CN106569437A - N-channel burning calibration verification method - Google Patents
N-channel burning calibration verification method Download PDFInfo
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- CN106569437A CN106569437A CN201610908502.3A CN201610908502A CN106569437A CN 106569437 A CN106569437 A CN 106569437A CN 201610908502 A CN201610908502 A CN 201610908502A CN 106569437 A CN106569437 A CN 106569437A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/61—Installation
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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Abstract
The invention discloses an N-channel burning calibration verification method. The method comprises the following steps that a master control module circuit board is controlled to adopt (N+1) single-chip microcomputer distribution assignment, wherein a master control single chip microcomputer is distributed in a master control area of a main control board and is distributed on an upper left side of a master control circuit board; other N single-chip microcomputer slices are arranged in parallel and are successively and orderly distributed from a first channel to an Nth channel according to a mode from right to left; the master single chip microcomputer distributes two bytes to control each channel, a control scope is distributed according to three bytes from 000001 to 0FFFFF, each channel corresponds to 1 bit and follows an assignment from a high position channel to a low position channel from left to right, ''1111 1111 1111 1111 1111'' expresses that a leftmost bit represents a conduction state of the Nth channel, when the bit is ''1'', conduction is represented, and when the bit is ''0'', closing is represented; the N channels are arranged orderly. Through adopting an improved N-channel burning calibration verification integration equipment scheme, a calibration effect is good.
Description
Technical field
The present invention relates to hardware art, more particularly to a kind of N channel burning calibration method of calibration.
Background technology
Generally need the burning program in IC to be controlled in single-unit managing electric quantity IC products, need to product after burning program
Performance burning calibration check test is carried out, to guarantee that the program of burning meets product demand.At present, some managing electric quantities IC products
Middle client needs to be controlled using BQ27411 IC, and this series of products is referred to as single-unit managing electric quantity IC BQ27411 systems
The product of row.After the product burning program of single-unit managing electric quantity IC BQ27411 series, enterprise is needed to single-unit managing electric quantity IC
The product of BQ27411 series carries out burning calibration check test, to guarantee that the program of burning meets customer demand.It is more existing
Enterprise mainly carries out burning to the burning calibration check test mode of BQ27411 series managing electric quantity IC products under I2C states
Need to be carried out using third party's hardware EV2300 and its supporting software in calibration check test, and test process single pass
Check test is calibrated in the burning of I2C states, and test 1PCS needs time-consuming 50S just to complete burning calibration verification, and testing efficiency is low,
Enterprise demand can not be met.Therefore, how quickly the product of single-unit managing electric quantity IC BQ27411 series to be tested, is improved
Testing efficiency becomes enterprise's problem demanding prompt solution.
The content of the invention
Based on this, the invention provides a kind of N channel burning calibration method of calibration.
Method of calibration is calibrated in a kind of N channel burning, and methods described includes：
Using (N+1) individual single-chip microcomputer distribution arrangement in control main control module circuit board, wherein main control singlechip is distributed in master control borad
In master control region in, be distributed in the upper left side of main control board, remaining N number of single-chip microcomputer slice, thin piece is arranged in parallel, by from right to left
Mode from 1 passage to N channel successively ordered distribution；
Host scm distributes two bytes to be controlled each passage, tri- from 000001 to 0FFFFF bytes of span of control
Distribution, each passage correspondence 1, it then follows from left to right bit-lane is to bit-lane arrangement " 1,111 1,111 1,111 1111
1111 " it is conducting state that the leftmost position of content representation in bracket represents N channel, position is the conducting of " 1 " interval scale, position
For the shut-off of " 0 " interval scale；
Ordered arrangement is carried out to N number of passage.
Wherein in one embodiment, methods described includes：
Control to single one passage within N number of passage；
Or support that the multiple passages in N number of passage are controlled simultaneously.
It is described to including the step of the control of single one passage within N number of passage wherein in one embodiment：
As the presentation of information second channel shut-off in " 1,111 1,111 1,111 1,111 1101 " is not tested, rest channels conducting.
Wherein in one embodiment, methods described includes：
Master control control board takes the slot of distribution N channel, and according to certain gap parallel arrangement in panel back,
And welded in the way of female plug groove, PCB panels are connected by the way of multilayer wiring with female plug groove；
Per passage, the mode connecting welding of male plug groove is all taken in corresponding burning test board input and two ports of output.
Wherein in one embodiment, methods described includes：
When monolithic controls circuit tester module, and communication byte instruction is 0x01, then voltage reference sampling module circuit is called at once,
The anode and negative terminal of the voltage detecting port of Agilent circuit tester are enabled at once；
When communication byte instruction is 0x02, then current reference sampling module circuit is called at once, then enable Agilent general-purpose at once
The anode of the current detecting port of table and the negative terminal shared with voltage.
Wherein in one embodiment, methods described includes：
Take in the next hardware module in every passage and shown with digital LED lamp, user is communicated information in digitized form.
Wherein in one embodiment, methods described includes：
Hardware circuit plate is radiated using aluminum thermal fin.
Beneficial effect：
A kind of N channel burning calibration method of calibration of the present invention, methods described includes：(N is adopted in control main control module circuit board
+ 1) individual single-chip microcomputer distribution arrangement, wherein main control singlechip is distributed in the master control region in master control borad, is distributed in main control board
Upper left side, remaining N number of single-chip microcomputer slice, thin piece is arranged in parallel, divides in order successively to N channel from 1 passage by dextrosinistral mode
Cloth；Host scm distributes two bytes to be controlled each passage, tri- from 000001 to 0FFFFF bytes of span of control
Distribution, each passage correspondence 1, it then follows from left to right bit-lane is to bit-lane arrangement " 1,111 1,111 1,111 1111
1111 " it is conducting state that the leftmost position of content representation in bracket represents N channel, position is the conducting of " 1 " interval scale, position
For the shut-off of " 0 " interval scale；Ordered arrangement is carried out to N number of passage.Take improved N channel burning calibration verification integration apparatus
Scheme calibration effect it is good.
Description of the drawings
Fig. 1 is a kind of N channel burning calibration method of calibration flow chart of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with drawings and Examples, to this
It is bright to be further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and without
It is of the invention in limiting.
Fig. 1 is refer to, a kind of method of the passage burning of product 20 calibration verification, methods described includes：
Using 21 single-chip microcomputer distribution arrangements in control main control module circuit board, wherein main control singlechip is distributed in master control borad
In master control region, the upper left side of main control board is distributed in, remaining 20 single-chip microcomputer slice, thin piece is arranged in parallel, by dextrosinistral side
Formula is from 1 passage to 20 passages successively ordered distribution；
Host scm distributes two bytes to be controlled each passage, tri- from 000001 to 0FFFFF bytes of span of control
Distribution, each passage correspondence 1, it then follows from left to right bit-lane is to bit-lane arrangement " 1,111 1,111 1,111 1111
1111 " it is conducting state that the leftmost position of content representation in bracket represents the 20th passage, position is the conducting of " 1 " interval scale, position
For the shut-off of " 0 " interval scale；
Ordered arrangement is carried out to 20 passages.
Wherein in one embodiment, methods described includes：
Control to single one passage within 20 passages；
Or support that the multiple passages in 20 passages are controlled simultaneously.
It is described to including the step of the control of single one passage within 20 passages wherein in one embodiment：
As the presentation of information second channel shut-off in " 1,111 1,111 1,111 1,111 1101 " is not tested, rest channels conducting.
Wherein in one embodiment, methods described includes：
Master control control board takes the slot of 20 passages of distribution, and according to certain gap parallel arrangement after panel
The back of the body, and welded in the way of female plug groove, PCB panels are connected by the way of multilayer wiring with female plug groove；
Per passage, the mode connecting welding of male plug groove is all taken in corresponding burning test board input and two ports of output.
Wherein in one embodiment, methods described includes：
When monolithic controls circuit tester module, and communication byte instruction is 0x01, then voltage reference sampling module circuit is called at once,
The anode and negative terminal of the voltage detecting port of Agilent circuit tester are enabled at once；
When communication byte instruction is 0x02, then current reference sampling module circuit is called at once, then enable Agilent general-purpose at once
The anode of the current detecting port of table and the negative terminal shared with voltage.
Wherein in one embodiment, methods described includes：
Take in the next hardware module in every passage and shown with digital LED lamp, user is communicated information in digitized form.
Wherein in one embodiment, methods described includes：
Hardware circuit plate is radiated using aluminum thermal fin.
The method is to be embodied in burning calibration verification and burning calibration under I2C states under a kind of support HDQ states to verify
20 lane testing equipment on. while this kind of equipment is also compatible with the burning calibration verification of other BQ series managing electric quantity IC.
1）Hardware point of view：
1. this single-unit BQ27411 managing electric quantity IC burnings calibration check test device hardware plate is divided into " main control module and burning
Calibration check test module " two parts.
A. Single-chip Controlling arrangement mode：Due to considering during design adopted in 20 passages, therefore main control module circuit board
With 21 single-chip microcomputer distribution arrangements, wherein main control singlechip is distributed in the master control region in master control borad, is distributed in governor circuit
The upper left side of plate；Remaining 20 single-chip microcomputer slice, thin piece is arranged in parallel, orderly successively to 20 passages from 1 passage by dextrosinistral mode
Distribution.
B. hardware controls mode：Wherein host scm distributes two bytes to be controlled each passage, span of control from
000001 to 0FFFFF (hexadecimal) three bytes distribution, each passage correspondence 1, it then follows from left to right bit-lane is extremely
Bit-lane is arranged（1111 1111 1111 1111 1111 ）The leftmost position of content representation i.e. in bracket represents the 20th and leads to
The conducting state in road, position is the conducting of " 1 " interval scale, and position is the shut-off of " 0 " interval scale.This control mode supports two ways, one
The control of single one passage within 20 passages is supported, or supports that the multiple passages in 20 passages are controlled simultaneously.Such as
（1111 1111 1111 1111 1101）Presentation of information second channel shut-off in bracket is not tested, rest channels conducting.
C. hardware bridging mode：Master control control board takes the slot of 20 passages of distribution, and according to certain gap
Parallel arrangement is welded in panel back in the way of female plug groove, PCB panels by the way of multilayer wiring with female plug groove
Connection；Per passage, the mode connecting welding of male plug groove is all taken in corresponding burning test board input and two ports of output,（And
And two port correspondence positions of input and output, not on same horizontal linear, this mode can effectively avoid burning test board
Assign output port as input port accidentally when input/output port is in same horizontal line obscures input/output port
It is anti-inserted cause to test board component puncture and burn out）.Burning test board and the bridging mode of master control panel per passage is to take
" male and female slot " mode is connected insertion and extracts, and is easy to the dismounting installation and maintenance of test board at ordinary times.And outer clamp connectivity port is adopted
With " female plug groove " mode, output port and the outer clamp connectivity port of its burning test board are connected by " male and female slot " mode
Connect.Therefore burning test board is relative dynamic, it is allowed to which maintainer is reached by " pluggable mode " and is changed.And equipment master
Control panel relative quiescent, adopts and is screwed on equipment rack frame.
D. hardware information display mode：Take in the next hardware module in every passage and shown with digital LED lamp, with digitized
Form communicates information to user, improves directly perceivedization that digital electronic information shows, is easy to user's maintenance and inspection maintenance facility.
E. hardware radiating mode：Hardware circuit plate is radiated using aluminum thermal fin, reduces components and parts for a long time
Using and caused loss, reduce the caused burning interference because of loss, cause burning to malfunction, there is burning mess code phenomenon.
F. hardware rack radiating mode：Device housings frame is radiated using 3d space convection model, in equipment burning
Test board back is radiated using convulsion pattern, and equipment burning test board top is radiated using convulsion pattern, in frame
The radiating outlet of surrounding layout, forms the gesture of convection current.
G. hardware testing plate arrangement mode：Hardware burning test board takes each independent mode of every passage, each passage
Burning test board corresponding slot mouth on master control borad is arranged in the way of parallel straight cutting.Each interchannel burning test
Complete independently, while the gap of certain equivalence is left between each passage burning test board, just with equipment convulsion heat loss through convection.
H. hardware testing mode framework description：This equipment control mode is to be driven to drive from single-chip microcomputer by main control singlechip
（Per the single-chip microcomputer on lane testing plate）The functions such as control realization burning calibration verification.Its next communication instruction supports following framework
Programming agreement：The byte instruction of driving instruction+all passages+initial address byte+destination address byte+programming byte number
The byte content of+programming（Such as the AA 02 00 01 of 8E 0F FF FF 00）, wherein driving instruction calls for master control module drive,
All passage bytes are to work from Micro Controller Unit (MCU) driving or out-of-work sign mode bit,（All passage byte values： 1111
1111 1,111 1,111 1111 are arranged as from left to right from the 20th arrangement of passages to the 1st passage, when respective channel position is 1, table
Show that sending interval scale in communication instruction will drive this passage to work from single-chip microcomputer, respective channel is 0, represents and is sent in communication instruction
Interval scale this passage quits work from single-chip microcomputer）, remaining content " the initial address byte+destination address byte+programming word of instruction
The byte content of section number+programming " refers to each passage and is carried out identical action from single-chip microcomputer.Above-mentioned this kind of testing jig
Structure embodies the concurrent testing mode of test.
I. the difference in terms of hardware burning：Because BQ27411 managing electric quantity IC products are needed to product during burning
Product provide 7.5V voltages, and provide 7.5V voltages I take charge of and transferred pcb board using an integrated circuit, closed by the closure of relay
It is disconnected effectively to carry out the voltage output that the product to each passage is provided and turns off 7.5V, and under the shut-off of the closure of relay passes through
Position single chip communication control.Simultaneously the burning calibration verification of this product is to adopt concurrent testing.Each passage is driven to carry out by master control
Test.
J. hardware benefits：
K.1. device integration is high
Equipment master control borad and burning calibration check test plate hardware integration degree are high, are independently arranged using several functions circuit, master control
Also add in making sheet " isolation filter circuit ", the effective filtering clutter of energy realizes that various circuits do not interfere with each other, while cracking
" communication protocol of BQ27411 managing electric quantities IC burning calibration verifications under I2C states ", integrates encapsulation and reformulates out itself
Communication protocol, lifts the efficiency that check test is calibrated in itself burning, the employing third party's hardware before instead of, with wire connection
The mode of built pattern carries out external connection, breaks away from the constraint of purchased hardware.It is integrated into the programming association of the BQ27411 of itself simultaneously
View, reads the protocol mode of agreement, correcting current and burning（Crack the calculation of CCGain）, verify the agreement side with burning
Formula（Crack the calculation of CheckSum）.
2. equipment extensibility is strong
Device hardware angle has reserved the extension of TCH test channel, supports that (maximum can be extended to the good TCH test channel of user's personnel setting
20 passages, minimum 1 passage), the test board of unused channel can be pulled up according to the port number that user sets, while equipment is also
Equipment voltage x current precision point inspection port is reserved, user can be allowed to pass through external equipment and external hardware, periodically point inspection monitoring has set
Standby voltage x current precise manner.
3. equipment communication efficiency of transmission is high, and reliability is high（Deployable innovative point description）
Industry situation before：School is calibrated using single pass burning to the mode of the burning calibration verification of this kind of product before my department
Test is tried, and one EV2300 of outsourcing, is equipped with corresponding frock clamp, industrial computer etc. on the basis of every piece of a reference source, while
EV2300 is connected with computer to be connected using USB, and this kind of hardware mechanisms certainly will require, computer Costco Wholesale very high to computer requirement
Height, while this kind of mode is to carry out burning using point three stations, calibrates, verification.Simultaneously equipment burning hardware is used certainly
The hardware supply module firmly developed is external with third party hardware EV2300 and connects, and integrated level is not high, is easily caused between circuit and exists
The inductance having a negative impact, causes to exist during burning and disturbs and cause product mistake burning, leaks burning, causes product to be in
Unknown state or unconventional state, ultimately result in do over again and keep in repair or or even scrap, serious waste of resources；
The control mode of the next software communication：
1. the compatible communication mode of HDQ port communications mode and I2C two-port of equipment burning test board, two kinds of Single-chip Controlling
Communication mode is switched by byte, and byte allows equipment to enter HDQ communications status when being 0x01, byte allows equipment to enter when being 0X02
I2C communications status, single-chip microcomputer inside provides the HDQ software control modules that communication programming reading is called and provides I2C communication programmings
The software control module that reading is called.And current BQ27411 series of products are belonging to the burning pattern of I2C series, single-chip microcomputer control
The destination address that BQ27411 managing electric quantity IC internal registers are passed through according to recordable paper when processed（TargetAddress）With rise
Beginning address（wordAddress）The byte numeral of write respective amount, then again by traversal BQ managing electric quantities IC, its is corresponding
Recordable paper reads byte value to carry out verifying, and it follows the destination address from BQ27411 managing electric quantity IC internal registers
（TargetAddress）And initial address（wordAddress）In go read specified bytes quantity（Byte number byteNum）'s
Byte value is carrying out verification comparison.
The bidding protocol form that the project programming of 2.BQ27411 managing electric quantity IC is read is as follows:
| Mode Content | Command orders Value (hexadecimal) | TargetAddress (16 System) destination address value | WordAddress (16 System) start address value | ByteNum (hexadecimal) Programming or the byte number of reading |
| Programming | 0x8E | Traversal recordable paper is provided | Traversal recordable paper is provided | Traversal recordable paper is provided |
| Read | 0x8F | Traversal recordable paper provides 3 | Traversal recordable paper is provided | Traversal recordable paper is provided |
According to above table, can be according to following algorithmic formula gained：
Bidding protocol：
2.1 programming patterns：Order Command values（0x8E）+ channel value（XX1 XX1XX1）+ TargetAddress (targets
Address)+WordAddress（Initial address）+ ByteNum（Byte number）+ XX2XX2XX2 (byte content of write)
2.2 read mode：Order Command values（0x8F）+ channel value（XX1 XX1XX1）+ TargetAddress (targets
Address)+WordAddress（Initial address）+ ByteNum（Byte number）
3. the connection conduction mode between hardware and test product：
Following medium connection is connected by between equipment and product：Needle-bar, fixture, probe, wire；
1）Needle-bar is connected with wire, and wherein needle-bar is connected by " matrix slot " with the output port of each passage burning test board,
And each passage burning test board output port is " formula slot "；
2）Needle-bar is adopted be screwed in itself, and with test fixture needle plate solder joint contact conducting is carried out, and control its conducting is logical
The vertical direction for crossing cylinder operates up and down conducting.
3）And the probe on needle plate fixture is operated up and down with the vertical direction of cylinder, and form de- with the test point of product
From with engaged test point.
2）Software respective：
A. device software visualizes directly perceivedization：
Equipment upper control software initial interface is divided into " test event viewing area " and " each channel statuses display field " Liang great Qu
Domain.
a.1：" each channel statuses display field " part：It takes the display interface of the equivalent passageways consistent with the next hardware,
Corresponding test mode, including test OK, NG and hollow plate state etc. are shown under each passage.While each channel statuses display field
Each passage, can be started and be closed the test of current channel according to the mode of user's " click on switching ".
a.2:Test event viewing area：It is below test event viewing area in " each channel statuses display field " region,
It can show the concrete condition of each test event of the current test of respective channel in test process, and each is shown accordingly
The test event result of passage, while its burning upgrading test project result is consistent then with shown in green in normal data, with
Normal data is had differences then with shown in red.
B. the parsing read-write mode innovationization of equipment burning recordable paper：
The recordable paper of BQ27411 series managing electric quantity IC, I is converted to the file of OTFS forms by writing software, can
Opened with notepad, by W, the content composition of C, X three types beginning, it is programming that wherein W is represented to its inner content point, and C is represented
It is to read, X is represented and is to wait for time delay.The upper software of equipment is the fileStream streams by taking windows systems to carry
The method that method is traveled through " recordable paper for having been converted into OTFS forms ", reads according to every row and parses movement content
（W,C,X）With execution content（The byte content of programming, verifies the byte content for reading, the time delay of wait）.It is various when parsing
Content, carries out programming and reads wait according to commands below agreement.
Bidding protocol：
2.1（W）Programming pattern：Order Command values（0x8E）+ channel value（XX1XX1XX1）+ TargetAddress (targets
Address)+WordAddress（Initial address）+ ByteNum（Byte number）+ XX2XX2XX2 (byte content of write)
2.2（C）Read mode：Order Command values（0x8F）+ channel value（XX1 XX1XX1）+ TargetAddress (mesh
Mark address)+WordAddress（Initial address）+ ByteNum（Byte number）
2.3 (X) wait time delay：Thread.sleep (delay time) is by the way of thread wait
Correcting current：Simultaneously this upper software can also calculate the CCGain values of current certain passage BQ27411 current managements IC
（According to the result that certain algorithm is calculated）, then according to certain algorithm carries out being converted to corresponding hexadecimal value（4
Byte）, then programming is carried out according still further to above-mentioned 2.1 programming mode command, realize the calibration of product electric current.
Verification and write：The recordable paper of converted OTFS forms write CCGain when, inside this BQIC
Certain algorithm, calculate this CCGAIN and the fixed burning byte in part total check and, then together with CCGAIN values
Binding, according to above-mentioned 2.1 programming pattern, programming is entered in BQ depositors, after the completion for the treatment of programming, checking is read at once, if
The byte value of return is consistent with the byte value that file internal is parsed, then continue following burning verification, if inconsistent
Then stop the burning calibration verification of current channel.
Purpose：The method of this kind of burning mode has effectively been checked when time situation of burning byte, it is ensured that burnt every time
Accuracy during record, it is ensured that product data byte result after whole burning process is accurate.
The quantity of the N channel in N channel burning calibration method of calibration in the present invention is except the N of citing in above-described embodiment
Can also be other natural numbers of N outside=20, its technical scheme for adopting and implementation are identical with the present invention, wherein N's
The priority scheme of quantity is N<20, explanation is not enumerated again.
Operation logic of the present invention is described in detail above, the explanation of above-mentioned operation logic is only intended to help and understands
The method of the present invention and its core concept；Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, in tool
Will change in body embodiment and range of application, in sum, this specification content should not be construed as to the present invention
Restriction.
Claims (7)
1. method of calibration is calibrated in a kind of N channel burning, it is characterised in that included：
Using (N+1) individual single-chip microcomputer distribution arrangement in control main control module circuit board, wherein main control singlechip is distributed in master control borad
In master control region in, be distributed in the upper left side of main control board, remaining N number of single-chip microcomputer slice, thin piece is arranged in parallel, by from right to left
Mode from 1 passage to N channel successively ordered distribution；
Host scm distributes two bytes to be controlled each passage, tri- from 000001 to 0FFFFF bytes of span of control
Distribution, each passage correspondence 1, it then follows from left to right bit-lane is to bit-lane arrangement " 1,111 1,111 1,111 1111
1111 " it is conducting state that the leftmost position of content representation in bracket represents the 20th passage, position is the conducting of " 1 " interval scale, position
For the shut-off of " 0 " interval scale；
Ordered arrangement is carried out to N number of passage.
2. method of calibration is calibrated in N channel burning according to claim 1, it is characterised in that methods described includes：
Control to single one passage within N number of passage；
Or support that the multiple passages in N number of passage are controlled simultaneously.
3. method of calibration is calibrated in N channel burning according to claim 1, it is characterised in that described to single within N number of passage
The step of control of individual passage one by one includes：
As the presentation of information second channel shut-off in " 1,111 1,111 1,111 1,111 1101 " is not tested, rest channels conducting.
4. method of calibration is calibrated in N channel burning according to claim 1, it is characterised in that methods described includes：
Master control control board takes the slot of distribution N channel, and according to certain gap parallel arrangement in panel back,
And welded in the way of female plug groove, PCB panels are connected by the way of multilayer wiring with female plug groove；
Per passage, the mode connecting welding of male plug groove is all taken in corresponding burning test board input and two ports of output.
5. method of calibration is calibrated in N channel burning according to claim 1, it is characterised in that methods described includes：
When monolithic controls circuit tester module, and communication byte instruction is 0x01, then voltage reference sampling module circuit is called at once,
The anode and negative terminal of the voltage detecting port of Agilent circuit tester are enabled at once；
When communication byte instruction is 0x02, then current reference sampling module circuit is called at once, then enable Agilent general-purpose at once
The anode of the current detecting port of table and the negative terminal shared with voltage.
6. method of calibration is calibrated in N channel burning according to claim 1, it is characterised in that methods described includes：
Take in the next hardware module in every passage and shown with digital LED lamp, user is communicated information in digitized form.
7. method of calibration is calibrated in N channel burning according to claim 1, it is characterised in that methods described includes：
Hardware circuit plate is radiated using aluminum thermal fin.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114237648A (en) * | 2021-12-21 | 2022-03-25 | 上海中凯晋德电子科技有限公司 | A metering chip programming device and metering chip programming system |
| CN116991436A (en) * | 2023-08-21 | 2023-11-03 | 上海傲显科技有限公司 | Multi-gamma burning method and storage medium |
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