CN201897784U - Upgrading controller of electronic device - Google Patents
Upgrading controller of electronic device Download PDFInfo
- Publication number
- CN201897784U CN201897784U CN2010206690050U CN201020669005U CN201897784U CN 201897784 U CN201897784 U CN 201897784U CN 2010206690050 U CN2010206690050 U CN 2010206690050U CN 201020669005 U CN201020669005 U CN 201020669005U CN 201897784 U CN201897784 U CN 201897784U
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- China
- Prior art keywords
- pin
- upgrading
- electronic equipment
- usb interface
- external memory
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- Expired - Lifetime
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Abstract
The utility model provides an upgrading controller of an electronic device. The electronic device comprises a main chip, an external memory and a transmission port which are packaged in a case, the main chip is connected with the external memory, the upgrading controller comprises a first upgrading circuit and a second upgrading circuit, the first upgrading circuit is connected between a computer and the transmission port of the electronic device, the second upgrading circuit is connected between the transmission port of the electronic device and the external memory, and moreover, the first upgrading circuit further comprises an operating button arranged on the outside of the case. The upgrading controller is connected between the electronic device and the computer, and the electronic device can be upgraded without requiring the case to be opened as long as the upgrading controller is operated outside the case.
Description
[technical field]
The utility model relates to a kind of electronic equipment with software, particularly a kind of software upgrading control device of electronic equipment.
[background technology]
System firmware with electronic equipment of software all is stored in as in the external memory storages such as FLASH, hard disk, will not drive machine after system firmware is destroyed, perhaps causes connecting computer and upgrades.In the time of after system firmware is destroyed, can't connecting computer upgrade, the normal use for electronic equipment can be upgraded, present way is to take shell apart, the internal circuit of electronic equipment is done some processing, allow main control chip identification less than storer, the master control main control chip will enter upgrade mode then, but this mode that must take shell apart is made troubles to whole operation.
[utility model content]
The technical problems to be solved in the utility model is to provide a kind of upgrading control device of electronic equipment, is connected between electronic equipment and the computer, by realizing that at shell peripheral operation upgrading control device the upgrading of electronic equipment need not to take apart shell.
The technical problems to be solved in the utility model is achieved in that a kind of upgrading control device of electronic equipment, this electronic equipment comprises the master chip that is encapsulated in the casing, external memory storage and transmission mouth, master chip is connected with external memory storage, wherein: described upgrading control device comprises the first upgrading circuit and the second upgrading circuit, the described first upgrading circuit is connected between the transmission mouth of computer and electronic equipment, the described second upgrading circuit is connected between the transmission mouth and external memory storage of electronic equipment, and the described first upgrading circuit comprises that further one is located at the operation push-button of described casing outside.
The described first upgrading circuit comprises that further first USB interface and that is used to connect the transmission mouth of electronic equipment is used to be connected second USB interface of computer, and described first USB interface comprises at least 5 connecting pins: USBD pin, DM pin, DP pin, NC pin, GND pin; Described second USB interface comprises 4 connecting pins: USBD pin, DM pin, DP pin, GND pin, the corresponding connection of USBD pin, DM pin, DP pin of the USBD pin of described first USB interface, DM pin, DP pin and described second USB interface, the NC pin of described first USB interface connects described operation push-button, the equal ground connection of GND pin of described first USB interface and second USB interface.
The described second upgrading circuit is one to be used to connect the 3rd USB interface of the transmission mouth of electronic equipment, and described the 3rd USB interface comprises at least 5 connecting pins: USBD pin, DM pin, DP pin, NC pin, GND pin; , the NC pin of described the 3rd USB interface connects an I/O interface of described external memory storage.
Advantage of the present utility model is: the upgrading control device that a kind of electronic equipment is provided, be connected between electronic equipment and the computer, the operation push-button that is located at the casing outside by this operation upgrading control device can be realized the upgrading of electronic equipment, therefore need not to take apart shell and bother so, and usual use of user can not be strayed into upgrade mode yet.
[description of drawings]
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.
Fig. 1 is the structured flowchart of the utility model upgrading control device.
Fig. 2 is the structure principle chart of the first upgrading circuit in the utility model.
Fig. 3 is the structure principle chart of the second upgrading circuit in the utility model.
[embodiment]
See also shown in Figure 1ly, the utility model upgrading control device 1 is used for connecting control electronic equipment 2 and computer 3, and the upgrade case of electronic equipment 2 is controlled.Described electronic equipment 2 comprises master chip 21, external memory storage 22 and transmission mouth 23, and master chip 21 is connected with external memory storage 22, and master chip 21, external memory storage 22 and transmission mouth 23 all are encapsulated in the casing 24.Described upgrading control device 1 comprises the first upgrading circuit 11 and the second upgrading circuit 12, the described first upgrading circuit 11 is connected between the transmission mouth 23 of computer 3 and electronic equipment 2, and the described second upgrading circuit 12 is connected between the transmission mouth 23 and external memory storage 22 of electronic equipment 2.
As shown in Figure 2, the described first upgrading circuit 11 comprises that further first usb 1 12 and that an operation push-button 111, that is located at described electronic equipment 2 casings 24 outsides is used to connect the transmission mouth 23 of electronic equipment 2 is used to be connected second usb 1 13 of computer 3, and described first usb 1 12 comprises at least 5 connecting pins: USBD pin, DM pin, DP pin, NC pin, GND pin; Described second usb 1 13 comprises 4 connecting pins: USBD pin, DM pin, DP pin, GND pin, the corresponding connection of USBD pin, DM pin, DP pin of the USBD pin of described first usb 1 12, DM pin, DP pin and described second usb 1 13, the NC pin of described first usb 1 12 connects described operation push-button 111, the equal ground connection of GND pin of described first usb 1 12 and second usb 1 13.
As shown in Figure 3, the described second upgrading circuit 12 is one to be used to connect the 3rd usb 1 21 of the transmission mouth 23 of electronic equipment 2, and described the 3rd usb 1 21 comprises at least 5 connecting pins: USBD pin, DM pin, DP pin, NC pin, GND pin; , the NC pin of described the 3rd usb 1 21 connects an I/O interface of described external memory storage 22.
Principle of work of the present utility model is as follows:
The first upgrading circuit 11 utilizes the transmission mouth 23 of first usb 1 12, electronic equipment 2 and the idle data line traffic control second upgrading circuit 12 of the 3rd usb 1 21, because first usb 1 12 and the 3rd usb 1 21 comprise at least 5 connecting pins, therefore can provide an idle data line at least.
Whether the second upgrading circuit 12 works according to the operation push-button 111 information Control external memory storages 22 of the first upgrading circuit 11.
In the moment of start, the boot of the main control chip of computer 3 is checked through when external memory storage 22 is worked undesired or no datat can enter upgrade mode.
Operating process of the present utility model:
Upgrade control device 1 of the utility model is connected on the control electronic equipment 2, after the system firmware of electronic equipment 2 is destroyed, when causing external memory storage 22 work undesired, off-mode at electronic equipment 2, control device 1 connection of will upgrading is connected with computer 3 upgrades, electronic equipment 2 to be upgraded is when start, pin the operation push-button 111 of the first upgrading circuit 11, electronic equipment 2 to be upgraded obtains the power supply of computer 3, the main control chip of computer 3 begins to carry out boot, carrying out boot determines external memory storage 22 work and enters the USB upgrade mode after undesired, at this moment the operation push-button 111 that unclamps the first upgrading circuit 11 again makes external memory storage 22 working properly, at this moment can upgrade with 3 pairs of electronic equipments 2 to be upgraded of computer.Electronic equipment 2 just can enter upgrade mode under the situation of not tearing casing 24 open like this, and because the setting of operation push-button, the usual use of user can not be strayed into upgrade mode.
Claims (3)
1. the upgrading control device of an electronic equipment, this electronic equipment comprises master chip, external memory storage and the transmission mouth that is encapsulated in the casing, master chip is connected with external memory storage, it is characterized in that: described upgrading control device comprises the first upgrading circuit and the second upgrading circuit, the described first upgrading circuit is connected between the transmission mouth of computer and electronic equipment, the described second upgrading circuit is connected between the transmission mouth and external memory storage of electronic equipment, and the described first upgrading circuit comprises that further one is located at the operation push-button of described casing outside.
2. the upgrading control device of a kind of electronic equipment according to claim 1, it is characterized in that: the described first upgrading circuit comprises that also first USB interface and that is used to connect the transmission mouth of electronic equipment is used to be connected second USB interface of computer, and described first USB interface comprises at least 5 connecting pins: USBD pin, DM pin, DP pin, NC pin, GND pin; Described second USB interface comprises 4 connecting pins: USBD pin, DM pin, DP pin, GND pin, the corresponding connection of USBD pin, DM pin, DP pin of the USBD pin of described first USB interface, DM pin, DP pin and described second USB interface, the NC pin of described first USB interface connects described operation push-button, the equal ground connection of GND pin of described first USB interface and second USB interface.
3. the upgrading control device of a kind of electronic equipment according to claim 2, it is characterized in that: the described second upgrading circuit is one to be used to connect the 3rd USB interface of the transmission mouth of electronic equipment, and described the 3rd USB interface comprises at least 5 connecting pins: USBD pin, DM pin, DP pin, NC pin, GND pin; , the NC pin of described the 3rd USB interface connects an I/O interface of described external memory storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206690050U CN201897784U (en) | 2010-12-17 | 2010-12-17 | Upgrading controller of electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206690050U CN201897784U (en) | 2010-12-17 | 2010-12-17 | Upgrading controller of electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201897784U true CN201897784U (en) | 2011-07-13 |
Family
ID=44255686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206690050U Expired - Lifetime CN201897784U (en) | 2010-12-17 | 2010-12-17 | Upgrading controller of electronic device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201897784U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108966078A (en) * | 2017-05-19 | 2018-12-07 | 广西三诺数字科技有限公司 | A kind of speaker firmware upgrade method and circuit |
| CN112527087A (en) * | 2020-12-24 | 2021-03-19 | 上海宗镕电器有限公司 | Hardware circuit structure of USB upgrading product firmware program |
-
2010
- 2010-12-17 CN CN2010206690050U patent/CN201897784U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108966078A (en) * | 2017-05-19 | 2018-12-07 | 广西三诺数字科技有限公司 | A kind of speaker firmware upgrade method and circuit |
| CN112527087A (en) * | 2020-12-24 | 2021-03-19 | 上海宗镕电器有限公司 | Hardware circuit structure of USB upgrading product firmware program |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 350000 Fuzhou Gulou District, Fujian, software Avenue, building 89, No. 18 Patentee after: FUZHOU ROCKCHIP ELECTRONICS CO., LTD. Address before: 350000 Fuzhou Gulou District, Fujian, software Avenue, building 89, No. 18 Patentee before: Fuzhou Rockchip Semiconductor Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 350000 building, No. 89, software Avenue, Gulou District, Fujian, Fuzhou 18, China Patentee after: Ruixin Microelectronics Co., Ltd Address before: 350000 building, No. 89, software Avenue, Gulou District, Fujian, Fuzhou 18, China Patentee before: Fuzhou Rockchips Electronics Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110713 |
|
| CX01 | Expiry of patent term |