CN207946816U - A kind of programming adaptor and programing system - Google Patents
A kind of programming adaptor and programing system Download PDFInfo
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- CN207946816U CN207946816U CN201820350167.4U CN201820350167U CN207946816U CN 207946816 U CN207946816 U CN 207946816U CN 201820350167 U CN201820350167 U CN 201820350167U CN 207946816 U CN207946816 U CN 207946816U
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Abstract
The utility model is related to electronic technology field, a kind of programming adaptor and programing system are disclosed.Programming adaptor in the utility model, is applied to programmable device, which includes：Printed circuit board, encryption chip and at least one chip carrier socket；Encryption chip and each chip carrier socket are respectively provided on a printed circuit；Each chip carrier socket is respectively used to connect chip to be programmed and the programmable device；Encryption chip is for storing encryption information, wherein programmable device is electrically connected with the encryption chip, which is programmed chip to be programmed according to the encryption information read from the encryption chip.Programming adaptor in the utility model avoids programming adaptor and is imitated, and improves the safety of programming adaptor.
Description
Technical field
The utility model is related to electronic technology field, more particularly to a kind of programming adaptor and programing system.
Background technology
Adapter is an interface convertor, it can be an independent hardware interface device, allows hardware or electronics
Interface is connected with other hardware or electrical interface, can be information interface, such as power supply adaptor, tripod pedestal switching part
The interconnecting device etc. of part, USB and serial ports.And programming adaptor is the important component of programing system, programming adaptor is main
For fixing chip to be programmed and being connect with each pin of chip to be programmed, facilitate programmable device that chip is written in program
In.
Inventor has found that at least there are the following problems in the prior art：The programming adaptor that regular producer manufactures at present is very
It is easy to be copied by people, and imitated programming adaptor is at low cost, and performance is unreliable；Meanwhile imitated programming adaptor is also right
Producer causes economic loss.And if the efficiency of chip programming can be caused using imitated programming adaptor when programming chip
It is low, and the safety of programmable device cannot be protected.
Utility model content
The purpose of this utility model is to provide a kind of programming adaptor and programing systems, avoid programming adaptor and are imitated
System, improves the safety of programming adaptor.
In order to solve the above technical problems, the embodiment of the utility model provides a kind of programming adaptor, it is applied to compile
Journey device, the programming adaptor include：Printed circuit board, encryption chip and at least one chip carrier socket；Encryption chip and each
Chip carrier socket is respectively provided on a printed circuit；Each chip carrier socket is respectively used to connect chip to be programmed and the programmable device；
Encryption chip is for storing encryption information, wherein programmable device is electrically connected with the encryption chip, and the programmable device is according to from the encryption core
The encryption information that piece is read is programmed chip to be programmed.
The utility model embodiment further provides a kind of programing systems, including：Programmable device and above-mentioned programming adaptation
Device.
In terms of existing technologies, encryption chip is arranged in the utility model embodiment on a printed circuit, encryption
Chip is for storing encryption information, and programmable device is electrically connected with encryption chip, and programmable device can read from encryption chip and obtain
Encryption information, and chip to be programmed is programmed according to encryption information, and since encryption chip can not be imitated, even if printing
Circuit board and chip carrier socket are copied by people, also can not correctly be programmed to chip to be programmed, so as to effectively avoid
Programming adaptor is imitated, and improves the safety of programming adaptor.
In addition, encryption chip is electrically connected by IC bus with the programmable device, wherein the programmable device passes through integrated
Circuit bus reads the encryption information of encryption chip.Since IC bus only needs a data wire and a clock line, from
And the wiring of printed circuit board is simplified, the cost of programming adaptor is reduced, the reliability of the programming adaptor is improved.
In addition, encryption information is the default version information of the printed circuit board.Default version information, can be with convenient for programmable device
Quickly determine the programming mode of chip to be programmed.
In addition, the position that the chip carrier socket is corresponded on printed circuit board is provided with corresponding match circuit, the match circuit
It is electrically connected with programmable device；Chip carrier socket is electrically connected by match circuit with programmable device.Pass through match circuit so that chip carrier socket with
Programmable device can be rapidly electrically connected.
In addition, encryption chip includes Electrically Erasable Programmable Read-Only Memory, wherein the encryption information is stored in the electrically erasable
In programmable read only memory.It, can be true since Electrically Erasable Programmable Read-Only Memory has the characteristics that power down still preserves information
Encryption information is protected to always exist.
In addition, encryption chip uses 8 pin chips.8 pin chip volumes are small, reduce the cost of programming adaptor.
Description of the drawings
One or more embodiments are illustrated by the picture in corresponding attached drawing, these exemplary theorys
The bright restriction not constituted to embodiment, the element with same reference numbers label is expressed as similar element in attached drawing, removes
Non- to have special statement, composition does not limit the figure in attached drawing.
Fig. 1 is a kind of concrete structure schematic diagram of programming adaptor in the utility model first embodiment；
Fig. 2 is a kind of concrete structure signal of the encryption chip in programming adaptor in the utility model first embodiment
Figure；
Fig. 3 is connected between encryption chip and programmable device in the utility model second embodiment in a kind of programming adaptor
Connect schematic diagram；
Fig. 4 is a kind of concrete structure schematic diagram of programing system in the utility model third embodiment.
Specific implementation mode
It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Each embodiment of type is explained in detail.However, it will be understood by those skilled in the art that each in the utility model
In embodiment, in order to make the reader understand this application better, many technical details are proposed.But even if without these skills
Art details and various changes and modifications based on the following respective embodiments can also realize that each claim of the application is required and protect
The technical solution of shield.
The first embodiment of the utility model is related to a kind of programming adaptor 10.The programming adaptor 10 is applied to programming
Device, the programming adaptor 10 include：Printed circuit board 101, encryption chip 102 and at least one chip carrier socket 103.The programming is suitable
The concrete structure of orchestration 10 is as shown in Figure 1.
The encryption chip 102 and each chip carrier socket 103 are arranged on printed circuit board 101；Each chip is inserted
Seat 103 is respectively used to connect chip (not shown in figure 1) to be programmed and the programmable device (not shown in figure 1)；Encryption chip 102 is used
In storage encryption information, wherein programmable device is electrically connected with the encryption chip 102, which reads according to from the encryption chip 102
The encryption information obtained is programmed chip to be programmed.
Specifically, encryption chip 102 is arranged on printed circuit board 101, encryption chip 102 and printed circuit board 101
In laying connecting line electrical connection, welding may be used in connection type.Programmable device by with the connection in printed circuit board 101
Line connects, and realization is electrically connected with encryption chip 102, so as to read the encryption information in encryption chip 102.It is not right herein
Encryption information is limited, for example, encryption information can be encrypted programming adaptor version information, can also be encrypted wait for
Program the version information of chip.In order to ensure the safety of the encryption information stored in encryption chip 102, encryption information can be pre-
It is first solidificated in the encryption chip 102.
In one concrete implementation, encryption chip 102 passes through IC bus (Inter-Integrated
Circuit, referred to as " I2C buses ") it is electrically connected with programmable device, wherein programmable device reads encryption chip by IC bus
102 encryption information.The encryption chip 102 includes Electrically Erasable Programmable Read-Only Memory (Electrically Erasable
Programmable read only memory, referred to as " EEPROM "), wherein encryption information is stored in the EEPROM.When
So, encryption chip 102 also has other function modules, structure as shown in Figure 2 specifically may be used, wherein the SCL/ in Fig. 2
CLK is the pin of sync cap, and for receiving clock signal, SDA/IO is the pin of asynchronous interface, for receiving two-way signaling
(i.e. input/output signal), VCC are power pins, and GND is grounding pin, and RST is reset pin, for receiving reset signal.
It should be noted that the structure of encryption chip 102 shown in Fig. 2 is a kind of illustrative explanation, it specifically can basis
The demand of programming adaptor manufacturer is configured, and does not limit its in encryption chip 102 in addition to the memory in present embodiment
His module.
The I of the encryption chip 1022C buses and the I in programmable device2C buses are electrically connected, and programmable device can pass through I2C buses
In data line read in encryption chip 102 encryption information, and can according to the encryption information of reading to chip to be programmed into
Row programming, for example, it is assumed that programmable device reads encryption information a, then according to the corresponding programming modes of encryption information a to core to be programmed
Piece A is programmed, wherein the corresponding programming modes of corresponding encryption information a should be stored in programmable device；If imitated programming adaptation
Device be mounted on programmable device on, due to programmable device read information errors, then programmable device can according to mistake programming mode treat volume
Journey chip is programmed, then can then damage chip to be programmed, programmable device is then damaged when serious, therefore, passes through encrypted mode
Programming adaptor can be effectively prevent to be imitated.
In one concrete implementation, the position that chip carrier socket 103 is corresponded on printed circuit board 101 is provided with corresponding matching
Circuit (does not show that) that match circuit is electrically connected with programmable device in Fig. 1；Chip carrier socket 103 passes through match circuit and programmable device electricity
Connection.Each chip carrier socket bottom is provided with corresponding match circuit, which is the pin position according to chip to be programmed
It sets and designs with chip area to be programmed, the specification of multiple chip carrier sockets in the same programming adaptor 10 is identical.
It should be noted that four chip carrier sockets are a kind of illustrative explanations in Fig. 1, it specifically can be according to burning adapter
Specification an appropriate number of chip carrier socket is set, the quantity of chip carrier socket is not intended to limit in present embodiment.
In terms of existing technologies, encryption chip is arranged in the utility model embodiment on a printed circuit, encryption
Chip is for storing encryption information, and programmable device is electrically connected with encryption chip, and programmable device adds according to what encryption chip was read
Confidential information is programmed chip to be programmed, and since encryption chip can not be imitated, even if printed circuit board and chip carrier socket
It is copied by people, also chip to be programmed can not correctly be programmed, so as to effectively programming adaptor be avoided to be imitated,
Improve the safety of programming adaptor.
The second embodiment of the utility model is related to a kind of programming adaptor.Second embodiment is to the first embodiment party
Formula is further improved, and is mainly theed improvement is that：In the utility model second embodiment, encryption chip uses 8 pin chips,
Specific connection between the encryption chip and programmable device is as shown in Figure 3 (being not shown in figure programmable device).
Specifically, as shown in Figure 3, positive 5 volts of the input letter in the VCC pin and programmable device of encryption chip 102
Number line electrical connection (i.e. P3-5 in Fig. 3 and P3-6), I in the SCL pins and programmable device of encryption chip 1022Clock in C buses
Line connects (i.e. P4-68 in Fig. 3), SDA pins and the I in programmable device of encryption chip 1022Data line connection in C buses is (i.e.
P4-74 in Fig. 3).Wherein, the WP in Fig. 3 is the protection pin of encryption chip 102, ground connection；A0 to A2 is encryption chip
102 Address Recognition position, can empty, is grounded or connect high level；D3 is diode, and R1 and R2 are resistance, and resistance sizes can be with
For 20K；C1 is capacitance, and capacitance size can be 0.1 μ F.
It should be noted that encryption information is the default version information of printed circuit board in present embodiment.Each print
Printed circuit board has the version information of corresponding model, for example, the version information of printed circuit board A is PA-G2809, printed circuit
The version information of plate B is PA-G1028.Encryption information is the default version information of printed circuit board in present embodiment, presets version
This information can be that programming adaptor manufacturer is configured according to their needs, for example, it is assumed that the version after the manufacture of pcb board A
Information is PA-G1045, and the default version information of the setting of programming adaptor vendor A can be the version letter after pcb board A manufactures
Breath added for 1000 (1000 by way of example only herein, can be other preset values in practice), that is, preset version information is
PA-2045.Default version information can be only in storage version information digital information, complete version information can also be stored
(including letter, symbol and number), present embodiment is limited not to this.
The programming adaptor provided in present embodiment, using the encryption chip of 8 pins, since 8 pin chip volumes are small,
It is not take up the volume of programming adaptor, meanwhile, the encryption chip wiring of 8 pins is simple, reduces the cost of programming adaptor.This reality
It is default version information to apply the encryption information in mode, so as to be that programmable device quickly determines programming according to default version information
Mode.
The utility model third embodiment is related to a kind of programing system 30, including：Programmable device 20 and programming adaptor 10.
Concrete structure is as shown in Figure 4.
Specifically, when being programmed to chip to be programmed, chip to be programmed is placed on programming adaptor 10, is compiled
Journey adapter 10 is mounted on programmable device 20, so that chip to be programmed is electrically connected by programming adaptor 10 and programmable device 20
It connects, meanwhile, the encryption chip in programming adaptor 10 is electrically connected with chip to be programmed, and programmable device 20 adds from programming adaptor 10
Encryption information is read in close chip, wherein encryption information is the default version information of printed circuit board；Programmable device 20 is according to default
The corresponding programming mode of version information is programmed chip to be programmed.
Programing system in present embodiment effectively prevents programming to be adapted to by the encryption chip in programming adaptor
Device is imitated, and uses the programming adaptor of regular manufacturer production, to improve the programming efficiency to chip to be programmed.
It will be understood by those skilled in the art that the respective embodiments described above are to realize the specific implementation of the utility model
Example, and in practical applications, can to it, various changes can be made in the form and details, without departing from the spirit of the utility model
And range.
Claims (8)
1. a kind of programming adaptor, which is characterized in that be applied to programmable device, the programming adaptor includes：Printed circuit board adds
Close chip and at least one chip carrier socket；
The encryption chip and each described chip carrier socket are respectively provided on the printed circuit board；
Each described chip carrier socket is respectively used to connect chip to be programmed and the programmable device；
The encryption chip is for storing encryption information, wherein the programmable device is electrically connected with the encryption chip, the programming
Device is programmed the chip to be programmed according to the encryption information read from the encryption chip.
2. programming adaptor according to claim 1, which is characterized in that the encryption chip by IC bus with
The programmable device electrical connection, wherein the programmable device is read by the IC bus to be added described in the encryption chip
Confidential information.
3. programming adaptor according to claim 1, which is characterized in that the encryption information is the printed circuit board
Default version information.
4. programming adaptor according to any one of claim 1 to 3, which is characterized in that right on the printed circuit board
The position of the chip carrier socket is answered to be provided with corresponding match circuit, the match circuit is electrically connected with the programmable device；
The chip carrier socket is electrically connected by the match circuit with the programmable device.
5. programming adaptor according to claim 4, which is characterized in that the encryption chip includes electric erazable programmable
Read memory, wherein the encryption information is stored in the Electrically Erasable Programmable Read-Only Memory.
6. programming adaptor according to claim 5, which is characterized in that the encryption chip uses 8 pin chips.
7. a kind of programing system, which is characterized in that including：Programmable device and programming according to any one of claims 1 to 6
Adapter.
8. programing system according to claim 7, which is characterized in that the encryption information is the pre- of the printed circuit board
If version information；
The programmable device is programmed the chip to be programmed according to the corresponding programming mode of the default version information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820350167.4U CN207946816U (en) | 2018-03-14 | 2018-03-14 | A kind of programming adaptor and programing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820350167.4U CN207946816U (en) | 2018-03-14 | 2018-03-14 | A kind of programming adaptor and programing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207946816U true CN207946816U (en) | 2018-10-09 |
Family
ID=63697868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820350167.4U Active CN207946816U (en) | 2018-03-14 | 2018-03-14 | A kind of programming adaptor and programing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207946816U (en) |
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2018
- 2018-03-14 CN CN201820350167.4U patent/CN207946816U/en active Active
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