CN105227702A - A kind of bilateral cell phone platform USB socket - Google Patents
A kind of bilateral cell phone platform USB socket Download PDFInfo
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- CN105227702A CN105227702A CN201510283639.XA CN201510283639A CN105227702A CN 105227702 A CN105227702 A CN 105227702A CN 201510283639 A CN201510283639 A CN 201510283639A CN 105227702 A CN105227702 A CN 105227702A
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Abstract
The invention discloses a kind of bilateral cell phone platform USB socket, comprise application processor and modem processor, described application processor is provided with USB mono-and USB Two-port netwerk; Described modem processor is provided with USB port and UART port, described application processor and described modem processor are connected with USB socket, between described USB socket and described application processor and described modem processor, are arranged in series three two-way analog switch.Beneficial effect of the present invention is: by arranging three two-way analog switch on application processor and modem processor, and then make the present invention reach only need a USB socket just can meet the demands, and then serve the simplification that chip for cell phone relates to, and save cost.
Description
Technical field
The present invention relates to mobile phone USB socket, specifically, relate to a kind of bilateral cell phone platform USB socket.
Background technology
All need to realize two conceptual design treating bilateral system based on existing market main product, and this scheme also has good market prospects and enjoys the favor of consumer.But for this hand-held terminal device of mobile phone, need a lot of function to be rolled into one on the equipment that volume is smaller, for ID design, structural design, hardware designs, has very large challenge, so the reuse plan of communication interface is just arisen at the historic moment.
Due to two system schema treating bilateral, researching and developing and using in this process, have and respectively download software is carried out to two systems, the demands such as debugging and communication each other.Realize these functions and demand, all can go to use USB, UART interface.If go use USB socket or UART socket to distribute for each system, twoly treat that the system of bilateral will use two USB socket and a UART socket, will layout is so many on cell phone mainboard socket, a lot of unfavorable factor can be brought to design: the first, cause the ID design of mobile phone unsightly; The second, structural design can become very complicated.3rd, take hardware arrangement and the empty regions of RF aerial radiation is all had a great impact.4th, complete machine BOM (BillOfMateriel) cost of mobile phone can be increased.
For the problem in correlation technique, at present effective solution is not yet proposed.
Summary of the invention
The object of this invention is to provide a kind of bilateral cell phone platform USB socket, to overcome currently available technology above shortcomings.
The object of the invention is to be achieved through the following technical solutions:
A kind of bilateral cell phone platform USB socket, comprises application processor and modem processor, described application processor is provided with USB mono-and USB Two-port netwerk; Described modem processor is provided with USB port and UART port, described application processor and described modem processor are connected with USB socket, between described USB socket and described application processor and described modem processor, are arranged in series three two-way analog switch.
Further, described three two-way analog switch comprise the switch two that the switch one that is connected with described USB socket is connected with described switch one and the switch three be series between described switch one and switch two; Wherein, one end of described switch one is connected with the UART port of described modem processor, and the other end of described switch one is connected with described switch three; One end of described switch two is connected with the USB port of described modem processor; The other end of described switch two is connected with the USB Single port of described application processor; In addition, one end of described switch three is connected with the USB Two-port netwerk of described application processor, and the other end of described switch three is connected with described switch two.
Further, described USB mono-is USB1.0 port, and described USB bis-is USB2.0 port.
Beneficial effect of the present invention is: by arranging three two-way analog switch on application processor and modem processor, and then make the present invention reach only need a USB socket just can meet the demands, and then serve the simplification that chip for cell phone relates to, and save cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the circuit diagram of the bilateral cell phone platform USB socket according to the embodiment of the present invention.
In figure:
1, application processor; 2, modem processor; 3, USB Single port; 4, USB Two-port netwerk; 5, USB port; 6, UART port; 7, USB socket; 8, two-way analog switch; 9, switch one; 10, switch two; 11, switch three.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain, all belongs to the scope of protection of the invention.
As shown in Figure 1, a kind of bilateral cell phone platform USB socket according to embodiments of the invention, comprises application processor 1 and modem processor 2, described application processor 1 is provided with USB Single port 3 and USB Two-port netwerk 4; Described modem processor 2 is provided with USB port 5 and UART port 6, described application processor 1 and described modem processor 2 are connected with USB socket 7, between described USB socket 7 and described application processor 1 and described modem processor 2, are arranged in series three two-way analog switch 8.
Further, continue with reference to Fig. 1, in one embodiment, described three two-way analog switch 8 comprise the switch 2 10 that the switch 1 that is connected with described USB socket 7 is connected with described switch 1 and the switch 3 11 be series between described switch 1 and switch 2 10; Wherein, one end of described switch 1 is connected with the UART port 6 of described modem processor 2, and the other end of described switch 1 is connected with described switch 3 11; One end of described switch 2 10 is connected with the USB port 5 of described modem processor 2; The other end of described switch 2 10 is connected with the USB Single port 3 of described application processor 1; In addition, one end of described switch 3 11 is connected with the USB Two-port netwerk 4 of described application processor 1, and the other end of described switch 3 11 is connected with described switch 2 10.
In addition, described USB Single port 3 is USB1.0 port, and described USB Two-port netwerk 4 is USB2.0 port.
Wherein, what application processor platform 1 was chosen is, and MTK6575M, modem processor 2 chooses is MCWILL, adopts MTK6575 to have as upper layer application processing module, can complete every user's application function.And the baseband functions of mobile phone can be completed, support the functions such as various transducer, camera, screen display, Keyboard Control.MT6329 power management module completes, charging, the functions such as power supply managing.MT6628 completes bluetooth, WIFI, broadcast receiver and global positioning satellite function.MT6162 completes the radio-frequency receiving-transmitting function of gsm system.MCWILL module is as radio modem, the region independently can launching, receive the MCWILL network coverage provides broadband portable radiotelephone access, for user provides wireless communication, the functions such as data, services, and select three two-way analog switch effectively to solve the drawback of many mouthfuls of USB socket, and then do not use the condition of providing convenience.
Continue with reference to Fig. 1, in three analog switch models be all WAS7222Q, complete transfer rate can reach USBHighspeed (480Mbps).Switch 1 is the switching of MCWILL serial ports and USB port, when gating switch 1, and the selection port that switch 3 11 is inserted as the USB of USB and MTK7575M of MCWILL and tail.As the USB of switch 3 11 gating MCWILL, switch 2 10 is strobed into as MCWILL the gating switch that MTK6575M or MCWILL downloads software upgrading.
The switching of switch 1 state is by hardware implementing, and when using USB to download, VBUS is 5V high level, and USB downloading mode selected by analog switch.When using the FLASH of Serial Port Line burning MCWILL, due to serial ports not having high level, then the SEL pin of switch 1 is low level, and serial ports path selected by switch 1.
When switch 1 inserts USB line, switch 3 11 and switch 2 10 pass through two GPIO control SW1 and SW2 of MTK6575.Logical relation is as shown in the table:
| SW1 | SW2 | Connection status |
| L | MTK connects USB | |
| H | L | MCWILL connects USB |
| H | H | MTK connects MCWILL |
Wherein, UART: as the one of asynchronous serial communication agreement, operation principle is transmitted with connecing one by each character one of transmission data.
In sum, by means of technique scheme of the present invention, by arranging three two-way analog switch on application processor and modem processor, and then make the present invention reach only need a USB socket just can meet the demands, and then serve the simplification that chip for cell phone relates to, and save cost.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a bilateral cell phone platform USB socket, comprises application processor (1) and modem processor (2), described application processor (1) is provided with USB Single port (3) and USB Two-port netwerk (4); Described modem processor (2) is provided with USB port (5) and UART port (6), it is characterized in that, described application processor (1) and described modem processor (2) are connected with USB socket (7), between described USB socket (7) and described application processor (1) and described modem processor (2), are arranged in series three two-way analog switch (8).
2. bilateral cell phone platform USB socket according to claim 1, it is characterized in that, the switch three (11) that described three two-way analog switch (8) comprise the switch one (9) be connected with described USB socket (7), the switch two (10) of connecting with described switch one (9) and are series between described switch one (9) and switch two (10); Wherein, one end of described switch one (9) is connected with the UART port (6) of described modem processor (2), and the other end of described switch one (9) is connected with described switch three (11); One end of described switch two (10) is connected with the USB port (5) of described modem processor (2); The other end of described switch two (10) is connected with the USB Single port (3) of described application processor (1); In addition, one end of described switch three (11) is connected with the USB Two-port netwerk (4) of described application processor (1), and the other end of described switch three (11) is connected with described switch two (10).
3. bilateral cell phone platform USB socket according to claim 1, is characterized in that, described USB Single port (3) is USB1.0 port, and described USB Two-port netwerk (4) is USB2.0 port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510283639.XA CN105227702A (en) | 2015-05-28 | 2015-05-28 | A kind of bilateral cell phone platform USB socket |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510283639.XA CN105227702A (en) | 2015-05-28 | 2015-05-28 | A kind of bilateral cell phone platform USB socket |
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| CN105227702A true CN105227702A (en) | 2016-01-06 |
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| CN201510283639.XA Pending CN105227702A (en) | 2015-05-28 | 2015-05-28 | A kind of bilateral cell phone platform USB socket |
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| CN105718405A (en) * | 2016-01-28 | 2016-06-29 | 努比亚技术有限公司 | Mobile terminal and method for USB interface multiplex of processors of mobile terminal |
| CN105893304A (en) * | 2016-03-28 | 2016-08-24 | 努比亚技术有限公司 | Terminal supporting dual network data transmission and realization method thereof |
| WO2020124849A1 (en) * | 2018-12-17 | 2020-06-25 | 深圳市奥克多普科技有限公司 | Communication equipment interface switching device and method |
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