CN204204010U - A kind of TF card with communication function - Google Patents
A kind of TF card with communication function Download PDFInfo
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- CN204204010U CN204204010U CN201420654972.8U CN201420654972U CN204204010U CN 204204010 U CN204204010 U CN 204204010U CN 201420654972 U CN201420654972 U CN 201420654972U CN 204204010 U CN204204010 U CN 204204010U
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Abstract
The utility model discloses a kind of TF card with communication function, existing TF card structure is improved, has set up TF control chip and wireless communication module, while making TF card realize data storage and inquire, also can realize the communication with external unit, make TF card have extendability function; Because TF card can be bumped into the mobile device such as mobile phone, computer, can easily for mobile device increases wireless communication function, in addition, if wireless communication module is damaged and can not uses in mobile device, user replaces the wireless communication module damaged by TF card, convenient and simple, and the expense of TF card is lower than the repairing expense of mobile device.
Description
Technical field
The utility model relates to a kind of storage medium, in particular a kind of TF card with communication function.
Background technology
TF card, also known as micro SD, is a kind of superfine little flash memory cards, dodges enlightening by SanDisk() company's invention foundation.This card mainly uses in mobile phone, but because it has the minimum advantage of volume, along with the capacity constantly promoted, it slowly starts from using in GPS device, portable music player and some flash memory dishes.
At present, being made up of control chip and storage Flash of TF card general on market, outside is communicated with control chip by SDIO interface, and then realizes the access to Flash by control chip.This TF Kapp and extensively, is applicable to embedded mobile device in a large number, in navigator and other portable equipments, but because this card inside only has controller and Flash module, so only have the effect of storage information, function ratio is more single, and extensibility is also poor.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
For solving above-mentioned the deficiencies in the prior art, the utility model provides a kind of TF card with communication function, improves, set up TF control chip, and be provided with wireless communication module the internal structure of TF card, makes TF card add communication function.
For reaching above-mentioned purpose, the utility model have employed following technical scheme:
With a TF card for communication function, comprising:
For storing the Flash chip of data; For the TF control chip shunted the data of Flash chip and wireless communication module; For setting up physical connection with the external unit installing TF card, realize the external communication interface of exchanges data; Being connected for setting up radio communication with wireless signal transmission equipment, realizing the wireless communication module of exchanges data; Flash chip, wireless communication module and external communication interface are connected with TF control chip respectively.
The described TF card with communication function, wherein, described controller chip accesses Flash chip by GPIO or SPI mode.
The described TF card with communication function, wherein, described controller chip is connected with described wireless communication module by RS232, SPI or I2C serial communication interface.
The described TF card with communication function, wherein, described wireless communication module is bluetooth module.
The described TF card with communication function, wherein, described wireless communication module is WIFI module.
The described TF card with communication function, wherein, described wireless communication module is 2.4G module.
The described TF card with communication function, wherein, described external communication interface is SDIO interface.
The described TF card with communication function, wherein, described wireless communication module is ZIGBEE module.
The described TF card with communication function, wherein, described wireless communication module is RFIC module.
The described TF card with communication function, wherein, described wireless communication module is 2G module or 3G module.
Compared with prior art, the utility model beneficial effect is, improves existing TF card structure, TF control chip and wireless communication module are set up, while making TF card realize data storage and inquire, also can realize the communication with external unit, make TF card have extendability function; Because TF card can be bumped into the mobile device such as mobile phone, computer, can easily for mobile device increases wireless communication function, in addition, if wireless communication module is damaged and can not uses in mobile device, user replaces the wireless communication module damaged by TF card, convenient and simple, and the expense of TF card is lower than the repairing expense of mobile device.
Accompanying drawing explanation
Fig. 1 is the TF card structure figure with communication function described in the utility model.
Fig. 2 is the TF card schematic appearance with communication function described in the utility model.
Embodiment
The utility model provides a kind of TF card with communication function, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes the utility model referring to accompanying drawing examples.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, Fig. 1 is the TF card structure figure with communication function described in the utility model.As shown in Figure 1, a kind of TF card with communication function described in the utility model, comprising:
For storing the Flash chip 201 of data;
For the TF control chip 202 shunted the data of Flash chip and wireless communication module;
For setting up physical connection with the external unit installing TF card, realize the external communication interface 203 of exchanges data;
Being connected for setting up radio communication with wireless signal transmission equipment, realizing the wireless communication module 204 of exchanges data;
Flash chip 201, wireless communication module 204 and external communication interface 203 are connected with TF control chip 202 respectively.
It is emphasized that, external communication interface as above is used for setting up physical connection with the external unit installing TF card, realize exchanges data, external unit described here refers to the equipment installing TF card, mainly refers to the equipment such as mobile phone, computer, vehicle mounted guidance box; Described wireless communication module is used for setting up radio communication with wireless signal transmission equipment and is connected, and realizes exchanges data, and described wireless signal transmission equipment, as wireless router, launches the mobile phone etc. of Bluetooth signal.Flash chip, for storing data, is a storage unit, based on the basis of Flash chip, we can associate other storage organizations, as flashROM, based on such fact, we can expand the equivalency range of Flash chip, comprise all storage unit.Same; TF card described in the utility model; technical solutions of the utility model also simply, without the need to creating work can be applied to SD card by us; these are that those skilled in the art easily expect; replace for simply equivalent, therefore also belong to the protection domain of technical solutions of the utility model based on the simple change of technical solutions of the utility model.
In addition, during the data of technical scheme process Flash chip described in the utility model and wireless communication module, control without the need to adding software in the equipment installing TF card, directly realize the processing controls to data by TF control chip, by the access of protocol conversion process wireless communication module and storage unit, the independent access to Flash chip and wireless communication module is realized by the SDIO order of standard, not by controlling to realize conversion to the difference of I/O interface, or realized by switching over.The equipment of TF card being installed without the need to installing any driver, the TF cartoon with communication function described in the utility model need being installed and crossing application program and can use.
The described TF card with communication function, wherein, described controller chip accesses Flash by GPIO or SPI mode.English full name General-Purpose Input/Output Ports of GPIO, Chinese is meant to general purpose I/O port.In embedded systems, often need to control the simple external unit of many structures or circuit, a GPIO port at least needs two registers, and one is done " the general purpose I/O port control register " that control, and also having one is store data " general purpose I/O port data register ".Each of data register is corresponding with the hardware pin of GPIO, and the direction of transfer of data is arranged by control register, can be arranged the data flow of each pin by control register.SPI (Serial Peripheral Interface--Serial Peripheral Interface (SPI)) bus system is a kind of synchronous serial Peripheral Interface, and MCU and various peripherals can be made to carry out in a serial fashion communicating to exchange information.SPI has three registers to be respectively: control register SPCR, status register SPSR, data register SPDR.
The described TF card with communication function, wherein, described controller chip is connected with described wireless communication module by RS232, SPI or I2C serial communication interface, communicates.RS232 and RS-232 is one of serial communication interface of present main flow, and in rs-232 standard, character is that serial (serial) mode come one by one with the Bit String of a serial is transmitted, and advantage is that transmission line is few, and distribution is simple, and transmitting range can be far away.Logical one and logical zero voltage progression is defined in rs-232 standard, and the transfer rate of standard and connector type.I2C bus is the twin wire universal serial bus developed by PHILIPS company, for connecting microcontroller and peripherals thereof.It is a kind of bus standard that microelectronics Control on Communication field extensively adopts.It is a kind of special shape of synchronous communication, has interface line few, and control mode is simple, and device package form is little, and traffic rate is advantages of higher comparatively.
The described TF card with communication function, wherein, described wireless communication module is bluetooth module.Bluetooth is the radiotelegraphy of a kind of support equipment short haul connection (in general 10m).Wireless messages exchange can be carried out comprising between numerous equipment such as mobile phone, PDA, wireless headset, notebook computer, related peripherals." bluetooth " technology of utilization, can simplify the communication between mobile communication terminal device effectively, also can communication successfully between simplified apparatus and the Internet Internet, thus data transmission becomes efficient more rapidly, is radio communication widening road.The utility model arranges bluetooth module in TF card, and for TF card extends New function, meanwhile, if install in a device, the equipment that can be increases Bluetooth function.
The described TF card with communication function, wherein, described wireless communication module is WIFI module.WiFi technology is very ripe, and household electrical appliances are intelligent, creates serial ports wifi module and is born.It is embedded WiFi module of new generation, and volume is little, low in energy consumption.Adopt UART interface.Serial ports wifi module is based on USB (universal serial bus) characteristic, meet IEEE802.11 protocol stack network standard, built-in ICP/IP protocol stack, any transparent translation between user's serial ports, Ethernet, wireless network (WIFI) 3 interfaces can be realized, make conventional serial interface equipment better add wireless network.The utility model arranges wireless communication module in TF card, and what it adopted is serial communication interface, allows your serial equipment easily network, all-transparent bidirectional data transfers, ensures ease for use and the compatibility of maximum.
The described TF card with communication function, wherein, described wireless communication module is 2.4G module.2.4G technology, namely " the 2.4g non-networked solution " that it has often been said, 2.4ghz wireless technology frequency is 2.4-2.485ghz ism (industrial, scientific and medical index), it is Radio Transmission Technology emerging in recent years, this frequency range is exempted to authorize, freely use at most countries, is therefore widely used in wireless domain, for the universal of product has cleared away biggest obstacle.2.4g wireless technology is transmitted in both directions, and one-way transmission speed can reach 2Mbps, and owing to have employed from frequency modulation technology, the impact of interference is greatly reduced.When 2.4g equipment does not work, 2.4g transmitter also can be in dormant state, and power consumption is greatly reduced.Transmission range also reaches tens meters in theory.The advantage of 2.4G technology solves as large in 27Mhz/433MHz power, the shortcoming such as transmission range is short, interfering with each other easily appears in like product and proposes.Compare relative to the bluetooth being all 2.4G frequency range, 2.4G has and exempts to authorize, exempt from the advantages such as patent royalty, and little with its function, long transmission distance and being used widely.Because 2.4 technology are a kind of emerging Radio Transmission Technologys, a lot of equipment is not supported, if add 2.4G module in TF card, can be the equipment installing TF card increases 2.4G Radio Transmission Technology.
It is emphasized that wireless communication module comprises a lot, ZIGBEE module, RFIC module, 2G module or 3G module can also be set to.ZIGBEE module, RFIC module, 2G module and 3G module are prior art, repeat no more, it should be noted that, ZIGBEE module, RFIC module, 2G module and 3G module are mobile communication module, ZIGBEE module, RFIC module, 2G module or 3G module are set in TF card, equipment and the mobile communication of installation TF card can be made, if after vehicle mounted guidance box is provided with the TF with communication function, vehicle mounted guidance box can be made to possess function of voice communication, be convenient to Voice Navigation and use.
The described TF card with communication function, wherein, described external communication interface is SDIO interface.SDIO interface is a kind of common interface, and concrete visible Fig. 2, Fig. 2 are the TF card schematic appearance with communication function described in the utility model, and as shown in Figure 2,301 is TF body, and 302 is external communication interface; 303 is Flash chip; 304 is wireless communication module.It should be noted that, the setting of wireless communication module 304 shown in Fig. 2 is divided into two kinds, and one is plug-in form, sets up wireless communication module exactly, improve TF card on original TF card; Another kind is individual packages form, being when making TF card, wireless communication module being encapsulated together, adopts disposable encapsulation, make the TF card outward appearance with communication function produced identical with original TF outward appearance, just slightly different in the thickness of TF card, width or length.
In sum, the utility model provides a kind of TF card with communication function, the structure of existing TF card is improved, TF control chip and wireless communication module are set up, while making TF card realize data storage and inquire, also can realize the communication with external unit, make TF card have extendability function; Because TF card can be bumped into the mobile device such as mobile phone, computer, can easily for mobile device increases wireless communication function, in addition, if wireless communication module is damaged and can not uses in mobile device, user replaces the wireless communication module damaged by TF card, convenient and simple, and the expense of TF card is lower than the repairing expense of mobile device.
Should be understood that; application of the present utility model is not limited to above-mentioned citing; for those of ordinary skills, can be improved according to the above description or convert, all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (10)
1., with a TF card for communication function, comprising:
For storing the Flash chip of data;
For the TF control chip shunted the data of Flash chip and wireless communication module;
For setting up physical connection with the external unit installing TF card, realize the external communication interface of exchanges data;
Being connected for setting up radio communication with wireless signal transmission equipment, realizing the wireless communication module of exchanges data;
Flash chip, wireless communication module and external communication interface are connected with TF control chip respectively.
2. the TF card with communication function according to claim 1, it is characterized in that, described controller chip accesses Flash chip by GPIO or SPI mode.
3. the TF card with communication function according to claim 1, is characterized in that, described controller chip is connected with described wireless communication module by RS232, SPI or I2C serial communication interface.
4. the TF card with communication function according to claim 1, is characterized in that, described wireless communication module is bluetooth module.
5. the TF card with communication function according to claim 1, is characterized in that, described wireless communication module is WIFI module.
6. the TF card with communication function according to claim 1, is characterized in that, described wireless communication module is 2.4G module.
7. the TF card with communication function according to claim 1, is characterized in that, described external communication interface is SDIO interface.
8. the TF card with communication function according to claim 1, is characterized in that, described wireless communication module is ZIGBEE module.
9. the TF card with communication function according to claim 1, is characterized in that, described wireless communication module is RFIC module.
10. the TF card with communication function according to claim 1, is characterized in that, described wireless communication module is 2G module or 3G module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420654972.8U CN204204010U (en) | 2014-04-04 | 2014-11-05 | A kind of TF card with communication function |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014101350341 | 2014-04-04 | ||
| CN201410135034.1A CN103942171A (en) | 2014-04-04 | 2014-04-04 | TF card with communication function |
| CN201420654972.8U CN204204010U (en) | 2014-04-04 | 2014-11-05 | A kind of TF card with communication function |
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| Publication Number | Publication Date |
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| CN204204010U true CN204204010U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410135034.1A Pending CN103942171A (en) | 2014-04-04 | 2014-04-04 | TF card with communication function |
| CN201410615268.6A Active CN104318301B (en) | 2014-04-04 | 2014-11-05 | TF card having communication function |
| CN201420654972.8U Active CN204204010U (en) | 2014-04-04 | 2014-11-05 | A kind of TF card with communication function |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410135034.1A Pending CN103942171A (en) | 2014-04-04 | 2014-04-04 | TF card with communication function |
| CN201410615268.6A Active CN104318301B (en) | 2014-04-04 | 2014-11-05 | TF card having communication function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318301A (en) * | 2014-04-04 | 2015-01-28 | 广东翼卡车联网服务有限公司 | TF card having communication function |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104410659A (en) * | 2014-10-14 | 2015-03-11 | 广东翼卡车联网服务有限公司 | Bluetooth-based information transmission system for Internet of Vehicles and implementation method thereof |
| CN104332172B (en) * | 2014-10-14 | 2017-04-19 | 广东翼卡车联网服务有限公司 | TF (TransFlash) card with Bluetooth function |
| CN104320445A (en) * | 2014-10-14 | 2015-01-28 | 广东翼卡车联网服务有限公司 | Internet-of-vehicles system based on mobile phone decoding and implementation method of Internet of vehicles |
| CN104359201A (en) * | 2014-11-11 | 2015-02-18 | 广东好帮手电子科技股份有限公司 | Vehicle-mounted purifier with USB (Universal Serial Bus) interface and wireless communication module |
| CN104410000A (en) * | 2014-12-05 | 2015-03-11 | 国家电网公司 | Movable electricity monitoring device |
| CN104572524B (en) * | 2015-01-06 | 2017-11-21 | 广东翼卡车联网服务有限公司 | It is a kind of to realize the method and system for accessing SD card I/O device without driving |
| CN104580460B (en) * | 2015-01-06 | 2019-02-01 | 广东翼卡车联网服务有限公司 | A kind of method and system of vehicle mounted guidance access internet |
| CN104572513B (en) * | 2015-01-07 | 2017-12-26 | 广东翼卡车联网服务有限公司 | A kind of TF card and its implementation without driving with Bluetooth function |
| CN108845967A (en) * | 2018-07-03 | 2018-11-20 | 广东好帮手环球科技有限公司 | A kind of I2C bus analysis device |
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| FR2715783B1 (en) * | 1994-02-02 | 1996-04-05 | Larocom | IT tool for direct communication between individuals and operating system. |
| EP2369515A1 (en) * | 2010-03-10 | 2011-09-28 | Vodafone Holding GmbH | Mobile communication device adapter for connecting to sensors |
| CN101860440B (en) * | 2010-06-03 | 2013-10-09 | 华为终端有限公司 | Wireless internet module and data synchronism method and data card using same |
| CN201717847U (en) * | 2010-07-14 | 2011-01-19 | 深圳市江波龙电子有限公司 | Wireless communication card |
| CN102176236B (en) * | 2011-02-14 | 2013-07-10 | 华为终端有限公司 | Printed circuit board, secure digital card and method for manufacturing printed circuit board |
| CN102789590B (en) * | 2011-06-02 | 2015-09-09 | 深圳中科讯联科技有限公司 | Radio-frequency SIM card and there is the mobile communication equipment of this radio-frequency SIM card |
| CN102968656A (en) * | 2011-08-31 | 2013-03-13 | 北京中电华大电子设计有限责任公司 | Radio frequency subscriber identity module (SIM) card integrated with motion sensor |
| CN102509140A (en) * | 2011-09-26 | 2012-06-20 | 深圳市江波龙电子有限公司 | Composite memory card and realization method and terminal thereof |
| CN102404874A (en) * | 2011-10-24 | 2012-04-04 | 上海汉枫电子科技有限公司 | Wireless sensing network module based on Internet of Things |
| CN102664975B (en) * | 2012-04-25 | 2015-09-23 | 惠州Tcl移动通信有限公司 | A kind of micro SD card and mobile phone with Wi-Fi function |
| CN103942171A (en) * | 2014-04-04 | 2014-07-23 | 广东翼卡车联网服务有限公司 | TF card with communication function |
-
2014
- 2014-04-04 CN CN201410135034.1A patent/CN103942171A/en active Pending
- 2014-11-05 CN CN201410615268.6A patent/CN104318301B/en active Active
- 2014-11-05 CN CN201420654972.8U patent/CN204204010U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104318301A (en) * | 2014-04-04 | 2015-01-28 | 广东翼卡车联网服务有限公司 | TF card having communication function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103942171A (en) | 2014-07-23 |
| CN104318301A (en) | 2015-01-28 |
| CN104318301B (en) | 2017-05-10 |
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Address after: 528100 F3 (F3), C District, southwest garden of Sanshui center science and Technology Industrial Park, Foshan, Guangdong Patentee after: Guangdong Ecar Telematics Service Co.,Ltd. Address before: 528100, No. 2, inner ring road, 1 North East Sea Road, Sanshui East Road, Sanshui District, Guangdong, Foshan 203, 204 Patentee before: Guangdong Ecar Telematics Service Co.,Ltd. |