CN208444294U - Electronic equipment - Google Patents

Abstract

Present disclose provides a kind of electronic equipment, comprising: processor has the first analog input end and the first simulation output end；Extended chip has D/A converter module and analog-to-digital conversion module, wherein D/A converter module has the second simulation output end and the first digital input end, and analog-to-digital conversion module has the second analog input end and the first digital output end；Digital peripherals, with the second digital input end and the second digital output end, wherein, second digital output end is connect with the first digital input end and the second simulation output end connect connection with the first analog input end to form the first branch, and the first simulation output end is connect with the second analog input end and the first digital output end is connect with the second digital input end to form second branch.

Description

Electronic equipment

Technical field

This disclosure relates to electronic technology field, more particularly, to a kind of electronic equipment.

Background technique

Smart electronics product gradually increases at present, and smart electronics product sound intermediate frequency playing function and Mike's sound-recording function are also slow Slowly standard is formd, and these functions require audio interface to transmit data.In order to make audio interface simpler, more general, These function peripheral hardwares generally all select number I2S signal as standard, but in the application scenarios comprising multiple peripheral hardwares, center The I2S interface of processor might not be able to satisfy the access demand of all peripheral hardwares, it is therefore desirable to it is multiple to meet to extend I2S interface The access demand of peripheral hardware.

In this regard, providing several expansion schemes in the related technology:

For example, first I2S signal extension all the way is connected to more at a few road I2S signals using dedicated I2S extended chip A peripheral hardware, wherein the signal from multiple peripheral hardwares needs just be sent to central processing unit after Unified coding.

For another example using the analog functuion of two chips and central processing unit of modulus conversion chip and analog-digital chip, Specific process flow is as follows: first passing through modulus conversion chip the analog audio signal of central processing unit and changes into digital signal transmission Digital audio and video signals are obtained to peripheral hardware, while from peripheral hardware, then are changed by the digital audio and video signals that analog-digital chip will acquire Analog signal is sent to central processing unit.

During realizing disclosure design, at least there are the following problems in the related technology for inventor's discovery:

Using dedicated I2S extended chip, need multiple signals synthesizing signal all the way, due to the coded format of a variety of peripheral hardwares May be inconsistent, thus it is bad to use compatibility, and several peripheral hardwares work at the same time, if peripheral data amount is excessive, There can be data jamming after synthesizing signal all the way, cause data cutout, Caton etc..

Using the assembled scheme of analog-digital chip and modulus conversion chip, there are complex circuit designs, higher cost Defect, while controlling two chip encoding and decoding and needing to match the time, thus increase the configuration pressure of software.

Summary of the invention

In view of this, present disclose provides a kind of electronic equipment.

The disclosure provides a kind of electronic equipment, comprising: processor has the first analog input end and the first simulation defeated Outlet；Extended chip has D/A converter module and analog-to-digital conversion module, wherein above-mentioned D/A converter module has the second mould Quasi- output end and the first digital input end, above-mentioned analog-to-digital conversion module have the second analog input end and the first digital output end； Digital peripherals have the second digital input end and the second digital output end, wherein above-mentioned second digital output end and above-mentioned first Digital input end connection and above-mentioned second simulation output end are connect with above-mentioned first analog input end to be connected to form the first branch, Above-mentioned first simulation output end connect with above-mentioned second analog input end and above-mentioned first digital output end and it is above-mentioned second number Input terminal is connected to form second branch.

In accordance with an embodiment of the present disclosure, the only above-mentioned first branch is in running order；Or only above-mentioned second branch It is in running order；Or the above-mentioned first branch and above-mentioned second branch can form the first circuit, and in running order simultaneously.

In accordance with an embodiment of the present disclosure, above-mentioned electronic equipment further include: analog peripheral has third analog input end and the Three simulation output ends；Above-mentioned processor also has third digital input end and third digital output end, wherein above-mentioned third number Word output end is connect with above-mentioned first digital input end and above-mentioned second simulation output end is connect with above-mentioned third analog input end To form third branch, above-mentioned third simulation output end is connect with above-mentioned second analog input end and above-mentioned first digital output end It connect with above-mentioned third digital input end to form the 4th branch.

In accordance with an embodiment of the present disclosure, only above-mentioned third branch is in running order；Or only above-mentioned 4th branch It is in running order；Or above-mentioned third branch and above-mentioned 4th branch can form second servo loop, and in running order simultaneously.

In accordance with an embodiment of the present disclosure, when above-mentioned digital peripherals are in running order, above-mentioned analog peripheral is in non-work Make state；Or when above-mentioned analog peripheral is in running order, above-mentioned digital peripherals are in off working state；Or above-mentioned number Word peripheral hardware and above-mentioned analog peripheral can be in running order simultaneously.

In accordance with an embodiment of the present disclosure, above-mentioned analog peripheral includes earphone, microphone and loudspeaker.

In accordance with an embodiment of the present disclosure, above-mentioned digital peripherals include having the bluetooth of digital interface.

In accordance with an embodiment of the present disclosure, above-mentioned extended chip includes audio coding decoding chip.

In accordance with an embodiment of the present disclosure, above-mentioned audio coding decoding chip includes controller, compiles solution for controlling above-mentioned audio The working condition of D/A converter module and analog-to-digital conversion module in code chip.

In accordance with an embodiment of the present disclosure, above-mentioned processor includes: audio coding decoding module, is used for: will be in above-mentioned processor Voice data stream be converted into corresponding analog signal and by above-mentioned first simulation output end export；And/or it will be by above-mentioned The analog signal that first analog input end inputs above-mentioned processor is converted into corresponding voice data stream.

In accordance with an embodiment of the present disclosure, because use one has analog-digital conversion function and analog conversion function simultaneously The processor-based analog functuion of extended chip carries out the technological means of I2S signal extension, so at least partially overcoming phase Complex circuit designs caused by 2S signal extension, higher cost, software are carried out using two even more chips in the technology of pass The big technical problem of pressure is configured, and then has reached that circuit design is simple, and cost is relatively low, the small technical effect of software configuration pressure.

Detailed description of the invention

By referring to the drawings to the description of the embodiment of the present disclosure, the above-mentioned and other purposes of the disclosure, feature and Advantage will be apparent from, in the accompanying drawings:

Fig. 1 diagrammatically illustrates the application scenarios of the electronic equipment according to the embodiment of the present disclosure；

Fig. 2 diagrammatically illustrates the block diagram of the electronic equipment according to the embodiment of the present disclosure；

Fig. 3 diagrammatically illustrates the block diagram of the electronic equipment according to another embodiment of the disclosure；

Fig. 4 diagrammatically illustrates the block diagram of the electronic equipment according to another embodiment of the disclosure；

Fig. 5 diagrammatically illustrates the block diagram of the electronic equipment according to another embodiment of the disclosure；

Fig. 6 diagrammatically illustrates the block diagram of the audio coding decoding chip according to the embodiment of the present disclosure；And

Fig. 7 diagrammatically illustrates the block diagram of the processor according to the embodiment of the present disclosure.

Specific embodiment

Hereinafter, will be described with reference to the accompanying drawings embodiment of the disclosure.However, it should be understood that these descriptions are only exemplary , and it is not intended to limit the scope of the present disclosure.In the following detailed description, to elaborate many specific thin convenient for explaining Section is to provide the comprehensive understanding to the embodiment of the present disclosure.It may be evident, however, that one or more embodiments are not having these specific thin It can also be carried out in the case where section.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid Unnecessarily obscure the concept of the disclosure.

Term as used herein is not intended to limit the disclosure just for the sake of description specific embodiment.It uses herein The terms "include", "comprise" etc. show the presence of the feature, step, operation and/or component, but it is not excluded that in the presence of Or add other one or more features, step, operation or component.

There are all terms (including technical and scientific term) as used herein those skilled in the art to be generally understood Meaning, unless otherwise defined.It should be noted that term used herein should be interpreted that with consistent with the context of this specification Meaning, without that should be explained with idealization or excessively mechanical mode.

It, in general should be according to this using statement as " at least one in A, B and C etc. " is similar to Field technical staff is generally understood the meaning of the statement to make an explanation (for example, " system at least one in A, B and C " Should include but is not limited to individually with A, individually with B, individually with C, with A and B, with A and C, have B and C, and/or System etc. with A, B, C).Using statement as " at least one in A, B or C etc. " is similar to, generally come Saying be generally understood the meaning of the statement according to those skilled in the art to make an explanation (for example, " having in A, B or C at least One system " should include but is not limited to individually with A, individually with B, individually with C, with A and B, have A and C, have B and C, and/or the system with A, B, C etc.).It should also be understood by those skilled in the art that substantially arbitrarily indicating two or more The adversative conjunction and/or phrase of optional project shall be construed as either in specification, claims or attached drawing A possibility that giving including one of these projects, either one or two projects of these projects.For example, phrase " A or B " should A possibility that being understood to include " A " or " B " or " A and B ".

Embodiment of the disclosure provides a kind of electronic equipment.The electronic equipment includes processor, has the first simulation defeated Enter end and the first simulation output end；Extended chip has D/A converter module and analog-to-digital conversion module, wherein digital-to-analogue conversion mould Block has the second simulation output end and the first digital input end, and analog-to-digital conversion module has the second analog input end and the first number Output end；Digital peripherals have the second digital input end and the second digital output end, wherein the second digital output end and first Digital input end connection and the second simulation output end connect connection with the first analog input end to form the first branch, the first simulation Output end is connect with the second analog input end and the first digital output end is connect with the second digital input end to form second branch.

Fig. 1 diagrammatically illustrates the application scenarios of the electronic equipment according to the embodiment of the present disclosure.As shown in Figure 1, the electronics Equipment includes processor (can be central processing unit) and peripheral hardware, wherein processor is needed with analog port, that is, has simulation Functional module, which is the digital peripherals with digital audio interface, such as digital bluetooth, more specifically such as bluetooth headset and indigo plant Tooth speaker etc..

Since the analog interface of processor can not be communicated directly with the digital audio interface of peripheral hardware, it is therefore desirable to will locate The analog interface of reason device is extended to digital interface, is such as extended to the digital interface of I2S bus protocol.

Wherein, I2S (Inter-IC Sound) bus, also known as integrated circuit built-in audio bus, are set for digital audio Audio data between standby transmits and a kind of bus standard of formulation, the bus pass dedicated for the data between audio frequency apparatus It is defeated, it is widely used in various multimedia systems.

It should be understood that being only the example that can apply the scene of the embodiment of the present disclosure shown in Fig. 1, to help art technology Personnel understand the technology contents of the disclosure, but are not meant to that the embodiment of the present disclosure may not be usable for other equipment, system, environment Or scene.

Fig. 2 diagrammatically illustrates the block diagram of the electronic equipment according to the embodiment of the present disclosure.

As shown in Fig. 2, the electronic equipment 100 includes processor 101, extended chip 102 and digital peripherals 103.

Processor 101 has the first analog input end IO₁₁With the first simulation output end IO₁₂。

That is, in the embodiments of the present disclosure, processor 101 can be central processing unit it is necessary to have analog functional module, The analog functional module includes two analog ports, i.e. the first analog input end IO₁₁With the first simulation output end IO₁₂。

Moreover, it should be understood that in the embodiments of the present disclosure, processor 101 may be used also other than including analog functional module To include digital function module, which includes one or more digital port, it is not limited here.

In addition, processor can be one piece of ultra-large integrated circuit, be an electronic equipment for example computer, mobile phone, The arithmetic core (Core) and control core (Control Unit) of plate etc..Its function is mainly interpretative order and processing Data in machine software.

Extended chip 102 has D/A converter module D/A and analog-to-digital conversion module A/D, wherein the D/A converter module D/A has the second simulation output end IO₁₄With the first digital input end IO₂₁, analog-to-digital conversion module A/D simulates defeated with second Enter to hold IO₁₃With the first digital output end IO₂₂。

That is, in the embodiments of the present disclosure, integrated simultaneously in extended chip 102 there are two types of conversion modules, respectively digital-to-analogue Conversion module D/A and analog-to-digital conversion module A/D.

Wherein, in the embodiments of the present disclosure, number conversion module A/D can be used for for analog audio signal being converted into digital sound Frequency signal, D/A converter module D/A can be used for digital audio and video signals being converted into analog audio signal.

Further, digital audio and video signals include I2S signal, and analog audio signal is (Audio) with voice, music and sound The frequency of the regular sound wave of effect, amplitude change information carrier.According to the feature of sound wave, audio-frequency information can be classified as rule Audio and irregular audio.

Digital peripherals 103 have the second digital input end IO₂₃With the second digital output end IO₂₄, wherein second number Output end IO₂₄With first digital input end IO₂₁Connection and second simulation output end IO₁₄With first analog input end IO₁₁ Connection connection is to form the first branch, first simulation output end IO₁₂With second analog input end IO₁₃Connection and this first Digital output end IO₂₂With second digital input end IO₂₃Connection is to form second branch.

Wherein, for a product or system, generally may include master control and complete specific function chip or Mould group, these chips or mould group are referred to as peripheral hardware.And the peripheral hardware with digital interface such as digital input end and digital output end Digital peripherals are referred to as, the peripheral hardware with analog interface such as analog input end and simulation output end is referred to as analog peripheral.

By embodiment of the disclosure, because use one has analog-digital conversion function and analog conversion function simultaneously The processor-based analog functuion of extended chip carries out the technological means of I2S signal extension, so at least partially overcoming phase Complex circuit designs caused by 2S signal extension, higher cost, software are carried out using two even more chips in the technology of pass The big technical problem of pressure is configured, and then has reached that circuit design is simple, and cost is relatively low, the small technology effect of software configuration pressure Fruit.

Below with reference to Fig. 3~Fig. 7, electronic equipment shown in Fig. 2 is described further in conjunction with specific embodiments.

It, can be with flexible configuration electronic equipment for the first branch and second branch as a kind of optional embodiment Operating mode, i.e., the working condition of the first branch and second branch in flexible configuration electronic equipment, for example, electronic equipment is configured It is in running order at the only first branch；Or only second branch is in running order；Or electronic equipment is configured to The first branch and second branch can form the first circuit, and in running order simultaneously.

Wherein, in the first branch (also known as uplink branch), data flow from digital peripherals via extended chip flow direction at Manage device, in second branch (also known as downstream branch), then the flow direction of data flow just on the contrary, i.e. data flow from processor via Extended chip flows to digital peripherals.

The working principle for elaborating and corresponding to branch under each operating mode is taken the mobile phone as an example below.

Example 1, if being digital recording mode by mobile phone configuration, the first branch, that is, uplink branch works, and second Road, that is, downstream branch does not work.

Specifically, as shown in Figures 2 and 3, in Recording Process, digital peripherals 103 are first by the analog audio signal of acquisition It is converted into digital audio and video signals and is encoded according to scheduled fixed format, then pass through the second digital output end IO₂₄It will coding Digital audio and video signals output afterwards, and then pass through the first digital input end IO of extended chip 102₂₁(i.e. D/A converter module D/A The first digital input end IO₂₁) input D/A converter module D/A, then by D/A converter module D/A according to the scheduled fixed grating Formula is decoded, and decoded digital audio and video signals is converted into analog audio signal, and pass through the second of extended chip 102 Simulation output end IO₁₄(i.e. the second simulation output end IO of D/A converter module D/A₁₄) output, and then via processor 101 First analog input end IO₁1 input processor 101 is to realize sound-recording function.

By the example, since extended chip 102 has both simulation output and digit input function simultaneously, thus using extension Bridge of the chip 102 as processor 101 and digital peripherals 103 may be implemented to be counted based on the analog functuion of processor 101 The purpose of word audio extension, and compared with using analog peripheral, it is recorded using digital peripherals, anti-interference ability is stronger.This Outside, by the embodiment of the present disclosure, can not only increase I2S signal all the way, and due to the code/decode format of extended chip be can Configuration, therefore the flexibility of system connection digital peripherals can also be increased.

Example 2, if being digital audio play mode by mobile phone configuration, downstream branch work, and uplink branch not work Make.

Specifically, as shown in Figures 2 and 3, in audio playing process, voice data stream is first converted by processor 101 Analog audio signal is simultaneously encoded according to scheduled fixed format, then passes through the first simulation output end IO of processor 101₁₂It is defeated Out, and then pass through the second analog input end IO of expansion module 102₁₃(i.e. the second analog input end of analog-to-digital conversion module A/D IO₁₃) input analog-to-digital conversion module A/D, then be decoded and will be decoded according to scheduled fixed format by analog-to-digital conversion module A/D Analog audio signal afterwards is converted into digital audio and video signals, and passes through the first digital output end IO of extended chip 102₂₂(i.e. mould The first digital output end IO of number conversion module A/D₂₂) output, and pass through the second digital input end IO of digital peripherals 103₂₃It is defeated Enter digital peripherals 103 to realize music playback function.

By the example, since extended chip 102 has both simulation input and digital output function simultaneously, thus using extension Bridge of the chip 102 as processor 101 and digital peripherals 103 may be implemented to be counted based on the analog functuion of processor 101 The purpose of word audio extension, and compared with using analog peripheral, audio is played using digital peripherals, anti-interference ability is more By force.In addition, can not only increase I2S signal all the way, but also due to the code/decode format of extended chip by the embodiment of the present disclosure It is configurable, therefore the flexibility of system connection digital peripherals can also be increased.

Example 3, if being bluetooth conversation mode by mobile phone configuration, downstream branch and uplink branch all work.

Specifically, uplink branch is used to acquire the sound for recording call local terminal to be sent to call opposite end, wherein acquisition I.e. the process and principle of the sound of recording call local terminal are similar with the Recording Process under recording mode in example 1 and principle, herein It repeats no more.

It is listened in addition, downstream branch is used to the voice data stream from call opposite end playing to user by local terminal of conversing, Wherein, the audio playing process conversed under the process and principle and 2 sound intermediate frequency play mode of example of local terminal playing audio-fequency data stream Similar with principle, details are not described herein.

By the embodiment of the present disclosure, the operating mode of electronic equipment can be configured flexibly according to the actual needs of user, To start different branch work.

As a kind of optional embodiment, as shown in figure 3, the electronic equipment 100 further include: analog peripheral 104.

Analog peripheral 104 has third analog input end IO₁₅With third simulation output end IO₁₆；Processor 101, also has There is third digital input end IO₂₅With third digital output end IO₂₆, wherein third digital output end IO₂₆With the first numeral input Hold IO₂₁Connection and the second simulation output end IO₁₄With third analog input end IO₁₅To form third branch, third simulation is defeated for connection Outlet IO₁₆With the second analog input end IO₁₃Connection and the first digital output end IO₂₂With third digital input end IO₂₅Connection is with shape At the 4th branch.

That is, in the embodiments of the present disclosure, expansion module 102 has both simulation input output end (such as the second analog input end IO₁₃With the second simulation output end IO₁₄) and digital IO end (such as the first digital input end IO₂₁With the first digital output end IO₂₂)。

It,, both can be by its simulation input output end and processor as bridge by the embodiment of the present disclosure based on this 101 analog port connection carries out digital signal (I2S signal) extension, can be by its digital IO end and processor 101 Digital port connection carry out analog signal extension, it can make full use of forward and reverse connection of extended chip, thus pass through one A chip realizes two kinds of extensions, so that circuit structure is simpler, cost is higher, and software configuration pressure is smaller.

It, can be with flexible configuration electronic equipment for third branch and the 4th branch as a kind of optional embodiment Operating mode, i.e., the working condition of third branch and the 4th branch in flexible configuration electronic equipment, for example, electronic equipment is configured It is in running order at only third branch；Or that electronic equipment is configured to only the 4th branch is in running order；Or Electronic equipment, which is configured to third branch and the 4th branch, can form second servo loop, and in running order simultaneously.

Wherein, in the 4th branch (also known as uplink branch), data flow from analog peripheral via extended chip flow direction at Manage device, in third branch (also known as downstream branch), then the flow direction of data flow just on the contrary, i.e. data flow from processor via Extended chip flows to analog peripheral.

The working principle for elaborating and corresponding to branch under each operating mode is taken the mobile phone as an example below.

Example 4, if being analog recording mode by mobile phone configuration, the 4th branch of uplink branch works, and downstream branch Third branch does not work.

Specifically, as shown in figure 3, in Recording Process, the analog audio signal of acquisition is passed through third by analog peripheral 104 Simulation output end IO₁₆Output, and then pass through the second analog input end IO of extended chip 102₁₃(i.e. analog-to-digital conversion module A/D's Second analog input end IO₁₃) input analog-to-digital conversion module A/D, then converted the analog audio signal by analog-to-digital conversion module A/D At digital audio and video signals, and pass through the first digital output end IO of extended chip 102₂₂(i.e. the first number of analog-to-digital conversion module A/D Word output end IO₂₂) output, and then via the third digital input end IO of processor 101₂₅Input processor 101 is to realize recording Function.

By the example, since extended chip 102 has both simulation input and digital output function simultaneously, thus using extension Bridge of the chip 102 as processor 101 and analog peripheral 104 may be implemented the digital function based on processor 101 and carry out mould The purpose of quasi- audio extension, and compared with using digital peripherals, it is recorded using analog peripheral, although anti-interference ability dies down, But data transition number is obviously less.

Example 5, if being analogue audio frequency play mode by mobile phone configuration, downstream branch third branch works, and uplink The 4th branch of branch does not work.

Specifically, as shown in figure 3, in audio playing process, voice data stream is passed through processor 101 by processor 101 Third digital output end IO₂₆Output, and then pass through the first digital input end IO of expansion module 102₂₁(i.e. digital-to-analogue conversion mould The first digital input end IO of block D/A₂₁) input D/A converter module D/A, then by D/A converter module D/A by the audio data Stream is that digital audio and video signals are converted into analog audio signal, and pass through the second simulation output end IO of extended chip 102₁₄It (counts The second simulation output end IO of mould conversion module D/A₁₄) output, and pass through the third analog input end IO of analog peripheral 104₁₅It is defeated Enter analog peripheral 104 to realize music playback function.

By the example, since extended chip 102 has both numeral input and simulation output function simultaneously, thus using extension Bridge of the chip 102 as processor 101 and analog peripheral 104 may be implemented the digital function based on processor 101 and carry out mould The purpose of quasi- audio extension, and compared with using digital peripherals, audio is played using analog peripheral, although anti-interference ability becomes It is weak, but data transition number is obviously less.

Example 6, if being common call mode, downstream branch third branch and uplink branch the 4th by mobile phone configuration Road all works.

Specifically, uplink branch is used to acquire the sound for recording call local terminal to be sent to call opposite end, wherein acquisition I.e. the process and principle of the sound of recording call local terminal are similar with the Recording Process under recording mode in example 4 and principle, herein It repeats no more.

It is listened in addition, downstream branch is used to the voice data stream from call opposite end playing to user by local terminal of conversing, Wherein, the audio playing process conversed under the process and principle and 5 sound intermediate frequency play mode of example of local terminal playing audio-fequency data stream Similar with principle, details are not described herein.

By the embodiment of the present disclosure, the operating mode of electronic equipment can be configured flexibly according to the actual needs of user, To start different branch work.

It should be understood that electronic equipment is configured to the only first branch and is in for the first branch and second branch Working condition, perhaps only second branch is in running order or electronic equipment is configured to the first branch and second branch The first circuit can be formed, and in running order simultaneously；Or for third branch and the 4th branch, electronic equipment is matched It is in running order to be set to only third branch, or that electronic equipment is configured to only the 4th branch is in running order, or Electronic equipment is configured to third branch and the 4th branch by person can form second servo loop, and in running order simultaneously.First The working condition of road and second branch is not influenced by the working condition of third branch and the 4th branch, similarly, third branch and The working condition of 4th branch is not also influenced by the working condition of the first branch and second branch.

, can be with flexible configuration electronic equipment as a kind of optional embodiment, i.e., number is outer in flexible configuration electronic equipment If the working condition with analog peripheral, for example, being configured that electronic equipment when digital peripherals are in running order, simulation is outer If being in off working state；Or when analog peripheral is in running order, digital peripherals are in off working state；Or number Peripheral hardware and analog peripheral can be in running order simultaneously.

For example, as shown in figure 3, following configuration can be done to electronic equipment 100: when digital peripherals 103 are in running order When, analog peripheral 104 is in off working state；Or when analog peripheral 104 is in running order, digital peripherals 103 are in Off working state；Or digital peripherals 103 and analog peripheral 104 can be in running order simultaneously.

By the embodiment of the present disclosure, digital peripherals and analog peripheral can be configured flexibly according to the actual needs of user Working condition.

As a kind of optional embodiment, analog peripheral includes earphone, microphone and loudspeaker.

In the embodiments of the present disclosure, earphone and loudspeaker all pass through analog input end (third simulation input as shown in Figure 3 Hold IO₁₅) the second simulation output end IO with the D/A converter module D/A of extended chip₁₄Connection.

Wherein, the course of work and working principle of earphone and loudspeaker such as example 5, details are not described herein.

In addition, in the embodiments of the present disclosure, microphone passes through simulation output end (third simulation output end as shown in Figure 3 IO₁₆) the second analog input end IO with the analog-to-digital conversion module A/D of extended chip₁₃Connection.

Wherein, the course of work and working principle of microphone such as example 4, details are not described herein.

As a kind of optional embodiment, digital peripherals include that there is the bluetooth of digital interface (to be referred to as digital indigo plant Tooth).

Further, the bluetooth with digital interface includes: bluetooth headset, Bluetooth microphone and bluetooth loudspeaker.

In the embodiments of the present disclosure, bluetooth headset and bluetooth loudspeaker all pass through digital input end (as shown in Figures 2 and 3 The second digital input end IO₂₃) the first digital output end IO with the analog-to-digital conversion module A/D of extended chip₂₂Connection.

Wherein, the course of work and working principle of bluetooth headset and bluetooth loudspeaker such as example 2, details are not described herein.

In addition, in the embodiments of the present disclosure, Bluetooth microphone passes through digital output end (the second number as shown in Figures 2 and 3 Word output end IO₂₄) the first digital input end IO with the D/A converter module D/A of extended chip₂₁Connection.

Wherein, the course of work and working principle of Bluetooth microphone such as example 1, details are not described herein.

As a kind of optional embodiment, as shown in Figure 4 and Figure 5, extended chip may include audio coding decoding chip 105。

Since audio coding decoding chip 105 has the function of simulation input output function and digital IO simultaneously, and Audio data can be handled by certain processing method.

Based on this, by the embodiment of the present disclosure, there is simulation input output function simultaneously using audio coding decoding chip 105 The characteristics of with digital IO function, by the way that its simulation input output end to be connect with processor simulation port, and is counted Word input and output end is connect with digital peripherals digital port, and the purpose of extension 12S signal not only may be implemented, but also can be saved Research and develop cost, production efficiency be provided, in addition, by the way that its digital IO end is connect with processor digital port, and by its Simulation input output end is connect with analog peripheral digital port, the purpose of extension 12S signal not only may be implemented, but also can be with The purpose for realizing extended simulation audio signal, kills two birds with one stone.

Specifically, in order to be adapted to audio frequency apparatus, audio coding decoding chip is internally integrated the input and output function of analogue audio frequency The input/output function of energy and digital audio, and two kinds of functional interfaces are got through in inside, can mutually pass data, audio coding decoding Chip one end (simulation input output end) connects the analog audio interface of processor, and the other end connects the digital sound of digital peripherals Frequency interface, may be implemented the input and output conversion of digital audio and analogue audio frequency after setting, and pass through the mould inside processor Quasi- audio interface realizes the extension function of I2S signal.That is, whole system is that an analog audio signal and digital audio and video signals pass The circulation passed, and bridge is exactly intermediate audio coding decoding chip, the chip itself is used for the adjustment of audio signal, optimizes and be The encoding and decoding of system audio data, while it being compatible with simulation input output function and digital IO function, dexterously utilizing should The extension of digital audio and video signals may be implemented in the interface conversion function of chip.

As a kind of optional embodiment, as shown in fig. 6, audio coding decoding chip 105 may include controller 1051, use The working condition of D/A converter module D/A and analog-to-digital conversion module A/D in control audio coding decoding chip 105.

Specifically, which can cooperate to realize in audio coding decoding chip 105 with processor The control of the working condition of D/A converter module D/A and analog-to-digital conversion module A/D.

By the embodiment of the present disclosure, control audio coding decoding core flexibly can be cooperated to by controller and processor The working condition of each conversion module in piece.

As a kind of optional embodiment, as shown in fig. 7, processor 101 may include: audio coding decoding module 1011, For: the voice data stream in processor 101 is converted into corresponding analog signal and is exported by the first simulation output end； And/or corresponding voice data stream will be converted by the analog signal of the first analog input end input processor 101.

By the embodiment of the present disclosure, the analog functuion of processor may be implemented.

It will be understood by those skilled in the art that the feature recorded in each embodiment and/or claim of the disclosure can To carry out multiple combinations or/or combination, even if such combination or combination are not expressly recited in the disclosure.Particularly, exist In the case where not departing from disclosure spirit or teaching, the feature recorded in each embodiment and/or claim of the disclosure can To carry out multiple combinations and/or combination.All these combinations and/or combination each fall within the scope of the present disclosure.

Embodiment of the disclosure is described above.But the purpose that these embodiments are merely to illustrate that, and It is not intended to limit the scope of the present disclosure.Although respectively describing each embodiment above, but it is not intended that each reality Use cannot be advantageously combined by applying the measure in example.The scope of the present disclosure is defined by the appended claims and the equivalents thereof.It does not take off From the scope of the present disclosure, those skilled in the art can make a variety of alternatives and modifications, these alternatives and modifications should all fall in this Within scope of disclosure.

Claims (10)

1. a kind of electronic equipment, comprising:

Processor has the first analog input end and the first simulation output end；

Extended chip has D/A converter module and analog-to-digital conversion module, wherein the D/A converter module has the second simulation Output end and the first digital input end, the analog-to-digital conversion module have the second analog input end and the first digital output end；

Digital peripherals have the second digital input end and the second digital output end, wherein

Second digital output end is connect with first digital input end and second simulation output end and described first Analog input end connection is connected to form the first branch,

First simulation output end is connect with second analog input end and first digital output end and described second Digital input end is connected to form second branch.

2. electronic equipment according to claim 1, in which:

The only described first branch is in running order；Or

The only described second branch is in running order；Or

The first branch and the second branch can form the first circuit, and in running order simultaneously.

3. electronic equipment according to claim 1, in which:

The electronic equipment further include: analog peripheral has third analog input end and third simulation output end；

The processor also has third digital input end and third digital output end, wherein

The third digital output end is connect with first digital input end and second simulation output end and the third Analog input end is connected to form third branch,

Third simulation output end is connect with second analog input end and first digital output end and the third Digital input end is connected to form the 4th branch.

4. electronic equipment according to claim 3, in which:

The only described third branch is in running order；Or

Only described 4th branch is in running order；Or

The third branch and the 4th branch can form second servo loop, and in running order simultaneously.

5. electronic equipment according to claim 3, in which:

When the digital peripherals are in running order, the analog peripheral is in off working state；Or

When the analog peripheral is in running order, the digital peripherals are in off working state；Or

The digital peripherals and the analog peripheral can be in running order simultaneously.

6. electronic equipment according to claim 3, wherein the analog peripheral includes earphone, microphone and loudspeaker.

7. electronic equipment according to claim 1, wherein the digital peripherals include having the bluetooth of digital interface.

8. electronic equipment according to any one of claim 1 to 7, wherein the extended chip includes audio coding decoding Chip.

9. electronic equipment according to claim 8, wherein the audio coding decoding chip includes controller, for controlling The working condition of D/A converter module and analog-to-digital conversion module in the audio coding decoding chip.

10. electronic equipment according to claim 1, wherein the processor includes: audio coding decoding module, is used for:

By the voice data stream in the processor be converted into corresponding analog signal and by first simulation output end it is defeated Out；And/or

The analog signal for inputting the processor by first analog input end is converted into corresponding voice data stream.