CN202815829U - Wireless communication module - Google Patents
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- CN202815829U CN202815829U CN201220513477.6U CN201220513477U CN202815829U CN 202815829 U CN202815829 U CN 202815829U CN 201220513477 U CN201220513477 U CN 201220513477U CN 202815829 U CN202815829 U CN 202815829U
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Abstract
The utility model discloses a wireless communication module which is based on the android system. The wireless communication module comprises a baseband chip, a first memorizer and a second memorizer, wherein the first memorizer is used for storing data of a systematic hardware, application programs and users, and the second memorizer is used for storing dynamic data in the operation of the android system. The baseband chip comprises an application processor and a wireless communication processor, wherein the application processor is used for operating the android system and the application programs, and the wireless communication processor is used for receiving and sending the data, and forwarding the data to the application processor. The wireless communication module simplifies designs of the users, shortens development time of the users, reduces integral cost of the users, meanwhile overcomes the defects of open source codes or modules providing software development kits (SDK) modules, supports dynamic installation and unloading programs, reduces bugs, and increases stability of products.
Description
Technical field
The utility model relates to a kind of wireless communication module, particularly relates to a kind of wireless communication module of single-chip.
Background technology
At present a lot of industry fields all need to use wireless communication module, such as remote automatic meter reading (water, electricity, gas), oil well monitoring, security monitoring and warning, intelligent taxi, commercial hand-held PDA(personal digital assistant), tele-medicine etc.
Wireless module is a kind of module with wireless communication function.Difference according to communications protocol, wireless module can be divided into a variety of, such as GSM/GPRS module (Global System for Mobile Communications, global system for mobile communications, General Packet Radio Service, GPRS), WCDMA module (Wideband Code Division Multiple Access, Wideband Code Division Multiple Access (WCDMA)), the Wifi module (Wi-Fi be a kind of can be with PC, the terminals such as handheld device are with the interconnected technology of wireless mode, Wi-Fi is the brand of a Wi-Fi communication technology), bluetooth module etc.It comprises two parts of software and hardware, and hardware is divided into again the systems such as processor, storer, IO interface, radio-frequency (RF) transceiver.Software is divided into the parts such as operating system, driver, communication protocol stack, application program.
The operating system of traditional wireless module all is embedded real-time operating system, and this operating system all is enclosed, and the user can not develop the application program of oneself dynamically in the above.How the user will come development system with this module, and just hardware system is overlapped in design one in addition, moves their application program.Like this, traditional wireless telecommunication system just is divided into two parts: application processing module, wireless communication module (see figure 1).Application processing module is responsible for the processing of data, and wireless communication module is responsible for that data are sent to far-end or from the far-end receive data and feed back to application processing module.Usually, application processing module is had relatively high expectations to the calculated performance of processor, generally all can use the processor of superior performance, and intelligent operating system, that (UNIX operating system is U.S. AT﹠amp for a kind of class Unix operating system of free and open source code such as Linux(Linux; The operating system that T company moved at PDP-11 in 1971.Characteristics with multi-user, multitask, support the various processor framework, the earliest by willing Thompson (Kenneth Lane Thompson), Denis Ritchie (Dennis MacAlistair Ritchie) and Douglas McIlroy in 1969 at AT﹠amp; The Bell Laboratory exploitation of T)), Windows CE(Microsoft is embedded, the basis of mobile computing platform, it is an opening, upgradeable 32 embedded OSs), the Android(Android, Android is a kind of take the open source code operating system of Linux as the basis, mainly is used in portable equipment).And wireless communication module is lower to the performance requirement of processor, generally all uses the processor of low dominant frequency and less real time embedded system.
This scheme comprises wireless telecommunications and uses and process two modules that so its cost is higher, the research and development difficulty is large, and the R﹠D cycle is longer, and product also is out of order than being easier to.
The wireless communication module manufacturer that has at present, can or provide SDK(Software Development Kit to client's open source code, SDK (Software Development Kit)) kit, the user just can be the program on the application processing module, be transplanted to above the wireless communication module and move, so just no longer need to design the hardware components of application processing module, it is high that it has overcome the traditional scheme cost, the research and development difficulty is large, the problem that the R﹠D cycle is long.But the designed system the inside only has the wireless telecommunications processor like this, does not have application processor, and it is to move above the program on the application processor is put into the wireless telecommunications processor.Since the performance of wireless telecommunications processor a little less than, but also to move simultaneously wireless telecommunications program and user program, can cause like this user program response slowly.The other closure of the operating system of wireless communication module, this scheme can not support application program dynamic installation unloading, can not support real multitask, their UI(User Interface, user interface) all enrich not powerful, be difficult to realize complicated application program, different exploitation and the transplanting that is unfavorable for program of the SDK of each producer.Because the link of this user application, be based on the chained library of wireless communication module firmware, so after the firmware of wireless communication module upgraded, must upgrade simultaneously user application, otherwise user application can not move just.Because these shortcomings are arranged, the designed system function is all more weak like this, often can not satisfy user's demand.So this open source code or the module of SDK is provided is employed seldom in practice.
In addition, no matter be software or hardware, traditional mode (application processing system and wireless communication module), complexity is all higher, and it need to be between main system and wireless communication module synchronously, and the probability of makeing mistakes is all higher.
The utility model content
The utility model will all be incorporated into application processing module and wireless communication module in the wireless communication module, can simplify like this user's design, shortens user's the research and development time, reduces user's holistic cost.
While the utility model also will overcome open source code or the defective of the module of SDK is provided, and to support dynamically to install Uninstaller, support popular development environment, and the user does not need to go the specific SDK of study module again like this.Want to support real multitask, have and enrich powerful UI, in the time of the update system firmware, can not have influence on the application program of having installed.Also powerful arithmetic capability to be arranged, can respond fast user's request.
The technical problems to be solved in the utility model be for the wireless communication module that overcomes prior art adopts embedded real-time operating system, user more can't the dynamic development application program, software, hardware complexity is higher, error probability is large defective, provide a kind of software complexity lower, need not user oneself design firmware, only have a cover system, avoided asynchronous generation problem, support dynamically to install the wireless communication module of unloading application program.
The utility model solves above-mentioned technical matters by following technical proposals:
A kind of wireless communication module, its characteristics are, this wireless communication module is based on Android system, this wireless communication module comprises a baseband chip, a first memory and a second memory, wherein, this first memory is used for storage system firmware, application program and user's data, the dynamic data when this second memory is used for the operation of storage Android system, and this baseband chip also comprises:
One is used for the application processor of operation Android system and this application program;
One for the transmitting-receiving of these data and with the wireless telecommunications processor of this data retransmission to this application processor.
Wherein, this first memory is a FLASH(flash memory), this second memory is a RAM(random access memory).
Preferably, this application processor is by RIL(Radio Interface Layer, radio interface layer) interface and this wireless telecommunications processor realization data interaction.
Wherein, this first memory also is used for storage boot, application processing function and Communication processing program, solidified start-up code in this baseband chip, this start-up code is used for reading this boot so that this boot is moved at this second memory, and this boot is used for this application processing function and this Communication processing program copy are entered this second memory so that this application processor moves this application processing function and this wireless telecommunications processor moves this Communication processing program.
Wherein, this application processing function comprises Android system kernel, Android system framework and file system, and/or, this Communication processing program comprises that (NV is the abbreviation of Nonvolatile for system program and NV data, referring to after the mobile phone outage not can missing data, such as volume, the parameters such as the brightness degree of screen).
Wherein, this second memory also comprises an application processing function district, a wireless telecommunications handling procedure district and a shared memory field, wherein,
This application processing function district is used for this Android system of operation and this application program;
This wireless telecommunications handling procedure district is used for this Communication processing program of operation;
This shared drive district is used for preserving the shared data of mutual communication between this application processing function and this Communication processing program.
Preferably, this wireless communication module comprises a RF(radio frequency) transceiver, this baseband chip comprises that one is used for the RF controller of this RF transceiver of control digital signal converted to wireless communication signal and to send and the wireless communication signal that receives is converted to digital signal.
Preferably, this baseband chip comprises one for the multimedia coding-decoder that multi-medium data is encoded or decoded.
Preferably, this wireless communication module comprises audio interface, and this baseband chip comprises that one is used for the Audio Controller of the input and output of control audio frequency.
Preferably, this wireless communication module comprises a display interface device, and this baseband chip comprises that one is used for view data is sent to by this display interface device the display controller of a display.
Preferably, this wireless communication module comprises with one or more of lower interface: SPI(Serial Peripheral Interface, Serial Peripheral Interface (SPI)) interface, I
2C(Inter-Integrated Circuit) bus is the twin wire universal serial bus by the exploitation of PHILIPS company, be used for to connect microcontroller and peripherals thereof) interface, keyboard interface, mouse interface, UART(Universal AsynchronousReceiver/Transmitter, the Universal Asynchronous Receiver ﹠ dispensing device) interface, USB(Universal Serial BUS, USB (universal serial bus)) interface, this baseband chip comprises one or more of following controller: SPI controller, I
2C controller, keyboard controller, mouse controller, UART controller, USB controller.
On the basis that meets this area general knowledge, above-mentioned each optimum condition, but combination in any namely get each preferred embodiments of the utility model.
Positive progressive effect of the present utility model is: the utility model forwards the work of application processing system above the communication module to and does, this mode can be referred to as the mode of single-chip, goes operation above the chip because it is integrated into one to application processing system and communication module.Adopt the benefit of single-chip mode to be:
1, product design more fast, simply.
Because wireless communication module has had the function of intelligence computation, so the user does not need to go to design the hardware of application processing module again.Directly do exploitation at communication module.Time and the R﹠D costs of design application processing system hardware have been saved.Because carried firmware above the communication module, so the user does not need oneself to remove to design firmware yet, greatly reduce the complexity of software.
2, product is more stable
No matter be software or hardware, traditional mode (application processing system+wireless communication module), complexity is all higher, and it need to be between main system and wireless communication module synchronously, and the probability of makeing mistakes is all higher.And with the mode of single-chip, can reduce and make mistakes, increase the stability of product.
3, holistic cost is lower
Traditional mode comprises two cover systems: application processing system module and wireless communication module, and the single-chip mode only needs a cover system, so holistic cost is lower.
4, volume is less
Because traditional approach comprises two cover systems, so design can be larger for integral product, and the single-chip mode, can be product design less.
5, the utility model adopts the operating system of intelligence, can support dynamically to install Uninstaller.Traditional approach needs simultaneously delivery system firmware in issuing application software, upgrade to firmware.And in the process of firmware updating, might cause losing of user data, perhaps system can't start.And the independent release application program of the utility model no longer needs to upgrade firmware, can overcome these shortcomings.
6, the utility model can be supported real multitask, and running background.
7, powerful UI is enriched in the utility model support, allows the user can design easily the program of beautiful interface.
8, system firmware of the present utility model and application software are separated, so in the update system firmware, do not need to upgrade simultaneously application program.And traditional mode must be upgraded application program simultaneously when upgrading firmware.
Description of drawings
Fig. 1 is the structural representation of the wireless communication module of dual chip in the prior art.
Fig. 2 is the structural representation of the described wireless communication module of the utility model one embodiment.
Fig. 3 is the structural representation of the described baseband chip of the utility model one embodiment.
Embodiment
Mode below by embodiment further specifies the utility model, but therefore the utility model is not limited among the described scope of embodiments.
The Android system is a kind of operating system of opening, and it can install the unloading application program dynamically, and usage comparison is extensive on smart mobile phone.Similar with traditional wireless telecommunications scheme, also can be divided into application processing module and two parts of wireless communication module based on the mobile phone of Android.If application processor and wireless telecommunications processor can be accomplished a chip the inside, because design is simpler like this, cost is lower, and performance is more stable, and volume is less.
The wireless communication module based on the Android system of the utility model exploitation just tries hard to adopt the chip of so integrated application processor and wireless telecommunications processor to design.Wherein, the performance of application processor is higher, and minimum dominant frequency 400M HZ the highlyest can reach 1.5G HZ, the data processor that the above can run user.The performance of wireless telecommunications processor is lower, and the above can move the wireless telecommunications program.Can all be integrated on the wireless communication module just application processing function and wireless telecommunications program like this, the user need not other designing user data processing module, as long as add power supply, LCD(liquid crystal display to module again), button can consist of a system.
Referring to figs. 2 and 3, introduce the described wireless communication module of the utility model one embodiment, this wireless communication module is based on Android system, this wireless communication module comprises a baseband chip 1, a first memory and a second memory, wherein, this first memory is used for storage system firmware, application program and user's data, dynamic data when this second memory is used for the operation of storage Android system, this first memory is a FLASH 2, this second memory is a RAM 3, and this baseband chip 1 also comprises:
One application processor 11 is used for operation Android system and this application program;
One wireless telecommunications processor 12, be used for the transmitting-receiving of these data and with this data retransmission to this application processor 11.
Specifically, this application processor 11 is realized data interaction by RIL interface and this wireless telecommunications processor 12.
More particularly, this first memory also is used for storage boot, application processing function and Communication processing program, solidified start-up code in this baseband chip 1, this start-up code is used for reading this boot so that this boot is moved at this second memory, and this boot is used for this application processing function and this Communication processing program copy enters this second memory so that these application processor 11 these application processing functions of operation and this wireless telecommunications processor 12 these Communication processing programs of operation.
In the present embodiment, this application processing function comprises Android system kernel, Android system framework and file system, and this Communication processing program comprises system program and NV data.
Wherein, this second memory also comprises an application processing function district, a wireless telecommunications handling procedure district and a shared memory field, wherein,
This application processing function district is used for this Android system of operation and this application program;
This wireless telecommunications handling procedure district is used for this Communication processing program of operation;
This shared drive district is used for preserving the shared data of mutual communication between this application processing function and this Communication processing program.
Still referring to figs. 2 and 3, this wireless communication module comprises a RF transceiver 4, this baseband chip 1 comprises a RF controller 13, is used for this RF transceiver 4 of control digital signal converted to wireless communication signal and transmission and to convert the wireless communication signal that receives to digital signal.
And this baseband chip 1 comprises a multimedia coding-decoder, is used for multi-medium data is encoded or decoded.
This wireless communication module comprises audio interface 5, and this baseband chip comprises an Audio Controller, is used for the input and output of control audio frequency.
Wherein, this wireless communication module comprises a display interface device 6, and this baseband chip comprises display controller, is used for view data is sent to this display by this display interface device.
In the present embodiment, this wireless communication module comprises with lower interface: S PI interface 7, I
2C interface 8, keyboard interface 9, mouse interface 10, UART interface 11, USB interface, this baseband chip comprises following controller: SPI controller, I
2C controller, keyboard controller, mouse controller, UART controller, USB controller.In Fig. 2 and Fig. 3, in order to meet those skilled in the art's description custom, represented various interface and controller with English, in Fig. 2, represent audio interface 5 with AUDIO, LCD represents that display interface device 6, SPI represent SPI interface 7, I
2C represents I
2C interface 8, KEYBOARD represent that keyboard interface 9, MOUSE represent that mouse interface 10 and UART represent UART interface 11; In Fig. 3, represent Audio Controller with AUDIO, LCD represents that display controller, SPI represent SPI controller, I
2C represents I
2C controller, KEYBOARD represent that keyboard controller, MOUSE represent that mouse controller and UART represent the UART controller.
Below, continue referring to figs. 2 and 3, in conjunction with concrete use scenes and situation, the effect of each technical characterictic in the technical solution of the utility model is described again.
Application processor: the application program of operation Android system and User Exploitation.The Android system is mutual by RIL interface and wireless telecommunications processor, when needs are made a phone call, are sent note or send data, Android can send being connected and communicating by letter between AT instruction (the AT instruction generally is applied to terminal device and the PC(personal computer) application to the wireless telecommunications processor by the RIL interface), the wireless telecommunications processor just begins to call, send note or sends data after receiving this AT instruction.
The wireless telecommunications processor: the operation wireless transceiver system, it can be crossed radio-frequency (RF) transceiver with information exchanges such as phone, note and data and send.Also the signal of the phone that receives from radio-frequency (RF) transceiver, note, data can be transmitted to application processor.
Lcd controller: it is that (dma controller is a kind of unique peripheral hardware at the internal system transferring data to a dma controller, it can be considered as a kind ofly can inside and outside storer and each being had the controller that the peripheral hardware of DMA ability couples together by one group of private bus.Why it belongs to peripheral hardware, is because it is to carry out transmission under the programming Control of processor.It should be noted that and usually only have data traffic large (kBps(transmits the information of what kilobits p.s.) or higher) peripheral hardware just need to support the DMA ability), responsible view data is sent to LCD display.Because the speed of LCD is lower, and the speed of CPU is higher, if CPU directly sends to view data LCD, can cause the waste of CPU time.Because the speed of lcd controller is very fast, so CPU sends to lcd controller with view data, lcd controller sends the data to LCD again, can save CPU time.Lcd controller can be supported 8,16, the LCD of MIPI interface (mobile industry processor interface, Mobile Industry Processor Interface).
Multimedia coding-decoder: its inside has that sound is looked, Video Codec, when playing or when recording audio and video, multimedia coding-decoder is decoded or encoded media data.
The RF controller: it is used for controlling radio-frequency (RF) transceiver, in order to convert wired digital signal to wireless communication signal, and sends.Perhaps convert the wireless communication signal that receives to wired digital signal.
MEMORY controller (Memory Controller): MEMORY can be divided into the parts such as RAM, FLASH, SD card.Hard disk on the suitable computer of FLASH, it is used for storage system firmware, user program and data.Dynamic data when RAM is used for the saved system operation.SD card (safe digital card) interface (representing with SD among Fig. 2) can connect T-Flash card (mini SD card), can store user's file, perhaps application program.
The AUDIO controller: the audio frequency IO interface, can control audio frequency input, output, amplification etc.Support earphone, receiver, hands-free three passages.
I2C controller, SPI controller, KEBORAD controller, MOUSE controller, UART controller: similar with lcd controller, they all are dma controllers, be responsible for the data of CPU are sent to external unit, perhaps will send to CPU from the data that external unit receives, use sort controller, can save CPU time.
In order to make wireless communication module need to support the interfaces such as LCD, SPI, I2C, keyboard, mouse, audio frequency, serial ports, the corresponding interface of the controllers such as LCD, SPI inside the baseband chip, I2C, keyboard, mouse, audio frequency, serial ports need to be connected to corresponding interface.
The software of wireless communication module is divided into boot, application processing function and three parts of Communication processing program, one section start-up code has been solidified in the baseband chip the inside in addition, it is responsible for the boot among the FLASH read out and is put among the RAM, then moves boot.Boot with application processing function and Communication processing program, copies among the RAM from FLASH again.Afterwards, application processing function and Communication processing program are just moved at application processor with above the Communication processor respectively.
Because the software of wireless communication module is divided into three parts, so also want Flash to be divided into Three regions: boot district, application processing function district, wireless telecommunications handling procedure district.Wherein, application processing function can be divided into again kernel, Framework and three parts of file system.
The kernel of Android system is (SuSE) Linux OS, and Linux is a kind of powerful operating system, and it provides the functions such as memory management, file management, management of process.Support application program and driver are dynamically installed unloading.We need to write the driver of the controllers such as LCD, SPI, I2C, keyboard, mouse, audio frequency, serial ports in operating system, to support these general-purpose interfaces.
Android Framework is a kind of application framework, and its bottom is to write with C++, and the upper strata is to write with JAVA.It encapsulates multimedia gallery, phone, note, network, USB, SD etc. with JAVA, and supports powerful UI storehouse, allows user's programming become very simple.
File system is used for saved system file and user file.
The Communication processing program can be divided into system program and two parts of NV data.
System program is exactly the master routine part of wireless communication module, and the NV data division is used for some parameters of saved system.
Same RAM also will be divided into three subregions: application processing function district, wireless telecommunications handling procedure district, shared drive district.
Application processing function district: the application program that is used for moving Android system and User Exploitation.
Wireless telecommunications handling procedure district: be used for moving the wireless telecommunications program.
The shared drive district: application processing function and wireless telecommunications handling procedure are to need mutual communication, and the shared drive zone is used for preserving the shared data between them.After receiving a note such as the wireless telecommunications handling procedure, its can store short message content in the shared drive into, then notifies application processing function to receive new note.After application processing function is notified, can arrives in the shared drive note is read out, and it is saved in the inbox, then notify the user to have new note to arrive.
Because what adopt is the Android system, the support of Android system is dynamic installs and unloading APK program (abbreviation of AndroidPackage, i.e. Android installation kit), and the user can download the mobile phone the inside to the apk program of own exploitation by USB, and installation.
Because the Android system provides transmitting-receiving note, multimedia message, receive calls, receive and dispatch GPRS the api interface of 3G data, so the user is as long as these API that directly call Android and provide just can realize receiving and dispatching note, multimedia message, receive calls, the function of transceiving data no longer needs to send the AT order.Simpler like this, and be not easy to make mistakes.
The multimedia gallery that the Android system integration is powerful is as long as the user calls the API(Application Programming Interface that Android provides, application programming interface), can realize the broadcast of media and record.
The Android system is integrated Camera(camera) media library and relevant application program, as long as the user is the driving of the camera of exploitation oneself, can realize taking pictures, recording function.If use traditional module, user need to realize a large amount of codes.Adopt the Android system, greatly simplified user's design.
Android system the inside is integrated SQLite database (SQLite, it is a light-duty database, its design object is Embedded, and in a lot of embedded products, used it at present, it takies very low of resource, in embedded device, may only need the internal memory of hundreds of K just much of that), the user just needn't oneself build Database Systems like this.
Android system the inside is integrated display subsystem, the user is as long as be connected to LCD above the LCD interface, and the driver of this LCD is installed, and just can realize the demonstration of LCD.
Android system the inside is integrated USB, I
2C, SPI subsystem, the user can develop USB, the I of oneself very easily
2C, SPI equipment.
Android supports SD card, keyboard, power management, and this part software, hardware are all supported.The user does not need to make any modification, as long as direct SD card, keyboard, battery and charger are connected on the module, can use these functions of module.
The deficiency such as long for the product design cycle that solves traditional wireless telecommunication system, that product design is complicated, error rate is high, holistic cost is high, volume is large, the utility model proposes the solution of single-chip, designed a kind of transmitting-receiving that both can realize wireless data, wireless communication module that again can runs user applications.This wireless module adopts the Android system, and has following functions:
1. can install and move the Android application program of apk form.The user goes operation above can developing and being put between oneself the application program.
2. can receive and dispatch note, multimedia message.And relevant api interface is provided, the user can realize note, multimedia message transmitting-receiving as long as directly call API, no longer need to send the AT order as traditional approach.So more direct simpler and more stable.
3. answer and call, and relevant api interface is provided.
4. can support GPRS and 3G data transmission, and relevant api interface is provided, compare tradition and order the mode of transceiving data by AT, simpler, more stable.
5. support multimedia gallery, the user only need to call simple api function and can realize the broadcast of media and record.
6. support the SQLite database.
7. communication module is supported standard LCD interface, and the user only need to connect the LCD of same-interface, and the driver of exploitation oneself, can use.Do not need oneself to go to design hardware.
8. support the CAMERA interface of standard.The user only need to connect the CAMERA of same-interface, and the driver of exploitation oneself, can use.Do not need oneself to go to design hardware.
9. support universal serial port, and corresponding API Access interface is provided.
10. support USB interface, and corresponding API Access interface is provided.
11. support the SD card interface, and corresponding API Access interface be provided.
12. support the audio frequency IO interface.
13. support I
2C, the general-purpose interfaces such as SPI, and corresponding API Access interface is provided, and the user can develop the I2C of oneself, and the equipment such as SPI are connected to and go above the module to use.
14. support keyboard interface.
15. support power management.
16. support the dynamic installation of driver.The user can develop the hardware of oneself like this, and corresponding driver is installed to above the module, this hardware can be connected to go above the wireless module to use.And do not spend the upgrading module firmware.
The wireless communication module of this scheme similarly is host computer, and the user no longer needs to design the hardware of oneself, only needs to select LCD, and keyboard can form a wireless system.Then go to develop some application programs in the above according to the demand of oneself, greatly simplified user's design, reduced simultaneously user's cost.
Compare existing wireless communication module, existing module the inside all only has a wireless telecommunications processor.And the utility model is integrated into application processor and wireless telecommunications processor in the wireless communication module, has both simplified user's product design, can not reduce again the performance of product.In addition, existing wireless communication module all is the real time operating system that adopts sealing, and the utility model has adopted the Android intelligent operating system of exploitation formula, has many good qualities than other non intelligent operating system.
Although more than described embodiment of the present utility model, it will be understood by those of skill in the art that these only illustrate, protection domain of the present utility model is limited by appended claims.Those skilled in the art can make various changes or modifications to these embodiments under the prerequisite that does not deviate from principle of the present utility model and essence, but these changes and modification all fall into protection domain of the present utility model.
Claims (7)
1. wireless communication module, it is characterized in that, this wireless communication module is based on Android system, this wireless communication module comprises a baseband chip, a first memory and a second memory, wherein, this first memory is used for storage system firmware, application program and user's data, the dynamic data when this second memory is used for the operation of storage Android system, and this baseband chip also comprises:
One is used for the application processor of operation Android system and this application program;
One for the transmitting-receiving of these data and with the wireless telecommunications processor of this data retransmission to this application processor.
2. wireless communication module as claimed in claim 1 is characterized in that, this application processor is realized data interaction by RIL interface and this wireless telecommunications processor.
3. wireless communication module as claimed in claim 1 or 2, it is characterized in that, this wireless communication module comprises a RF transceiver, this baseband chip comprises a RF controller, is used for this RF transceiver of control digital signal converted to wireless communication signal and transmission and to convert the wireless communication signal that receives to digital signal.
4. wireless communication module as claimed in claim 1 or 2 is characterized in that, this baseband chip comprises one for the multimedia coding-decoder that multi-medium data is encoded or decoded.
5. wireless communication module as claimed in claim 1 or 2 is characterized in that, this wireless communication module comprises audio interface, and this baseband chip comprises that one is used for the Audio Controller of the input and output of control audio frequency.
6. wireless communication module as claimed in claim 1 or 2 is characterized in that, this wireless communication module comprises a display interface device, and this baseband chip comprises that one is used for view data is sent to a display display controller by this display interface device.
7. wireless communication module as claimed in claim 1 or 2 is characterized in that, this wireless communication module comprises with one or more of lower interface: SPI interface, I
2C interface, keyboard interface, mouse interface, UART interface, USB interface, this baseband chip comprises one or more of following controller: SPI controller, I
2C controller, keyboard controller, mouse controller, UART controller, USB controller.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102932022A (en) * | 2012-09-29 | 2013-02-13 | 上海移远通信技术有限公司 | Wireless communication module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102932022A (en) * | 2012-09-29 | 2013-02-13 | 上海移远通信技术有限公司 | Wireless communication module |
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