CN107832182A - Detection means and system under vehicle-mounted chips wire - Google Patents
Detection means and system under vehicle-mounted chips wire Download PDFInfo
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- CN107832182A CN107832182A CN201711220620.6A CN201711220620A CN107832182A CN 107832182 A CN107832182 A CN 107832182A CN 201711220620 A CN201711220620 A CN 201711220620A CN 107832182 A CN107832182 A CN 107832182A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
- G06F11/25—Testing of logic operation, e.g. by logic analysers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
- G01R31/007—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks using microprocessors or computers
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- General Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
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Abstract
The present invention provides detection means and system under a kind of vehicle-mounted chips wire, is related to Vehicular display device technical field of measurement and test, detection means includes under vehicle-mounted chips wire：Master controller, SD card, FPGA device；Master controller, sent for obtaining the default setup code in SD card, and by default setup code to FPGA device；Wherein, the signal sequence detection that setup code is used for vehicle-mounted chip is preset；FPGA device, for default setup code to be input in vehicle-mounted chip to be detected, so that vehicle-mounted chip signal output, and judge whether vehicle-mounted chip is abnormal according to the signal.The device can be by the various setup codes that are prestored in SD card, fault detect is carried out to a variety of different vehicle-mounted chips, improve the convenience and the detection efficiency of simplification and vehicle-mounted chip of detection, solution connects the problem of process is cumbersome, and efficiency is low caused by burned device is detected by host computer in the prior art.
Description
Technical field
The present invention relates to vehicle-mounted chip testing technology field, more particularly, to detection means under a kind of vehicle-mounted chips wire and is
System.
Background technology
With being on the increase for automobile function, the functional chip that automobile inside carries is also more and more, such as：Vehicle mounted electric source core
Piece, vehicle mounted guidance chip, vehicle-mounted camera chip, gravity sensor chip etc., the performance of automobile is played vital
Effect.
Above-mentioned vehicle-mounted chip is widely used in various motor vehicles, substantially increase people by bus drive to experience.
At the same time, the problem of fault detect of vehicle-mounted chip is increasingly becoming major sensor chip supplier growing interest with maintenance.
Existing vehicle-mounted chip, because of the difference of its function, corresponding setup code is also different, thus is tested to it
When, it is necessary to connect burned device by host computer, this detection mode process is cumbersome, and efficiency is low.
The content of the invention
In view of this, it is an object of the invention to provide detection means and system under a kind of vehicle-mounted chips wire, can pass through
The various setup codes to be prestored in SD card, fault detect is carried out to a variety of different vehicle-mounted chips, improves the convenience of detection
With simplification and the detection efficiency of vehicle-mounted chip.
In a first aspect, the embodiments of the invention provide detection means under a kind of vehicle-mounted chips wire, including：Master controller, SD
Card, FPGA device；
Master controller, sent for obtaining the default setup code in SD card, and by default setup code to FPGA
Device；Wherein, the signal sequence detection that setup code is used for vehicle-mounted chip is preset；
FPGA device, for default setup code to be input in vehicle-mounted chip to be detected, so that vehicle-mounted chip is defeated
Go out signal, and according to signal, judge whether vehicle-mounted chip is abnormal.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein, it is main
Controller includes：SD card module for reading and writing；
Master controller obtains the default setup code in SD card, and setup code is turned by SD card module for reading and writing
Binary code is turned to send to FPGA device.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of second of first aspect, wherein, also
Including：Voltage detecting circuit；
Voltage detecting circuit is connected with vehicle-mounted chip and master controller respectively；
Voltage detecting circuit, sent for gathering the information of voltage of vehicle-mounted chip, and by information of voltage to master controller；
Master controller judges whether vehicle-mounted chip is abnormal according to information of voltage.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the third of first aspect, wherein, it is main
Controller also includes：A/D sampling modules；
A/D sampling modules, the analog voltage for voltage detecting circuit to be sent are converted into digital voltage value, so that main
Controller judges whether it exceedes predetermined voltage threshold according to digital voltage value.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 4th of first aspect kind, wherein, also
Including：Power module and voltage selection module；Power module includes：The voltage module of a variety of preset voltage values；
Voltage selection module is connected with power module and master controller；
Voltage selection module selects the electricity of the preset voltage value in power module according to the voltage selection instruction of master controller
Die block, predeterminated voltage is provided for vehicle-mounted chip.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 5th of first aspect kind, wherein,
FPGA device includes：Register module；
Register module is connected with master controller；
Register module, for storing binary code；
Master controller controls FPGA device to carry out signal sequence detection to vehicle-mounted chip by binary code.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 6th of first aspect kind, wherein, also
Including：Warning device；
Warning device is connected with master controller；
Master controller is in the output signal according to vehicle-mounted chip, when judging vehicle-mounted chip exception, sends and reports to warning device
Alert signal；
Warning device is alarmed according to alarm signal.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 7th of first aspect kind, wherein, bag
Include：Communication interface；
Communication interface is connected with FPGA device and vehicle-mounted chip respectively；
FPGA device is sent default setup code to vehicle-mounted chip by communication interface.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the 8th of first aspect kind, wherein, lead to
Letter interface includes：SPI interface.
Second aspect, the embodiment of the present invention also provide detecting system under a kind of vehicle-mounted chips wire, and system includes：Vehicle-mounted chip
And detection means under vehicle-mounted chips wire as described in relation to the first aspect.
The embodiment of the present invention brings following beneficial effect：
Detection means includes under vehicle-mounted chips wire provided in an embodiment of the present invention：SD card, FPGA device and master controller,
Setup code is previously stored with SD card, master controller sends the setup code got from SD card to FPGA devices
Part；Above-mentioned default setup code is used for vehicle-mounted chip signal time-series rules；Setup code is input to treats again by FPGA device
In the vehicle-mounted chip of detection, so that vehicle-mounted chip signal output, and according to above-mentioned signal, judge whether vehicle-mounted chip is abnormal.Should
Device can be carried out fault detect to a variety of different vehicle-mounted chips, improved by the various setup codes to be prestored in SD card
The convenience and simplification of detection and the detection efficiency of vehicle-mounted chip, solution connect burned device by host computer in the prior art
The problem of process is cumbersome caused by being detected, and efficiency is low.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and obtained in accompanying drawing.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended accompanying drawing, is described in detail below.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of detection means under a kind of vehicle-mounted chips wire that the embodiment of the present invention one provides；
Fig. 2 is the structural representation of detection means under a kind of vehicle-mounted chips wire that the embodiment of the present invention two provides；
Fig. 3 is the structural representation of the warning device in detection means under the vehicle-mounted chips wire that the embodiment of the present invention two provides
Figure；
Fig. 4 is the structural representation of detecting system under the vehicle-mounted chips wire that the embodiment of the present invention three provides.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with accompanying drawing to the present invention
Technical scheme be clearly and completely described, it is clear that described embodiment is part of the embodiment of the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of protection of the invention.
Current existing vehicle-mounted chip, because of the difference of its function, corresponding setup code is also different, thus enters to it
, it is necessary to connect burned device by host computer, this detection mode process is cumbersome, and efficiency is low during row test.
Based on this, the embodiment of the present invention provides detection means and system under a kind of vehicle-mounted chips wire, can be by SD card
The various setup codes to prestore, fault detects are carried out to a variety of different vehicle-mounted chips, improve the convenience of detection and simple
The detection efficiency of property and vehicle-mounted chip.
For ease of understanding the present embodiment, first to being examined under a kind of vehicle-mounted chips wire disclosed in the embodiment of the present invention
Device is surveyed to describe in detail.
Embodiment one：
The embodiments of the invention provide detection means under a kind of vehicle-mounted chips wire, shown in Figure 1, the device includes：It is main
Controller 12, SD card 11, FPGA device 13.
Wherein, master controller 12 is used to obtain the default setup code in SD card 11, and default setup code is sent out
Deliver to FPGA device 13；The signal sequence that above-mentioned default setup code is used for vehicle-mounted chip detects；FPGA device 13, for inciting somebody to action
Default setup code is input in vehicle-mounted chip to be detected, so that vehicle-mounted chip signal output, and judged according to the signal
Whether vehicle-mounted chip is abnormal.
In the present embodiment, it is to be based on that master controller 12, which uses STM32, STM32, In M processor
32 digit flash memory microcontrollers of core, there is provided the various software and hardware aids for being easy to left-hand seat.STM32MCU collection high-performance, in real time
Property, Digital Signal Processing, low-power consumption, low-voltage, while keep high integration and develop it is simple the characteristics of.
FAT (File Allocation Table) file system, FAT32 files are provided with STM32 master controllers 12
System format uses the file allocation table of 32, greatly enhances the managerial ability of disk, and the subregion for breaching FAT16 2GB holds
The limitation of amount.Because present hard disk manufacture cost declines, its capacity is increasing, can be with after FAT32 zoned format
One big hard disk is defined as a subregion, this greatly facilitates the management to disk.
The default setup code in SD card 11 can be easily read by above-mentioned FAT file system, this is default initial
Change code is TXT forms, can make vehicle-mounted chip signal output to be detected, FPGA device by performing above-mentioned setup code
13, according to above-mentioned signal, judge whether the vehicle-mounted chip is abnormal.
Specifically, vehicle-mounted chip includes：Vehicle power chip, vehicle mounted guidance chip, vehicle-mounted camera chip, gravity sensitive
Device chip etc..When the signal of the above-mentioned vehicle-mounted chip output detected does not meet preset signals, then the vehicle-mounted chip is judged
Occur abnormal.Such as when detecting that voltage signal is less than predetermined voltage threshold, it is determined that the vehicle-mounted chip is abnormal, further to this
Vehicle-mounted chip carries out power maintenance or replacing processing.
Detection means includes under vehicle-mounted chips wire provided in an embodiment of the present invention：SD card 11, FPGA device 13 and master control
Device 12 processed, setup code, the initialization generation that master controller 12 will be got from SD card 11 are previously stored with SD card 11
Code is sent to FPGA device 13；The signal sequence that above-mentioned default setup code is used for vehicle-mounted chip detects；FPGA device 13 is again
Setup code is input in vehicle-mounted chip to be detected, so that vehicle-mounted chip signal output, and car is judged according to the signal
Whether abnormal carry chip.The device can be by the various setup codes that are prestored in SD card 11, to a variety of different vehicle-mounted cores
Piece carries out fault detect, improves the convenience and the detection efficiency of simplification and vehicle-mounted chip of detection, solves in the prior art
The problem of process is cumbersome, and efficiency is low caused by burned device is detected is connected by host computer.
Embodiment two：
It is shown in Figure 2 the embodiments of the invention provide detection means under a kind of vehicle-mounted chips wire, the device except including
Outside master controller 22, SD card 21, FPGA device 23 described in embodiment one, in addition to：Voltage detecting circuit 24, power module
27th, voltage selection module 26, communication interface 25 and warning device 28.
Wherein, voltage detecting circuit 24 is connected with vehicle-mounted chip and master controller 22 respectively；Voltage detecting circuit 24, use
In the information of voltage of the vehicle-mounted chip of collection, and information of voltage is sent to master controller 22；Master controller 22 is according to information of voltage
Judge whether vehicle-mounted chip is abnormal.
Specifically, it is compared, is judged with predetermined voltage threshold by the magnitude of voltage for collecting voltage detecting circuit 24
Whether vehicle-mounted chip is abnormal, and when the magnitude of voltage collected is less than predetermined voltage threshold, master controller 22 judges the vehicle-mounted chip
It is abnormal.
Above-mentioned power module 27 includes the voltage module of a variety of preset voltage values, than the electricity if any 5V voltages, 3.3V voltages
Die block, according to the different model of vehicle-mounted chip or type suitable voltage module can be selected to be powered for it.It is specifically, electric
Pressure selecting module 26 is connected with power module 27 and master controller 22；Voltage selection module 26 is according to the voltage of master controller 22
Selection instruction, the voltage module of the preset voltage value in power module 27 is selected, predeterminated voltage is provided for vehicle-mounted chip.
It should be noted that above-mentioned voltage module is not limited only to 5V voltages, the electricity of 3.3V voltages that the present embodiment is provided
Die block, it can also be the voltage module of other amplitudes.
In addition, the communication interface 25 in the present embodiment is connected with FPGA device 23 and vehicle-mounted chip respectively；FPGA device
23 are sent default setup code to vehicle-mounted chip by communication interface 25.Communication interface 25 includes：SPI interface.Specifically,
Communication interface 25 uses SPI i2c interfaces.
Warning device 28 is connected with master controller 22；Master controller 22 is judging that vehicle-mounted chip is abnormal according to parameter information
When, send alarm signal to warning device 28；Warning device 28 is alarmed according to alarm signal.Specifically, warning device 28
Including but not limited to voice guard, visual alarm and voice announcer.Wherein, voice guard specifically includes：Buzzing
Device drive circuit and buzzer, controlled by square wave and drive passive buzzer to send predetermined sound, when detecting vehicle-mounted core
When piece occurs abnormal, by sending alarm, staff is reminded.
As shown in figure 3, buzzer drive circuit specifically includes：Resistance R5 and triode Q1；Resistance R5 one end connection
Master controller 22, other end connecting triode Q1 base stage；Triode Q1 grounded emitter, the of colelctor electrode connection buzzer
2 pins；The 1st pin connection resistance R6 of buzzer one end, resistance R6 other end connection master controller 22.
In the present embodiment, master controller 22 includes：SD card module for reading and writing 221, A/D sampling modules 222；Master controller 22
By SD card module for reading and writing 221, the default setup code in SD card 21 is obtained, and setup code is converted into binary system generation
Code is sent to FPGA device 23.A/D sampling modules 222, the analog voltage for voltage detecting circuit 24 to be sent are converted into
Digital voltage value, so that master controller 22 judges whether it exceedes predetermined voltage threshold according to digital voltage value.
FPGA device 23 includes：Register module 231；Register module 231 is connected with master controller 22；Register module
231, for storing binary code；Master controller 22 controls FPGA device 23 to carry out letter to vehicle-mounted chip by binary code
Number time-series rules.
Specifically, master controller 22 by SD card module for reading and writing 221, obtains the default setup code in SD card 21, and
Default setup code is sent into the register module 231 of FPGA device 23；FPGA device 23 passes through above-mentioned register mould
Default setup code is input in vehicle-mounted chip to be detected by block 231, so that vehicle-mounted chip signal output；Master controller 22
By A/D sampling modules 222, whether normal, and then judge whether the vehicle-mounted chip is different if detecting the output signal of the vehicle-mounted chip
Often.
Embodiment three：
The embodiment of the present invention also provides detecting system under a kind of vehicle-mounted chips wire, and shown in Figure 4, the system includes：Car
Carry detection means 32 under chip 31 and vehicle-mounted chips wire as described in relation to the first aspect.
Detection means 32 under detecting system under the vehicle-mounted chips wire that the embodiment of the present invention is provided, with foregoing vehicle-mounted chips wire
With identical technical characteristic, therefore, above-mentioned function can be equally realized.The specific work process of the system is referring to the above method
Embodiment, it will not be repeated here.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, can be with
Realize by another way.Device embodiment described above is only schematical, for example, the division of the unit,
Only a kind of division of logic function, can there is other dividing mode when actually realizing, in another example, multiple units or component can
To combine or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or beg for
The mutual coupling of opinion or direct-coupling or communication connection can be by some communication interfaces, device or unit it is indirect
Coupling or communication connection, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in the executable non-volatile computer read/write memory medium of a processor.Based on such understanding, the present invention
The part that is substantially contributed in other words to prior art of technical scheme or the part of the technical scheme can be with software
The form of product is embodied, and the computer software product is stored in a storage medium, including some instructions are causing
One computer equipment (can be personal computer, server, or network equipment etc.) performs each embodiment institute of the present invention
State all or part of step of method.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with
The medium of store program codes.
Finally it should be noted that：Embodiment described above, it is only the embodiment of the present invention, to illustrate the present invention
Technical scheme, rather than its limitations, protection scope of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those within the art that：Any one skilled in the art
The invention discloses technical scope in, it can still modify to the technical scheme described in previous embodiment or can be light
Change is readily conceivable that, or equivalent substitution is carried out to which part technical characteristic；And these modifications, change or replacement, do not make
The essence of appropriate technical solution departs from the spirit and scope of technical scheme of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, protection scope of the present invention described should be defined by scope of the claims.
Claims (10)
- A kind of 1. detection means under vehicle-mounted chips wire, it is characterised in that including：Master controller, SD card, FPGA device；The master controller, sent out for obtaining the default setup code in the SD card, and by the default setup code Deliver to the FPGA device；Wherein, the default setup code is used for the signal sequence detection of vehicle-mounted chip；The FPGA device, for the default setup code to be input in vehicle-mounted chip to be detected, so that the car Chip signal output is carried, and according to the signal, judges whether the vehicle-mounted chip is abnormal.
- 2. device according to claim 1, it is characterised in that the master controller includes：SD card module for reading and writing；The master controller obtains the default setup code in the SD card, and incite somebody to action by the SD card module for reading and writing The setup code is converted into binary code and sent to the FPGA device.
- 3. device according to claim 1, it is characterised in that also include：Voltage detecting circuit；The voltage detecting circuit is connected with the vehicle-mounted chip and the master controller respectively；The voltage detecting circuit, sent for gathering the information of voltage of the vehicle-mounted chip, and by the information of voltage to institute State master controller；The master controller judges whether the vehicle-mounted chip is abnormal according to the information of voltage.
- 4. device according to claim 1, it is characterised in that the master controller also includes：A/D sampling modules；The A/D sampling modules, the analog voltage for the voltage detecting circuit to be sent are converted into digital voltage value, with The master controller is set to judge whether it exceedes predetermined voltage threshold according to the digital voltage value.
- 5. device according to claim 1, it is characterised in that also include：Power module and voltage selection module；It is described Power module includes：The voltage module of a variety of preset voltage values；The voltage selection module is connected with the power module and the master controller；The voltage selection module selects described pre- in the power module according to the voltage selection instruction of the master controller If the voltage module of magnitude of voltage, predeterminated voltage is provided for the vehicle-mounted chip.
- 6. device according to claim 2, it is characterised in that the FPGA device includes：Register module；The register module is connected with the master controller；The register module, for storing the binary code；The master controller controls the FPGA device to carry out signal sequence to the vehicle-mounted chip by the binary code Detection.
- 7. device according to claim 1, it is characterised in that also include：Warning device；The warning device is connected with the master controller；The master controller is in the output signal according to the vehicle-mounted chip, when judging the vehicle-mounted chip exception, to the report Alarm device sends alarm signal；The warning device is alarmed according to the alarm signal.
- 8. device according to claim 1, it is characterised in that including：Communication interface；The communication interface is connected with the FPGA device and the vehicle-mounted chip respectively；The FPGA device is sent the default setup code to the vehicle-mounted chip by the communication interface.
- 9. device according to claim 8, it is characterised in that the communication interface includes：SPI interface.
- 10. detecting system under a kind of vehicle-mounted chips wire, it is characterised in that the system includes：Vehicle-mounted chip and as right will Seek detection means under the vehicle-mounted chips wire described in 1 to 9 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711220620.6A CN107832182A (en) | 2017-11-28 | 2017-11-28 | Detection means and system under vehicle-mounted chips wire |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711220620.6A CN107832182A (en) | 2017-11-28 | 2017-11-28 | Detection means and system under vehicle-mounted chips wire |
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| CN202939980U (en) * | 2012-11-22 | 2013-05-15 | 深圳市视景达科技有限公司 | Program burner |
| CN103970117A (en) * | 2013-01-30 | 2014-08-06 | 上海海尔集成电路有限公司 | MCU (microprogrammed control unit) chip detecting method and circuit |
| CN105093094A (en) * | 2015-09-16 | 2015-11-25 | 中国人民解放军国防科学技术大学 | Automatic chip power-on reliability detection device and detection method |
| CN105653330A (en) * | 2015-12-30 | 2016-06-08 | 国家电网公司 | SD card based NorFlash programming system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5608272A (en) * | 1994-07-07 | 1997-03-04 | Otoprotec, Inc. | Vehicle anti-theft device |
| CN201751855U (en) * | 2009-12-23 | 2011-02-23 | 中兴通讯股份有限公司 | Testing device and testing control device of transmission chip |
| CN102183726A (en) * | 2011-03-16 | 2011-09-14 | 建荣集成电路科技(珠海)有限公司 | Field programmable gate array (FPGA)-based integrated circuit chip testing system and method |
| CN202939980U (en) * | 2012-11-22 | 2013-05-15 | 深圳市视景达科技有限公司 | Program burner |
| CN103970117A (en) * | 2013-01-30 | 2014-08-06 | 上海海尔集成电路有限公司 | MCU (microprogrammed control unit) chip detecting method and circuit |
| CN105093094A (en) * | 2015-09-16 | 2015-11-25 | 中国人民解放军国防科学技术大学 | Automatic chip power-on reliability detection device and detection method |
| CN105653330A (en) * | 2015-12-30 | 2016-06-08 | 国家电网公司 | SD card based NorFlash programming system and method |
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Application publication date: 20180323 |