CN204440452U

CN204440452U - A kind of TF card with BLE

Info

Publication number: CN204440452U
Application number: CN201520004807.2U
Authority: CN
Inventors: 殷建红; 周川; 林义民
Original assignee: Guangdong Ecar Telematics Service Co Ltd
Current assignee: Guangdong Ecar Telematics Service Co Ltd
Priority date: 2015-01-06
Filing date: 2015-01-06
Publication date: 2015-07-01
Anticipated expiration: 2025-01-06

Abstract

The utility model discloses a kind of TF card with BLE, while TF card realizes data storage and inquire, also can realize the communication with external unit, make TF card have extendability function; The mobile devices such as mobile phone, computer, vehicle mounted guidance box can be bumped into due to TF card, can easily for mobile device increases BLE, in addition, if BLE is damaged and can not uses in equipment, user is by installing the BLE of the TF card replacement damage with BLE, equipment is made to have BLE, convenient and simple, and the expense of TF card is lower than the repairing expense of equipment.BLE is set in TF card, two equipment having installed the described TF card with BLE can be accessed mutually without the need to license, be applicable to the sight of certain operations inconvenience, as environment.

Description

A kind of TF card with BLE

Technical field

The utility model relates to a kind of storage medium, in particular a kind of TF card with BLE.

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 is mainly 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 BLE, improves, set up TF control chip, and be provided with BLE the internal structure of TF card, makes TF card add BLE.

For reaching above-mentioned purpose, the utility model have employed following technical scheme:

With a TF card of BLE, comprising:

For storing the Flash chip of data; For the TF control chip shunted the data of Flash chip and BLE; 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 bluetooth with BLE signal transmitter, realizing the BLE of exchanges data; Flash chip, BLE and external communication interface are connected with TF control chip respectively.

The described TF card with BLE, wherein, described controller chip accesses Flash chip by GPIO or SPI mode.

The described TF card with BLE, wherein, described controller chip is connected with described BLE by RS232, SPI or I2C serial communication interface.

The described TF card with BLE, wherein, described external communication interface is SDIO interface.

Compared with prior art, the utility model beneficial effect is, while TF card realizes data storage and inquire, also can realize the communication with external unit, make TF card have extendability function; The mobile devices such as mobile phone, computer, vehicle mounted guidance box can be bumped into due to TF card, can easily for mobile device increases BLE, in addition, if BLE is damaged and can not uses in equipment, user is by installing the BLE of the TF card replacement damage with BLE, equipment is made to have BLE, convenient and simple, and the expense of TF card is lower than the repairing expense of equipment.

Accompanying drawing explanation

Fig. 1 is the TF card structure figure with BLE described in the utility model.

Fig. 2 is the TF card schematic appearance with BLE described in the utility model.

Embodiment

The utility model provides a kind of TF card with BLE, 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 BLE described in the utility model.As shown in Figure 1, a kind of TF card with BLE described in the utility model, comprising:

For storing the Flash chip 101 of data;

For the TF control chip 102 shunted the data of Flash chip and BLE;

For setting up physical connection with the external unit installing TF card, realize the external communication interface 103 of exchanges data;

Being connected for setting up bluetooth with BLE signal transmitter, realizing the BLE104 of exchanges data;

Flash chip 101, BLE104 and external communication interface 103 controls 102, core respectively and is connected with TF.

BLE is low-power consumption bluetooth, and as bluetooth 4.0, bluetooth low energy consumption technologies is the robustness wireless technology of low cost, short distance, interoperable, is operated in the 2.4GHz ISM radio frequency band of exempting to permit.BLE is set in TF card, two equipment having installed the described TF card with BLE can be accessed mutually without the need to license, be applicable to the sight of certain operations inconvenience, as vehicle environment.

External communication interface as above is used for setting up physical connection with the external unit installing TF card, and 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 BLE is used for establishing a communications link with BLE signal transmitter, realizes exchanges data.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 BLE, 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 BLE and storage unit, realizing the independent access to Flash chip and BLE by the SDIO order of standard, is 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 BLE described in the utility model need being installed and crossing application program and can use.

The described TF card with BLE, 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 BLE, wherein, described controller chip is connected with described BLE 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 BLE, 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 BLE 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 BLE.It should be noted that, the setting of BLE304 shown in Fig. 2 is divided into two kinds, and one is plug-in form, sets up BLE exactly, improve TF card on original TF card; Another kind is individual packages form, being when making TF card, being encapsulated together by BLE, adopting disposable encapsulation, make the TF card outward appearance with BLE produced identical with original TF outward appearance, is slightly different in the thickness of TF card, width or length.

In sum, the TF card with BLE described in the utility model, while TF card realizes data storage and inquire, also can realize the communication with external unit, make TF card have extendability function; The mobile devices such as mobile phone, computer, vehicle mounted guidance box can be bumped into due to TF card, can easily for mobile device increases BLE, in addition, if BLE is damaged and can not uses in equipment, user is by installing the BLE of the TF card replacement damage with BLE, equipment is made to have BLE, convenient and simple, and the expense of TF card is lower than the repairing expense of equipment.BLE is set in TF card, two equipment having installed the described TF card with BLE can be accessed mutually without the need to license, be applicable to the sight of certain operations inconvenience, as environment.

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

1., with a TF card of BLE, it is characterized in that, comprising:

For storing the Flash chip of data;

For the TF control chip shunted the data of Flash chip and BLE;

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 bluetooth with BLE signal transmitter, realizing the BLE of exchanges data;

Flash chip, BLE and external communication interface are connected with TF control chip respectively.

2. the TF card with BLE 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 BLE according to claim 1, is characterized in that, described controller chip is connected with described BLE by RS232, SPI or I2C serial communication interface.

4. the TF card with BLE according to claim 1, is characterized in that, described external communication interface is SDIO interface.