CN202772373U - USB connecting device and electronic device - Google Patents
USB connecting device and electronic device Download PDFInfo
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- CN202772373U CN202772373U CN2012203848339U CN201220384833U CN202772373U CN 202772373 U CN202772373 U CN 202772373U CN 2012203848339 U CN2012203848339 U CN 2012203848339U CN 201220384833 U CN201220384833 U CN 201220384833U CN 202772373 U CN202772373 U CN 202772373U
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Abstract
The utility model discloses a USB connecting device, which comprises a base provided with an inherent pin set and an extension pin set. The extension pin set comprises extension pins capable of realizing at least one function selected from the functions of audio input/output, composite video signal output, serial data input/output, recording input, external function control and voltage input/output. The utility model also discloses an electronic device. Due to the adoption of the above technical scheme of the utility model, the number of connectors of the electronic device can be reduced and the miniaturization development of electronic devices is facilitated.
Description
Technical field
The utility model relates to electronic technology field, particularly relates to a kind of USB jockey and electronic equipment.
Background technology
USB(Universal Serial Bus, USB) interface, plug and play fast with its transmission speed, the advantage such as be easy to expand and be widely used between the consumption electronic product to realize the transmission of Various types of data, also become the main connecting interface between the consumption electronic product and between the peripheral device.
And along with the development of electronic technology, the function of consumption electronic product is more and more, makes its exchanges data kind with peripheral device also get more and more such as audio transmission or transmission of video etc.When carrying out some transfer of data, general five pins of USB interface that only adopt carry out transfer of data and do not have other extended pin is taken full advantage of in the prior art, so that the function of USB interface is too dull, even when carrying out some such as transmission such as audio signal or recorded audio signals, needing that also special connector is set in consumption electronic product in addition transmits, increase the connector quantity of consumption electronic product, be unfavorable for the miniaturization development of consumption electronic product.
The utility model content
The technical problem that the utility model mainly solves provides a kind of USB jockey and electronic equipment, can reduce the quantity of electronic device connector, is conducive to the miniaturization development of electronic equipment.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of USB jockey is provided, comprises the base that is provided with intrinsic pin set and extended pin group; The extended pin group comprises at least a Function Extension pin of realizing audio frequency input and output, composite video signal output, serial data input and output, recording input, external function control and voltage input/output function.
Wherein, the quantity of the Function Extension pin of extended pin group is 12, comprises the first extended pin and the second extended pin that are respectively applied to the audio signal input and output, the 3rd extended pin that is used for composite video signal output, be used for transmitting the 4th extended pin and the 5th extended pin of serial data, the 6th extended pin that is used for the input of recording clock generator signal, the 7th extended pin that is used for the input of recording data signal, be used for transmitting the 8th extended pin and the 9th extended pin of external function control signal, the 12 extended pin that is respectively applied to the tenth extended pin of voltage signal input and output and the 11 extended pin and is used for earth connection.
Wherein, the quantity of the intrinsic pin of intrinsic pin set is five, comprise the first intrinsic pin for input and output voltage, be used for transmission "+" usb data signal/high-definition audio and video signal the second intrinsic pin, be used for transmission "-" usb data signal/high-definition audio and video signal the 3rd intrinsic pin, be used for the 4th intrinsic pin of transmission command signal and the 5th intrinsic pin that is used for earth connection.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: a kind of electronic equipment is provided, comprises USB jockey and main frame, main frame is electrically connected with the USB jockey, to realize transfer of data by USB jockey and peripheral hardware; The USB jockey comprises the base that is provided with intrinsic pin set and extended pin group; The extended pin group comprises at least a Function Extension pin for the audio frequency input and output that realize electronic equipment, composite video signal output, serial data input and output, recording input, external function control and voltage input and output function; Main frame comprises processing module and selects module; Processing module comprises the first functional interface that is electrically connected with the extended pin group, selects module to comprise the second functional interface that is electrically connected with intrinsic pin set; Select module to be connected optionally to make processing module output usb data or high-definition audio and video data with processing module.
Wherein, the quantity of the Function Extension pin of extended pin group is 12, comprises the first extended pin and the second extended pin that are respectively applied to the audio signal input and output, the 3rd extended pin that is used for composite video signal output, be used for transmitting the 4th extended pin and the 5th extended pin of serial data, the 6th extended pin that is used for the input of recording clock generator signal, the 7th extended pin that is used for the input of recording data signal, be used for transmitting the 8th extended pin and the 9th extended pin of external function control signal, the 12 extended pin that is respectively applied to the tenth extended pin of voltage signal input and output and the 11 extended pin and is used for earth connection.
Wherein, the first functional interface comprises: audio input interface is electrically connected with the first extended pin accordingly; The audio signal output interface is electrically connected with the second extended pin accordingly; The composite video signal output interface is electrically connected with the 3rd extended pin accordingly; Serial communication interface is electrically connected with the 4th extended pin and the 5th extended pin accordingly; The recorded audio signals input interface is electrically connected with the 6th extended pin and the 7th extended pin accordingly; The external function control interface is electrically connected with the 8th extended pin and the 9th extended pin accordingly; Voltage input and output interface is electrically connected with the tenth extended pin, the 11 extended pin and the 12 extended pin accordingly.
Wherein, the quantity of the intrinsic pin of intrinsic pin set is five, comprise the first intrinsic pin for input and output voltage, be used for transmission "+" usb data signal/high-definition audio and video signal the second intrinsic pin, be used for transmission "-" usb data signal/high-definition audio and video signal the 3rd intrinsic pin, be used for the 4th intrinsic pin of transmission command signal and the 5th intrinsic pin that is used for earth connection.
Wherein, the second functional interface comprises: usb data/high-definition audio and video data-interface is electrically connected with the second intrinsic pin, the 3rd intrinsic pin and the 4th intrinsic pin accordingly; Power supply interface is electrically connected with the first intrinsic pin and the 5th intrinsic pin accordingly.
Wherein, select module to comprise that power supply circuits and interconnective MHL select circuit and USB to select circuit; Processing module selects circuit to be connected with usb data/high-definition audio and video data-interface by MHL, to transmit usb data and high-definition audio and video data by usb data/high-definition audio and video data-interface; Processing module selects circuit to be connected with USB, to select circuit optionally to export usb data or high-definition audio and video data by USB; Processing module is connected with power supply interface by power supply circuits, by power supply interface peripheral hardware is powered/this electronic equipment is powered.
Wherein, main frame also comprises the USB-OTG module, and the USB-OTG module selects circuit and the second functional interface to be electrically connected with USB respectively, so that electronic equipment optionally carries out transfer of data as main equipment or from equipment and peripheral hardware.
The beneficial effects of the utility model are: USB jockey of the present utility model comprises the base that is provided with intrinsic pin and extended pin, realize the audio frequency input and output by making extended pin, composite video signal output, the serial data input and output, the recording input, at least a in external function control and the voltage input/output function, can be so that use the electronic equipment of this USB jockey only to need a USB jockey can realize more multi-functional transmission, realization patches with multiple peripheral hardware, reduce the quantity of electronic device connector, be conducive to the miniaturization development of electronic equipment.
Description of drawings
Fig. 1 is the structural representation of an execution mode of the utility model USB jockey;
Fig. 2 is the structural representation of an execution mode of the utility model electronic equipment;
Fig. 3 is the structural representation of another execution mode of electronic equipment of the present utility model;
Fig. 4 is the part circuit structure schematic diagram of the execution mode of electronic apparatus application in physical circuit of Fig. 3.
Embodiment
USB jockey of the present utility model and electronic equipment can reduce the quantity of electronic device connector, are conducive to the miniaturization development of electronic equipment.
Consult Fig. 1, an execution mode of the utility model USB jockey comprises base 100, and base 100 is provided with intrinsic pin set 101 and extended pin group 102.
Wherein, extended pin group 102 comprises at least a Function Extension pin of realizing audio frequency input and output, composite video signal output, serial data input and output, recording input, external function control and voltage input/output function.Can be so that the USB jockey can carry out the transmission of the several functions such as input and output of audio signal by extended pin group 102, realization patches with multiple peripheral hardware.
Particularly, the quantity of the Function Extension pin of extended pin group 102 is 12, comprises the first to the 12 extended pin.Wherein, the first extended pin 1021 is used for input audio signal, the second extended pin 1022 is used for output audio signal, the 3rd extended pin 1023 is used for the output composite video signal, the 4th extended pin 1024 and the 5th extended pin 1025 are used for transmitting serial data, the 6th extended pin 1026 is used for the input recording clock signal, the 7th extended pin 1027 is used for the input recording data-signal, the 8th extended pin 1028 and the 9th extended pin 1029 are used for transmitting the external function control signal, the tenth extended pin 10210 and the 11 extended pin 10211 are respectively applied to input voltage signal and output voltage signal, and the 12 pin 10212 is used for connecting ground wire.By each extended pin of extended pin group 102, can realize the transmission of corresponding data.
Base 100 also is provided with intrinsic pin set 101.The quantity of intrinsic pin set 101 is five, comprises the first to the 5th intrinsic pin.Wherein, the first intrinsic pin 1011 is used for input and output voltage.The second intrinsic pin 1012 and the 3rd intrinsic pin 1013 are used for transmission usb data signal and high-definition audio and video signal simultaneously, be specially the second intrinsic pin 1012 and be used for transmission "+" usb data signal/high-definition audio and video signal, the 3rd intrinsic pin 1013 is used for transmission "-" usb data signal/high-definition audio and video signal.By the second intrinsic pin 1012 and the 3rd intrinsic pin 1013 transmission difference usb data signal/high-definition audio and video signals, to realize usb data and high-definition audio and video data transfer.The 4th intrinsic pin 1014 is used for the transmission command signal, is the id command identification pin of USB jockey.The 5th intrinsic pin 1015 is used for earth connection.
In the present embodiment, intrinsic pin set 101 corresponds to MHL(Mobile High-Definition Link, the audio-visual standard interface of portable terminal) five pins of interface, namely the intrinsic pin set 101 by present embodiment can realize the MHL interface function.Therefore, intrinsic pin set 101 is at compatible Micro-USB(Micro-Universal Serial Bus, little USB) also can transmit the high-definition audio and video signal on the basis of interface transfer function.Only need use a bars cable by intrinsic pin set 101, by the HDMI(High Definition Multimedia Interface of standard, HDMI (High Definition Multimedia Interface)) input interface can directly transfer to complete multimedia film on the TV and not damage the high-resolution effect of multimedia film.
It should be noted that intrinsic pin set 101 and extended pin group 102 are that the pin of two groups of different sizes is integrated in the USB jockey of present embodiment, the part pin in also can selecting according to actual needs wherein a group or a group carries out transfer of data.
In the present embodiment, on the basis of intrinsic pin set 101, at base 100 extended pin group 102 is set, make the extended pin in the extended pin group 102 realize the audio frequency input and output, composite video signal output, the serial data input and output, the recording input, external function control and voltage input and output several functions, so that be provided with the electronic equipment of the USB jockey of present embodiment, can realize the several functions such as aforesaid audio signal input and output by a USB jockey, reduce the quantity of electronic device connector, be conducive to the miniaturization development of electronic equipment.
Consult Fig. 2, in the execution mode of the utility model electronic equipment, electronic equipment comprises USB jockey 20 and main frame 30.Main frame 30 is electrically connected with USB jockey 20, to realize transfer of data by USB jockey 20 and peripheral hardware 40.In the present embodiment, electronic equipment carries out exchanges data as main equipment and peripheral hardware 40, and accordingly conduct of peripheral hardware 40 is from equipment.This electronic equipment can be the main equipments such as panel computer, smart mobile phone, and peripheral hardware 40 can be that projecting apparatus, mobile phone, television set etc. are from equipment, including, but not limited to this.
Wherein, extended pin group 202 comprises at least a Function Extension pin for the audio frequency input and output that realize main frame 30, composite video signal output, serial data input and output, recording input, external function control and voltage input and output function.Processing module 301 comprises the first functional interface 3011 that is electrically connected with extended pin group 202, selects module 302 to comprise the second functional interface 3021 that is electrically connected with intrinsic pin set 201.And, select module 302 to be connected optionally to make main frame 30 by the second functional interface 3021 output usb data or high-definition audio and video data with processing module 301.
Particularly, the quantity of the Function Extension pin of extended pin group is 12, comprises the first to the 12 extended pin.Wherein, the first extended pin 2021 is used for input audio signal, the second extended pin 2022 is used for output audio signal, the 3rd extended pin 2023 is used for the output composite video signal, the 4th extended pin 2024 and the 5th extended pin 2025 are used for transmitting serial data, the 6th extended pin 2026 is used for the input recording clock signal, the 7th extended pin 2027 is used for the input recording data-signal, the 8th extended pin 2028 and the 9th extended pin 2029 are used for transmitting the external function control signal, the tenth extended pin 20210 and the 11 extended pin 20211 are respectively applied to input voltage signal and output voltage signal, and the 12 pin 20212 is used for connecting ground wire.
Further, the first functional interface 3011 of present embodiment comprises:
Audio signal output interface 30112 is electrically connected with the second extended pin 2022 accordingly, to realize that main frame 30 is by 20 pairs of peripheral hardware 40 output audio signals of USB jockey;
Composite video signal output interface 30113 is electrically connected with the 3rd extended pin 2023 accordingly, with to peripheral hardware 40 outputting video signals;
Recorded audio signals input interface 30115 is electrically connected with the 6th extended pin 2026 and the 7th extended pin 2027 accordingly, to realize the recorded audio signals input to main frame 30;
External function control interface 30116 is electrically connected with the 8th extended pin 2028 and the 9th extended pin 2029 accordingly;
Voltage input and output interface 30117 is electrically connected with the tenth extended pin 20210, the 11 extended pin 20211 and the 12 extended pin 20212 accordingly, to realize the voltage input and output function of main frame 30.
By the first functional interface 3011 is electrically connected with the corresponding extended pin of USB jockey 20, so that main frame 30 can be realized corresponding transfer of data by USB jockey 20 and peripheral hardware 40, the extended pin of USB jockey 20 is fully utilized.
In addition, the quantity of the intrinsic pin of the intrinsic pin set 201 of USB jockey 20 is five, comprise the first intrinsic pin 2011 for input and output voltage, be used for transmission "+" usb data signal/high-definition audio and video signal the second intrinsic pin 2012, be used for transmission "-" usb data signal/high-definition audio and video signal the 3rd intrinsic pin 2013, be used for the 4th intrinsic pin 2014 of transmission command signal and the 5th intrinsic pin 2015 that is used for earth connection.In the present embodiment, the second functional interface 3021 comprises:
Usb data/high-definition audio and video data-interface 30211 is electrically connected with the second intrinsic pin 2012, the 3rd intrinsic pin 2013 and the 4th intrinsic pin 2014 accordingly, to realize usb data or the high-definition audio and video data transfer of main frame 30 and peripheral hardware 40;
By the second functional interface 3021 is electrically connected with the corresponding intrinsic pin of USB jockey 20, so that main frame 30 can be realized usb data or high-definition audio and video data transfer by USB jockey 20, and can be to peripheral hardware 40 power supplies.
Further, select module 302 to comprise that interconnective MHL selects circuit 3022 and USB to select circuit 3023.Wherein MHL selects the usb data/high-definition audio and video data-interface 30211 in circuit 3022 and processing module 301 and the second functional interface 3021 to be connected, transmits usb data and high-definition audio and video data so that processing module 301 is passed through usb data/high-definition audio and video data-interface 30211.USB selects circuit 3023 to be connected with processing module 301, so that processing module 301 selects circuit 3023 output usb datas to MHL selection circuit 3022 by USB, and select circuit 3022 to export usb data/high-definition audio and video data-interface 30211 to by MHL, thereby transfer to peripheral hardware 40.Select module 302 also to comprise power supply circuits 3024.Processing module 301 is connected with power supply interface 30212 by power supply circuits 3024, passing through power supply interface 30212 realizations to the power supply of peripheral hardware 40, or by peripheral hardware this electronic equipment is powered.
Select module 302 to select circuit 3022, USB to select circuit 3023 and power supply circuits 3024 to be connected with processing module 301 by MHL, can optionally make 30 pairs of peripheral hardwares of main frame 40 carry out usb data or high-definition audio and video data transfer.Particularly, when peripheral hardware 40 access USB jockey 20, MHL selects circuit 3022 to detect the input signal of the 4th intrinsic pin 2014 of USB jockey 20.When the input signal that detects the 4th intrinsic pin 2014 was low level, main frame 30 carried out the usb data transmission with peripheral hardware 40.This moment, MHL selected circuit 3022 to select the path between the circuit 3022 to block processing module 301 and MHL, processing module 301 selects circuit 3023, MHL to select circuit 3022 to transfer to usb data/high-definition audio and video data-interface 30211 by USB usb data, usb data/high-definition audio and video data-interface 30211 transfers to peripheral hardware 40 with usb data by USB jockey 20, realizes that main frame 30 and the usb data of peripheral hardware 40 transmit.The input signal of selecting circuit 3022 to detect the 4th intrinsic pin 2014 as MHL is when following the signal of MHL agreement, 30 pairs of peripheral hardwares of main frame, 40 output high-definition audio and video data.At this moment, MHL selects circuit 3022 to select circuit 3023 and MHL to select the path between the circuit 3022 to block USB, processing module 301 is crossed MHL with the high-definition audio and video data communication device and is selected circuit 3022 to transfer to usb data/high-definition audio and video data-interface 30211, usb data/high-definition audio and video data-interface 30211 is crossed USB jockey 20 with the high-definition audio and video data communication device and is transferred to peripheral hardware 40, realizes the high-definition audio and video transfer of data of main frame 30 and peripheral hardware 40.
By as can be known above-mentioned, the electronic equipment of present embodiment by the first functional interface 3011 be connected functional interface 3021 and be connected with USB jockey 20, thereby can carry out the transmission of multiple different pieces of information by USB jockey 20 and peripheral hardware 40, namely only need to realize several functions by a USB jockey 20.And send corresponding communications command by processing module 301, can be so that main frame 30 optionally carries out the transmission of corresponding data by the extended pin group 202 of the first functional interface 3011 correspondences or the intrinsic pin set 201 of the second functional interface 3021 correspondences with peripheral hardware 40.The extended pin group 202 of USB jockey 20 and intrinsic pin set 201 are the pin set of two groups of different sizes.Peripheral hardware 40 is connected with main frame 30 by USB jockey 20, and need are by being connected with the suitable connectivity port of USB jockey 20, with the transfer of data of realization peripheral hardware 40 and main frame 30.Can adopt the structure of existing Micro-USB socket connector to realize or other similar structures realizations for the concrete structure design of USB jockey 20.And in the embodiments of the present invention, then be that the extended pin in the extended pin group 202 of USB jockey 20 is carried out the definition of difference in functionality, take full advantage of extended pin so that USB jockey 20 obtains enough expanded application, and realize different transfer of data in conjunction with corresponding circuit.
In summary, the electronic equipment of present embodiment, each pin in the extended pin group 202 of USB jockey 20 is carried out different definition, can realize corresponding data-transformation facility, by the first functional interface 3011 and the second functional interface 3021 are electrically connected with extended pin group 202 and the intrinsic pin set 201 of USB jockey 20 respectively, so that 30 need of main frame can carry out the several data transmission with peripheral hardware 40 by a USB jockey 20, realization patches with multiple peripheral hardware, reduce the quantity of electronic device connector, be conducive to the miniaturization development of electronic equipment.
In the above-mentioned execution mode, the electronic equipment acquiescence is carried out transfer of data as main equipment (Host) by USB jockey 20 and peripheral hardware 40, and accordingly conduct of peripheral hardware 40 is from equipment (Device).In another execution mode of electronic equipment of the present invention, electronic equipment both can be used as main equipment, also can be used as from equipment and peripheral hardware to carry out transfer of data.
Consult Fig. 3, in the electronic equipment of present embodiment, main frame 60 also comprises USB-OTG(USB-On-The-Go) module 602, USB-OTG module 602 selects circuit 6013 and the second functional interface 6011 to be electrically connected with USB respectively, can make electronic equipment optionally carry out transfer of data as main equipment or from equipment and peripheral hardware 70 by USB-OTG module 602.USB-OTG module 602 selects circuit 6013 to be connected with USB, and is connected with the 4th intrinsic pin 5014 of USB jockey 50 by usb data/high-definition audio and video data-interface 60111.When peripheral hardware 70 was connected to carry out transfer of data with main frame 60 by USB jockey 50, USB-OTG module 602 detected the input signal of the 4th intrinsic pin 5014 of USB jockey 50.When USB-OTG module 602 detects the 4th intrinsic pin 5014 for low level, USB-OTG module 602 is selected circuit 6013 feedback testing results to USB, USB selects circuit 6013 according to testing result electronic equipment to be connected with peripheral hardware 70 as main equipment, peripheral hardware 70 correspondingly conduct from equipment.And select circuit 6012 to detect the input signal of the 4th intrinsic pin 5014 and judge by MHL, then make the electronic equipment can be according to judged result optionally and carry out usb data or high-definition audio and video data transfer between the peripheral hardware 70.Concrete data transmission principle can carry out with reference to above-mentioned execution mode, does not give unnecessary details at this.When the input signal that detects the 4th intrinsic pin 5014 when USB-OTG module 602 is high level, USB-OTG module 602 is selected circuit 6013 feedback testing results to USB, USB selects circuit 6013 to make electronic equipment as being connected with peripheral hardware 70 from equipment according to testing result, and peripheral hardware 70 is correspondingly as main equipment.
Present embodiment only needs can carry out the several data transmission with peripheral hardware 70 by a USB jockey 50, and realization patches with multiple peripheral hardware, has reduced the quantity of electronic equipment jockey, is conducive to the miniaturization development of electronic equipment.And, can make electronic equipment both can be used as main equipment by USB-OTG module 602 and also can be used as from equipment and peripheral hardware 70 and carry out transfer of data, the application of electronic equipment is better expanded.
In order to understand better the operation principle of electronic equipment of the present invention, the present invention also provides an execution mode of the application of electronic equipment in physical circuit.Consult Fig. 4, and in conjunction with Fig. 3, Fig. 4 is the part circuit structure schematic diagram of the execution mode of electronic apparatus application in physical circuit of Fig. 3, wherein, the MSM8660 processor 401 corresponding functions that realize processing module 603.The MHLswitch module 402 corresponding MHL of realization select the function of circuit 6012, and MSM8660 processor 401 is crossed 402 outputs of MHL switch module with the high-definition audio and video data communication device.The GPIO(General Purpose Input Output of the USB_ID pin of MSM8660 processor 401 and high pass PM8058 chip (not shown), general input/output port) _ 37 pin connects, and be connected with the GPIO_36 of high pass PM8058 chip by a field effect transistor, so that when outside detecting, being made as main equipment and inserting, drag down the USB_ID pin of MSM8660 processor 401.The USB switch module 403 corresponding USB of realization select the function of circuit 6013, it need pass through resistance R 1 ground connection, and be connected with the GPIO_11 pin of high pass PM8058 chip, be made as main equipment or from equipment outward by what GPIO_11 made that USBswitch can identify insertion.Current limliting chip (Current limitic) 404 is connected with the GPIO_10 pin of high pass PM8058 chip, with 404 pairs of peripheral hardware power supplies of control current limliting chip.Power supply chip (Charge IC) 405 is used for realizing the function of supplying power of corresponding USB_OTG module 602.Connectivity port 406 corresponds to USB jockey 50.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (10)
1. a USB jockey is characterized in that, comprises the base that is provided with intrinsic pin set and extended pin group;
Described extended pin group comprises at least a Function Extension pin of realizing audio frequency input and output, composite video signal output, serial data input and output, recording input, external function control and voltage input/output function.
2. USB jockey according to claim 1 is characterized in that,
The quantity of the Function Extension pin of described extended pin group is 12, comprises the first extended pin and the second extended pin that are respectively applied to the audio signal input and output, the 3rd extended pin that is used for composite video signal output, be used for transmitting the 4th extended pin and the 5th extended pin of serial data, the 6th extended pin that is used for the input of recording clock generator signal, the 7th extended pin that is used for the input of recording data signal, be used for transmitting the 8th extended pin and the 9th extended pin of external function control signal, the 12 extended pin that is respectively applied to the tenth extended pin of voltage signal input and output and the 11 extended pin and is used for earth connection.
3. USB jockey according to claim 1 is characterized in that,
The quantity of the intrinsic pin of described intrinsic pin set is five, comprise the first intrinsic pin for input and output voltage, be used for transmission "+" usb data signal/high-definition audio and video signal the second intrinsic pin, be used for transmission "-" usb data signal/high-definition audio and video signal the 3rd intrinsic pin, be used for the 4th intrinsic pin of transmission command signal and the 5th intrinsic pin that is used for earth connection.
4. an electronic equipment is characterized in that, comprises USB jockey and main frame, and described main frame is electrically connected with the USB jockey, to realize transfer of data by USB jockey and peripheral hardware;
Described USB jockey comprises the base that is provided with intrinsic pin set and extended pin group;
Described extended pin group comprises at least a Function Extension pin for the audio frequency input and output that realize described electronic equipment, composite video signal output, serial data input and output, recording input, external function control and voltage input and output function;
Described main frame comprises processing module and selects module;
Described processing module comprises the first functional interface that is electrically connected with described extended pin group, and described selection module comprises the second functional interface that is electrically connected with described intrinsic pin set;
Described selection module is connected optionally to make processing module output usb data or high-definition audio and video data with processing module.
5. electronic equipment according to claim 4 is characterized in that,
The quantity of the Function Extension pin of described extended pin group is 12, comprises the first extended pin and the second extended pin that are respectively applied to the audio signal input and output, the 3rd extended pin that is used for composite video signal output, be used for transmitting the 4th extended pin and the 5th extended pin of serial data, the 6th extended pin that is used for the input of recording clock generator signal, the 7th extended pin that is used for the input of recording data signal, be used for transmitting the 8th extended pin and the 9th extended pin of external function control signal, the 12 extended pin that is respectively applied to the tenth extended pin of voltage signal input and output and the 11 extended pin and is used for earth connection.
6. electronic equipment according to claim 5 is characterized in that, described the first functional interface comprises:
Audio input interface is electrically connected with described the first extended pin accordingly;
The audio signal output interface is electrically connected with described the second extended pin accordingly;
The composite video signal output interface is electrically connected with described the 3rd extended pin accordingly;
Serial communication interface is electrically connected with described the 4th extended pin and the 5th extended pin accordingly;
The recorded audio signals input interface is electrically connected with described the 6th extended pin and the 7th extended pin accordingly;
The external function control interface is electrically connected with described the 8th extended pin and the 9th extended pin accordingly;
Voltage input and output interface is electrically connected with described the tenth extended pin, the 11 extended pin and the 12 extended pin accordingly.
7. electronic equipment according to claim 4 is characterized in that,
The quantity of the intrinsic pin of described intrinsic pin set is five, comprise the first intrinsic pin for input and output voltage, be used for transmission "+" usb data signal/high-definition audio and video signal the second intrinsic pin, be used for transmission "-" usb data signal/high-definition audio and video signal the 3rd intrinsic pin, be used for the 4th intrinsic pin of transmission command signal and the 5th intrinsic pin that is used for earth connection.
8. electronic equipment according to claim 4 is characterized in that, described the second functional interface comprises:
Usb data/high-definition audio and video data-interface is electrically connected with the described second intrinsic pin, the 3rd intrinsic pin and the 4th intrinsic pin accordingly;
Power supply interface is electrically connected with the described first intrinsic pin and the 5th intrinsic pin accordingly.
9. electronic equipment according to claim 8 is characterized in that,
Described selection module comprises that power supply circuits and interconnective MHL select circuit and USB to select circuit;
Described processing module selects circuit to be connected with described usb data/high-definition audio and video data-interface by MHL, to transmit usb data and high-definition audio and video data by usb data/high-definition audio and video data-interface;
Described processing module selects circuit to be connected with described USB, selects circuit to select circuit output usb data by USB to MHL, and exports usb data/high-definition audio and video data-interface to by MHL selection circuit;
Described processing module is connected with described power supply interface by power supply circuits, by power supply interface peripheral hardware is powered/this electronic equipment is powered.
10. electronic equipment according to claim 4 is characterized in that,
Described main frame also comprises the USB-OTG module, and described USB-OTG module selects circuit and the second functional interface to be electrically connected with described USB respectively, so that electronic equipment optionally carries out transfer of data as main equipment or from equipment and peripheral hardware.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203848339U CN202772373U (en) | 2012-08-03 | 2012-08-03 | USB connecting device and electronic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203848339U CN202772373U (en) | 2012-08-03 | 2012-08-03 | USB connecting device and electronic device |
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| CN202772373U true CN202772373U (en) | 2013-03-06 |
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| CN2012203848339U Expired - Lifetime CN202772373U (en) | 2012-08-03 | 2012-08-03 | USB connecting device and electronic device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017182001A1 (en) * | 2016-04-22 | 2017-10-26 | 深圳市中兴微电子技术有限公司 | Method and device for interface configuration, and computer storage medium |
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2012
- 2012-08-03 CN CN2012203848339U patent/CN202772373U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017182001A1 (en) * | 2016-04-22 | 2017-10-26 | 深圳市中兴微电子技术有限公司 | Method and device for interface configuration, and computer storage medium |
| CN107306000A (en) * | 2016-04-22 | 2017-10-31 | 深圳市中兴微电子技术有限公司 | A kind of method and apparatus of interface configuration |
| CN107306000B (en) * | 2016-04-22 | 2019-09-13 | 深圳市中兴微电子技术有限公司 | A kind of method and apparatus of interface configuration |
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Granted publication date: 20130306 |