CN202662004U - Universal serial bus (USB) burning device for directly burning serial peripheral interface (SPI) read-only memory (ROM) on main board - Google Patents
Universal serial bus (USB) burning device for directly burning serial peripheral interface (SPI) read-only memory (ROM) on main board Download PDFInfo
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- CN202662004U CN202662004U CN 201220233503 CN201220233503U CN202662004U CN 202662004 U CN202662004 U CN 202662004U CN 201220233503 CN201220233503 CN 201220233503 CN 201220233503 U CN201220233503 U CN 201220233503U CN 202662004 U CN202662004 U CN 202662004U
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- burning
- spi
- usb
- conversion circuit
- power supply
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Abstract
The utility model discloses a universal serial bus (USB) burning device for directly burning a serial peripheral interface (SPI) read-only memory (ROM) on a main board. The device comprises a plurality of clamping structures, a power supply, an SPI burning connector, a burner and a burning computer, wherein the same ends of the clamping structures are in one-to-one correspondence and are clamped to a power pin, a grounding pin and a plurality of other pins respectively; the power supply is provided with a forward end and a grounding end; the forward end is electrically connected with the other end of the clamping structure which is clamped with the power pin; the grounding end is electrically connected with the other end of the clamping structure which is clamped with the grounding pin; the other ends of the clamping structures, which are clamped with the grounding pin and the other pins, are connected to the SPI burning connector; the burner is provided with an SPI burning port which is connected with the SPI burning connector, and is also provided with a USB interface; and the burning computer is provided with a USB port which is connected with the USB interface of the burner. Therefore, a burning program can be performed without the disassembly of the SPI ROM from the main board.
Description
[technical field]
The utility model relates to the burning device of a kind of SPI ROM, particularly relate to a kind of on mainboard the USB burning device of direct burning SPI ROM.
[background technology]
Factory often can need again burning SPI (Serial Peripheral Interface--Serial Peripheral Interface (SPI)) ROM(Read-Only Memory--read-only memory analyzing or maintenance start when not have the mainboard of demonstration).
Present mode normally changes SPI ROM, and present SPI ROM is 8pin or the above integrated circuit of 8pin, and this just need to use heat gun and electric soldering iron, and SPI ROM is dismantled.Again the SPI ROM that changes is taken the burning room afterwards and carry out burning, in again SPI ROM being installed on the mainboard after the burning.Waste time and energy thus, the impact analysis maintenance efficiency, and also can have influence on serviceable life of SPI ROM to many installing/dismountings of SPI ROM.
In view of this, be necessary in fact to develop a kind of on mainboard the USB burning device of direct burning SPI ROM.
[summary of the invention]
Therefore, the purpose of this utility model provide a kind of on mainboard the USB burning device of direct burning SPI ROM, solve the inconvenience that brings from mainboard dismounting SPI ROM.
In order to achieve the above object, the USB burning device of direct burning SPI ROM on the mainboard that the utility model provides, described SPI ROM is installed on described mainboard by its power pins, grounding pin and several all the other pins, and described burning device comprises:
Several clamp structures, one end are corresponding and be held on described power pins, grounding pin and several all the other pins one by one respectively;
Power supply, it has forward end and earth terminal, and the other end of the clamp structure of described forward end and the described power pins of clamping is electrically connected, and the other end of the described clamp structure of described earth terminal and the described grounding pin of clamping is electrically connected;
SPI burning connector, the other end of the described clamp structure of the described grounding pin of clamping and several all the other pins all are connected in described SPI burning connector;
CD writers, it has the SPI programming port that connects described SPI burning connector, and described CD writers also has USB interface;
The burning computer, it has the USB port that is connected with the USB interface of described CD writers.
Optionally, described power supply is that magnitude of voltage is the 3.3V power supply.
Optionally, described power supply has voltage conversion circuit, the forward end of described power supply and described earth terminal are located in the described voltage conversion circuit, described voltage conversion circuit also has USB interface, and described burning also has power supply with computer and connects described power supply and the USB port of the USB interface of described voltage conversion circuit.
Optionally, described power supply has voltage conversion circuit, the forward end of described power supply and described earth terminal are located in the described voltage conversion circuit, described voltage conversion circuit is integrated in the described CD writers, the other end of the described clamp structure of the described power pins of clamping also is connected in described SPI burning connector, described forward end and described earth terminal are connected respectively to the described power pins of clamping by SPI burning connector and described SPI programming port, the other end of the clamp structure of described grounding pin, described voltage conversion circuit is connected to the USB port that computer is used in described burning by the USB interface of described CD writers, and described burning also is connected with power supply with the USB port of computer.
Optionally, the voltage of described power supply is 5V, and described voltage conversion circuit is for being the voltage conversion circuit of 3.3V voltage with the 5V voltage transitions.
Optionally, described CD writers has the burning circuit, and described burning circuit has signaling conversion circuit, and described signaling conversion circuit carries out the conversion of SPI signal and usb signal.
Optionally, described burning has the burning control program and treats burning program with computer, and described burning control program links to each other with described USB port, controls described CD writers the described burning program for the treatment of is burnt to described SPIROM.
Optionally, described all the other pins are six.
Compared to prior art, the USB burning device of direct burning SPI ROM on the mainboard that provides of the present utility model is provided, owing to be connected with each pin of SPI ROM by clamp structure, thereby need not SPI ROM is dismantled the purpose that can reach burning program from mainboard; Simultaneously, described CD writers possesses USB interface and with the signaling conversion circuit of SPI signal and usb signal conversion, thereby described SPI ROM can be carried out burning by USB interface.
[description of drawings]
Fig. 1 illustrates the structural representation that is provided with SPI ROM for mainboard.
Fig. 2 illustrates the syndeton synoptic diagram into each pin of the USB burning device clamp structure of direct burning SPI ROM on the mainboard of the present utility model and SPI ROM.
Fig. 3 illustrates the frame assumption diagram into USB burning device the first embodiment of direct burning SPI ROM on the mainboard of the present utility model.
Fig. 4 illustrates the frame assumption diagram into USB burning device the second embodiment of direct burning SPI ROM on the mainboard of the present utility model.
[embodiment]
Please jointly consult Fig. 1, Fig. 2, Fig. 3, Fig. 1 illustrates structural representation, Fig. 2 of being provided with SPI ROM for mainboard and illustrates syndeton synoptic diagram, Fig. 3 for each pin of the USB burning device clamp structure of direct burning SPI ROM on the mainboard of the present utility model and SPI ROM and illustrate frame assumption diagram into USB burning device the first embodiment of direct burning SPI ROM on the mainboard of the present utility model.
In order to achieve the above object, the USB burning device of direct burning SPI ROM on the mainboard that the utility model provides, described SPI ROM 100 by its power pins 101, grounding pin 102 and several all the other pin 103(herein the number of all the other pins 103 can be six) be installed on described mainboard 200, described burning device comprises:
Burning computer 700, it has the USB port 701 that is connected with the USB interface 602 of described CD writers 600.
Wherein, described CD writers 600 has burning circuit 603, described burning circuit 603 has signaling conversion circuit 604, and described signaling conversion circuit 604 carries out the conversion of SPI signal and usb signal, thereby described SPI ROM100 can be carried out burning by USB interface 602.
Wherein, described burning has burning control program 702 and treats burning program 703 with computer 700, and described burning control program 702 links to each other with described USB port 701, controls described CD writers 600 the described burning program 703 for the treatment of is burnt to described SPI ROM100.
In this first embodiment, described power supply 400 has voltage conversion circuit 800, the forward end 401 of described power supply 400 and earth terminal 402 are located in the described voltage conversion circuit 800, described voltage conversion circuit 800 also has USB interface 801, the USB port 705 that described burning also has power supply 704 with computer 700 and connects the USB interface 801 of described power supply 704 and described voltage conversion circuit 800.
Wherein, the voltage of described power supply 704 is 5V, and described voltage conversion circuit 800 is 3.3V voltage with the 5V voltage transitions.
The USB burning device of direct burning SPI ROM on the mainboard that this first embodiment provides, owing to be connected with each pin of SPI ROM100 by clamp structure 300, thereby need not SPI ROM100 is dismantled the purpose that can reach burning program from mainboard 200; Simultaneously, described CD writers 600 possesses USB interface 602 and with the signaling conversion circuit 604 of SPI signal and usb signal conversion, thereby described SPI ROM100 can be carried out burning by USB interface 602.
In addition, in this first embodiment, because above-mentioned voltage conversion circuit 800 is placed on described CD writers 600, thereby can need not to change existing CD writers 600, thereby so that described CD writers 600 possesses better versatility.
Please consult Fig. 4, Fig. 4 illustrates the frame assumption diagram into USB burning device the second embodiment of direct burning SPI ROM on the mainboard of the present utility model again.
In this second embodiment, described power supply 400 has voltage conversion circuit 800, the forward end 401 of described power supply and earth terminal 402 are located in the described voltage conversion circuit 800, described voltage conversion circuit 800 is integrated in the described CD writers 600, the other end of the described clamp structure 300 of the described power pins 101 of clamping also is connected in described SPI burning connector 500, described forward end 401 and described earth terminal 402 are connected respectively to the described power pins 101 of clamping by SPI burning connector 500 and described SPI programming port 601, the other end of the clamp structure 300 of described grounding pin 102, described voltage conversion circuit 800 is connected to the USB port 701 that computer 700 is used in described burning by the USB interface 602 of described CD writers 600, and described burning also is connected with power supply 704 with the USB port 701 of computer 700.
The USB burning device of direct burning SPI ROM on the mainboard that this second embodiment provides, owing to be connected with each pin of SPI ROM100 by clamp structure 300, thereby need not SPI ROM100 is dismantled the purpose that can reach burning program from mainboard 200; Simultaneously, described CD writers 600 possesses USB interface 602 and with the signaling conversion circuit 604 of SPI signal and usb signal conversion, thereby described SPI ROM100 can be carried out burning by USB interface 602.
In addition, different from described the first embodiment is in this second embodiment, because above-mentioned voltage conversion circuit 800 is built in described CD writers 600, thereby only need to can reach power supply and the purpose of controlling by connecting a USB interface 602.
Certainly, described power supply 400 can be the 3.3V power supply for magnitude of voltage also.
Claims (8)
1. the USB burning device of direct burning SPI ROM on the mainboard, described SPI ROM is installed on described mainboard by its power pins, grounding pin and several all the other pins, it is characterized in that described burning device comprises:
Several clamp structures, one end are corresponding and be held on described power pins, grounding pin and several all the other pins one by one respectively;
Power supply, it has forward end and earth terminal, and the other end of the clamp structure of described forward end and the described power pins of clamping is electrically connected, and the other end of the described clamp structure of described earth terminal and the described grounding pin of clamping is electrically connected;
SPI burning connector, the other end of the described clamp structure of the described grounding pin of clamping and several all the other pins all are connected in described SPI burning connector;
CD writers, it has the SPI programming port that connects described SPI burning connector, and described CD writers also has USB interface;
The burning computer, it has the USB port that is connected with the USB interface of described CD writers.
2. the USB burning device of direct burning SPI ROM on the mainboard as claimed in claim 1 is characterized in that, described power supply is that magnitude of voltage is the 3.3V power supply.
3. the USB burning device of direct burning SPI ROM on the mainboard as claimed in claim 1, it is characterized in that, described power supply has voltage conversion circuit, the forward end of described power supply and earth terminal are located in the described voltage conversion circuit, described voltage conversion circuit also has USB interface, and described burning also has power supply with computer and connects described power supply and the USB port of the USB interface of described voltage conversion circuit.
4. the USB burning device of direct burning SPI ROM on the mainboard as claimed in claim 1, it is characterized in that, described power supply has voltage conversion circuit, the forward end of described power supply and earth terminal are located in the described voltage conversion circuit, described voltage conversion circuit is integrated in the described CD writers, the other end of the described clamp structure of the described power pins of clamping also is connected in described SPI burning connector, described forward end and described earth terminal are connected respectively to the described power pins of clamping by SPI burning connector and described SPI programming port, the other end of the clamp structure of described grounding pin, described voltage conversion circuit is connected to the USB port that computer is used in described burning by the USB interface of described CD writers, and described burning also is connected with power supply with the USB port of computer.
5. such as the USB burning device of direct burning SPI ROM on claim 3 or the 4 described mainboards, it is characterized in that the voltage of described power supply is 5V, described voltage conversion circuit is for being the voltage conversion circuit of 3.3V voltage with the 5V voltage transitions.
6. such as the USB burning device of direct burning SPI ROM on each described mainboard among the claim 1-4, it is characterized in that, described CD writers has the burning circuit, and described burning circuit has signaling conversion circuit, and described signaling conversion circuit carries out the conversion of SPI signal and usb signal.
7. such as the USB burning device of direct burning SPI ROM on each described mainboard among the claim 1-4, it is characterized in that, described burning has the burning control program and treats burning program with computer, described burning control program links to each other with described USB port, controls described CD writers the described burning program for the treatment of is burnt to described SPI ROM.
8. such as the USB burning device of direct burning SPI ROM on each described mainboard among the claim 1-4, it is characterized in that described all the other pins are six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220233503 CN202662004U (en) | 2012-05-23 | 2012-05-23 | Universal serial bus (USB) burning device for directly burning serial peripheral interface (SPI) read-only memory (ROM) on main board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220233503 CN202662004U (en) | 2012-05-23 | 2012-05-23 | Universal serial bus (USB) burning device for directly burning serial peripheral interface (SPI) read-only memory (ROM) on main board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202662004U true CN202662004U (en) | 2013-01-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220233503 Expired - Lifetime CN202662004U (en) | 2012-05-23 | 2012-05-23 | Universal serial bus (USB) burning device for directly burning serial peripheral interface (SPI) read-only memory (ROM) on main board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202662004U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104572525A (en) * | 2015-01-30 | 2015-04-29 | 联想(北京)有限公司 | Electronic equipment, and system and method for controlling mainboard of electronic equipment |
-
2012
- 2012-05-23 CN CN 201220233503 patent/CN202662004U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104572525A (en) * | 2015-01-30 | 2015-04-29 | 联想(北京)有限公司 | Electronic equipment, and system and method for controlling mainboard of electronic equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |