CN209044332U - Synchronous processing circuit, synchronous processing device and synchronous processing system - Google Patents
Synchronous processing circuit, synchronous processing device and synchronous processing system Download PDFInfo
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Abstract
The present application relates to a synchronous processing circuit, a synchronous processing device, and a synchronous processing system. The synchronous processing circuit comprises a processing circuit, an image sensor interface component, an interactive interface component and an expansion interface component; the image sensor interface component comprises at least one first-type interface and at least one second-type interface; the interactive interface component comprises a third interface, a fourth interface and a fifth interface; the expansion interface component comprises at least one sixth type interface; each first type interface, each second type interface, each third type interface, each fourth type interface, each fifth type interface and each sixth type interface are respectively connected with a processing circuit; in the actual use process, the external data is received through the image sensor interface component and the expansion interface component, and after being processed by the processing circuit, the external data is transmitted to external devices such as a chip connected with the interaction interface component through the interaction interface component, so that the multi-channel interface is expanded for the external devices such as the chip.
Description
Technical field
This application involves technical field of integrated circuits, more particularly to a kind of synchronous processing circuit, synchronization processing apparatus with
And System of Synchronous Processing.
Background technique
With the continuous development of the technologies such as big data, artificial intelligence, such as ADAS (Advanced Driver
Assistance System, advanced driving assistance system), the technologies such as automatic Pilot also achieve huge progress.ADAS,
In the fields such as automatic Pilot, need to use many sensors, such as imaging sensor, IMU (Inertial
Measurement unit, Inertial Measurement Unit) sensor etc..It in the conventional technology, is all using chip, for example, ARM
(Advanced RISC Machine, advanced reduced instruction set machine) processor, system on chip etc. the additional multiple sensings of device
Device.
But during realization, inventor has found that at least there are the following problems: the devices such as traditional die in traditional technology
It is difficult to meet the needs of to more multisensor is expanded.
Utility model content
Based on this, it is necessary to aiming at the problem that devices such as traditional die are difficult to meet to the needs of expanding more multisensor,
A kind of synchronous processing circuit, synchronization processing apparatus and System of Synchronous Processing are provided.
To achieve the goals above, on the one hand, the embodiment of the present application provides a kind of synchronous processing circuit, including processing electricity
Road, image sensor interface component, interactive interface component and expansion interface module；
Image sensor interface component includes at least one first kind interface and at least one second class interface；Interactive interface
Component includes third class interface, the 4th class interface and the 5th class interface；Expanding interface module includes at least one the 6th class interface；
Each first kind interface, each second class interface, third class interface, the 4th class interface, the 5th class interface and each 6th
Class interface is separately connected processing circuit.
Processing circuit includes image processing circuit and the data for connecting image processing circuit in one of the embodiments,
Processing circuit；
Image processing circuit is separately connected each first kind interface, each second class interface, third class interface and the 5th class interface；
Data processing circuit is separately connected the 4th class interface, each 6th class interface.
It in one of the embodiments, further include fusion circuit；
Fusion is electrically connected between image processing circuit and data processing circuit.
It in one of the embodiments, further include arbitration circuit；
Arbitration circuit is separately connected image processing circuit, fusion circuit, expands interface module and data processing circuit.
It in one of the embodiments, further include synchronous clock circuit and buffer；
Synchronous clock circuit be separately connected image processing circuit, data processing circuit, expand interface module, fusion circuit,
Arbitration circuit and buffer；
Buffer is separately connected image processing circuit, data processing circuit and arbitration circuit.
First kind interface is MIPI interface in one of the embodiments,；Second class interface is IIC interface.
Third class interface is MIPI interface in one of the embodiments,；4th class interface is with any in lower interface
It is a kind of: IIC interface, SPI interface and serial line interface；5th class interface is IIC interface.
The 6th class interface is with any one in lower interface in one of the embodiments: SPI interface, IIC interface
And serial line interface.
On the other hand, the embodiment of the present application also provides a kind of synchronization processing apparatus, including circuit board and as described above
Synchronous processing circuit；
Synchronous processing circuit is arranged on circuit boards.
On the one hand, the embodiment of the present application also provides a kind of System of Synchronous Processing, including synchronization process as described above
Device further includes the imaging sensor for connecting image sensor interface group, further includes the arm processor for connecting interactive interface group
And/or system level chip, it further include the RTK sensor and/or inertial sensor that interface group is expanded in connection.
A technical solution in above-mentioned technical proposal is had the following advantages and beneficial effects:
Using processing circuit, image sensor interface component, expand interface module and this Shen of interactive interface component construction
It please synchronous processing circuit, wherein image sensor interface component includes at least one first kind interface and at least one second class
Interface；Expanding interface module includes third class interface, the 4th class interface and the 5th class interface；Interactive interface component includes at least one
A 6th class interface；Each first kind interface, each second class interface, third class interface, the 4th class interface, the 5th class interface and each
6th class interface is separately connected processing circuit, in actual use, by image sensor interface component and expands interface
Component receives external data, after processing circuit processes, is transferred to by interactive interface component and to be connect with interactive interface component
The external devices such as chip or sync cap component receive external data, are directly transferred to and interact via interactive interface component
The external devices such as the chip of interface group connection, so that being embodied as the external devices such as chip expands multichannel interface, so that chip
Etc. external devices can receive multichannel data, can satisfy while receiving more multidata requirement.
Detailed description of the invention
By being more particularly described for preferred embodiment of the present application shown in the drawings, the above and other mesh of the application
, feature and advantage will become more fully apparent.Identical appended drawing reference indicates identical part in all the attached drawings, and does not carve
Meaning draws attached drawing by actual size equal proportion scaling, it is preferred that emphasis is shows the purport of the application.
Fig. 1 is the first structure diagram of the application synchronous processing circuit in one embodiment；
Fig. 2 is the structural schematic diagram of the processing circuit of the application synchronous processing circuit in one embodiment；
Fig. 3 is the second structural schematic diagram of the application synchronous processing circuit in one embodiment；
Fig. 4 is the structural schematic diagram of the application System of Synchronous Processing in one embodiment.
Specific embodiment
The application in order to facilitate understanding is described more fully the application below with reference to relevant drawings.In attached drawing
Give the preferred embodiment of the application.But the application can realize in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is make it is more thorough and comprehensive to disclosure of this application.
It should be noted that it can be directly to separately when an element is considered as " connection " another element
One element and it is in combination be integrated, or may be simultaneously present centering elements.Term as used herein " installation ", " one
End ", " other end " and similar statement are for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
It is few in order to solve interface of the devices such as traditional die for expanding sensor, it is difficult to meet to expansion more multisensor
Demand the problem of, in one embodiment, as shown in Figure 1, provide a kind of synchronous processing circuit, including processing circuit 11,
Image sensor interface component 13, interactive interface component 15 and expansion interface module 17；
13 component of image sensor interface includes at least one first kind interface 131 and at least one second class interface 133；
Interactive interface component 15 includes third class interface 151, the 4th class interface 153 and the 5th class interface 155；Interface module 17 is expanded to wrap
Include at least one the 6th class interface 171；
Each first kind interface 131, each second class interface 133, third class interface 151, the 4th class interface 153, the 5th class connect
Mouth 155 and each 6th class interface 171 are separately connected processing circuit 11.
Wherein, processing circuit for the first kind interface in image sensor interface component and expand in interface module the
The external data of six class interfaces acquisition, and external data is carried out after corresponding data processing through the in interactive interface component
Three classes interface or the 4th class interface are transferred to the external devices connecting with interactive interface component, such as chip.In an example
In, chip can be arm processor, can also be SOC (System-on-a-Chip, system on chip).
In a specific embodiment, as shown in Fig. 2, processing circuit 11 includes image processing circuit 111 and connection
The data processing circuit 113 of image processing circuit 111；Image processing circuit 111 is separately connected each first kind interface 131, each
Two class interfaces 133, third class interface 151 and the 5th class interface 155；Data processing circuit 113 is separately connected the 4th class interface
153, each 6th class interface 171.
It should be noted that image processing circuit is used to receive the first kind interface transmission in image sensor interface component
Image data, splicing, compression processing or other image procossings carried out to image data, and will treated picture number
According to via in interactive interface component third class interface or the 4th class interface be transferred to the outside connecting with interactive interface component
Device.It is exported again after image data is handled via image processing circuit, advantageously reduces bandwidth, improve the transmission effect of data
Rate.
Data processing circuit is used to receive the data for expanding interface module transmission, and passes through interaction after handling data
Interface module is transferred to the external devices connecting with interactive interface component.
Image sensor interface component is for connecting image capture device, specifically, image sensor interface component and figure
Image procossing electricity is transferred to as the imaging sensor connection in acquisition equipment, and by the image data that image capture device acquires
Road.In a specific embodiment, image sensor interface component include at least one first kind interface and at least one the
Two class interfaces.Further, first kind interface is MIPI (Mobile Industry Processor Interface, mobile production
Industry processor interface) interface；Second class interface is that IIC (Inter-Integrated Circuit, IC bus) connects
Mouthful, wherein the second class interface is bridged with the 5th class interface in interactive interface component by processing circuit.It needs to illustrate
It is that the quantity of first kind interface and first kind interface can be one or more, and particular number can be determined according to actual needs.
Interface module is expanded to be used to provide expansion interface for connection external devices, and will expand interface module with connect outside
The data of portion's device acquisition are transferred to processing circuit, or will directly expand the data of the external devices acquisition of interface module connection
The external device connecting with interactive interface component is transferred to by third class interface in interactive interface component or the 4th class interface
Part.In a specific embodiment, expanding interface module includes at least one the 6th class interface, and further, the 6th class connects
Mouth is with any one in lower interface: SPI (Serial Peripheral Interface, Serial Peripheral Interface (SPI)) interface,
IIC interface and serial line interface.It should be noted that the quantity of the 6th class interface can be one or more, particular number
It can be determined according to actual needs.
Interactive interface component is used to provide interface for external devices such as external chips, realize the application synchronous processing circuit and
Data exchange between external devices.In a specific embodiment, interactive interface component includes third class interface, the 4th class
Interface and the 5th class interface, further, third class interface are MIPI interface；4th class interface is with any one in lower interface
Kind: IIC interface, SPI interface and serial line interface；5th class interface is IIC interface.It should be noted that third class interface, the 4th
Class interface, the 5th class interface quantity can be one or more, particular number can be determined according to actual needs.
In each embodiment of the application synchronous processing circuit, connect using processing circuit, image sensor interface component, expansion
Mouth component and interactive interface component construction the application synchronous processing circuit, wherein image sensor interface component includes at least
One first kind interface and at least one second class interface；Expanding interface module includes third class interface, the 4th class interface and the
Five class interfaces；Interactive interface component includes at least one the 6th class interface；Each first kind interface, third class interface, the 4th class connect
Mouth and each 6th class interface are separately connected processing circuit；Each second class interface is separately connected the 5th class interface, is actually using
In the process, external data is received by image sensor interface component and expansion interface module, after processing circuit processes, by
Interactive interface component is transferred to the external devices such as the chip connecting with interactive interface component or sync cap component receives outside
Data are directly transferred to the external devices such as the chip connecting with interactive interface group via interactive interface component, to be embodied as core
The external devices such as piece are expanded multichannel interface and be can satisfy simultaneously so that the external devices such as chip can receive multichannel data
Receive more multidata requirement.
In one embodiment, as shown in figure 3, providing a kind of synchronous processing circuit, including image processing circuit 111,
Data processing circuit 113, expands interface module 15 and interactive interface component 17 at image sensor interface component 13, further includes
Fusion circuit 31 further includes arbitration circuit 33 and further includes synchronous clock circuit 35 and buffer 37；
Image sensor interface component 13 includes at least one first kind interface 131 and at least one second class interface 133；
Interactive interface component 15 includes third class interface 151, the 4th class interface 153 and the 5th class interface 155；Expand interface module 17
Including at least one the 6th class interface 171；
Each first kind interface 131, each second class interface 133, third class interface 151 and the 5th class interface 155 are separately connected
Image processing circuit 111；4th class interface 151, each 6th class interface 171 are separately connected data processing circuit 113；
Fusion circuit 31 is connected between image processing circuit 111 and data processing circuit 113；
Arbitration circuit 33 is separately connected image processing circuit 111, fusion circuit 31, expands interface module 17 and data
Processing circuit 113；
Synchronous clock circuit 35 be separately connected image processing circuit 111, data processing circuit 113, expand interface module 17,
Merge circuit 31, arbitration circuit 33 and buffer 37；
Buffer 37 is separately connected image processing circuit 111, data processing circuit 113 and arbitration circuit 33.
It should be noted that synchronous processing circuit provided in this embodiment, in actual use, imaging sensor is connect
Mouth component can connect the imaging sensor of image capture device, and interactive interface component can connect ARM processor or SOC, and expansion connects
Mouth component can connect the sensors such as RTK (Real-time kinematic, in real time dynamically) sensor, inertial sensor.
Wherein, the image data and RTK (Real-time that fusion circuit is used to acquire image capture device
Kinematic, in real time dynamic) sensing data of the sensors acquisition such as sensor, inertial sensor carries out fusion treatment, specifically
, using prior art blending algorithm, by Data Fusion of Sensor into image data, so that image data has corresponding feature
Value.
Synchronous clock circuit is used for the clock request of the device according to external connection, generates the clock driving of multiple synchronization
Source.Synchronous clock circuit can be RTK sensor, the inertial sensor etc. connecting with expansion interface module by expanding interface module
Sensor provide synchronised clock, and using global clock network be image processing circuit, data processing circuit, merge circuit and
Arbitration circuit provides synchronised clock.
Buffer is used for the image data after cache image processing circuit processes, the number after data cached processing circuit processes
According to.In one example, buffer can be in DDR3 (Double-Data-Rate, Double Data Rate synchronous DRAM)
It deposits.
Arbitration circuit is used for image processing circuit, fusion circuit, expands interface module and data processing circuit progress
Arbitration control, specifically, arbitration circuit control expand interface module acquisition with its expand RTK sensor that interface module connect,
The data of the sensors such as inertial sensor acquisition, arbitration circuit control the data that data processing circuit will expand interface module transmission
Fusion circuit is transferred to after processing, arbitration circuit controls buffer to the number of the circuits such as image processing circuit, data processing circuit
According to being cached, arbitration circuit controls image processing circuit and carries out image to the image data that image sensor interface component transmits
Processing.
In each embodiment of the application synchronous processing circuit, using clock circuit be the application synchronous processing circuit in other
Circuit and the delay that temporal constraint reduction transmission path is carried out for the external devices of application synchronous processing circuit connection, realize this
Apply for the synchronously control of synchronous processing circuit；Using fusion circuit realize data fusion, solve conventional ARM processor or
SOC is difficult to the problem of merging to data, makes reasonably to control and manage the application synchronization process electricity using arbitration circuit
Each section circuit on road, enables the application synchronous processing circuit orderly function；It is synchronous that the application is improved using buffer
The operating rate of processing circuit.
In one embodiment, provide a kind of synchronous processing circuit, including image processing circuit, data processing circuit,
Image sensor interface component expands interface module and interactive interface component, further includes fusion circuit, further includes arbitration electricity
Road further includes synchronous clock circuit and further includes buffer；
Image sensor interface component includes at least one first kind interface and at least one second class interface；Interactive interface
Component includes third class interface, the 4th class interface and the 5th class interface；Expanding interface module includes at least one the 6th class interface；
Each first kind interface, each second class interface, third class interface and the 5th class interface are separately connected image processing circuit；
4th class interface, each 6th class interface are separately connected data processing circuit；
Fusion is electrically connected between image processing circuit and data processing circuit；
Arbitration circuit is separately connected image processing circuit, merges circuit and data processing circuit；
Synchronous clock circuit is separately connected image processing circuit, data processing circuit, expands interface module, merge circuit with
And arbitration circuit；
Buffer is separately connected image processing circuit, data processing circuit, arbitration circuit and synchronous clock circuit；
Wherein, first kind interface is MIPI interface；Second class interface is IIC interface；Third class interface is MIPI interface；
4th class interface is with any one in lower interface: IIC interface, SPI interface and serial line interface；5th class interface connects for IIC
Mouthful；6th class interface is with any one in lower interface: SPI interface, IIC interface and serial line interface.
In the embodiment of the application synchronous processing circuit, a large amount of interface is provided, it is outer to connect chip etc. by as the application
Portion's device provides a large amount of interface of expanding and connects so that the external devices such as chip can connect a large amount of external devices simultaneously
Multichannel data is received, the expansion capability of the external devices such as chip is enhanced.
In one embodiment, a kind of synchronization processing apparatus, including circuit board and such as the application synchronization process are provided
Each synchronous processing circuit as described in the examples of circuit；
Synchronous processing circuit is arranged on circuit boards.
It should be noted that FPGA can be based on to save manufacturing cost and design cost, the synchronization processing apparatus of the application
(Field-Programmable Gate Array, field programmable gate array) design.
Wherein, in one example, circuit board can be aluminium oxide ceramics circuit board, aluminium nitride ceramics circuit board, wiring board,
PCB (Printed Circuit Board, printed circuit board) plate etc..
The application synchronization processing apparatus, by the way that synchronous processing circuit arrangement on circuit boards, is improved synchronous processing circuit
It is integrated, facilitate the use of synchronous processing circuit.
In one example, as shown in figure 4, additionally providing a kind of System of Synchronous Processing, including as described above at synchronization
Device is managed, further includes the imaging sensor 41 for connecting image sensor interface component 13, further includes connection interactive interface component 15
Arm processor 43 and/or system level chip 43, further include connection expand interface module 17 RTK sensor 45 and/or inertia
Sensor 45.
Wherein, image sensor interface component includes at least one first kind interface and at least one second class interface；It hands over
Mutual interface module includes third class interface, the 4th class interface and the 5th class interface；Expand interface module include at least one the 6th
Class interface.
It should be noted that first kind interface is MIPI interface；Second class interface is IIC interface；Third class interface is
MIPI interface；4th class interface is with any one in lower interface: IIC interface, SPI interface and serial line interface；5th class connects
Mouth is IIC interface；6th class interface is with any one in lower interface: SPI interface, IIC interface and serial line interface.
Specifically, image sensor interface component connects imaging sensor by multichannel first kind interface, multichannel is realized
The input of MIPI interface.5th class interface of interactive interface component and the second class interface of image sensor interface component pass through image
Processing circuit is bridged, and can synchronize control to the beginning capture time of multiple images sensor, time for exposure etc. simultaneously
System.
RTK sensor, inertial sensor or other types sensor access the application by expansion interface module and synchronize
Processing circuit.
4th class interface of interactive interface component by processing circuit and expand interface module by data processing circuit into
Row bridge joint, if realizing what arm processor and/or system level chip expanded outside by expanding the 6th class interface of interface module
Dry RTK sensor, several inertial sensors or several other types sensors synchronize control.
In the operation of the application System of Synchronous Processing, RTK sensor, inertial sensor or the acquisition of other types sensor
Data can there are four types of flow direction:
(1) expand interface module the 6th class interface synchronization acquisition several RTK sensors, several inertial sensors or
And the data of several other types sensor acquisitions, and arm processor is transferred to by the 4th class interface of interactive interface component
And/or system-level core；
(2) data processing circuit will interface module synchronizes received several RTK sensors, several IMU are sensed by expanding
Device or and several other types sensors acquisitions data, and handled, then pass through the by interactive interface component
Four class interfaces are transferred to arm processor and/or system-level core；
(3) data processing circuit will interface module synchronizes received several RTK sensors, several IMU are sensed by expanding
Device or and the acquisition of several other types sensors data, output gives fusion circuit, melts above-mentioned data by fusion circuit
It closes by the image data of imaging sensor synchronous acquisition, to allow the image data of acquisition, there is corresponding feature
Value；
(4) data processing circuit will interface module synchronizes received several RTK sensors, several IMU are sensed by expanding
Device or and the acquisition of several other types sensors data, and handled, be then transferred to buffer, buffer is by data
It is transferred to image processing circuit, is transferred to arm processor and/or system-level finally by the third class interface of interactive interface component
Core.
In each embodiment of this System of Synchronous Processing, multiway images sensor, multichannel RTK sensor and multichannel are realized
The synchronous data collection and data processing of inertial sensor can reduce the hardware investment of traditional technology, save cost.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
The limitation to the application the scope of the patents therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the concept of this application, various modifications and improvements can be made, these belong to the guarantor of the application
Protect range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of synchronous processing circuit, which is characterized in that including processing circuit, image sensor interface component, interactive interface group
Part and expansion interface module；
Described image sensor interface module includes at least one first kind interface and at least one second class interface；The interaction
Interface module includes third class interface, the 4th class interface and the 5th class interface；The expansion interface module include at least one
Six class interfaces；
Each first kind interface, each second class interface, the third class interface, the 4th class interface, the described 5th
Class interface and each 6th class interface are separately connected the processing circuit.
2. synchronous processing circuit according to claim 1, which is characterized in that the processing circuit includes image processing circuit
And the data processing circuit of connection described image processing circuit；
Described image processing circuit is separately connected each first kind interface, each second class interface, the third class interface
With the 5th class interface；The data processing circuit is separately connected the 4th class interface, each 6th class interface.
3. synchronous processing circuit according to claim 2, which is characterized in that further include fusion circuit；
The fusion is electrically connected between described image processing circuit and the data processing circuit.
4. synchronous processing circuit according to claim 3, which is characterized in that further include arbitration circuit；
The arbitration circuit is separately connected described image processing circuit, the fusion circuit, the expansion interface module and institute
State data processing circuit.
5. synchronous processing circuit according to claim 4, which is characterized in that further include synchronous clock circuit and caching
Device；
The synchronous clock circuit is separately connected described image processing circuit, the data processing circuit, the expansion interface group
Part, the fusion circuit, the arbitration circuit and the buffer；
The buffer is separately connected described image processing circuit, the data processing circuit and the arbitration circuit.
6. synchronous processing circuit according to any one of claims 1 to 5, which is characterized in that the first kind interface is
MIPI interface；The second class interface is IIC interface.
7. synchronous processing circuit according to claim 6, which is characterized in that the third class interface is MIPI interface；Institute
Stating the 4th class interface is with any one in lower interface: IIC interface, SPI interface and serial line interface；The 5th class interface is
IIC interface.
8. synchronous processing circuit according to claim 7, which is characterized in that the 6th class interface is in lower interface
Any one: SPI interface, IIC interface and serial line interface.
9. a kind of synchronization processing apparatus, which is characterized in that including circuit board and as described in claim 1 to 8 any one
Synchronous processing circuit；
The synchronous processing circuit is arranged on the circuit board.
10. a kind of System of Synchronous Processing, which is characterized in that further include connecting including synchronization processing apparatus as claimed in claim 9
The imaging sensor for connecing described image sensor interface module, further include connect the interactive interface component arm processor and/
Or system level chip, it further include connecting the RTK sensor and/or inertial sensor for expanding interface module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821716682.6U CN209044332U (en) | 2018-10-22 | 2018-10-22 | Synchronous processing circuit, synchronous processing device and synchronous processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821716682.6U CN209044332U (en) | 2018-10-22 | 2018-10-22 | Synchronous processing circuit, synchronous processing device and synchronous processing system |
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| Publication Number | Publication Date |
|---|---|
| CN209044332U true CN209044332U (en) | 2019-06-28 |
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| CN201821716682.6U Active CN209044332U (en) | 2018-10-22 | 2018-10-22 | Synchronous processing circuit, synchronous processing device and synchronous processing system |
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2018
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