CN101217735A - A mobile telephone based on application processor structure - Google Patents

A mobile telephone based on application processor structure Download PDF

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Publication number
CN101217735A
CN101217735A CNA2008100324325A CN200810032432A CN101217735A CN 101217735 A CN101217735 A CN 101217735A CN A2008100324325 A CNA2008100324325 A CN A2008100324325A CN 200810032432 A CN200810032432 A CN 200810032432A CN 101217735 A CN101217735 A CN 101217735A
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CN
China
Prior art keywords
application
processor
mobile phone
application processor
baseband processor
Prior art date
Application number
CNA2008100324325A
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Chinese (zh)
Inventor
朱华伟
Original Assignee
嘉兴闻泰通讯科技有限公司
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by 嘉兴闻泰通讯科技有限公司 filed Critical 嘉兴闻泰通讯科技有限公司
Priority to CNA2008100324325A priority Critical patent/CN101217735A/en
Publication of CN101217735A publication Critical patent/CN101217735A/en

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Abstract

The invention provides a mobile phone which is based on a processor structure application. The invention is mainly characterized in that the invention implements the functions which are completely the same with those of the mobile phone in which the processor structure is applied, achieves the starting skillfully by adopting the external starting mode of the baseband processor of the mobile phone through a baseband processor which is controlled by the application processor, thus abolishing the FLASH which is externally connected with the original baseband processor and used for storing programs and other data. Therefore, the invention remains the flexibility and succession of the software of the mobile phone in which the processor structure is applied, reduces the cost of the whole machine at the same time, and has important and practical significance.

Description

A kind of mobile phone based on application processor structure

Technical field

The present invention relates to the processor framework of the communication terminal of field of mobile communication, particularly a kind of mobile phone based on application processor structure.

Background technology

At present, mobile phone has obtained using widely.In high-end mobile phone, because application is more, and various application is more and more higher to the requirement of the CPU of mobile phone, and a lot of mobile phones have adopted the framework based on application processor, as shown in Figure 1.In this framework, comprised communication module and application module, wherein: baseband processor that comprises again in the communication module and radio frequency part, this baseband processor connects RAM and FLASH respectively, and this radio frequency part then connects antenna.This communication module mainly is responsible for work such as mutual, the protocol processes of mobile phone and base station, and communicates by serial ports (as UART or USB) and application module.This application module then is to be core with the application processor, and this application processor also is connected with RAM, FLASH, display screen, keyboard, the first-class parts of shooting respectively, and this application processor is connected with baseband processor by serial ports.This application processor utilizes its powerful disposal ability to move various application programs, as make a phone call, multimedia, Streaming Media, data service or the like.The mobile phone benefit of this framework is that application program after exploitation on the application processor is finished, can more easily be transplanted to another mobile phone, even by changing different mobile communication modules, becomes the mobile phone of a different systems.

Though above-mentioned this framework has all benefits, because the memory cost relation limits the application of present this framework mobile phone.Therefore, present most middle and high ends mobile phone adopts the mobile phone based on the multimedia processor framework as shown in Figure 2.As shown in the figure: it is compared based on the mobile phone of application processor structure with existing, uses the multimedia processor of embedded RAM to substitute application processor, and has saved FLASH and the RAM in the application module, so occupy bigger advantage on the cost.But, but similar substantially in the structure of communication module part.

Summary of the invention

The object of the present invention is to provide a kind of mobile phone based on application processor structure, mainly solve and have now based on application processor structure because the memory cost relation, limit the technical problem of the application of this framework mobile phone, make the cost of its cost and main flow multimedia handset approaching, and remain on and have very big flexibility and inheritance on the software.

For addressing the above problem, the present invention is achieved in that

A kind of mobile phone based on application processor structure, it has comprised communication module and application module, wherein: the baseband processor that comprises in the communication module, radio frequency part and antenna, this application module comprises application processor, FLASH and RAM, it is characterized in that: this baseband processor connects RAM, and this application processor is connected with baseband processor by serial ports; This baseband processor is supported outside start-up mode, during handset starting, application processor is at first controlled baseband processor and is entered outside start-up mode, to initialize routine of baseband processor transmission, this initialize routine is stored among the FLASH of application module in advance, by a high-speed interface the former program that should move in communication module FLASH is copied to the RAM of communication module together with the FLASH from application module such as calibration parameter after the initialization, duplicate finish after, bring into operation from the program entry of communication module RAM.

Described mobile phone based on application processor structure is characterized in that: the application processor in this application module connects RAM, FLASH, display screen, keyboard, camera respectively.

Described mobile phone based on application processor structure is characterized in that: described serial ports is UART or USB.

Described mobile phone based on application processor structure is characterized in that: described high-speed interface is SPI, USB, High Speed UART or parallel port.

By technique scheme, the invention has the beneficial effects as follows:

The present invention is a kind of mobile phone based on application processor structure, its main feature is, when realizing the identical function of application processor structure mobile phone, utilize the outside start-up mode of mobile phone baseband processor dexterously, start by application processor control baseband processor, and saved the external FLASH that is used for stored program and other data of original baseband processor needs.Thereby in the cell phone software flexibility and the adoptive while that keep application processor structure, reduced the complete machine cost, had important practical significance.

Description of drawings

Fig. 1 is the present handset structure based on application processor structure;

Fig. 2 is present common multimedia handset framework;

Fig. 3 is a handset structure of the present invention.

Embodiment

The invention provides a kind of mobile phone based on application processor structure, the principle of its design mainly is: present mobile phone baseband processor all can be supported a kind of outside start-up mode, perhaps is called the pattern of UARTBOOT or USB BOOT.This pattern is to use when not having program or program destroyed in the FLASH of base band.Common way is, in this pattern, baseband processor can be carried out a specific internal processes, we may be by base band UART or interface such as USB one section program of finishing writing is in advance downloaded among the RAM, jump to the program that operation was downloaded just now among the RAM again, this section program has been carried out a specific communication protocol, downloads data among the FLASH by UART or USB.

See also Fig. 3, it is a structural representation of the present invention.As shown in the figure: it has comprised communication module and application module, and wherein: the baseband processor that comprises in the communication module, radio frequency part and antenna, this application module comprises application processor, FLASH and RAM.Application processor in the application module connects RAM, FLASH, display screen, keyboard, camera respectively.This baseband processor only connects RAM (not having FLASH), and this application processor is connected with baseband processor by serial ports (as: UART or USB); This baseband processor is supported outside start-up mode, during handset starting, application processor transmits specific signal by the holding wire that specific mode links to each other with baseband processor to baseband processor, the control baseband processor enters outside start-up mode, to initialize routine of baseband processor transmission, this initialize routine is stored among the FLASH of application module in advance, pass through a high-speed interface (as: SPI after the initialization, USB, High Speed UART or parallel port) the former program that should move in communication module FLASH is copied to the RAM of communication module together with the FLASH from application module such as calibration parameter, because the read-write of RAM is very fast, reproduction speed is only determined by transmission speed; Duplicate finish after, bring into operation from the program entry of communication module RAM.The follow-up situation that just operates on the function when having communication module FLASH is just the same, on the speed even can be faster than program running at FLASH.

That adopt among the present invention is grace intelligence Pu semi-conductive GSM/GPRS/EDGE mobile phone baseband processor P NX5209, and RAM is the low-power consumption SDRAM of general 2M byte.Application processor is the AK3224 of An Kai company, is connected with baseband processor with several other control signals by UART, SPI.That radio frequency part adopts is the radio-frequency power amplifier RF3159 of transceiver SI4220 of Siliconlabs company and RFMD company, and antenna then is common built-in antenna of mobile phone.

The initialization operation program step of mobile phone of the present invention when starting is as follows:

A: during system start-up, application processor is initialization at first, and the mobile phone baseband processor is resetted, and makes it enter the pattern of UART BOOT by control signal.

B: boot is transferred among the RAM of mobile phone baseband processor by UART, jumps to the boot operation among the RAM again, 1 second consuming time approximately of this step.

C: after the baseband processor operation boot, initialization spi bus at first, and be ready to the transmission of reception program by control signal notice application processor baseband portion.

The D:SPI bus is used the speed of 12Mbps, and baseband processor is enabled the DMA pattern, and the data that receive on the spi bus directly are transferred among the RAM.Owing to added the expense of some check digit, about 2 seconds consuming time approximately of the program of transmission 2M byte.After transmission was finished, the mobile phone baseband processor program jumped to program entry and brings into operation.

E: the baseband processor program of application processor and mobile phone all jumps to each independent procedure respectively and brings into operation.

F: mobile phone shut down once more and power down before, the program among the baseband processor mobile phone RAM can not lost, operation after this just and the operation of the mobile phone of common application processor structure and use just the same.

Being preferred embodiment of the present invention only in sum, is not to be used for limiting practical range of the present invention.Be that all equivalences of doing according to the content of the present patent application claim change and modification, all should be technology category of the present invention.

Claims (4)

1. mobile phone based on application processor structure, it has comprised communication module and application module, wherein: the baseband processor that comprises in the communication module, radio frequency part and antenna, this application module comprises application processor, FLASH and RAM, it is characterized in that: this baseband processor connects RAM, and this application processor is connected with baseband processor by serial ports; This baseband processor is supported outside start-up mode, during handset starting, application processor is at first controlled baseband processor and is entered outside start-up mode, to initialize routine of baseband processor transmission, this initialize routine is stored among the FLASH of application module in advance, by a high-speed interface the former program that should move in communication module FLASH is copied to the RAM of communication module together with the FLASH from application module such as calibration parameter after the initialization, duplicate finish after, bring into operation from the program entry of communication module RAM.
2. the mobile phone based on application processor structure according to claim 1 is characterized in that: the application processor in this application module connects RAM, FLASH, display screen, keyboard, camera respectively.
3. the mobile phone based on application processor structure according to claim 1 and 2 is characterized in that: described serial ports is UART or USB.
4. the mobile phone based on application processor structure according to claim 1 and 2 is characterized in that: described high-speed interface is SPI, USB, High Speed UART or parallel port.
CNA2008100324325A 2008-01-09 2008-01-09 A mobile telephone based on application processor structure CN101217735A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101662526A (en) * 2008-08-29 2010-03-03 上海晨兴希姆通电子科技有限公司 Mobile phone
CN101997956A (en) * 2009-08-17 2011-03-30 联想(北京)有限公司 Method for switching work mode of mobile terminal and mobile terminal
CN102520999A (en) * 2011-12-14 2012-06-27 康佳集团股份有限公司 Method for omitting external chip FLASH
CN103577279A (en) * 2012-07-30 2014-02-12 联想(北京)有限公司 Method for recovering data parameters of communication module and electronic equipment
CN104253623A (en) * 2013-06-26 2014-12-31 联芯科技有限公司 Mobile communication radio-frequency module product and providing method thereof
CN104955132A (en) * 2014-03-26 2015-09-30 中国移动通信集团公司 Terminal equipment and starting method for the same

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101662526A (en) * 2008-08-29 2010-03-03 上海晨兴希姆通电子科技有限公司 Mobile phone
CN101997956A (en) * 2009-08-17 2011-03-30 联想(北京)有限公司 Method for switching work mode of mobile terminal and mobile terminal
CN102520999A (en) * 2011-12-14 2012-06-27 康佳集团股份有限公司 Method for omitting external chip FLASH
CN103577279A (en) * 2012-07-30 2014-02-12 联想(北京)有限公司 Method for recovering data parameters of communication module and electronic equipment
CN103577279B (en) * 2012-07-30 2016-08-17 联想(北京)有限公司 The data parameters restoration methods of a kind of communication module and electronic equipment
CN104253623A (en) * 2013-06-26 2014-12-31 联芯科技有限公司 Mobile communication radio-frequency module product and providing method thereof
CN104253623B (en) * 2013-06-26 2018-03-27 联芯科技有限公司 Mobile communication radio-frequency module product and its offer method
CN104955132A (en) * 2014-03-26 2015-09-30 中国移动通信集团公司 Terminal equipment and starting method for the same

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