CN208861270U - A kind of Type-C interface Audio transmission structure and mobile terminal - Google Patents
A kind of Type-C interface Audio transmission structure and mobile terminal Download PDFInfo
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- CN208861270U CN208861270U CN201821345987.0U CN201821345987U CN208861270U CN 208861270 U CN208861270 U CN 208861270U CN 201821345987 U CN201821345987 U CN 201821345987U CN 208861270 U CN208861270 U CN 208861270U
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Abstract
It includes processor, audio converter and Type-C interface device that the utility model, which provides a kind of Type-C interface Audio transmission structure and mobile terminal, the structure,；The processor and the audio converter pass through data/address bus and I2The connection of C bus；The audio converter includes switch module and audio data transmission channel, the switch module is arranged between the processor and the audio transmission access, the switch module is connect with the data/address bus, wherein, the audio transmission access includes the audio translated channel being set side by side and audio through path, is provided with digital analog converter on the audio translated channel；The Type-C interface device is connect with the audio transmission access.A kind of Type-C interface Audio transmission structure provided by the utility model, pass through the integrated switch module in audio converter and audio transmission access, to realize that the single face using processor transmits audio data, audio transmission structure is simplified, use cost can be reduced.
Description
Technical field
The utility model embodiment be related to mechanical structure field more particularly to a kind of Type-C interface Audio transmission structure and
Mobile terminal.
Background technique
As the function of mobile terminal increases, interior layout Space Day is becoming tight, thus, to increase mobile terminal
Interior layout space, partial movement terminal, which has been selected, cancels 3.5mm earphone socket to obtain more arrangement spaces, by making
Use Type-C interface as charging and audio interface.
Fig. 1 gives the schematic diagram of Type-C interface Audio transmission structure common at present, I2C(Inter-
Integrated Circuit, inter-integrated circuit) bus transfer control switch 12 signal and control digital analog converter 11
Register, I2S bus (Inter-IC Sound, integrated circuit built-in audio bus) is used for transmission audio data, switch 12
With two different conduction positions of A, B, by selecting different conduction positions, it can be achieved that digital audio and video signals or analogue audio frequency
The output of signal.However, processor 10 needs to transmit digital audio and video signals respectively by two interfaces in above-mentioned transmission structure
To switch 12 and digital analog converter 11, it is seen that two accesses transmitted is digital signal, to the interface of processor in the structure
In the presence of occupancy, complexity and redundancy is repeated, not enough succinctly.
Utility model content
The utility model provides a kind of Type-C interface Audio transmission structure and mobile terminal, to save the bus of processor
Interface simplifies audio transmission structure.
It is according to the present utility model in a first aspect, provide a kind of Type-C interface Audio transmission structure, the structure packet
Include processor, audio converter and Type-C interface device；
The processor and the audio converter pass through data/address bus and I2The connection of C bus；
The audio converter includes switch module and audio data transmission channel, and the switch module is arranged at the place
It manages between device and the audio transmission access, the switch module is connect with the data/address bus, wherein the audio transmission is logical
Road includes the audio translated channel being set side by side and audio through path, is provided with digital-to-analogue conversion on the audio translated channel
Device；
The Type-C interface device is connect with the audio transmission access.
Second aspect according to the present utility model, provides a kind of mobile terminal, and the mobile terminal includes above-mentioned
Type-C interface Audio transmission structure.
Compared with prior art, the utility model at least has the following advantages:
A kind of Type-C interface Audio transmission structure provided by the utility model, passes through the integrated switch in audio converter
Module and audio transmission access transmit audio data using the single face of processor to can realize, simplify audio transmission
Structure can reduce use cost, reserve interface for processor and realize other functions.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of Type-C interface Audio transmission structure of the utility model prior art；
Fig. 2 is a kind of schematic diagram of Type-C interface Audio transmission structure in the utility model embodiment；
Fig. 3 is the first method schematic diagram of Type-C interface Audio transmission structure in the utility model embodiment；
Fig. 4 is the second method schematic diagram of Type-C interface Audio transmission structure in the utility model embodiment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that the embodiments are a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
A kind of Kato supporting structure provided by the utility model and shifting is discussed in detail below by specific embodiment is enumerated
Dynamic terminal.
Referring to Fig. 2, the utility model provides a kind of Type-C interface Audio transmission structure, and the structure includes processor
20, audio converter 21 and Type-C interface device 22；
The processor 20 passes through data/address bus 23 and I with the audio converter 212C bus 24 connects；
The audio converter 21 includes switch module 211 and audio transmission access 212, and the switch module 211 is arranged
Between the processor 20 and the audio transmission access 212, the switch module 211 is connect with the data/address bus 23,
Wherein, the audio transmission access 212 includes the audio translated channel 2121 being set side by side and audio through path 2122, described
Digital analog converter 21211 is provided on audio translated channel 2121；
The Type-C interface device 22 is connect with the audio transmission access 212.
Specifically, as shown in Fig. 2, Type-C interface Audio transmission structure provided by the utility model, the structure include
Processor 20, audio converter 21 and Type-C interface device 22；Processor 20 is CPU, can carry out concentrate tube to audio data
Reason and output.Digital audio-frequency data can be directly output to earphone interface or be converted to digital audio-frequency data by audio converter 21
It exports after analogue data to earphone interface.Type-C interface device 22 is the connection connecting with external digital earphone or simulation earphone
Device.Processor 20 and audio converter 21 pass through data/address bus 23 and I2C bus 24 connects, and data/address bus 23 is used for transmission
Digital audio-frequency data from processor 20, I2C bus 24 is used for transmission the control data from processor 20, to audio conversion
Parallel operation 21 is controlled.Audio converter 21 includes switch module 211 and audio transmission access 212, and switch module 211 is arranged
Between processor 20 and audio transmission access 212, switch module 211 is connect with data/address bus 23, wherein audio transmission is logical
Road 212 includes the audio translated channel 2121 being set side by side and audio through path 2122, is arranged on audio translated channel 2121
There is digital analog converter 21211.Audio converter 21 passes through I2C bus 24 receives the control data from processor 20, can control
The different connection status of switch module 211 realize audio translated channel 2121 and the two different biographies of audio through path 2122
Defeated access.Digital audio-frequency data can be converted to analog audio data by digital analog converter 21211 in audio translated channel 2121.
Audio transmission access 212 is connect with Type-C interface device 22, can be transferred to digital audio-frequency data or analog audio data
Type-C interface device 22 is played for external earphone.
A kind of Type-C interface Audio transmission structure provided by the utility model, passes through the integrated switch in audio converter
Module and audio transmission access transmit audio data using the single face of processor to can realize, simplify audio transmission
Structure can reduce use cost, reserve interface for processor and realize other function.
Optionally, referring to Fig. 2, the switch module 211 is single-pole double-throw switch (SPDT), the stationary contact of the single-pole double-throw switch (SPDT)
2111 connect with the data/address bus 23, the first movable contact 2112 of the single-pole double-throw switch (SPDT) and the audio translated channel
2121 connections, the second movable contact 2113 of the single-pole double-throw switch (SPDT) are connect with the audio through path 2122.
Specifically, as shown in Fig. 2, switch module above-mentioned 211 is single-pole double-throw switch (SPDT), the stationary contact of single-pole double-throw switch (SPDT)
Point 2111 is connect with data/address bus 23, and the first movable contact 2112 of single-pole double-throw switch (SPDT) is connect with audio translated channel 2121, single
Second movable contact 2113 of double-pole double throw switch is connect with audio through path 2122.To, stationary contact 2111 and different dynamic touchings
Point contact conducting, can be realized the output of different attribute audio datas.
Optionally, referring to Fig. 3, when the stationary contact 2111 is connected with first movable contact 2112, the audio is passed
Defeated structure works in the first pattern；
Referring to Fig. 4, when the stationary contact 2111 is connected with second movable contact 2113, the audio transmission structure with
Second mode work.
Specifically, as shown in figure 3, when stationary contact 2111 and the first movable contact 2112 are connected, the audio transmission structure
It works in the first pattern, audio translated channel 2121 is in the conductive state at this time, the digital audio-frequency data warp exported from processor
The processing for crossing digital analog converter can be exchanged into analog signal and be played by the output of Type-C interface device for simulation earphone.Such as Fig. 4
Shown, when stationary contact 2111 and the conducting of the second movable contact 2113, which works in a second mode, at this time audio
Through path 2122 is in the conductive state, and the digital audio-frequency data exported from processor is transferred directly to Type-C interface device,
Output is played for digital earphone.In general, a CC foot of digital earphone is to be drawn by a resistance to GND；Simulate the two of earphone
A CC foot respectively passes through a resistance and draws to GND, and stationary contact is connected with which movable contact to be triggered according to the type of insertion earphone,
And the type for detecting insertion earphone is what PMIC (Power Management IC, power management integrated circuit) was completed, PMIC
Headset type information can be transferred to processor, processor generates a control signal and passes through I2C bus carrys out control switch module
Movement.As it can be seen that above two different connection status, forms two different operating modes, and two different Working moulds
Formula is used in conjunction with single data/address bus, without additionally occupying other interfaces of processor.
Optionally, the data/address bus include data just with two transmission lines of data minus.
Specifically, for data/address bus comprising two transmission lines of data positive signal line and data negative signal line,
For example, the data/address bus of CPU includes CPU_D+ and CPU_D-.
Optionally, the I2C bus includes a data wire and a clock line.
Specifically, for I2For C bus comprising a data wire and a clock line, data line are used to transmit
Contents, the clock lines such as the address that the data and these data of each control signal are occupied are used between control device and controlled device
Work pace.
The utility model additionally provides a kind of mobile terminal, includes audio transmission structure above-mentioned in mobile terminal.
Application has above-mentioned audio transmission structure in the terminal, and mobile terminal is smart phone, computer, multimedia
The equipment such as device, electronic reader, wearable device.
A kind of Type-C interface Audio transmission structure provided by the utility model, passes through the integrated switch in audio converter
Module and audio transmission access transmit audio data using the single face of processor to can realize, simplify audio transmission
Structure can reduce use cost, reserve interface for processor and realize other function.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation
Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be wanted with right
Subject to the protection scope asked.
Claims (6)
1. a kind of Type-C interface Audio transmission structure, which is characterized in that the structure include processor, audio converter and
Type-C interface device；
The processor and the audio converter pass through data/address bus and I2The connection of C bus；
The audio converter includes switch module and audio transmission access, and the switch module is arranged in the processor and institute
It states between audio transmission access, the switch module is connect with the data/address bus, wherein the audio transmission access includes simultaneously
Audio translated channel and the audio through path of setting are arranged, is provided with digital analog converter on the audio translated channel；
The Type-C interface device is connect with the audio transmission access.
2. Type-C interface Audio transmission structure according to claim 1, which is characterized in that
The switch module is single-pole double-throw switch (SPDT), and the stationary contact of the single-pole double-throw switch (SPDT) is connect with the data/address bus, institute
The first movable contact for stating single-pole double-throw switch (SPDT) is connect with the audio translated channel, the second movable contact of the single-pole double-throw switch (SPDT)
It is connect with the audio through path.
3. Type-C interface Audio transmission structure according to claim 2, which is characterized in that
When the stationary contact is connected with first movable contact, the audio transmission structure works in the first way；
When the stationary contact is connected with second movable contact, the audio transmission structure works in a second manner.
4. Type-C interface Audio transmission structure according to claim 1, which is characterized in that
The data/address bus include data just with two transmission lines of data minus.
5. Type-C interface Audio transmission structure according to claim 1, which is characterized in that
The I2C bus includes a data wire and a clock line.
6. a kind of mobile terminal, which is characterized in that the mobile terminal includes Type-C described in any one of claim 1 to 5
Interface Audio transmission structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821345987.0U CN208861270U (en) | 2018-08-20 | 2018-08-20 | A kind of Type-C interface Audio transmission structure and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821345987.0U CN208861270U (en) | 2018-08-20 | 2018-08-20 | A kind of Type-C interface Audio transmission structure and mobile terminal |
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| CN208861270U true CN208861270U (en) | 2019-05-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111509814A (en) * | 2020-05-29 | 2020-08-07 | 维沃移动通信有限公司 | Data line and charging equipment |
-
2018
- 2018-08-20 CN CN201821345987.0U patent/CN208861270U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111509814A (en) * | 2020-05-29 | 2020-08-07 | 维沃移动通信有限公司 | Data line and charging equipment |
| CN111509814B (en) * | 2020-05-29 | 2021-10-12 | 维沃移动通信有限公司 | Data line and charging equipment |
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