CN201159900Y - Two-in-one adapter of miniature SD card - Google Patents
Two-in-one adapter of miniature SD card Download PDFInfo
- Publication number
- CN201159900Y CN201159900Y CNU2007201194194U CN200720119419U CN201159900Y CN 201159900 Y CN201159900 Y CN 201159900Y CN U2007201194194 U CNU2007201194194 U CN U2007201194194U CN 200720119419 U CN200720119419 U CN 200720119419U CN 201159900 Y CN201159900 Y CN 201159900Y
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- card
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- adapter
- deck
- processor
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- 230000005055 memory storage Effects 0.000 claims description 8
- 230000004308 accommodation Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 abstract description 6
- 230000001131 transforming effect Effects 0.000 abstract 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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Abstract
Disclosed is a miniature SD card two-in-one adapter connector, which comprises: a card holder with the external part being the same with an SD card and into which a miniature SD card can be inserted; a USB interface disposed on the card holder; and a processing circuit which is arranged in the card holder and connected with the USB interface, and the processing circuit includes: a universal serial bus, a serial data transforming bridge, a processor, a storing device and an SD/MMC card reading controller, the universal serial bus is connected with the USB interface and the serial data transforming bridge, and the serial data transforming bridge, the processor, the storing device and the SD/MMC card reading controller are connected with one another. The two-in-one adapter connector can use the miniature SD card as the SD card by switchover, and can also use the miniature SD card as a USB mobile hard disk by switchover, and has advantages of increased functions and convenient use.
Description
Technical field
The utility model relates to a kind of switching device of storage card, particularly a kind of switching device of miniature SD card.
Background technology
SD card (Secure Digital Memory Card) is a kind of memory device of new generation of based semiconductor fast-flash memory device, has high memory capacity, rapid data transmission rate, great mobile dirigibility and well security.SD card volume is small and exquisite, is widely used on the digital equipment as storage card.
Along with the development of SD card memory technology, engendered Mini SD and Micro SD card, generally be referred to as miniature SD card.More the multi-user can change in different storing card and use miniature SD card for convenience, and industry also designs and proposed miniature SD card switching device, can be general with the digital equipments such as digital camera, PDA palm PC and MP3 music player of present use SD card.Miniature SD card is much smaller than the SD card, but but has read-write usefulness and the high capacity the same with the SD storage card, and compatible fully with standard SD card, also can be used as general SD card by switching device and uses.
But the switching device of existing miniature SD card only limits to miniature SD card switching is used as the SD card.Comparatively single on the function, use also not convenient.
The utility model content
At the conversion equipment function singleness of the above-mentioned existing miniature SD card of mentioning, awkward shortcoming, thereby the purpose of this utility model provides a kind of not only can pegging graft for miniature SD card miniature SD card switching is used as the SD card, thereby also can adopt USB to connect the multi-functional switching device that the computing machine switching is used as the USB portable hard drive.
To achieve the above object, the technical solution of the utility model is as follows:
The two-in-one adapter of a kind of miniature SD card comprises: a deck, and the outside of this deck is identical with the SD card and supply this miniature SD card to plug; One USB interface, this USB interface are arranged on this deck; An and treatment circuit, this treatment circuit is arranged in this deck and with this USB interface and is connected, this treatment circuit comprises: a USB (universal serial bus), a serial data Bridge, a processor, a memory storage and a SD/MMC Card Reader controller, this USB (universal serial bus) is connected with this USB interface, this serial data Bridge, and this serial data Bridge, this processor, this memory storage and this SD/MMC Card Reader controller interconnect.
This deck is provided with an accommodation space that is matched with miniature SD card, the sidewall of this accommodation space is provided with the terminal of this miniature SD card coupling and can forms the inner terminal that is electrically connected, the outer surface of this deck is provided with and the identical external terminal of SD card position specification, and this inner terminal and this external terminal are electrically connected.
Processor adopting single-chip microcomputer 8051 in this treatment circuit.
Memory storage in this treatment circuit comprises static RAM, direct memory access (DMA) circuit and ROM (read-only memory), this static RAM, this direct memory access (DMA) circuit, this serial data Bridge, this SD/MMC Card Reader controller and this processor interconnect, and this ROM (read-only memory) is connected with this processor.
The two-in-one adapter of described miniature SD card further comprises a phase-locked loop, is connected with this USB (universal serial bus).
The two-in-one adapter of described miniature SD card further comprises a power regulator and electric power detecting device, for this treatment circuit provides power supply.
Owing to adopt above-mentioned technical scheme, two-in-one adapter of the present utility model not only can use miniature SD card switching as the SD card, also miniature SD card switching can be used as the USB portable hard drive, and function increases, and is easy to use.
Description of drawings
Below in conjunction with accompanying drawing,, will make the technical solution of the utility model and other beneficial effects apparent by embodiment of the present utility model is described in detail.
In the accompanying drawing,
Fig. 1 is the outside drawing of miniature SD card and the utility model deck;
Fig. 2 is the theory diagram of treatment circuit of the present utility model;
Fig. 3 is the circuit diagram of a kind of embodiment of treatment circuit of the present utility model.
Embodiment
For further understanding feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and the explanation usefulness, be not to be used for the utility model is limited.
The two-in-one adapter 2 of miniature SD card of the present utility model comprises a deck 21, a USB interface 22 and a treatment circuit.
As shown in Figure 1, the profile of deck 21 is identical with the SD card, deck 21 is provided with an accommodation space 211 that is matched with miniature SD card 1, the sidewall of accommodation space 211 is provided with the terminal coupling of little reason SD card 1 and can forms the inner terminal that is electrically connected, the outer surface of deck 21 is provided with and the identical external terminal of SD card position specification, and inner terminal and external terminal are electrically connected.
USB interface 22 is arranged on the deck 21.
Treatment circuit is arranged in the deck 21 and with USB interface 22 and is connected, as shown in Figure 2, treatment circuit comprises: a USB (universal serial bus), a phase-locked loop PLL, a serial data Bridge SIE, a processor, a memory storage, a SD/MMC Card Reader controller, a power regulator and electric power detecting device; USB (universal serial bus) is connected with USB interface, serial data Bridge SIE; Phase-locked loop PLL is connected with USB (universal serial bus); Processor adopting single-chip microcomputer 8051; Memory storage comprise static RAM SRAM,, direct memory access (DMA) circuit DMA and read only memory ROM, static RAM SRAM, direct memory access (DMA) circuit DMA, serial data Bridge SIE, SD/MMC Card Reader controller and processor interconnect in twos, and read only memory ROM is connected with this processor; Power regulator and electric power detecting device provide power supply for treatment circuit.
Shown in Figure 3 is the circuit diagram of a kind of embodiment of treatment circuit of the present utility model.
When Mini-SD card or Micro-SD card insert in the deck of adapter of the present utility model, can be used as common SD card and use.Any card reader or digital product of reading the SD card can see through adapter of the present utility model and directly read the interior data of Mini-SD/Micro-SD card.
After the deck of adapter of the present utility model inserts Mini-SD card or Micro-SD card, the USB interface of adapter is inserted the USB interface of host computer, become the portable hard drive function of tool USB function, data string Bridge reads content among Mini-SD card or the Micro-SD by processor control by the Card Reader controller and delivers to USB2.0 USB (universal serial bus) unit and be connected with host computer.
As known by the technical knowledge, the utility model can be realized by other the embodiment that does not break away from its spirit or essential feature.Therefore, above-mentioned disclosed embodiment with regard to each side, all just illustrates, and is not only.All in the utility model scope or the change that is being equal in the scope of the present utility model all be included in the utility model.
Claims (6)
1, the two-in-one adapter of a kind of miniature SD card comprises:
One deck, the outside of this deck is identical with the SD card and supply this miniature SD card to plug;
It is characterized in that, further comprise:
One USB interface, this USB interface are arranged on this deck; And
One treatment circuit, this treatment circuit is arranged in this deck and with this USB interface and is connected, this treatment circuit comprises: a USB (universal serial bus), a serial data Bridge, a processor, a memory storage and a SD/MMC Card Reader controller, this USB (universal serial bus) is connected with this USB interface, this serial data Bridge, and this serial data Bridge, this processor, this memory storage and this SD/MMC Card Reader controller interconnect.
2, the two-in-one adapter of miniature SD card according to claim 1, it is characterized in that, this deck is provided with an accommodation space that is matched with miniature SD card, the sidewall of this accommodation space is provided with the terminal of this miniature SD card coupling and can forms the inner terminal that is electrically connected, the outer surface of this deck is provided with and the identical external terminal of SD card position specification, and this inner terminal and this external terminal are electrically connected.
3, the two-in-one adapter of miniature SD card according to claim 1 is characterized in that the processor adopting single-chip microcomputer 8051 in this treatment circuit.
4, the two-in-one adapter of miniature SD card according to claim 1, it is characterized in that, memory storage in this treatment circuit comprises static RAM, direct memory access (DMA) circuit and ROM (read-only memory), this static RAM, this direct memory access (DMA) circuit, this serial data Bridge, this SD/MMC Card Reader controller and this processor interconnect, and this ROM (read-only memory) is connected with this processor.
5, the two-in-one adapter of miniature SD card according to claim 1 is characterized in that, further comprises a phase-locked loop, is connected with this USB (universal serial bus).
6, the two-in-one adapter of miniature SD card according to claim 1 is characterized in that, further comprises a power regulator and electric power detecting device, for this treatment circuit provides power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201194194U CN201159900Y (en) | 2007-04-10 | 2007-04-10 | Two-in-one adapter of miniature SD card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201194194U CN201159900Y (en) | 2007-04-10 | 2007-04-10 | Two-in-one adapter of miniature SD card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201159900Y true CN201159900Y (en) | 2008-12-03 |
Family
ID=40110485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201194194U Expired - Fee Related CN201159900Y (en) | 2007-04-10 | 2007-04-10 | Two-in-one adapter of miniature SD card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201159900Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609661A (en) * | 2019-09-27 | 2019-12-24 | 乐普智芯(天津)医疗器械有限公司 | A kind of flash memory controller with integrated function of reading and writing |
-
2007
- 2007-04-10 CN CNU2007201194194U patent/CN201159900Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110609661A (en) * | 2019-09-27 | 2019-12-24 | 乐普智芯(天津)医疗器械有限公司 | A kind of flash memory controller with integrated function of reading and writing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081203 |