise one's voice
Device CN1, CN2；The input port of 78M06 linear voltage regulator U5 is connected with 12V supply port；78M06 linear voltage regulator U5's is defeated
Go out the port power port respectively with two TDA2822M power amplifier chips U2, U4 to be connected；First TDA2822M power amplifier chips U2
Input port be connected with the output port of WM8960 audio coding decoding chip U6；First TDA2822M power amplifier chips U2's is defeated
Go out port and first speaker CN1 connects；The input port of second TDA2822M power amplifier chips U4 and second RDA5820
The output port of digital tuning frequency modulation chip P13 connects；The output port of second TDA2822M power amplifier chips U4 and second
Speaker CN2 connects；
During specific works, WM8960 audio coding decoding chip U6 is raised one's voice by first TDA2822M power amplifier chips U2 and first
Device CN1 carries out signal transmission, and WM8960 audio coding decoding chip U6 is by second TDA2822M power amplifier chips U4 and second
Speaker CN2 carries out signal transmission；In signals transmission, two TDA2822M power amplifier chips U2, U4 carry out merit to signal
Rate is amplified, and signal is played out by two speakers CN1, CN2, is achieved in audio frequency power amplifier function；
Described usb hub and usb circuit include mini-B type USB socket U9, AU9254A21 usb hub U10, A
Type USB socket U15；Mini-B type USB socket U9 is bi-directionally connected with S5PV210 primary processor H；AU9254A21 usb hub
The power port of U10 is connected with 5V supply port；AU9254A21 usb hub U10 respectively with S5PV210 primary processor H and A
Type USB socket U15 is bi-directionally connected；
During specific works, S5PV210 primary processor H is entered with examination program debugging deployment facility by mini-B type USB socket U9
Row signal transmits, and S5PV210 primary processor H passes through AU9254A21 usb hub U10, A type USB socket U15 and external USB
Equipment carries out signal transmission；In signals transmission, AU9254A21 usb hub U10 is by S5PV210 primary processor H's
One road USB port is converted to four road USB ports, and wherein two-way USB port is connected to A type USB socket U15, is achieved in USB set
Line device and usb function；
Described USB virtual serial port circuit includes two FT232 chip U12, U13；The power end of two FT232 chip U12, U13
Mouth is all connected with 3.3V supply port；Two FT232 chip U12, U13 all with AU9254A21 usb hub U10 and second
MAX3232EEY chip U11 is bi-directionally connected；
During specific works, AU9254A21 usb hub U10 is by two FT232 chip U12, U13 and second
MAX3232EEY chip U11 carries out signal transmission；In signals transmission, two FT232 chip U12, U13 are by other two-way
USB port is converted to universal asynchronous serial, is achieved in USB virtual serial port function.
Claims (2)
1. a carried on vehicle computer based on ARM RISC core processor, it is characterised in that: include DC-DC power source electricity
Road, S5PV210 processor core core, audio coding decoding circuit, ethernet interface circuit, GPS interface circuit, SD card interface electricity
Road, RS232 serial port circuit, Clock battery trickle charge-discharge circuit, LCD Interface circuit, FM transmission circuit, audio frequency power amplifier electricity
Road, usb hub and usb circuit, USB virtual serial port circuit；Wherein, S5PV210 processor core core, audio coding decoding
Circuit, ethernet interface circuit, GPS interface circuit, SD card interface circuit, RS232 serial port circuit, Clock battery trickle discharge and recharge
Circuit, LCD Interface circuit, FM transmission circuit, audio power amplifier circuit, usb hub and usb circuit, the virtual string of USB
Mouth circuit is all connected with DC-DC power source circuit；Audio coding decoding circuit, ethernet interface circuit, GPS interface circuit, SD clamping
Mouth circuit, RS232 serial port circuit, Clock battery trickle charge-discharge circuit, LCD Interface circuit, usb hub and USB interface
Circuit is all connected with S5PV210 processor core core；FM transmission circuit is connected with audio coding decoding circuit；Audio power amplifier circuit divides
It is not connected with audio coding decoding circuit and FM transmission circuit；USB virtual serial port circuit respectively with RS232 serial port circuit and USB set
Line device and usb circuit connect.
Carried on vehicle computer based on ARM RISC core processor the most according to claim 1, it is characterised in that:
Described DC-DC power source circuit include socket (CN6), wave filter (L2), two K7805-500 voltage stabilizing chip (P5, P6), two
Individual LT1117-3.3V linear voltage stabilization chip (U1, U3)；The input port of wave filter (L2) is connected with socket (CN6)；Wave filter
(L2) output port is as 12V supply port；The input port of two K7805-500 voltage stabilizing chip (P5, P6) all supplies with 12V
Electricity port connects；The output port of two K7805-500 voltage stabilizing chip (P5, P6) is all as 5V supply port；Two LT1117-
The input port of 3.3V linear voltage stabilization chip (U1, U3) is all connected with 5V supply port；Two LT1117-3.3V linear voltage stabilization cores
The output port of sheet (U1, U3) is all as 3.3V supply port；
Described S5PV210 processor core core includes S5PV210 primary processor (H)；The power end of S5PV210 primary processor (H)
Mouth is connected with 5V supply port and 3.3V supply port respectively；
Described audio coding decoding circuit includes WM8960 audio coding decoding chip (U6), electric capacity electret microphone (P7)；
The power port of WM8960 audio coding decoding chip (U6) is connected with 5V supply port and 3.3V supply port respectively；WM8960 sound
Frequently codec chip (U6) is bi-directionally connected with S5PV210 primary processor (H)；The input of WM8960 audio coding decoding chip (U6)
Mouth is connected with electric capacity electret microphone (P7)；
Described ethernet interface circuit includes DM9000 Ethernet chip (U7), H1102 magnetic transformer (T1)；DM9000
The power port of Ethernet chip (U7) is connected with 3.3V supply port；DM9000 Ethernet chip (U7) with
S5PV210 primary processor (H) is bi-directionally connected；DM9000 Ethernet chip (U7) by H1102 magnetic transformer (T1) with
Socket (CN6) is bi-directionally connected；
Described GPS interface circuit includes UAN480S near radio module (P4), 2.0mm interval S IP connector (CN4)；
The power port of UAN480S near radio module (P4) is connected with 5V supply port；UAN480S near radio module (P4)
It is bi-directionally connected with S5PV210 primary processor (H) by 2.0mm interval S IP connector (CN4)；
Described SD card interface circuit includes SD card interface chip (U14)；The power port of SD card interface chip (U14) supplies with 3.3V
Electricity port connects；SD card interface chip (U14) is bi-directionally connected with S5PV210 primary processor (H)；
Described RS232 serial port circuit includes two MAX3232EEY chips (U8, U11)；Two MAX3232EEY chips (U8,
U11) power port is all connected with 3.3V supply port；First MAX3232EEY chip (U8) place main with S5PV210 respectively
Reason device (H) and socket (CN6) are bi-directionally connected；Second MAX3232EEY chip (U11) is bi-directionally connected with socket (CN6)；
Described Clock battery trickle charge-discharge circuit includes diode (D6), CR1220 button cell (BT1), current-limiting resistance
(R73)；The anode of diode (D6) is connected with 3.3V supply port；The negative electrode of diode (D6) by current-limiting resistance (R73) with
The power port of S5PV210 primary processor (H) connects, and the negative electrode of diode (D6) is with CR1220 button cell (BT1) just
Pole connects；The minus earth of CR1220 button cell (BT1)；
Described LCD Interface circuit includes 0.5mm spacing FPC connector (LCD2), 1.0mm spacing FPC connector (CN12)；
0.5mm spacing FPC connector (LCD2) is connected with the output port of S5PV210 primary processor (H)；1.0mm spacing FPC connector
(CN12) input port with S5PV210 primary processor (H) is connected；
Described FM transmission circuit includes two RDA5820 digital tuning frequency modulation chip (P12, P13)；Two RDA5820 numerals are adjusted
The power port of harmony frequency chip (P12, P13) is all connected with 3.3V supply port；First RDA5820 digital tuning frequency modulation core
Sheet (P12) is bi-directionally connected with socket (CN6)；The input port of second RDA5820 digital tuning frequency modulation chip (P13) with
The output port of WM8960 audio coding decoding chip (U6) connects；
Described audio power amplifier circuit include 78M06 linear voltage regulator (U5), two TDA2822M power amplifier chips (U2, U4), two
Speaker (CN1, CN2)；The input port of 78M06 linear voltage regulator (U5) is connected with 12V supply port；78M06 linear voltage stabilization
The output port of device (U5) power port with two TDA2822M power amplifier chips (U2, U4) respectively is connected；First
The input port of TDA2822M power amplifier chips (U2) is connected with the output port of WM8960 audio coding decoding chip (U6)；First
Output port and first speaker (CN1) of TDA2822M power amplifier chips (U2) connect；Second TDA2822M power amplifier chips
(U4) input port and the output port of second RDA5820 digital tuning frequency modulation chip (P13) connect；Second
Output port and second speaker (CN2) of TDA2822M power amplifier chips (U4) connect；
Described usb hub and usb circuit include mini-B type USB socket (U9), AU9254A21 usb hub
(U10), A type USB socket (U15)；Mini-B type USB socket (U9) is bi-directionally connected with S5PV210 primary processor (H)；
The power port of AU9254A21 usb hub (U10) is connected with 5V supply port；AU9254A21 usb hub (U10) point
It is not bi-directionally connected with S5PV210 primary processor (H) and A type USB socket (U15)；
Described USB virtual serial port circuit includes two FT232 chips (U12, U13)；The electricity of two FT232 chips (U12, U13)
Source port is all connected with 3.3V supply port；Two FT232 chips (U12, U13) all with AU9254A21 usb hub (U10)
It is bi-directionally connected with second MAX3232EEY chip (U11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610574609.9A CN106055037A (en) | 2016-07-21 | 2016-07-21 | Motor vehicle-mounted computer based on ARM ((Advanced RISC Machine)) RISC (Reduced Instruction Set Computer) core processor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610574609.9A CN106055037A (en) | 2016-07-21 | 2016-07-21 | Motor vehicle-mounted computer based on ARM ((Advanced RISC Machine)) RISC (Reduced Instruction Set Computer) core processor |
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