US20070083689A1 - USB system having card-type USB interface connector - Google Patents
USB system having card-type USB interface connector Download PDFInfo
- Publication number
- US20070083689A1 US20070083689A1 US11/636,897 US63689706A US2007083689A1 US 20070083689 A1 US20070083689 A1 US 20070083689A1 US 63689706 A US63689706 A US 63689706A US 2007083689 A1 US2007083689 A1 US 2007083689A1
- Authority
- US
- United States
- Prior art keywords
- usb
- card
- data
- pin
- type
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/12—Program control for peripheral devices using hardware independent of the central processor, e.g. channel or peripheral processor
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
- H01R31/065—Intermediate parts for linking two coupling parts, e.g. adapter with built-in electric apparatus
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Memory System (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
- Information Transfer Systems (AREA)
Abstract
A universal serial bus (USB) system having a card-type USB interface connector includes a host platform, a storage layer, and an electrical interface. The host platform includes a USB host controller for controlling data transfer, and a first card-type connector at which data is transferred. The storage device includes a non-volatile memory device for storing data, a memory controller for controlling the non-volatile memory device, and a second card-type connector at which data is transferred with the first card-type connector. A plurality of electrical lines interconnecting the first and second connectors are disposed in the electrical interface. A USB control module converts transferred data into USB packets, and converts USB packets into data for transfer. The card-type USB interface connector of the USB system is used as a USB interface connector by means of a card-type plug. Thus, the card-type USB interface connector is readily installed in card-type connector interfaces.
Description
- This application is a continuation of U.S. application Ser. No. 10/446,242, filed on May 28, 2003, which relies for priority upon Korean Patent Application No. 02-52729, filed on Sep. 3, 2002, the contents of which are herein incorporated by reference in their entirety.
- The present invention generally relates semiconductor memory devices and, more particularly, to a USB system having a card-type USB interface connector.
- Erasable and programmable non-volatile memory devices (hereinafter referred to as “flash memory devices”) are a popular form of information storage devices. As compared to a traditional magnetic disk, the relatively low cost and low power consumption associated with flash memory devices make such devices the preferred storage media for a wide variety of applications, including multimedia cards, compact flash cards or a smart media cards. Flash memory devices also find application in personal digital assistants (PDAs), digital cameras, and other mobile electronics.
- In the peripheral device extension of a personal computer (PC), universal serial bus (USB) protocols have been utilized for readily achieving high data transfer rate at an economical price. Through the USB protocol, real-time transfer of voice, sound, and compressed video data can be realized. The USB protocol further provides functionality such as self-identification of computer peripheral devices and auto-mapping of drivers. By means of the USB protocol, data storage apparatus, for example PDAs, interface with PCs.
- A conventional memory device having a USB interface connector card includes a plug-type connector, as shown in
FIG. 1 . The plug-type connector includes pins for a power supply signal, data signals D+ and D−, and ground signals. Memory devices having such a plug-type interface connector can be conveniently connected to a computer. However, when a memory device having such a plug-type interface connector is connected to portable apparatuses such as a PDA or a digital camera, a special port and an additional socket are required because such apparatuses commonly include a card-type interface connector. - The present invention is directed to a system which addresses the limitations of the aforementioned conventional embodiments. In particular, the present invention provides a USB system having a card-type interface connector.
- A universal serial bus (USB) system having a card-type USB interface connector includes a host platform, a storage layer, and an electrical interface. The host platform includes a USB host controller for controlling data transfer, and a first card-type connector at which data is transferred. The storage device includes a non-volatile memory device for storing data, a memory controller for controlling the non-volatile memory device, and a second card-type connector at which data is transferred with the first card-type connector. A plurality of electrical lines interconnecting the first and second connectors are disposed in the electrical interface.
- A USB control module converts transferred data into USB packets, and converts USB packets into data for transfer.
- In a first embodiment, the first and second connectors include nine pins and are card-type plugs which are compatible with a secure digital (SD) card, respectively. Of the nine pins, at least one pin is used as a power supply signal, at least one pin is used as a ground signal, at least one signal is used as a D+digital signal, and at least one pin is used as a D− digital signal.
- In a second embodiment, the first and second connectors include ten pins and are card-type plugs which are compatible with a memory stick, respectively. Of the ten pins, at least one pin is used as a power supply signal, at least one pin is used as a ground signal, at least one pin is used as a D+digital signal, and at least one pin is used as a D− digital signal.
- According to the present invention, a card-type plug whose connector is compatible with an SD card or a memory stick is used for the transfer of data according to the USB protocol. Thus, the card-type plug is readily installed in card-type connector interfaces.
- The foregoing and other objects, features and advantages of the invention will be apparent from the more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings in which like reference characters refer to the same parts throughout the different views. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention.
-
FIG. 1 is a perspective view of a conventional USB interface connector. -
FIG. 2 is a block diagram of a USB system according to the present invention. -
FIG. 3 is a conceptual view of a storage device having a USB interface connector according to a first embodiment of the present invention. -
FIG. 4 is a conceptual view of a storage device having a USB interface connector according to a second embodiment of the present invention. - A universal serial bus (USB) system according to the present invention is now described below with reference to
FIG. 2 . - Referring to
FIG. 2 , aUSB system 200 includes ahost platform 210, astorage device 220, and anelectrical interface 230. Thehost platform 210 includes aUSB host controller 212 for controlling data transfer and a first card-type connector 214 to/from which data is transferred/received. TheUSB host controller 212 controls data transfer according to the USB protocol, for example, initializing data transfer, transferring USB packets indicating data transfer type, data transfer direction, USB device address, end point, and the like. - The
storage device 220 includes a second card-type connector 222, aUSB controller 224, amemory controller 226, and anon-volatile memory device 228. Thenon-volatile memory device 228 includes at least one flash memory in which data write, read, and erase operations are performed. TheUSB controller 224 converts an electrical signal transmitted to the second card-type connector into a logical USB packet. Thememory controller 226 controls the writing of data to thenon-volatile memory device 228, the reading of data from thenon-volatile memory device 228, and the erasing of data in thenon-volatile memory device 228. A plurality of electrical signal lines interconnecting the first and second card-type connectors electrical interface 230. In one embodiment, the first card-type connector 214 includes a receptable connector, and the second card-type connector 222 includes a plug connector. Since there is a male-and-female relationship between the first and second card-type connectors type connector 222 will be explained herein. - Example embodiments of second card-
type connector 222 are now described below with reference toFIG. 3 andFIG. 4 which show card-type connectors according to first and second embodiments of the present invention, respectively. - Referring to
FIG. 3 , a card-type connector 300, for example of the type compatible with a secure digital (SD) card, includes nine pins. Four standard USB interface signals, including the power supply signal Vbus, a ground signal GND, and data signals D+ and D−, are mapped to the nine pins. The standard USB interface signals Vbus, GND, +, and D− may be mapped variously to the nine pins. In this example, the power supply signal Vbus is mapped topin 5, the ground signal GND is mapped topins pin 6,pin 8, andpin 9. - Referring to
FIG. 4 , this example of a card-type connector 400 is of a type that is compatible with a memory stick, and includes ten pins. In this example, a power supply signal Vbus is mapped topins pins pin 6,pin 8, andpin 9. The pins of the card-type connector 400 may be variously mapped depending on the configuration of the host platform 210 (seeFIG. 2 ). - As described above, the card-type USB connector according to the present invention is compatible with an SD card or a memory stick. In alternative embodiments, the card-type USB connector can be made compatible with other forms of card-based flash memory units, for example, an existing multimedia card (MMC). In this manner, the card-type connector of the present invention may be installed and used in existing card-type connector interfaces.
- While this invention has been particularly shown and described with references to preferred embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
- For example, depending upon the storage capacity and purpose of a storage device, a card-type connector according to the invention may have various lengths. At the same time, the pins of the card-type connector may be variously mapped according to the requirements of a particular application.
Claims (14)
1. A universal serial bus (USB) system comprising:
a host platform including a USB host controller for controlling data transfer including initialization of such data transfer, exclusively according to USB protocol, and a first card-type connector through which data is transferred;
a storage device including:
a non-volatile memory device for storing the data;
a memory controller for controlling the non-volatile memory device;
a second card-type connector at which data is transferred with the first card-type connector; and
a USB control module for controlling the data transfer to and from the host platform through the second card-type connector; and
an electrical interface including a plurality of electrical signal lines interconnecting the first and second card-type connectors, the plurality of electrical signal lines of the electrical interface exclusively consisting of USB protocol signal lines.
2. The USB system of claim 1 , wherein the plurality of electrical lines interconnecting the first and second card-type connectors are disposed in the electrical interface.
3. The USB system of claim 1 , wherein the USB control module converts a transferred data signal into a USB packet and converts a USB packet into a data signal to be transferred.
4. The USB system of claim 1 , wherein one of the first and second card-type connectors includes a plurality of pins and is a card-type plug.
5. The USB system of claim 4 , wherein at least one pin of the plurality of pins is used as a power supply signal, at least one pin is used as a ground signal, at least one pin is used as a D+data signal, and at least one pin is used as a D− data signal.
6. The USB system of claim 1 , wherein one of the first and second connectors includes a plurality of pins and is a card-type plug which is compatible with at least one of a security digital (SD) card, a multi-media card (MMC), and a memory stick (MS).
7. The USB system of claim 6 , wherein of the plurality of pins, at least one pin is used as a power supply signal, at least one pin is used as a ground signal, at least one pin is used as a D+data signal, and at least one pin is used as a D− data signal.
8. A universal serial bus (USB) storage device comprising:
a non-volatile memory device for storing and retrieving data;
a memory controller for controlling the non-volatile memory device;
a card-type connector at which data is transferred with a USB host platform;
a USB control module for controlling data transfer to and from the USB host platform and for initializing such data transfer, exclusively according to USB protocol through the card-type connector; and
an electrical interface including a plurality of electrical signal lines connected to the card-type connector, the plurality of electrical signal lines of the electrical interface exclusively consisting of USB protocol signal lines.
9. The USB system of claim 8 , wherein the USB control module converts the transferred data into a USB packet and converts USB packets into data to be transferred.
10. The USB system of claim 8 , wherein the plurality of electrical lines connected to the card-type connector is disposed in the electrical interface.
11. The USB system of claim 8 , wherein the connector includes a plurality of pins and is a card-type plug.
12. The USB system of claim 11 , wherein of the plurality of pins, at least one pin is used as a power supply signal, at least one pin is used as a ground signal, at least one pin is used as a D+data signal, and at least one pin is used as a D− data signal.
13. The USB system of claim 8 , wherein the connector includes a plurality of pins and is a card-type plug which is compatible with at least one of a security digital (SD) card, a multi-media card (MMC), and a memory stick (MS).
14. The USB system of claim 13 , wherein of the plurality of pins, at least one pin is used as a power supply signal, at least one pin is used as a ground signal, at least one pin is used as a D+data signal, and at least one pin is used as a D− data signal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/636,897 US20070083689A1 (en) | 2002-09-03 | 2006-12-11 | USB system having card-type USB interface connector |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0052729A KR100476929B1 (en) | 2002-09-03 | 2002-09-03 | USB system having card type USb interface connector |
KR02-52729 | 2002-09-03 | ||
US10/446,242 US7171502B2 (en) | 2002-09-03 | 2003-05-28 | USB system having card-type USB interface connector |
US11/636,897 US20070083689A1 (en) | 2002-09-03 | 2006-12-11 | USB system having card-type USB interface connector |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/446,242 Continuation US7171502B2 (en) | 2002-09-03 | 2003-05-28 | USB system having card-type USB interface connector |
Publications (1)
Publication Number | Publication Date |
---|---|
US20070083689A1 true US20070083689A1 (en) | 2007-04-12 |
Family
ID=31973630
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/446,242 Expired - Fee Related US7171502B2 (en) | 2002-09-03 | 2003-05-28 | USB system having card-type USB interface connector |
US11/636,897 Abandoned US20070083689A1 (en) | 2002-09-03 | 2006-12-11 | USB system having card-type USB interface connector |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/446,242 Expired - Fee Related US7171502B2 (en) | 2002-09-03 | 2003-05-28 | USB system having card-type USB interface connector |
Country Status (4)
Country | Link |
---|---|
US (2) | US7171502B2 (en) |
JP (1) | JP4435514B2 (en) |
KR (1) | KR100476929B1 (en) |
TW (1) | TWI247236B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070150638A1 (en) * | 2005-12-23 | 2007-06-28 | Power Data Communications Co., Ltd. & Chien-Yuan Chen | Changeable USB memory stick |
CN102176589A (en) * | 2010-12-27 | 2011-09-07 | 河北汉光重工有限责任公司 | Concentrator for universal serial bus (USB)-8 serial port RS422 |
RU2468430C1 (en) * | 2008-10-23 | 2012-11-27 | ОСЕЛОТ, ЭлЭлСи. | Data storage device (versions) |
US20200050392A1 (en) * | 2018-08-08 | 2020-02-13 | Kyocera Document Solutions Inc. | Information processing device, information management method and computer readable medium storing information managing program for information processing device |
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KR20040041733A (en) * | 2002-11-11 | 2004-05-20 | 주식회사 디오그라피 | USB/IEEE1394 flash memory device for communicating with host platform |
KR100618814B1 (en) * | 2003-07-04 | 2006-08-31 | 삼성전자주식회사 | Movable storage apparatus combined use of smart card capable of interfacing multi hosts and interfacing method of the same |
KR100505697B1 (en) * | 2003-07-23 | 2005-08-02 | 삼성전자주식회사 | Memory card, connector for Universal Serial Bus and Universal Serial Bus connection system |
US7496493B1 (en) * | 2004-11-09 | 2009-02-24 | Western Digital Technologies, Inc. | External memory device to provide disk device and optical functionality |
KR100746308B1 (en) * | 2005-04-15 | 2007-08-06 | 주식회사 디엠스토리지 | Usb card with sd card type packing and interface therefor |
US20060288146A1 (en) * | 2005-06-21 | 2006-12-21 | Power Digital Card Co., Ltd. | Dual connecting interface memory card |
US20080288709A1 (en) * | 2007-05-15 | 2008-11-20 | Imagestream Internet Solutions | Wide area network connection platform |
US7685337B2 (en) * | 2007-05-24 | 2010-03-23 | Siliconsystems, Inc. | Solid state storage subsystem for embedded applications |
US7814255B1 (en) * | 2009-04-14 | 2010-10-12 | Oracle America, Inc. | Multi-interface multi-channel modular hot plug I/O expansion |
US8700850B1 (en) | 2011-06-24 | 2014-04-15 | Western Digital Technologies, Inc. | Data storage device evaluating a SATA connector to detect a non-SATA host |
US9158722B1 (en) | 2011-11-02 | 2015-10-13 | Western Digital Technologies, Inc. | Data storage device to communicate with a host in a SATA or a USB mode |
CN103577365A (en) | 2012-07-19 | 2014-02-12 | 财团法人工业技术研究院 | Portable electronic device |
CN102981990B (en) * | 2012-11-09 | 2015-07-22 | 青岛海信移动通信技术股份有限公司 | Data transmission method and device of terminal equipment with Androild platform |
CN103336754B (en) * | 2013-05-31 | 2016-03-09 | 杭州晟元数据安全技术股份有限公司 | A kind of USB is from the system clock automated calibration system of equipment and method |
CN103984661B (en) * | 2014-05-29 | 2017-03-01 | 国家电网公司 | A kind of Multifunctional debugging interface switching device |
US9734358B2 (en) * | 2015-01-02 | 2017-08-15 | High Sec Labs Ltd | Self-locking USB protection pug device having LED to securely protect USB jack |
CN106329263A (en) * | 2016-11-02 | 2017-01-11 | 港正盈科技(深圳)有限公司 | Adapter based on USBtype-C |
USD885391S1 (en) | 2018-11-04 | 2020-05-26 | Kien Hoe Daniel Chin | USB adapter apparatus |
USD891433S1 (en) | 2018-11-04 | 2020-07-28 | Kien Hoe Daniel Chin | USB adapter apparatus |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070150638A1 (en) * | 2005-12-23 | 2007-06-28 | Power Data Communications Co., Ltd. & Chien-Yuan Chen | Changeable USB memory stick |
RU2468430C1 (en) * | 2008-10-23 | 2012-11-27 | ОСЕЛОТ, ЭлЭлСи. | Data storage device (versions) |
CN102176589A (en) * | 2010-12-27 | 2011-09-07 | 河北汉光重工有限责任公司 | Concentrator for universal serial bus (USB)-8 serial port RS422 |
US20200050392A1 (en) * | 2018-08-08 | 2020-02-13 | Kyocera Document Solutions Inc. | Information processing device, information management method and computer readable medium storing information managing program for information processing device |
US10866761B2 (en) * | 2018-08-08 | 2020-12-15 | Kyocera Document Solutions Inc. | Information processing device, information management method and computer readable medium storing information managing program for information processing device |
Also Published As
Publication number | Publication date |
---|---|
KR20040022276A (en) | 2004-03-12 |
KR100476929B1 (en) | 2005-03-16 |
US7171502B2 (en) | 2007-01-30 |
TWI247236B (en) | 2006-01-11 |
TW200404249A (en) | 2004-03-16 |
JP4435514B2 (en) | 2010-03-17 |
US20040044819A1 (en) | 2004-03-04 |
JP2004094934A (en) | 2004-03-25 |
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