CN107807892A - A kind of USB TYPE C turn USB3.0 method and adapter - Google Patents

A kind of USB TYPE C turn USB3.0 method and adapter Download PDF

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Publication number
CN107807892A
CN107807892A CN201711135811.2A CN201711135811A CN107807892A CN 107807892 A CN107807892 A CN 107807892A CN 201711135811 A CN201711135811 A CN 201711135811A CN 107807892 A CN107807892 A CN 107807892A
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CN
China
Prior art keywords
pin
interfaces
type
data
pin set
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Granted
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CN201711135811.2A
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Chinese (zh)
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CN107807892B (en
Inventor
王友初
虞俊星
邱春华
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Shenzhen Augmented Reality Technology Co Ltd
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Shenzhen Augmented Reality Technology Co Ltd
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Priority to CN201711135811.2A priority Critical patent/CN107807892B/en
Publication of CN107807892A publication Critical patent/CN107807892A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38Information transfer, e.g. on bus
    • G06F13/382Information transfer, e.g. on bus using universal interface adapter
    • G06F13/385Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0042Universal serial bus [USB]
    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/38Universal adapter
    • G06F2213/3852Converter between protocols

Abstract

The present invention discloses adapter and method that a kind of USB TYPE C turn USB3.0, and methods described includes:The grafting direction of the outside TYPE C interface connected according to TYPE C interface described in the signal detection of a CC pin of TYPE C interface, and the grafting direction according to the outside TYPE C interface detected, make the data pin optionally connection corresponding with the first pin set of TYPE C interface and the data pin of second pin group of USB3.0 interfaces.The present invention can be with the grafting direction of TYPC C interface outside automatic identification, while plays the high speed performance of TYPE C interface, and TYPE C interface is switched into USB3.0 interfaces.

Description

A kind of USB TYPE-C turn USB3.0 method and adapter
Technical field
The present invention relates to electronic circuit field, turn USB3.0 method and adapter more particularly to a kind of TYPE-C.
Background technology
With the continuous progress of science and technology, USB communications on various electronic equipments using widely with maturation, and people Requirement to communication speed improves constantly, and USB communications protocol also constantly upgrades, and shows that also form is totally different on communication interface.Such as Modern consumer-elcetronics devices increasingly emphasizes that Consumer's Experience and multimedia file capacity are increasing, and TYPE-C interfaces support positive anti-plug Communication modes to be increasingly becoming increasing vendor equipment preferred.But USB2.0 and USB3.0 equipment commercially also has Very big proportion.Have the adapter that TYPE-C turns USB2.0 in the market, but the transmission speed of USB2.0 interfaces is relatively low, can not Meet requirement of the user to high speed communication.
The content of the invention
One aspect of the present invention provides the adapter that a kind of USB TYPE-C turn USB3.0, including:
TYPE-C interfaces, including the first pin set and second pin group set side by side, the pin of first pin set Identical and oppositely arranged with the pin of second pin group, both of which is drawn including power pins, grounding pin, CC pins and data Pin;
USB3.0 interfaces, including the 3rd pin set, the 3rd pin set include power pins, grounding pin and data Pin;
Circuit is detected, described in the signal detection for being configured as CC pins according to first pin set or second pin group The grafting direction for the outside TYPE-C interfaces that TYPE-C interfaces are connected;And
Switching circuit, it is make the USB3.0 interfaces during positive grafting to be configured as the outside TYPE-C interfaces The data pin of three pin sets connection corresponding with the data pin of first pin set, when the outside TYPE-C interfaces are anti- It is corresponding with the data pin of the second pin group to the data pin for the 3rd pin set for making the USB3.0 interfaces during grafting Connection.
Preferably, the detection circuit includes switching transistor, the CC pins of first pin set or second pin group Connect the control terminal of the switching transistor, the output end outbound course detection signal of the switching transistor.
Preferably, the detection circuit includes NPN type triode, the base stage connection described first of the NPN type triode The CC pins of pin set or second pin group, colelctor electrode connect power supply and outbound course detection signal, emitter stage through pull-up resistor Ground connection.
Preferably, the switching circuit includes TYPE-C signal conversion chips, including the 4th pin set, the 5th pin set and 6th pin set, the 4th pin set connect the high-speed data pin of first pin set, described in the connection of the 5th pin set The high-speed data pin of second pin group, the 6th pin set connect the high-speed data pin of the USB3.0, the TYPE-C letters Number it is configured as making the 6th pin set and the 4th pin set shape when the outside TYPE-C interfaces are positive grafting Into communication channel, make the 6th pin set and the 5th pin set shape when the outside TYPE-C interfaces are reverse grafting Into communication channel.
Preferably, the detection angle detecting signal of circuit output one, the TYPE-C signals conversion chip and the side Connected to detection signal.
Preferably, also include the electricity being connected between the TYPE-C interfaces and the detection circuit and/or switching circuit Voltage conversion circuit, the voltage conversion circuit are configured as the voltage conversion for being connected the power pins of the TYPE-C interfaces To be supplied to the detection circuit and/or switching circuit after a low voltage.
Preferably, the TYPE-C interfaces are public plug, the USB3.0 interfaces are female.
The present invention also provides a kind of method that USB TYPE-C turn USB3.0, including:
The outside TYPE-C connected according to TYPE-C interfaces described in the signal detection of a CC pin of TYPE-C interfaces The grafting direction of interface, the TYPE-C interfaces include the first pin set and second pin group set side by side, and described first draws The pin of pin group is identical and oppositely arranged with the pin of second pin group, and both of which includes power pins, grounding pin, data and drawn Pin and the CC pins;And
According to the grafting direction of the outside TYPE-C interfaces detected, make the data pin of USB3.0 interfaces selective Ground connection corresponding with the data pin of first pin set and second pin group.
Preferably, the CC leg signals according to TYPE-C interfaces detect the outside that the TYPE-C interfaces are connected The grafting direction of TYPE-C interfaces is specially:Level detection according to the CC leg signals of TYPE-C interfaces is connected outer The grafting direction of portion's TYPE-C interfaces.
Preferably, the grafting direction according to the outside TYPE-C interfaces detected, draws the data of USB3.0 interfaces Optionally connection corresponding with the data pin of first pin set and second pin group includes pin:
The the 4th to the 6th pin set of a TYPE-C signal conversion chips is set to connect the high speed of first pin set respectively The high-speed data pin of data pin, the high-speed data pin of the second pin group and USB3.0;And
It is logical that the outside TYPE-C interfaces make the 6th pin set be formed with the 4th pin set when being positive grafting Path is interrogated, the outside TYPE-C interfaces make the 6th pin set form communication with the 5th pin set when being reverse grafting Path.
According to embodiments of the invention, it can play TYPE-C with the grafting direction of TYPC-C interfaces outside automatic identification and connect The high speed performance of mouth, TYPE-C interfaces are switched into USB3.0 interface of the speed far above USB2.0, solves and leads in the market The TYPE-C of stream turns USB2.0 mode transmission speed deficiency, and TYPE-C interfaces can not dock asking for USB3.0 high-speed interfaces Topic, electronic equipment of the in the market using TYPE-C interfaces is set to be communicated with the electronic equipment using USB3.0, the speed of service is high It is and easy to use.
Brief description of the drawings
Fig. 1 is the circuit block diagram that the USB TYPE-C of one embodiment of the invention turn USB3.0 adapter;
Fig. 2 is that the pin of the TYPE-C interfaces of adapter in Fig. 1 defines schematic diagram;
Fig. 3 is a kind of circuit theory diagrams of the TYPE-C interfaces of adapter in Fig. 1;
Fig. 4 is that the pin of the USB3.0 interfaces of adapter in Fig. 1 defines schematic diagram;
Fig. 5 is a kind of circuit theory diagrams of the USB3.0 interfaces of adapter in Fig. 1;
Fig. 6 is a kind of circuit theory diagrams of the detection circuit of adapter in Fig. 1;
Fig. 7 is a kind of circuit theory diagrams of the switching circuit of adapter in Fig. 1;
Fig. 8 is the flow chart that the TPYE-C of one embodiment of the invention turns USB3.0 method.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar component or the component with same or like function.Below with reference to attached The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
In some flows of description in description and claims of this specification and above-mentioned accompanying drawing, contain according to Particular order occur multiple operations, but it should be clearly understood that these operation can not occur herein according to it is suitable Sequence is performed or performed parallel, sequence number such as S1, S2 of operation etc., is only used for distinguishing each different operation, sequence number sheet Body does not represent any execution sequence.In addition, these flows can include more or less operations, and these operations can be with Perform or perform parallel in order.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc. Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected;It can be machine Tool connects or electrical connection;Can be joined directly together, can also be indirectly connected by intermediary, can be two members Connection inside part.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be Concrete meaning in bright.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, the every other implementation that those skilled in the art are obtained under the premise of creative work is not made Example, belongs to the scope of protection of the invention.
Refering to Fig. 1, a kind of USB TYPE-C that one embodiment of the invention provides, which turn USB3.0 adapter 10, includes TYPE- C interface 12, USB3.0 interfaces 14, detection circuit 16 and switching circuit 18.
TYPE-C interfaces 12 include the first pin set and second pin group set side by side, the pin of first pin set Identical and oppositely arranged with the pin of second pin group, both of which is drawn including power pins, grounding pin, CC pins and data Pin.USB TPYE-C interfaces are industry standard interfaces, specifically, as shown in Fig. 2 being defined as 24 pins, are divided to two rows arranged side by side Oppositely arranged, each row is a pin set, each pin set include 2 power pins VBUS, 2 grounding pin GND, 1 CC pins, 1 auxiliary signal pin SBU and 6 data pins SBU, D+, D-, RX+, RX-, TX+, TX-;In 6 data pins D+ and D- is used for the differential data signals of the compatible interfaces of USB 2.0, and RX+, RX-, TX+, TX- are used to connect high-speed data signal. Fig. 3 shows a kind of circuit theory diagrams of TYPE-C interfaces, and wherein CC1 pins and CC2 pins can be grounded through pull down resistor respectively.
USB3.0 interfaces 14 include one group of pin (also referred to as the 3rd pin set), and this group of pin includes power pins, connect Ground pin and data pin.USB3.0 interfaces are also industry standard interfaces, specifically, as shown in figure 4, being defined as 9 Pin, respectively 1 power pins VBUS, 2 grounding pin GND and 6 data pins.D+ and D- is used in 6 data pins In the differential data signals of compatible USB2.0 interfaces, RX+, RX-, TX+, TX- are respectively used to connect high speed differential data signal.Figure 5 show a kind of circuit theory diagrams of USB3.0 interfaces 14.
Detection circuit 16 is configured as the CC pins of the first pin set or second pin group according to TYPE-C interfaces 12 The grafting direction for the outside TYPE-C interfaces that TYPE-C interfaces 12 described in signal detection are connected.Preferably, detection circuit 16 can Including switching transistor, the control terminal of the CC pin connecting valve transistors of TYPE-C interfaces 12, the output end of switching transistor Export an angle detecting signal.Fig. 6 shows a kind of implementation of detection circuit 16, and detection circuit 16 includes the pole of NPN type three Pipe Q, NPN type triode Q base stage connect the CC1 pins of the first pin set, and colelctor electrode connects power supply (in this example through pull-up resistor For 3.3V direct currents), grounded emitter, angle detecting signal CC_SEL exports from colelctor electrode.It is appreciated that detection circuit 16 Can be by other suitable circuit realirations.In this example, detection circuit 16 is examined by detecting the CC1 pins outbound course of the first pin set Survey signal, it will be understood that detection circuit can also be by detecting the CC2 pin outbound course detection signals of second pin group.
Switching circuit 18 is configured as making the USB3.0 interfaces 14 when the outside TYPE-C interfaces are positive grafting Pin set data pin connection corresponding with the data pin of first pin set, when the outside TYPE-C interfaces are anti- Corresponding with the data pin of the second pin group connect to the data pin for the pin set for making the USB3.0 interfaces 14 during grafting It is logical.
In the present embodiment, preferably, the TYPE-C signal conversion chips that the switching circuit 18 may include, are completed by chip High-speed data pin RX+, RX-, TX+, TX- communication line selection switching, so as to reduce component count and reduce circuit The volume of plate.Fig. 7 shows a kind of implementation of switching circuit 18, wherein the TYPE-C signals for employing model EJ179S turn Chip is changed, the D_SET pin closure detection signal CC_SEL of the chip, three groups of pins of the chip (are referred to as the 4th To the 6th pin set) three groups of high-speed data pins of connection TYPE-C interfaces 12 and USB3.0 interfaces 14, wherein the 4th pin set High-speed data pin SSTX1+, SSTX1-, SSRX2+ and SSRX2- of the first pin set are connected, the 5th pin set connection second is drawn High-speed data pin SSTX2, SSTX2-, SSRX1+, SSRX2- of pin group, the 6th pin set connect the high speed number of USB3.0 interfaces According to pin SSTXM_C_UP, SSTXP_C_UP, SSRXM_C_UP and SSRXP_C_UP, the TYPE-C signals conversion chip by with Be set to when angle detecting signal CC_SEL represents that outside TYPE-C interfaces are positive grafting make the 6th pin set with it is described 4th pin set forms communication channel, so that the high-speed data pin of USB3.0 interfaces 14 draws with the first of TYPE-C interfaces 12 The high-speed data pin of pin group is corresponding to be connected, when it is reverse grafting that angle detecting signal CC_SEL, which represents outside TYPE-C interfaces, The 6th pin set is set to form communication channel with the 5th pin set, so that the high-speed data pin of USB3.0 interfaces 14 Connection corresponding with the high-speed data pin of the second pin group of TYPE-C interfaces 12.
First pin set of TYPE-C interfaces and the D+ in second pin group and D- are respectively defined in A6A7 pins and B6B7 Pin, both symmetrical configurations, it is directly connected to the D+ and D- of USB3.0 interfaces, it is possible to achieve for the simultaneous of USB2.0 interfaces Hold.
Preferably, conversion head 10 also includes being connected between TYPE-C interfaces 12 and detection circuit 16 and switching circuit 18 Voltage conversion circuit 20.The power pins VBUS of TYPE-C interfaces 12 generally connects 5V or the voltage more than 5V, voltage conversion circuit 20 voltage conversions that can be connected the power pins of TYPE-C interfaces 12 are electric to be supplied to the detection after 3.3 relatively low voltages Road 16 and/or switching circuit 18.Preferably, suitable voltage conversion chip existing on the market can be selected in voltage conversion circuit 20 Realize.
In the present embodiment, preferably, the TYPE-C interfaces 12 of conversion head are public plug, USB3.0 interfaces 14 are female, It is appreciated that the present invention is not limited thereto.
With reference to figure 8, the present invention also provides a kind of method that USB TYPE-C turn USB3.0, including:
S1, the outside TYPE-C connected according to TYPE-C interfaces described in the signal detection of the CC pins of TYPE-C interfaces connect The grafting direction of mouth, the TYPE-C interfaces include the first pin set and second pin group set side by side, first pin The pin of group is identical and oppositely arranged with the pin of second pin group, and both of which includes power pins, grounding pin, data pin And CC pins.Preferably, connected outside TYPE-C can be detected according to the level of the CC leg signals of TYPE-C interfaces The grafting direction of interface.
S2, the grafting direction according to the outside TYPE-C interfaces detected, select the data pin of USB3.0 interfaces Selecting property it is corresponding with the data pin of first pin set and second pin group connection.
Preferably, the 4th to the 6th pin set of a TYPE-C signal conversion chips is set to connect the of TYPE-C interfaces respectively The high-speed data pin of the high-speed data pin of one pin set, the high-speed data pin of second pin group and USB3.0;And institute Stating makes the 6th pin set form communication channel with the 4th pin set when outside TYPE-C interfaces are positive grafting, described Outside TYPE-C interfaces make the 6th pin set form communication channel with the 5th pin set when being reverse grafting.
According to embodiments of the invention, TYPE-C interfaces outside the CC pins automatic identification of TYPE-C interfaces can be utilized Grafting direction, the high speed performance of TYPE-C interfaces is played, TYPE-C interfaces are switched into USB3.0 of the speed far above USB2.0 connects Mouthful, the TYPE-C for solving main flow in the market turns USB2.0 mode transmission speed deficiency, and TYPE-C interfaces can not be right The problem of connecing USB3.0 high-speed interfaces, allow electronic equipment of the in the market using TYPE-C interfaces and the electronics using USB3.0 Device talk, the speed of service are high and easy to use.
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations Technical field, it is included within the scope of the present invention.

Claims (10)

1. a kind of USB TYPE-C turn USB3.0 adapter, including:
TYPE-C interfaces, including the first pin set and second pin group set side by side, the pin of first pin set and The pin of two pin sets is identical and oppositely arranged, and both of which includes power pins, grounding pin, CC pins and data pin;
USB3.0 interfaces, including the 3rd pin set, the 3rd pin set include power pins, grounding pin and data and drawn Pin;
Circuit is detected, described in the signal detection for being configured as CC pins according to first pin set or second pin group The grafting direction for the outside TYPE-C interfaces that TYPE-C interfaces are connected;And
Switching circuit, it is to make the 3rd of the USB3.0 interfaces to draw during positive grafting to be configured as the outside TYPE-C interfaces The data pin of pin group connection corresponding with the data pin of first pin set, when the outside TYPE-C interfaces are reversely slotting Make the data pin connection corresponding with the data pin of the second pin group of the 3rd pin set of the USB3.0 interfaces when connecing.
2. adapter as claimed in claim 1, it is characterised in that the detection circuit includes switching transistor, and described first The CC pins of pin set or second pin group connect the control terminal of the switching transistor, and the output end of the switching transistor is defeated Outgoing direction detection signal.
3. adapter as claimed in claim 1, it is characterised in that the detection circuit includes NPN type triode, the NPN The base stage of type triode connects the CC pins of first pin set or second pin group, and colelctor electrode connects power supply through pull-up resistor And outbound course detection signal, grounded emitter.
4. adapter as claimed in claim 1, it is characterised in that the switching circuit includes TYPE-C signal conversion chips, Including the 4th pin set, the 5th pin set and the 6th pin set, the 4th pin set connects the high speed of first pin set Data pin, the 5th pin set connect the high-speed data pin of the second pin group, and the 6th pin set connects the USB3.0 High-speed data pin, the TYPE-C signals are configured as making described when the outside TYPE-C interfaces are positive grafting Six pin sets and the 4th pin set form communication channel, and described the is made when the outside TYPE-C interfaces are reverse grafting Six pin sets form communication channel with the 5th pin set.
5. adapter as claimed in claim 4, it is characterised in that the detection angle detecting signal of circuit output one, it is described TYPE-C signals conversion chip is connected with the angle detecting signal.
6. the adapter as described in any one of claim 1 to 5, it is characterised in that also include being connected to the TYPE-C interfaces With the voltage conversion circuit between the detection circuit and/or switching circuit, the voltage conversion circuit is configured as will be described The voltage conversion that the power pins of TYPE-C interfaces are connected is to be supplied to the detection circuit and/or switching after a low voltage Circuit.
7. the adapter as described in any one of claim 1 to 5, it is characterised in that the TYPE-C interfaces are public plug, described USB3.0 interfaces are female.
8. a kind of method that USB TYPE-C turn USB3.0, including:
The outside TYPE-C interfaces connected according to TYPE-C interfaces described in the signal detection of a CC pin of TYPE-C interfaces Grafting direction, the TYPE-C interfaces include side by side and the first pin set and second pin group that set, first pin set Pin it is identical and oppositely arranged with the pin of second pin group, both of which include power pins, grounding pin, data pin and The CC pins;And
According to the grafting direction of the outside TYPE-C interfaces detected, make the data pins of USB3.0 interfaces optionally with First pin set is corresponded to the data pin of second pin group and connected.
9. method as claimed in claim 8, it is characterised in that described in the CC leg signals detection according to TYPE-C interfaces The grafting direction for the outside TYPE-C interfaces that TYPE-C interfaces are connected is specially:The CC leg signals of foundation TYPE-C interfaces Level detects the grafting direction of connected outside TYPE-C interfaces.
10. method as claimed in claim 8 or 9, it is characterised in that make the data pins of USB3.0 interfaces optionally with institute State the first pin set and second pin group data pin it is corresponding connect including:
The the 4th to the 6th pin set of a TYPE-C signal conversion chips is set to connect the high-speed data of first pin set respectively The high-speed data pin of pin, the high-speed data pin of the second pin group and USB3.0;And
The outside TYPE-C interfaces make the 6th pin set and the 4th pin set formation communication logical when being positive grafting Road, the outside TYPE-C interfaces make the 6th pin set and the 5th pin set formation communication logical when being reverse grafting Road.
CN201711135811.2A 2017-11-14 2017-11-14 Method for converting USB TYPE-C into USB3.0 and adapter Active CN107807892B (en)

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CN107807892B CN107807892B (en) 2019-12-24

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WO2019183787A1 (en) * 2018-03-27 2019-10-03 华为技术有限公司 Terminal device, debugging card and debugging method
CN111552656A (en) * 2020-05-20 2020-08-18 深圳市广和通无线股份有限公司 Development board Type-C interface connection circuit
CN111930657A (en) * 2020-05-29 2020-11-13 深圳市广和通无线股份有限公司 Connection circuit, control method of connection circuit, and connection device
CN112037443A (en) * 2020-11-06 2020-12-04 南京研利科技有限公司 Money collection prompting device, method for prompting money collection, and storage medium
CN112186446A (en) * 2020-09-07 2021-01-05 苏州浪潮智能科技有限公司 USB interface expansion device and electronic equipment
CN113987991A (en) * 2021-09-29 2022-01-28 展讯半导体(南京)有限公司 Signal transmission device and electronic equipment

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US20170229823A1 (en) * 2016-02-04 2017-08-10 Advanced-Connectek Inc. Electrical receptacle connector
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Publication number Priority date Publication date Assignee Title
WO2019183787A1 (en) * 2018-03-27 2019-10-03 华为技术有限公司 Terminal device, debugging card and debugging method
CN111552656A (en) * 2020-05-20 2020-08-18 深圳市广和通无线股份有限公司 Development board Type-C interface connection circuit
CN111930657A (en) * 2020-05-29 2020-11-13 深圳市广和通无线股份有限公司 Connection circuit, control method of connection circuit, and connection device
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CN113987991A (en) * 2021-09-29 2022-01-28 展讯半导体(南京)有限公司 Signal transmission device and electronic equipment

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