CN105743538A - Two-channel mobile terminal and radio-frequency calibration system - Google Patents
Two-channel mobile terminal and radio-frequency calibration system Download PDFInfo
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- CN105743538A CN105743538A CN201610064125.XA CN201610064125A CN105743538A CN 105743538 A CN105743538 A CN 105743538A CN 201610064125 A CN201610064125 A CN 201610064125A CN 105743538 A CN105743538 A CN 105743538A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/10—Monitoring; Testing of transmitters
- H04B17/11—Monitoring; Testing of transmitters for calibration
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/21—Monitoring; Testing of receivers for calibration; for correcting measurements
Abstract
The invention discloses a two-channel mobile terminal, which comprises a first processor and a first radio frequency circuit, a second processor and a second radio frequency circuit, a USB socket and a USB port multiplexing device; a USB communication channel between the first radio frequency circuit and a peripheral device connected to the USB socket is established via the USB port multiplexing device; and a USB communication channel between the first processor and the second radio frequency circuit is established via the USB port multiplexing device. The invention further provides a radio-frequency calibration system of the two-channel mobile terminal. According to the two-channel mobile terminal and the radio-frequency calibration system disclosed by the invention, multiple USB communication channels can be established via one USB port on the mobile terminal; and thus, the multiplexing of the USB port of the two-channel mobile terminal and the flexible switching of the USB communication channels are realized; and while the utilization rate of the USB port is improved, the calibration operating process of the two-channel mobile terminal is simplified.
Description
Technical field
The present invention relates to communication technical field, particularly relate to dual pathways mobile terminal and RF calibration system.
Background technology
Existing dual pathways mobile terminal generally has two set radio circuits, and in existing RF calibration mode, generally wherein a set of radio circuit is first restarted reset by employing again after being calibrated；Then the mode restarting reset after more another set of radio circuit being calibrated again carries out RF calibration operation, namely calibration process needs perform twice at respectively and restart reset operation, thus operate comparatively laborious, calibration efficiency is not high, its key issue is in that: in RF calibration process, prior art can not be under the premise of open state at mobile terminal and complete the RF calibrations to two set radio circuits, namely prior art is not carried out RF calibration equipment (such as radio frequency comprehensive test instrument CMU200) respectively and the flexible switching of communication port between two set radio circuits.
Therefore, in order to realize RF calibration equipment, respectively and between two set radio circuits, the switching flexibly of communication port is to carry out RF calibration, and the present invention proposes a kind of dual pathways mobile terminal and RF calibration system.
Foregoing is only used for assisting understanding technical scheme, does not represent and admits that foregoing is prior art.
Summary of the invention
In order to solve above-mentioned technical problem, the present invention proposes a kind of dual pathways mobile terminal and RF calibration system, it is intended to solve how to realize RF calibration equipment technical problem of the switching flexibly of communication port respectively and between two set radio circuits.
For achieving the above object, the present invention provides a kind of dual pathways mobile terminal, and described dual pathways mobile terminal includes the first processor for carrying out first passage Business Processing and the first radio circuit, for carrying out the second processor of second channel Business Processing and the second radio circuit, for managing the power management chip of described mobile terminal power supply and for connecting the USB socket of external equipment；Described first processor is connected with described first radio circuit, and described second processor is connected with described second radio circuit；Described first processor is primary processor, and described second processor is from processor, and described first processor, described second processor and described USB socket are respectively arranged with differential signal wire pin；Described mobile terminal also includes USB port multiplexer；
Described USB port multiplexer, for when receiving the first connection instruction that described first processor sends, connect the differential signal wire pin of described first processor and the differential signal wire pin of described USB socket, for the usb communication passage set up between described first radio circuit with the external equipment being connected in described USB socket；And when receiving the second connection instruction that described first processor sends, connect the differential signal wire pin of described first processor and the differential signal wire pin of described second processor, for the usb communication passage set up between described first processor and described second radio circuit.
Optionally, described USB port multiplexer includes detection signal output module, switch chip；Described detection signal output module is connected with described first processor, described second processor respectively；The differential signal wire pin of multiple switch terminals of described switch chip corresponding and described first processor respectively, described second processor and described USB socket is connected；
It is that USB is from equipment and before carrying out usb communication when described first processor is USB main equipment, described second processor, described first processor exports the first control signal to described switch chip, to control the differential signal wire pin of the described switch chip described first processor of connection and described second processor；
Described first processor exports the second control signal to control described detection signal output module to described second processor output detections signal to described detection signal output module, produces differential signal the differential signal wire pin by the connection output of described switch chip to described first processor triggering described second processor on self differential signal wire pin；
When described first processor detects described differential signal at self differential signal wire pin, initiate enumeration process to described second processor, be connected to set up the usb communication passage between described first processor and described second radio circuit for setting up USB with described second processor.
Optionally, described power management chip is connected with described USB socket, is provided with communication port between described power management chip and described first processor；
When described mobile terminal is inserted on external equipment by described USB socket, if described power management chip detects that external equipment exports the feedback signal in described USB socket, then it is charged protocol interaction with this external equipment to determine this external equipment, and sends external equipment access notification message to described first processor.
Optionally, when described first processor, described second processor carry out usb communication and described power management chip detects that the external equipment accessed in described USB socket is computer, described power management chip sends, to described first processor, the notification message that computer accesses；
Described first processor, after receiving described notification message, controls described switch chip and connects the differential signal wire pin of described first processor and described USB socket；And on self differential signal wire pin, load setting voltage, to produce differential signal the differential signal wire pin by the connection output of described switch chip to described USB socket；
Described first processor and computer carry out enumeration process, it is connected to set up the usb communication passage between described first radio circuit with the computer being connected in described USB socket for setting up USB with computer, wherein, when COMPUTER DETECTION to described differential signal, enumeration process is initiated to described first processor, wherein, computer is USB main equipment, and described first processor is USB from equipment.
Optionally, described switch chip is single-pole double-throw switch (SPDT) chip；Described first processor includes application processor and the first modem, and described second processor includes second modem.
Optionally, described first processor also includes the first control line pin, the second control line pin and the 3rd control line pin；Described second processor also includes the first power pins；Described power management chip includes second source pin；Described USB socket also includes the 3rd power pins；
Described single-pole double-throw switch (SPDT) chip includes common switch end, the first switching switch terminals, the second switching switch terminals, described common switch end is connected with the differential signal wire pin of described first processor, described first switching switch terminals is connected with the differential signal wire pin of described second processor, and described second switching switch terminals is connected with the differential signal wire pin of described USB socket；
Described single-pole double-throw switch (SPDT) chip also includes enabling pin, level configuration pin, described first control line pin is connected with described enable pin, described second control line pin is connected with described level configuration pin, described 3rd control line pin is connected with the signal input part of described detection signal output module, described first power pins is connected with the signal output part of described detection signal output module, and described second source pin is connected with described 3rd power pins.
Optionally, described first processor exports signal to enable described single-pole double-throw switch (SPDT) chip by described first control line pin to the described enable pin of described single-pole double-throw switch (SPDT) chip；
Described first processor exports signal by described second control line pin to the described level configuration pin of described single-pole double-throw switch (SPDT) chip and switches switch terminals conducting with the common switch end and the first switching switch terminals or second controlling described single-pole double-throw switch (SPDT) chip；
Described first processor exports signal by described 3rd control line pin to the signal input part of described detection signal output module and turns on or off detection signal output to control described detection signal output module.
Further, for achieving the above object, the present invention also provides for the RF calibration system of a kind of dual pathways mobile terminal, and including RF calibration equipment, described RF calibration system also includes dual pathways mobile terminal described above；
Described RF calibration equipment, for the usb communication passage set up by the USB port multiplexer of described dual pathways mobile terminal, the first radio circuit and the second radio circuit to described dual pathways mobile terminal carry out RF calibration.
Optionally, described RF calibration equipment includes radio frequency comprehensive test instrument and computer, it is connected by gpib bus between described radio frequency comprehensive test instrument and described computer, wherein, described computer is by built-in calibration application, corresponding calibration command and radio frequency parameter is sent respectively, with calibration parameter obtained after carrying out RF calibration and preserving calibration to described radio frequency comprehensive test instrument, described first radio circuit and described second radio circuit；
Wherein, when the first radio circuit of described dual pathways mobile terminal is carried out RF calibration by described RF calibration equipment, the USB socket wired connection of described radio frequency comprehensive test instrument and described first radio circuit wired connection, described computer and described dual pathways mobile terminal；
When the second radio circuit of described dual pathways mobile terminal is carried out RF calibration by described RF calibration equipment, the first processor wireless connections of described radio frequency comprehensive test instrument and described second radio circuit wired connection, described computer and described dual pathways mobile terminal.
Optionally, described RF calibration equipment includes radio frequency comprehensive test instrument, wherein, described dual pathways mobile terminal is by built-in calibration application, corresponding calibration command and radio frequency parameter is sent respectively, with calibration parameter obtained after carrying out RF calibration and preserving calibration to described radio frequency comprehensive test instrument, described first radio circuit and described second radio circuit；
Wherein, when the first radio circuit of described dual pathways mobile terminal is carried out RF calibration by described RF calibration equipment, the first processor wireless connections of described radio frequency comprehensive test instrument and described first radio circuit wired connection and described radio frequency comprehensive test instrument and described dual pathways mobile terminal；
When the second radio circuit of described dual pathways mobile terminal is carried out RF calibration by described RF calibration equipment, the first processor wireless connections of described radio frequency comprehensive test instrument and described second radio circuit wired connection and described radio frequency comprehensive test instrument and described dual pathways mobile terminal.
In the present invention, by USB port multiplexer, first processor and the external equipment being connected in USB socket can be connected, to set up the usb communication passage between the first radio circuit with the external equipment being connected in USB socket；And also can connect first processor and the second processor, to set up the usb communication passage between first processor and the second radio circuit.A plurality of usb communication passage can be set up by a USB port on mobile terminals by the present invention, thus realizing the flexible switching of the multi multiplexing to dual pathways mobile terminal USB port and usb communication passage, while improving USB port utilization rate, also simplify the calibration operation process to dual pathways radio circuit.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the hardware configuration signal realizing each one optional mobile terminal of embodiment of the present invention；
Fig. 2 is the high-level schematic functional block diagram of dual pathways mobile terminal one embodiment of multiplexing USB port of the present invention；
Fig. 3 is the high-level schematic functional block diagram of USB port multiplexer one embodiment in Fig. 2；
Fig. 4 be multiplexing USB port of the present invention dual pathways mobile terminal one embodiment in the connection diagram of each critical piece；
Fig. 5 be multiplexing USB port of the present invention dual pathways mobile terminal one embodiment in the connection diagram of each critical piece and pin thereof；
Fig. 6 is the high-level schematic functional block diagram of the dual pathways another embodiment of mobile terminal of multiplexing USB port of the present invention；
Fig. 7 be multiplexing USB port of the present invention another embodiment of dual pathways mobile terminal in the connection diagram of each critical piece；
Fig. 8 is the high-level schematic functional block diagram of RF calibration system one embodiment of dual pathways mobile terminal of the present invention；
Fig. 9 is the refinement high-level schematic functional block diagram of RF calibration equipment in Fig. 8；
Figure 10 is the connection circuit diagram of the RF calibration system first embodiment of dual pathways mobile terminal of the present invention；
Figure 11 is the connection circuit diagram of RF calibration system second embodiment of dual pathways mobile terminal of the present invention；
Figure 12 is the connection circuit diagram of RF calibration system the 3rd embodiment of dual pathways mobile terminal of the present invention；
Figure 13 is the connection circuit diagram of RF calibration system the 4th embodiment of dual pathways mobile terminal of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, technical scheme is described in detail.
The mobile terminal realizing each embodiment of the present invention is described referring now to accompanying drawing.In follow-up description, use the suffix being used for representing such as " module ", " parts " or " unit " of element only for being conducive to the explanation of the present invention, itself do not have specific meaning.Therefore, " module " and " parts " can mixedly use.
Mobile terminal can be implemented in a variety of manners.Such as, the terminal described in the present invention can include the mobile terminal of such as mobile phone, smart phone, notebook computer, digit broadcasting receiver, PDA (personal digital assistant), PAD (panel computer), PMP (portable media player), guider etc. and the fixed terminal of such as numeral TV, desk computer etc..Hereinafter it is assumed that terminal is mobile terminal.However, it will be understood by those skilled in the art that, except being used in particular for the element of mobile purpose, structure according to the embodiment of the present invention can also apply to the terminal of fixed type.
Fig. 1 is the hardware architecture diagram realizing each one optional mobile terminal of embodiment of the present invention.
Mobile terminal 100 can include user input unit 110, output unit 120, memorizer 130, controller 140 and power subsystem 150 etc..Fig. 1 illustrates the mobile terminal with various assembly, it should be understood that be not required for implementing all assemblies illustrated.Output unit 120 is configured to provide output signal (such as, audio signal, video signal, alarm signal, vibration signal etc.) with vision, audio frequency and/or tactile manner.
Output unit 120 can include display unit 121 etc..Display unit 121 may be displayed on the information processed in mobile terminal 100.Such as, when mobile terminal 100 is in telephone calling model, display unit 121 can show the user interface (UI) relevant with call or other communicate (such as, text messaging, multimedia file download etc.) or graphic user interface (GUI).When being in video calling pattern or image capture mode when mobile terminal 100, display unit 121 can show the image of image and/or the reception caught, UI or GUI illustrating video or image and correlation function etc..
Meanwhile, when display unit 121 and touch pad as a layer superposed on one another to form touch screen time, display unit 121 can serve as input equipment and output device.Display unit 121 can include at least one in liquid crystal display (LCD), thin film transistor (TFT) LCD (TFT-LCD), Organic Light Emitting Diode (OLED) display, flexible display, three-dimensional (3D) display etc..Some in these display may be constructed such that transparence is to allow user to watch from outside, and this is properly termed as transparent display, and typical transparent display can be such as TOLED (transparent organic light emitting diode) display etc..According to the specific embodiment wanted, mobile terminal 100 can include two or more display units (or other display device), such as, mobile terminal can include outernal display unit (not shown) and inner display unit (not shown).Touch screen can be used for detecting touch input pressure and touch input position and touch input area.
Memorizer 130 can store the process performed by controller 140 and the software program controlling operation etc., or can temporarily store the data (such as, telephone directory, message, still image, video etc.) that oneself maybe will export through output.And, memorizer 130 can store the vibration about the various modes exported when touching and being applied to touch screen and the data of audio signal.
Memorizer 130 can include the storage medium of at least one type, storage medium includes flash memory, hard disk, multimedia card, card-type memorizer (such as, SD or DX memorizer etc.), random access storage device (RAM), static random-access memory (SRAM), read only memory (ROM), Electrically Erasable Read Only Memory (EEPROM), programmable read only memory (PROM), magnetic storage, disk, CD etc..And, mobile terminal 100 can be connected the network storage device cooperation of the storage function performing memorizer 130 with by network.
Controller 140 generally controls the overall operation of mobile terminal.Such as, controller 140 performs the control relevant to voice call, data communication, video calling etc. and process.Controller 140 can perform pattern recognition process, so that the handwriting input performed on the touchscreen or picture drafting input are identified as character or image.
Power subsystem 150 receives external power or internal power under the control of the controller 140 and provides the suitable electric power operated needed for each element and assembly.
Various embodiment described herein can to use such as computer software, hardware or its any combination of computer-readable medium to implement.Hardware is implemented, embodiment described herein can pass through to use application-specific IC (ASIC), digital signal processor (DSP), digital signal processing device (DSPD), programmable logic device (PLD), field programmable gate array (FPGA), processor, controller, microcontroller, microprocessor, at least one that is designed to perform in the electronic unit of function described herein to implement, in some cases, such embodiment can be implemented in controller 140.Implementing for software, the embodiment of such as process or function can be implemented with allowing the independent software module performing at least one function or operation.Software code can be implemented by the software application (or program) write with any suitable programming language, and software code can store in memory 130 and be performed by controller 140.
Additionally, mobile terminal 100 farther include application processor 200, primary modem 310 and main RF IC 320, from modem 410 with from RF IC 420.Wherein, primary modem 310 and main RF IC 320 constitute dual pathways mobile terminal and carry out the first passage of Business Processing, from modem 410 with then constitute dual pathways mobile terminal from RF IC 420 and carry out the second channel of Business Processing, wherein, application processor 200 is connected with primary modem 310, to receive the operational order of user's triggering and to obtain the type that operational order is corresponding, then according to the type that operational order is corresponding, operational order correspondence is issued to primary modem 310 and processes.
Based on above-mentioned mobile terminal hardware configuration and communication system, it is proposed to each embodiment of the inventive method.
High-level schematic functional block diagram with reference to dual pathways mobile terminal one embodiment that Fig. 2, Fig. 2 are multiplexing USB port of the present invention.In the present embodiment, dual pathways mobile terminal specifically includes for the first processor 10 carrying out first passage Business Processing and the first radio circuit 101, for carrying out the second processor 20 of second channel Business Processing and the second radio circuit 201, for managing the power management chip 30 of mobile terminal power supply and for being connected the USB socket 40 of external equipment, wherein, first processor 10 is connected with the first radio circuit 101, and the second processor 20 is connected with the second radio circuit 201.
In the present invention, dual pathways mobile terminal can process identical or different 4G data service by first processor the 10, second processor 20 simultaneously, and when processing 4G data service at the same time, then need to carry out the merging treatment of the data that first processor the 10, second processor 20 is each downloaded, further, if needing to carry out the merging treatment of data between first processor the 10, second processor 20, then need connection first processor the 10, second processor 20 to carry out data transmission.In the present embodiment, mobile terminal also includes USB port multiplexer 50, first processor 10 simultaneously, second processor 20 is respectively equipped with differential signal wire pin (namely D+, D-data signal line, differential signal is produced by the change of voltage, the transmission of data can also be carried out in USB port specification) simultaneously, thus, in the present embodiment, the differential signal wire pin of differential signal wire pin and the second processor 20 connecting first processor 10 is passed through especially by USB port multiplexer 50, and then set up first processor 10, usb communication passage between second processor 20, namely set up first processor 10, usb communication passage between second processor 20 and the first radio circuit 101.
In the present embodiment, the setting for first processor 10 and the second processor 20 is not limit, and is generally all divided into primary processor and from processor, specifically illustrates for primary processor with first processor 10 in the present embodiment in existing dual pathways mobile terminal.Wherein, primary processor specifically includes in above-described embodiment application processor 200 and primary modem 310, and from processor specifically include above-described embodiment from modem 410.Need further illustrate be, first processor the 10, second processor 20 can include application processor, modem and electric power management circuit, it is configured that (electric power management circuit is not limited to a chips with specific reference to being actually needed, such as, can being integrated with multiple PMIC circuit on first processor 10, PMIC circuit also can be independently disposed on other chip of mobile terminal simultaneously).
Wherein, application processor 200 can receive the operational order that user triggers, and obtain the type that operational order is corresponding, then according to the type that operational order is corresponding, operational order correspondence is issued to primary modem 310, now, when operational order is network operation instruction (namely carrying out data service), network operation instruction can be sent simultaneously to primary modem 310 with from modem 410, the dual pathways that dual pathways mobile terminal can pass through two modems and provide improves communication efficiency, particularly two modems can when the type of operational order be network operation instruction, primary modem 310 and the transmission completing data from modem 410 each through 4G network.In terms of existing technologies, when primary modem 310 carries out data service by 4G network, still can carry out data service by 4G network from modem 410, without being down to 3G or 2G network, as such, it is possible to significantly improve data transmission efficiency when mobile terminal communicates.
Such as Network as surfed the Net, data transmission processes by primary modem 310 with from modem 410 simultaneously.
When being surfed the Net by the LTE of the first SIM corresponding to primary modem 310, the data flow of data channel is:
Upstream data: user data → application processor → primary modem → main RF IC → carrier network → internet；
Downlink data: internet → carrier network → main RF IC → primary modem → application processor → user data；
Meanwhile, during by surfing the Net from the LTE of the second SIM corresponding to modem 410, the data flow of data channel is:
Upstream data: user data → application processor → from modem → from RF IC → carrier network → internet；
Downlink data: internet → carrier network → from RF IC → from modem → application processor → user data.
In addition, in the present embodiment, in view of general mobile terminal is required for being connected with external equipment by USB socket 40, therefore, for promoting the utilization ratio of mobile terminal USB port and promoting the hardware integration degree in mobile terminal, simultaneously also for realizing RF calibration equipment respectively and the flexible switching of communication port between two set radio circuits, in the present embodiment, first processor 10 can also be realized further by USB port multiplexer 50 to be attached with external equipment, such as carry out data transmission, charge or carry out RF calibration.Therefore, in the present embodiment, USB socket 40 is also equipped with differential signal wire pin, thus, in the present embodiment, pass through the differential signal wire pin of differential signal wire pin and the USB socket 40 connecting first processor 10 especially by USB port multiplexer 50, and then realize the data communication between first processor 10 and external equipment to carry out data transmission, charge or carry out RF calibration.
In the present embodiment, connect instruction for first and do not limit with the second setting connecting instruction, be configured with specific reference to being actually needed.Need it is further noted that the USB port multiplexer 50 in the present embodiment is applied equally to other processor device with high-speed interface (such as USB), such as Dual-core computers etc..In the present embodiment, by USB port multiplexer 50, first processor 10 and the second processor 20 can be connected to set up the usb communication passage between first processor 10 and the second radio circuit 201, and also can connect first processor 10 with USB socket 40 to set up the usb communication passage between the first radio circuit 101 with the external equipment being connected in USB socket 40.The present embodiment can set up a plurality of usb communication passage by a USB port on mobile terminals, thus realizing the flexible switching of the multi multiplexing to dual pathways mobile terminal USB port and usb communication passage, while improving USB port utilization rate, also simplify the calibration operation process to dual pathways radio circuit.
It is the high-level schematic functional block diagram of USB port multiplexer one embodiment in Fig. 2 with reference to Fig. 3, Fig. 3.Based on above-described embodiment, in the present embodiment, USB port multiplexer 50 includes detection signal output module 501, switch chip 502.
Connection diagram as shown in Figure 4.Detection signal output module 501 is connected with first processor the 10, second processor 20 respectively；Multiple switch terminals of switch chip 502 correspondence respectively is connected with the differential signal wire pin of first processor the 10, second processor 20 and USB socket 40.
In the present embodiment, when first processor 10 be USB main equipment, the second processor 20 for USB from equipment time, namely when first processor 10 be USBhost (USB main equipment), the second processor 20 for USBdevice (USB from equipment) time, when needs carry out data merging processor, such as user sends request of data by application processor to first processor 10, to proceed by double-channel data merging treatment, implement process as follows:
(1) first processor 10 exports the first control signal to switch chip 502, connect the differential signal wire pin of first processor 10 and the second processor 20 controlling switch chip 502, thus the data transmission channel of conducting first processor 10 and the second processor 20 physically；
(2) first processor 10 exports the second control signal to control detection signal output module 501 to the second processor 20 output detections signal to detection signal output module 501, produces differential signal and passes through connecting of switch chip 502 and export the differential signal wire pin to first processor 10 triggering the second processor 20 on self differential signal wire pin；
In this step, detection signal output module 501 be chosen as DC-DC circuit module, this circuit module is used for producing voltage, for supply the second processor 20 carry out USB plug/unplug detection.In the present embodiment, detection signal output module 501 both can be arranged at the inside of first processor 10, it is also possible to is arranged at the outside of first processor 20, is configured with specific reference to practical situation.In this step, owing to the physical data transfer passage of first processor 10 and the second processor 20 turns on, therefore, the differential signal that the second processor 20 produces on self differential signal wire pin is also by output to the differential signal wire pin of first processor 10.Additionally, first processor 10 can also determine whether the device type of USBdevice currently to be connected by the differential signal received, it is such as low speed transmissions equipment, full speed transfer equipment, high-speed transmission equipment etc..
(3) when first processor 10 detects differential signal at self differential signal wire pin, initiate enumeration process to the second processor 20, be connected for setting up USB with the second processor 20 and communicate.
In this step, first processor 10 is when the differential signal that the second processor 20 exports being detected, namely can determine that there is the USBdevice accessed, thus initiating enumeration process to the second processor 20, it is connected thus setting up USB with the second processor 20, namely establishes the usb communication passage between first processor 10 and the second radio circuit 201.Enumeration process in this step is same as the prior art, does not therefore do too much repeating.First processor 10 passes through enumeration process for the feature determining the second processor 20, thus determining that adopting which kind of connected mode to carry out USB with the second processor 20 is connected further.
Further alternative, in dual pathways mobile terminal one embodiment of multiplexing USB port of the present invention, power management chip 30 is connected with USB socket 40, it is provided with communication port between power management chip 30 and first processor 10, this communication port can transmit the information such as control command, state, as shown in Figure 4.
In the present embodiment, when mobile terminal is inserted on external equipment by USB socket 40, if power management chip 30 detects that external equipment exports the feedback signal in USB socket 40, then it is charged protocol interaction with this external equipment to determine this external equipment, such as determine whether this external equipment is charger or is non-charger, and send external equipment access notification message to first processor 10.
Further alternative, in dual pathways mobile terminal one embodiment of multiplexing USB port of the present invention, when first processor the 10, second processor 20 carries out double-channel data merging treatment, it is as follows that first processor 10 sets up the USB process being connected with external equipment:
(1) when first processor the 10, second processor 20 communicates and power management chip 30 detects that the external equipment accessed in USB socket 40 is computer, power management chip 30 sends, to first processor 10, the notification message that computer accesses, and the form of this notification message is not limit；
(2) first processor 10 is upon receiving the notification message, controls switch chip 502 and connects the differential signal wire pin of first processor 10 and USB socket 40；And on self differential signal wire pin, load setting voltage, to produce differential signal the differential signal wire pin by the connection output of switch chip 502 to USB socket 40；
(3) first processor 10 and computer carry out enumeration process, are connected for setting up USB with computer and communicate.In the present embodiment, computer is as USB main equipment, and first processor 10 from equipment as USB, is therefore initiated enumeration process by computer, namely when COMPUTER DETECTION to differential signal, initiated enumeration process to first processor 10.
Further alternative, in dual pathways mobile terminal one embodiment of multiplexing USB port of the present invention, switch chip 502 is single-pole double-throw switch (SPDT) chip；First processor 10 is primary processor, namely first processor 10 includes application processor 200 and the first modem (namely primary modem 310), the second processor 20 includes second modem (namely from modem 410).
Optionally, the connection diagram of dual pathways mobile terminal one embodiment of multiplexing USB port of the present invention as shown in Figure 5.Wherein, first processor (processor 1#) also includes the first control line pin (control line 1), the second control line pin (control line 2) and the 3rd control line pin (control line 3)；Second processor (processor 2#) also includes the first power pins (VBUS pin), power management chip (PMIC) includes second source pin (VBUS pin), USB socket (USB socket X1) also includes the 3rd power pins (VBUS pin), and detection signal output module is chosen as DC-DC circuit module T1.
Single-pole double-throw switch (SPDT) chip (S1) includes common switch end (A1, B1), first switching switch terminals (A2, B2), second switching switch terminals (A3, B3), common switch end (A1, B1) with the differential signal wire pin (D+ of first processor (processor 1#), D-) connect, first switching switch terminals (A2, B2) with the differential signal wire pin (D+ of the second processor (processor 2#), D-) connect, second switching switch terminals (A3, B3) with the differential signal wire pin (D+ of USB socket (USB socket X1), D-) connect；
Single-pole double-throw switch (SPDT) chip (S1) also includes enabling pin (EN pin), level configuration pin (DIR pin), first control line pin (control line 1) is connected with enabling pin (EN pin), second control line pin (control line 2) is connected with level configuration pin (DIR pin), 3rd control line pin (control line 3) is connected with the signal input part of detection signal output module, first power pins (the VBUS pin of processor 2#) is connected with the voltage output end of detection signal output module, second source pin (the VBUS pin of PMIC) is connected with the 3rd power pins (the VBUS pin of USB socket X1).
Further alternative, as it is shown in figure 5, the control process that first processor carries out USB port multiplexing is as follows:
(1) first processor (processor 1#) exports signal to enable single-pole double-throw switch (SPDT) chip (S1) by the first control line pin (control line 1) to the enable pin (EN pin) of single-pole double-throw switch (SPDT) chip (S1), and such as processor 1# output control line 1 is that low level is to enable single-pole double-throw switch (SPDT) chip S1；
(2) first processor (processor 1#) exports signal to control the common switch end (A1 of single-pole double-throw switch (SPDT) chip (S1) by the second control line pin (control line 2) to the level configuration pin (DIR pin) of single-pole double-throw switch (SPDT) chip (S1), B1) with the first switching switch terminals (A2, B2) or the second switching switch terminals (A3, B3) conducting, such as, processor 1# output control line 2 is high level, and then the level (such as high level) of configuration DIR pin, and then make common switch end (A1, B1) with the first switching switch terminals (A2, B2) conducting；Otherwise, processor 1# output control line 2 is low level, and then the level (such as low level) of configuration DIR pin, and then makes common switch end (A1, B1) and the second switching switch terminals (A3, B3) conducting.
Additionally, carry out data merging treatment between first processor 10 with the second processor 20 and set up USB when being connected, namely processor 1# is USB main equipment, processor 2# be USB from equipment carry out USB connect time, first processor further comprises:
(3) first processor (processor 1#) turns on or off voltage output to the signal input part output signal of detection signal output module to control detection signal output module by the 3rd control line pin (control line 3).Owing to first processor 10 connects for the USB set up between the different parts of same equipment from the second processor 20, therefore, related protocol based on USB specifies that (USB needs to export differential signal to USB main equipment from equipment, namely need from voltage), therefore, by detecting signal output module triggering generation differential signal in the present embodiment, thus informing that first processor (processor 1#) exists the USB input from equipment.
In the present embodiment, when carrying out the layout of each parts of dual pathways mobile terminal, device, it is necessary to will switch single-pole double-throw switch (SPDT) chip S1 close proximity to processor #2, thus reduce due to the data path multiplexing impact on signal integrity as far as possible.
In detail below based on the connected mode of above-mentioned Fig. 5, several situations of the multiplexing of USB port are described in detail respectively.
1, the communication between processor #1 and processor #2
Specifically with processor #1 for USBhost in this example, processor #2 is that USBdevice illustrates.Processor #1 output control line 1 enables switch chip S1 for low level, and output control line 2 makes the A1 foot of switch S1 connect with A2 foot for high level, and B1 foot connects with B2 foot；
Processor #1 output control line 3 enables detection signal output module (such as DC-DC circuit module T1) for high level, so as to export relevant voltage to be supplied to the VBUS pin of processor #2；
The VBUS pin of processor #2 causes that the level of D+/D-changes after powering on, and processor #1 then thinks after this change being detected has USBdevice to insert, and then initiates enumeration process, and processor #1, #2 set up USB and connect.
2, external USB host (such as computer)/charger inserts
The now state according to processor #1, is divided into two following situations:
During 2.1 processor #1 just communicate with processor #2, now the A1 foot of switch chip S1 connects with A2 foot, and B1 foot connects with B2 foot；
When mobile terminal is inserted in external equipment, external equipment output relevant voltage is loaded on the VBUS of USB socket X1.After PMIC detects the voltage on VBUS, first carry out the mutual of charge protocol, judge with the type to external equipment, if it is determined that the external equipment inserted is:
(I) charger, then PMIC informs processor #1 by communication port, continues to constant with the communication of processor #2 after processor #1 is notified, and PMIC then turns on charge tunnel, allows charger that battery to be charged；
(II) computer, then PMIC informs processor #1 by communication port, relevant voltage is carried on the data wire D+ (or D-) of USB after processor #1 is notified, and output control line 3 is low level, turns off the output of detection signal output module；Processor #1 processor output control line 1 enables switch chip S1 for low level, and output control line 2 is low level, makes the A1 foot of switch S1 connect with A3 foot, and B1 foot connects with B3 foot；Now, COMPUTER DETECTION then thinks have USBdevice to insert after changing to the level of D+/D-foot, and then initiates enumeration process, and computer is set up USB with processor #1 and is connected.
2.2 processor #1 do not communicate with processor #2, and now the A1 foot of switch chip S1 connects with A3 foot, and B1 foot connects with B3 foot.Existing single channel mobile terminal is equivalent under this kind of situation, therefore identical with the processing mode of existing single channel mobile terminal, therefore no longer do and too much repeat.
High-level schematic functional block diagram with reference to the dual pathways another embodiment of mobile terminal that Fig. 6, Fig. 6 are multiplexing USB port of the present invention.Based on above-described embodiment, in the present embodiment, mobile terminal also includes isolation circuit 60, power management chip 30 is provided with differential signal wire pin, the differential signal wire pin of power management core 30 is connected with the differential signal wire pin of USB socket 40 by isolating circuit 60, interference when first processor the 10, second processor 20 is communicated by isolation electricity 60 for insulating power supply managing chip 30, connection diagram as shown in Figure 7.
In the present embodiment, isolation circuit 60 can be active circuit or passive circuit, or active with passive hybrid circuit.
High-level schematic functional block diagram with reference to RF calibration system one embodiment that Fig. 8, Fig. 8 are dual pathways mobile terminal of the present invention.In the present embodiment, RF calibration system includes the dual pathways mobile terminal 520 described in RF calibration equipment 510 and above-described embodiment.
In the present embodiment, the RF calibration equipment 510 usb communication passage for being set up by the USB port multiplexer 50 of dual pathways mobile terminal 520, the first radio circuit 101 and the second radio circuit 102 to dual pathways mobile terminal 520 carry out RF calibration.
In the present embodiment, RF calibration equipment 510 is as the external equipment of dual pathways mobile terminal 520, the USB socket 40 that can pass through dual pathways mobile terminal 520 is connected on dual pathways mobile terminal 520, simultaneously, the usb communication passage set up by USB port multiplexer 50 (specifically includes the usb communication passage between first processor 10 and the first radio circuit 101, and the usb communication passage between first processor 10 and USB socket 40), thereby through switching above-mentioned two usb communication passages, thus setting up the RF calibration equipment 510 usb communication passage respectively and between the first radio circuit 101 and the second radio circuit 102.
Such as, if RF calibration equipment 510 needs the first radio circuit 101 is carried out RF calibration, then can pass through USB port multiplexer 50, set up RF calibration equipment 510, USB socket 40, usb communication passage between first processor 10 and the first radio circuit 101, and then carry out RF calibration operation；In like manner, if RF calibration equipment 510 needs the second radio circuit 201 is carried out RF calibration, then can pass through USB port multiplexer 50, set up the usb communication passage between first processor the 10, second processor 20 and the second radio circuit 201, and RF calibration equipment 510 only need to be set up communication connection with first processor 10 and can carry out RF calibration operation and (it should be noted that, owing to the second processor 20 is from processor, namely can not be directly realized by with user interface dock process).
In the present embodiment, first processor 10 can be connected and the external equipment (such as RF calibration equipment 510) being connected in USB socket 40 by USB port multiplexer 50, thus the usb communication passage set up between the first radio circuit 101 with the external equipment being connected in USB socket 40；And also can connect first processor 10 and the second processor 20, thus the usb communication passage set up between first processor 10 and the second radio circuit 201.
nullOn dual pathways mobile terminal 520, a plurality of usb communication passage can be set up by a USB port by the present embodiment，Thus realizing the flexible switching of the multi multiplexing to dual pathways mobile terminal USB port and usb communication passage，While improving USB port utilization rate，Also simplify the calibration operation process to dual pathways radio circuit，Namely in RF calibration process，Radio circuit (the first radio circuit 101 is overlapped with two respectively by realizing RF calibration equipment 510、Second radio circuit 201) between the flexible switching of communication port，Thus can realize being under the premise of open state at dual pathways mobile terminal 520，Complete two RF calibrations overlapping radio circuit，And then only need to by once restarting reset operation，Thus improving the RF calibration efficiency of dual pathways mobile terminal 520.
Further alternative, with reference to Fig. 9, in RF calibration system one embodiment of dual pathways mobile terminal of the present invention, RF calibration equipment 510 includes radio frequency comprehensive test instrument 5101 and computer 5102, is connected by general purpose interface bus GPIB between radio frequency comprehensive test instrument 5101 with computer 5102.In the present embodiment, computer 5102 is by built-in calibration application, corresponding calibration command and radio frequency parameter is sent respectively, with calibration parameter obtained after carrying out RF calibration and preserving calibration to radio frequency comprehensive test instrument the 5101, first radio circuit 101 and the second radio circuit 201.
As shown in Figure 10, when the first radio circuit 101 of dual pathways mobile terminal 520 is carried out RF calibration by RF calibration equipment 510, radio frequency comprehensive test instrument 5101 and the first radio circuit 101 wired connection, USB socket 40 wired connection of computer 5102 and dual pathways mobile terminal 520.
Dual pathways mobile terminal 520 is set up USB with computer 5102 and is connected, user only need to by manipulating the calibration application program on computer 5102, generate corresponding calibration command and radio frequency parameter, and the usb communication passage (USB socket 40, first processor the 10, first radio circuit 101) set up by USB port multiplexer 50 sends corresponding calibration command and radio frequency parameter to first processor 10, thus being completed the setting of the calibration environment parameter of the first radio circuit 101 end by first processor 10 and running；Meanwhile, corresponding calibration command and radio frequency parameter are sent by gpib bus to radio frequency comprehensive test instrument 5101, thus being completed the setting of the calibration environment parameter of radio frequency comprehensive test instrument 5101 end by radio frequency comprehensive test instrument 5101 and running；The last result that comprehensive first processor 10 feeds back with radio frequency comprehensive test instrument 5101 again, completes the RF calibration to the first radio circuit 101, and implementation and the process of concrete RF calibration are same as the prior art, therefore do not do too much repeating.
When the first radio circuit 101 is calibrated, it is necessary to the A1 foot of switch chip S1 is connected A3 foot, B1 foot connects B3 foot, so that the usb data pin of the usb data pin connection USB socket 40 of first processor 10, and then set up the usb communication passage of the two.
And after having calibrated the first radio circuit 101, first processor 10 controls the A1 foot of switch chip S1 and connects A2 foot, B1 foot connects B2 foot, so that the usb data pin of first processor 10 connects the usb data pin of the second processor 20, and then sets up the usb communication passage of the two.
As shown in figure 11, when the second radio circuit 201 of dual pathways mobile terminal 520 is carried out RF calibration by RF calibration equipment 510, radio frequency comprehensive test instrument 5101 and the second radio circuit 201 wired connection, first processor 10 wireless connections of computer 5102 and dual pathways mobile terminal 520.The RF calibration mode of the second radio circuit 201 and process and the first radio circuit 101 are similar, therefore do not do and too much repeat.
It should be noted that after completing RF calibration, can be saved in nonvolatile storage by the calibration parameter of two radio circuits, this memorizer can be first processor 10 and the second respective memorizer of processor 20, it is also possible to is the two memorizer shared.Finally, restarting dual pathways mobile terminal 520 by resetting can make the calibration parameter preserved come into force.It addition, radio frequency comprehensive test instrument 5101 can also adopt wireless mode to be attached with between the first radio circuit 101 or the second radio circuit 201.
Further alternative, after completing RF calibration, also can generate corresponding calibration log file and preserve.The calibration log file of such as the first radio circuit 101 preserves in a computer, and the calibration log file of the second radio circuit 201 can be saved on cloud server by wireless transmission methods such as wifi to check.
Further alternative, in RF calibration system one embodiment of dual pathways mobile terminal of the present invention, RF calibration equipment 510 includes radio frequency comprehensive test instrument 5101, wherein, dual pathways mobile terminal 520 is by built-in calibration application, corresponding calibration command and radio frequency parameter is sent respectively, with calibration parameter obtained after carrying out RF calibration and preserving calibration to radio frequency comprehensive test instrument the 5101, first radio circuit 101 and the second radio circuit 201.
As shown in figure 12, when the first radio circuit 101 of dual pathways mobile terminal 520 is carried out RF calibration by RF calibration equipment 510, radio frequency comprehensive test instrument 5101 and the first radio circuit 101 wired connection and radio frequency comprehensive test instrument 5101 and first processor 10 wireless connections.
Dual pathways mobile terminal 520 (namely being equivalent to first processor 10) and radio frequency comprehensive test instrument 5101 set up wireless connections (such as wifi, BT etc.), user only need to by manipulating the calibration application program on dual pathways mobile terminal 520, generate corresponding calibration command and radio frequency parameter, and by the intercommunication passage of dual pathways mobile terminal 520, corresponding calibration command and radio frequency parameter is sent, thus being completed the setting of the calibration environment parameter of the first radio circuit 101 end by first processor 10 and running to first processor 10；Meanwhile, corresponding calibration command and radio frequency parameter are sent by wifi to radio frequency comprehensive test instrument 5101, thus being completed the setting of the calibration environment parameter of radio frequency comprehensive test instrument 5101 end by radio frequency comprehensive test instrument 5101 and running；The last result that comprehensive first processor 10 feeds back with radio frequency comprehensive test instrument 5101 again, completes the RF calibration to the first radio circuit 101, and implementation and the process of concrete RF calibration are same as the prior art, therefore do not do too much repeating.
As shown in figure 13, when the second radio circuit 201 of dual pathways mobile terminal 520 is carried out RF calibration by RF calibration equipment 510, first processor 10 wireless connections of radio frequency comprehensive test instrument 5101 and the second radio circuit 201 wired connection and radio frequency comprehensive test instrument 5101 and dual pathways mobile terminal 520.The RF calibration mode of the second radio circuit 201 and process and the first radio circuit 101 are similar, therefore do not do and too much repeat.It addition, radio frequency comprehensive test instrument 5101 can also adopt wireless mode to be attached with between the first radio circuit 101 or the second radio circuit 201.
Further alternative, in RF calibration system one embodiment of dual pathways mobile terminal of the present invention, RF calibration equipment 510 includes radio frequency comprehensive test instrument 5101 and computer 5102.
When the first radio circuit 101 of dual pathways mobile terminal 520 is carried out RF calibration by RF calibration equipment 510, radio frequency comprehensive test instrument 5101 and the first radio circuit 101 wired connection, USB socket 40 wired connection of computer 5102 and dual pathways mobile terminal 520, wherein, computer 5102 is by built-in calibration application, to radio frequency comprehensive test instrument 5101, first radio circuit 101 and the second radio circuit 201 send corresponding calibration command and radio frequency parameter respectively, with calibration parameter obtained after carrying out RF calibration and preserving calibration, implementation and the process of concrete RF calibration are same as the previously described embodiments, therefore do not do and too much repeat.
When the second radio circuit 201 of dual pathways mobile terminal 520 is carried out RF calibration by RF calibration equipment 510, first processor 10 wireless connections of radio frequency comprehensive test instrument 5101 and the second radio circuit 201 wired connection and radio frequency comprehensive test instrument 5101 and dual pathways mobile terminal 520.Wherein, dual pathways mobile terminal 520 is by built-in calibration application, corresponding calibration command and radio frequency parameter is sent respectively to radio frequency comprehensive test instrument the 5101, first radio circuit 101 and the second radio circuit 201, with calibration parameter obtained after carrying out RF calibration and preserving calibration, implementation and the process of concrete RF calibration are same as the previously described embodiments, therefore do not do too much repeating.
It should be noted that, in this article, term " includes ", " comprising " or its any other variant are intended to comprising of nonexcludability, so that include the process of a series of key element, method, article or device not only include those key elements, but also include other key elements being not expressly set out, or also include the key element intrinsic for this process, method, article or device.When there is no more restriction, statement " including ... " key element limited, it is not excluded that there is also other identical element in including the process of this key element, method, article or device.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Through the above description of the embodiments, those skilled in the art is it can be understood that can add the mode of required general hardware platform by software to above-described embodiment method and realize, hardware can certainly be passed through, but in a lot of situation, the former is embodiment more preferably.Based on such understanding, the part that prior art is contributed by technical scheme substantially in other words can embody with the form of software product, this computer software product is stored in a storage medium (such as ROM/RAM, magnetic disc, CD), including some instructions with so that a station terminal equipment (can be mobile phone, computer, server, air-conditioner, or the network equipment etc.) perform the method described in each embodiment of the present invention.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every equivalent structure utilizing description of the present invention and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in the scope of patent protection of the present invention.
Claims (10)
1. a dual pathways mobile terminal, it is characterized in that, described dual pathways mobile terminal includes the first processor for carrying out first passage Business Processing and the first radio circuit, for carrying out the second processor of second channel Business Processing and the second radio circuit, for managing the power management chip of described mobile terminal power supply and for connecting the USB socket of external equipment；Described first processor is connected with described first radio circuit, and described second processor is connected with described second radio circuit；Described first processor is primary processor, and described second processor is from processor, and described first processor, described second processor and described USB socket are respectively arranged with differential signal wire pin；Described mobile terminal also includes USB port multiplexer；
Described USB port multiplexer, for when receiving the first connection instruction that described first processor sends, connect the differential signal wire pin of described first processor and the differential signal wire pin of described USB socket, for the usb communication passage set up between described first radio circuit with the external equipment being connected in described USB socket；And when receiving the second connection instruction that described first processor sends, connect the differential signal wire pin of described first processor and the differential signal wire pin of described second processor, for the usb communication passage set up between described first processor and described second radio circuit.
2. dual pathways mobile terminal as claimed in claim 1, it is characterised in that described USB port multiplexer includes detection signal output module, switch chip；Described detection signal output module is connected with described first processor, described second processor respectively；The differential signal wire pin of multiple switch terminals of described switch chip corresponding and described first processor respectively, described second processor and described USB socket is connected；
It is that USB is from equipment and before carrying out usb communication when described first processor is USB main equipment, described second processor, described first processor exports the first control signal to described switch chip, to control the differential signal wire pin of the described switch chip described first processor of connection and described second processor；
Described first processor exports the second control signal to control described detection signal output module to described second processor output detections signal to described detection signal output module, produces differential signal the differential signal wire pin by the connection output of described switch chip to described first processor triggering described second processor on self differential signal wire pin；
When described first processor detects described differential signal at self differential signal wire pin, initiate enumeration process to described second processor, be connected to set up the usb communication passage between described first processor and described second radio circuit for setting up USB with described second processor.
3. dual pathways mobile terminal as claimed in claim 2, it is characterised in that described power management chip is connected with described USB socket, is provided with communication port between described power management chip and described first processor；
When described mobile terminal is inserted on external equipment by described USB socket, if described power management chip detects that external equipment exports the feedback signal in described USB socket, then it is charged protocol interaction with this external equipment to determine this external equipment, and sends external equipment access notification message to described first processor.
4. dual pathways mobile terminal as claimed in claim 3, it is characterized in that, when described first processor, described second processor carry out usb communication and described power management chip detects that the external equipment accessed in described USB socket is computer, described power management chip sends, to described first processor, the notification message that computer accesses；
Described first processor, after receiving described notification message, controls described switch chip and connects the differential signal wire pin of described first processor and described USB socket；And on self differential signal wire pin, load setting voltage, to produce differential signal the differential signal wire pin by the connection output of described switch chip to described USB socket；
Described first processor and computer carry out enumeration process, it is connected to set up the usb communication passage between described first radio circuit with the computer being connected in described USB socket for setting up USB with computer, wherein, when COMPUTER DETECTION to described differential signal, enumeration process is initiated to described first processor, wherein, computer is USB main equipment, and described first processor is USB from equipment.
5. the dual pathways mobile terminal as according to any one of claim 2-4, it is characterised in that described switch chip is single-pole double-throw switch (SPDT) chip；Described first processor includes application processor and the first modem, and described second processor includes second modem.
6. dual pathways mobile terminal as claimed in claim 5, it is characterised in that described first processor also includes the first control line pin, the second control line pin and the 3rd control line pin；Described second processor also includes the first power pins；Described power management chip includes second source pin；Described USB socket also includes the 3rd power pins；
Described single-pole double-throw switch (SPDT) chip includes common switch end, the first switching switch terminals, the second switching switch terminals, described common switch end is connected with the differential signal wire pin of described first processor, described first switching switch terminals is connected with the differential signal wire pin of described second processor, and described second switching switch terminals is connected with the differential signal wire pin of described USB socket；
Described single-pole double-throw switch (SPDT) chip also includes enabling pin, level configuration pin, described first control line pin is connected with described enable pin, described second control line pin is connected with described level configuration pin, described 3rd control line pin is connected with the signal input part of described detection signal output module, described first power pins is connected with the signal output part of described detection signal output module, and described second source pin is connected with described 3rd power pins.
7. dual pathways mobile terminal as claimed in claim 6, it is characterised in that described first processor exports signal to enable described single-pole double-throw switch (SPDT) chip by described first control line pin to the described enable pin of described single-pole double-throw switch (SPDT) chip；
Described first processor exports signal by described second control line pin to the described level configuration pin of described single-pole double-throw switch (SPDT) chip and switches switch terminals conducting with the common switch end and the first switching switch terminals or second controlling described single-pole double-throw switch (SPDT) chip；
Described first processor exports signal by described 3rd control line pin to the signal input part of described detection signal output module and turns on or off detection signal output to control described detection signal output module.
8. a RF calibration system for dual pathways mobile terminal, including RF calibration equipment, it is characterised in that described RF calibration system also includes the dual pathways mobile terminal according to any one of claim 1-7；
Described RF calibration equipment, for the usb communication passage set up by the USB port multiplexer of described dual pathways mobile terminal, the first radio circuit and the second radio circuit to described dual pathways mobile terminal carry out RF calibration.
9. the RF calibration system of dual pathways mobile terminal as claimed in claim 8, it is characterized in that, described RF calibration equipment includes radio frequency comprehensive test instrument and computer, it is connected by gpib bus between described radio frequency comprehensive test instrument and described computer, wherein, described computer is by built-in calibration application, corresponding calibration command and radio frequency parameter is sent respectively, with calibration parameter obtained after carrying out RF calibration and preserving calibration to described radio frequency comprehensive test instrument, described first radio circuit and described second radio circuit；
Wherein, when the first radio circuit of described dual pathways mobile terminal is carried out RF calibration by described RF calibration equipment, the USB socket wired connection of described radio frequency comprehensive test instrument and described first radio circuit wired connection, described computer and described dual pathways mobile terminal；
When the second radio circuit of described dual pathways mobile terminal is carried out RF calibration by described RF calibration equipment, the first processor wireless connections of described radio frequency comprehensive test instrument and described second radio circuit wired connection, described computer and described dual pathways mobile terminal.
10. the RF calibration system of dual pathways mobile terminal as claimed in claim 8, it is characterized in that, described RF calibration equipment includes radio frequency comprehensive test instrument, wherein, described dual pathways mobile terminal is by built-in calibration application, corresponding calibration command and radio frequency parameter is sent respectively, with calibration parameter obtained after carrying out RF calibration and preserving calibration to described radio frequency comprehensive test instrument, described first radio circuit and described second radio circuit；
Wherein, when the first radio circuit of described dual pathways mobile terminal is carried out RF calibration by described RF calibration equipment, the first processor wireless connections of described radio frequency comprehensive test instrument and described first radio circuit wired connection and described radio frequency comprehensive test instrument and described dual pathways mobile terminal；
When the second radio circuit of described dual pathways mobile terminal is carried out RF calibration by described RF calibration equipment, the first processor wireless connections of described radio frequency comprehensive test instrument and described second radio circuit wired connection and described radio frequency comprehensive test instrument and described dual pathways mobile terminal.
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