CN110113870A - A kind of pcb board and a kind of Video Codec based on coding and decoding video - Google Patents
A kind of pcb board and a kind of Video Codec based on coding and decoding video Download PDFInfo
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- CN110113870A CN110113870A CN201910398782.1A CN201910398782A CN110113870A CN 110113870 A CN110113870 A CN 110113870A CN 201910398782 A CN201910398782 A CN 201910398782A CN 110113870 A CN110113870 A CN 110113870A
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- pcb board
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/44—Decoders specially adapted therefor, e.g. video decoders which are asymmetric with respect to the encoder
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/141—One or more single auxiliary printed circuits mounted on a main printed circuit, e.g. modules, adapters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
Abstract
The invention discloses a kind of pcb board based on coding and decoding video, the core board including corresponding core chips, and the bottom plate of corresponding general-purpose device.Wherein core board is for being arranged core chips, and bottom plate is used to that general-purpose device to be arranged, i.e., above-mentioned pcb board is specially seperated design, and a part is core board, and another part is bottom plate.Since core chips is to the more demanding of core board, the measures such as more stack-designs, laser blind hole/buried via hole and impedance strict control usually are needed to core board, so that the cost of core board is higher；And requirement of the general-purpose device to bottom plate is relatively low, and the lower technique production bottom plate of cost can be used.Pcb board is designed to split type structure, the region application core plate of high cost pcb board can needed, and only needs the region of inexpensive pcb board using bottom plate, the cost of pcb board can be effectively reduced.The present invention also provides a kind of Video Codecs, equally have above-mentioned beneficial effect.
Description
Technical field
The present invention relates to printed wiring board technical fields, more particularly to a kind of pcb board based on coding and decoding video and one
Kind Video Codec.
Background technique
With advances in technology and technology constantly develops, Video Codec using more and more extensive.
At this stage, the device in Video Codec is mainly divided into two parts, and a part of most important component is for locating
Manage core chips and the relational storage etc. of the core business such as video data acquiring, image signal process；Another part be for
Handle the general-purpose devices such as power supply chip, the general digital chip of general service.However at this stage, it is arranged in Video Codec
There is the cost of the pcb board of each electronic component excessively high, so how to provide a kind of PCB based on coding and decoding video of low cost
Plate is those skilled in the art's urgent problem.
Summary of the invention
The object of the present invention is to provide a kind of pcb boards based on coding and decoding video, have lower cost；The present invention also mentions
A kind of Video Codec has been supplied, there is lower cost.
In order to solve the above technical problems, the present invention provides a kind of pcb board based on coding and decoding video, including corresponding core core
The bottom plate of the core board of piece and corresponding general-purpose device；
The core board is provided with the core chips for coding and decoding video, and the core board is provided with described in correspondence
The functional pin of core chips, the functional pin include video image output interface pin, video acquisition interface pin, network
Communication interface pin, memory interface pin, digital audio interface pin, power interface pin and peripheral communication interfaces pin；
The bottom plate is provided with the general-purpose device, and the pad of the corresponding functional pin；The functional pin with
The corresponding pad solder, is electrically connected the core board with the bottom plate.
Optionally, the video image output interface pin includes BT.1120 video image output interface pin.
Optionally, the video acquisition interface pin includes the shared video acquisition interface pin of LVDS and MIPI.
Optionally, the network communication interface pin includes RGMII network communication interface pin.
Optionally, the memory interface pin includes:
SPI Nor flash memory interface pin, Nand flash memory interface pin and eMMC reservoir interface
Pin.
Optionally, the peripheral communication interfaces pin includes:
UATR communication interface pin, I2C communication interface pin, SPI communication interface pin and USB communication interface pin.
Optionally, the functional pin further includes at least one reserved function pin.
Optionally, the functional pin is set to the core board around the core board along core board bottom surface edge
Bottom surface.
Optionally, the bottom plate is provided with the groove for accommodating core board bottom surface electronic component.
The present invention also provides a kind of Video Codec, including as described in any one of the above embodiments based on coding and decoding video
Pcb board.
A kind of pcb board based on coding and decoding video provided by the present invention, the core board including corresponding core chips, and
The bottom plate of corresponding general-purpose device.Wherein core board is for being arranged core chips, and bottom plate is for being arranged general-purpose device, i.e., above-mentioned
Pcb board is specially seperated design, and a part is core board, and another part is bottom plate.Since core chips wants core board
It asks higher, the measures such as more stack-designs, laser blind hole/buried via hole and impedance strict control usually is needed to core board, are made
The cost for obtaining core board is higher；And requirement of the general-purpose device to bottom plate is relatively low, and the lower technique production of cost can be used
Bottom plate.Pcb board is designed to split type structure, the region application core plate of high cost pcb board can needed, and is only needed low
Bottom plate is applied in the region of cost pcb board, can effectively reduce the cost of pcb board.
Above-mentioned core board is provided with the functional pin of corresponding core chips simultaneously, in the core chips and bottom plate in core board
General-purpose device by above-mentioned functional pin realize communication.Above-mentioned functional pin includes video image output interface pin, video
Acquisition interface pin, network communication interface pin, memory interface pin, digital audio interface pin, power interface pin and
Peripheral communication interfaces pin, above-mentioned core board include the interface pin of multiple functions, so that core board has sufficient scalability,
Extensive compatibility and flexible reusability, when core chips updates, above-mentioned functional pin all has good suitable
With property, the structure of core board can be no longer redesigned.
The present invention also provides a kind of Video Codecs, equally have above-mentioned beneficial effect, are no longer repeated herein.
Detailed description of the invention
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present invention or the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of the pcb board based on coding and decoding video provided by the embodiment of the present invention；
Fig. 2 is the decomposition texture schematic diagram of Fig. 1；
Fig. 3 be one kind provided by the embodiment of the present invention specifically in the pcb board based on coding and decoding video core board knot
Structure schematic diagram；
Fig. 4 is the structure of the specific pcb board insole board based on coding and decoding video of one kind provided by the embodiment of the present invention
Schematic diagram；
Fig. 5 is the module frame chart of Fig. 3；
The functional pin that Fig. 6 is Fig. 3 defines figure.
In figure: 1. core boards, 2. core chipss, 3. functional pins, 4. bottom plates, 5. general-purpose devices, 6. pads, 7. grooves,
8. positioning region.
Specific embodiment
Core of the invention is to provide a kind of pcb board based on coding and decoding video.In the prior art, Video Codec
The electronic component of interior pcb board installation is broadly divided into two parts, and a part of most important component is for handling video data
The core chips of the core business such as acquisition, image signal process and relational storage etc.；Another part is for handling general industry
The general-purpose devices such as power supply chip, the general digital chip of business.Wherein core chips is to the more demanding of pcb board, it usually needs more
The measures such as more stack-design, laser blind hole/buried via hole and impedance strict control, so that the higher cost of pcb board entirety.But
At the same time, general-purpose device does not need have excessively high performance requirement to pcb board, so that pcb board is being arranged in the prior art
The region of general-purpose device will cause performance surplus, so that the cost of pcb board entirety is excessively high.
And a kind of pcb board based on coding and decoding video provided by the present invention, the core board including corresponding core chips, with
And the bottom plate of corresponding general-purpose device.Wherein core board is for being arranged core chips, and bottom plate is for being arranged general-purpose device, i.e., above-mentioned
Pcb board is specially seperated design, and a part is core board, and another part is bottom plate.Since core chips wants core board
It asks higher, the measures such as more stack-designs, laser blind hole/buried via hole and impedance strict control usually is needed to core board, are made
The cost for obtaining core board is higher；And requirement of the general-purpose device to bottom plate is relatively low, and the lower technique production of cost can be used
Bottom plate.Pcb board is designed to split type structure, the region application core plate of high cost pcb board can needed, and is only needed low
Bottom plate is applied in the region of cost pcb board, can effectively reduce the cost of pcb board.
Above-mentioned core board is provided with the functional pin of corresponding core chips simultaneously, in the core chips and bottom plate in core board
General-purpose device by above-mentioned functional pin realize communication.Above-mentioned functional pin includes video image output interface pin, video
Acquisition interface pin, network communication interface pin, memory interface pin, digital audio interface pin, power interface pin and
Peripheral communication interfaces pin, above-mentioned core board include the interface pin of multiple functions, so that core board has sufficient scalability,
Extensive compatibility and flexible reusability, when core chips updates, above-mentioned functional pin all has good suitable
With property, the structure of core board can be no longer redesigned.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.Obviously, described embodiments are only a part of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Fig. 1 and Fig. 2 is please referred to, Fig. 1 is a kind of pcb board based on coding and decoding video provided by the embodiment of the present invention
Structural schematic diagram；Fig. 2 is the decomposition texture schematic diagram of Fig. 1.
Referring to Fig. 1 and Fig. 2, in embodiments of the present invention, the pcb board based on coding and decoding video includes corresponding core
The bottom plate 4 of the core board 1 of chip 2 and corresponding general-purpose device 5；The core board 1 is provided with for described in coding and decoding video
Core chips 2, the core board 1 are provided with the functional pin 3 of the corresponding core chips 2, and the functional pin 3 includes video
Image output interface pin, video acquisition interface pin, network communication interface pin, memory interface pin, digital audio connect
Mouth pin, power interface pin and peripheral communication interfaces pin；The bottom plate 4 is provided with the general-purpose device 5, and corresponding institute
State the pad 6 of functional pin 3；The functional pin 3 is welded with the corresponding pad 6, makes the core board 1 and the bottom plate
4 electrical connections.
Above-mentioned core chips 2 in embodiments of the present invention particularly for the core chips of coding and decoding video 2, specifically,
Above-mentioned core chips 2 is mainly for the treatment of core business such as video data acquiring, real-time coding and image signal processes.It can be with
Understand, the quantity for core chips 2 and type and is not specifically limited, the core chips in embodiments of the present invention
2 quantity can be the chip with repertoire and be also possible to multiple chips with different function, depending on concrete condition
Depending on.But above-mentioned core chips 2 is required to be located at 1 surface of core board.Specifically, above-mentioned core chips 2 can specifically include
DSP (Digital Signal Processing) chip, FPGA (field programmable gate array) chip, SoC (system-level) chip, storage particle etc..
Under normal conditions, above-mentioned core chips 2 is required to highly integrated, big density and the BGA package of thin space is installed on core
1 surface of core, while needing to arrange in pairs or groups 0402 or less the accurate capacitance resistance ware encapsulated on 2 surface of core chips.Based on above-mentioned encapsulation,
Core board 1 needs to take 8 layers or more of stack-design, laser blind hole/buried via hole and impedance strict control etc. under normal conditions
High-end technique preparation, so that the higher cost of core board 1.Specific structure in relation to core board 1 can according to the actual situation voluntarily
Setting, is not specifically limited herein.In embodiments of the present invention, one piece of core board 1 for being equipped with electronic component usually requires
With structures such as processor cores module, DSP (Digital Signal Processing) module, running memory, increased flash memory, high-speed buses.
Above-mentioned general-purpose device 5 is usually specially general digital chip, DC/DC power supply chip, inserts in embodiments of the present invention
Part packaging etc., i.e., above-mentioned general-purpose device 5 is commonly used in realization conversational traffic such as controlling power supply.It is understood that
It is to the specific type and structure of general-purpose device 5 and to be not specifically limited in embodiments of the present invention.Above-mentioned general-purpose device 5
It is of less demanding to generally include multiple pairs of encapsulation, it can be mounted on the electronic component on conventional pcb board surface.Based on above-mentioned envelope
Dress, so that the manufacture craft requirement of above-mentioned bottom plate 4 is lower, making bottom plate 4 accordingly, cost is relatively low.In relation to the specific of bottom plate 4
Structure and the specific type of general-purpose device 5, quantity and distribution can sets itself according to the actual situation, do not do herein specific
It limits.It should be noted that the cost of bottom plate 4 can be significantly lower than the cost of core board 1 in embodiments of the present invention.
Above-mentioned core board 1 is provided with the functional pin 3 of corresponding core chips 2, and the corresponding function is provided on bottom plate 4
The pad 6 of pin 3 is in communication with each other between above-mentioned core board 1 and bottom plate 4 by above-mentioned functional pin 3 and pad 6.In this hair
In bright embodiment, it is logical that above-mentioned functional pin 3 specifically includes video image output interface pin, video acquisition interface pin, network
Believe interface pin, memory interface pin, digital audio interface pin, power interface pin and peripheral communication interfaces pin.
The different function of the corresponding above-mentioned core chips 2 of above-mentioned different types of functional pin 3, wherein in core chips 2
Video image data is outwardly exported from video image output interface pin；Core chips 2 is connect by video acquisition interface pin
By extraneous video image data；It is in communication with each other between core chips 2 and network by network communication interface pin；Core chips
Variety classes memory in 2 receives data to be stored by memory interface pin；The digital audio handled in core chips 2
Data are interacted by digital audio interface pin with the external world；Core chips 2 passes through the power supply of power interface pin and bottom plate 4
Electrical connection；Core chips 2 is interacted in a manner of non-network communication with the external world peripheral communication interfaces pin.
Repertoire of the above-mentioned functional pin 3 to the core chips 2 for being applied to coding and decoding video, can make the installation present invention
The Video Codec of pcb board based on coding and decoding video provided by embodiment, which is realized, passes through video input interface, such as
HDMI or DVI receives video data, encodes to video data, transmits the entire flow of data outward by network line；
And data are received by network line, data are decoded, the video data for being completed decoding by video input interface
The entire flow shown by display.It should be noted that in actual use, core chips 2 may be not
It needs to interact using repertoire pin 3 with the external world.But the functional pin 3 of the above-mentioned all categories of setting can guarantee
When being updated the replacement to core chips 2, do not need redesigning core board 1, it is only necessary to will be different types of in core board 1
Functional pin 3 and the pin of core chips 2 are correspondingly connected with.
Above-mentioned bottom plate 4 is provided with the pad 6 of corresponding above-mentioned functional pin 3, after mounting functional pin 3 and corresponding weldering
Disk 6 is welded to each other to realize electrical connection.Under normal conditions, for the ease of the setting of functional pin 3, above-mentioned functional pin 3 is usually
It can be set to 1 bottom surface of core board around core board 1 along 1 bottom surface edge of core board, corresponding above-mentioned pad 6 is usually arranged in a ring
In 4 surface of bottom plate.Due to two opposite surfaces in core board 1, i.e. electricity usually can be arranged in the front and bottom surface of core board 1
Sub- component, in order to guarantee that core board 1 can be welded in 4 surface of bottom plate, above-mentioned bottom plate 4 usually requires to be provided with for accommodating core
The groove 7 of 1 bottom surface electronic component of core.Under normal conditions, above-mentioned groove 7 needs to penetrate bottom plate 4, i.e., bottom plate 4 is in engrave at this time
Hollow structure, to guarantee that bottom plate 4 will not impact the installation of core board 1.
A kind of pcb board based on coding and decoding video provided by the embodiment of the present invention, the core including corresponding core chips 2
Plate 1, and the bottom plate 4 of corresponding general-purpose device 5.Wherein core board 1 is for being arranged core chips 2, and bottom plate 4 is general for being arranged
Device 5, i.e., above-mentioned pcb board are specially seperated design, and a part is core board 1, and another part is bottom plate 4.Due to core core
Piece 2 is more demanding to core board 1, usually needs more stack-designs, laser blind hole/buried via hole and impedance to core board 1
The measures such as strict control, so that the cost of core board 1 is higher；And requirement of the general-purpose device 5 to bottom plate 4 is relatively low, can make
Bottom plate 4 is made with the lower technique of cost.Pcb board is designed to split type structure, it can be in the region for needing high cost pcb board
Application core plate 1, and only need the region of inexpensive pcb board that can effectively reduce the cost of pcb board using bottom plate 4.
Above-mentioned core board 1 is provided with the functional pin 3 of corresponding core chips 2 simultaneously, the core chips 2 in core board 1 with
General-purpose device 5 in bottom plate 4 realizes communication by above-mentioned functional pin 3.Above-mentioned functional pin 3 includes video image output interface
Pin, video acquisition interface pin, network communication interface pin, memory interface pin, digital audio interface pin, power supply connect
Mouth pin and peripheral communication interfaces pin, above-mentioned core board 1 include the interface pin of multiple functions, are filled so that core board 1 has
The scalability of foot, extensive compatibility and flexible reusability, when core chips 2 updates, above-mentioned functional pin 3 is
With good applicability, the structure of core board 1 can be no longer redesigned.
It will implement in following inventions in relation to a kind of specific structure of the pcb board based on coding and decoding video provided by the present invention
It is described in detail in example.
Referring to FIG. 3, Fig. 4, Fig. 5 and Fig. 6, Fig. 3 is that one kind provided by the embodiment of the present invention is specifically based on video
The structural schematic diagram of core board in the pcb board of encoding and decoding；Fig. 4 is that one kind provided by the embodiment of the present invention is specifically based on video
The structural schematic diagram of the pcb board insole board of encoding and decoding；Fig. 5 is the module frame chart of Fig. 3；The functional pin that Fig. 6 is Fig. 3 defines figure.
It is different from foregoing invention embodiment, the embodiment of the present invention is on the basis of foregoing invention embodiment, further
The structure of pcb board based on coding and decoding video is specifically limited.Remaining content carries out in foregoing invention embodiment
It is discussed in detail, is no longer repeated herein.
Referring to Fig. 3 and Fig. 4, in embodiments of the present invention, for the ease of the setting of pin, the functional pin 3 is along institute
It states 1 bottom surface edge of core board and is set to 1 bottom surface of core board around the core board 1, repertoire pin 3 is in a ring at this time
Around core chips 2；While in order to improve the forced area in welding between core board 1 and bottom plate 4, above-mentioned functional pin 3
It can be made stamp cellular type structure, i.e., the exposed side wall of functional pin 3 be arranged to a semi-circular grooves, to be used for Contact welding
Material.Specific structure in relation to functional pin 3 can refer to the prior art, no longer be repeated herein.
Referring to Fig. 5, core board 1 can specifically install H.265 encoding and decoding SoC (system level chip) in embodiments of the present invention
As core chips 2, and the DC/DC converter with the core chips 2 cooperation.It should be noted that above-mentioned functional pin 3
Be specifically defined the functional module for corresponding to above-mentioned core chips 1 and DC/DC converter, if such as above-mentioned core chips 1 have
USB transmission module then needs in above-mentioned functional pin 3 with USB communication interface pin.It is understood that above-mentioned core board 1
Interior specific functional module can correspond to each other reference with the definition of following function pin 3, specifically, above-mentioned video image exports
Interface pin may include BT.1120 video image output interface pin, i.e., the video image output interface can be specially logical
The digital interface of BT.1120 agreement transmitting video image data is crossed, and BT.1120 is the high-definition television studio (HDTV) letter
The digital interface of number BT709 specification；Above-mentioned video acquisition interface pin may include that the shared video acquisition of LVDS and MIPI connects
Mouth pin, i.e., above-mentioned video acquisition interface pin can receive the vision signal of LVDS (low-voltage differential signal) type simultaneously,
And the vision signal that MPI (Mobile Industry Processor Interface) is transmitted；Above-mentioned network communication interface pin may include RGMII
Network communication interface pin, i.e., can be especially by RGMII (Reduced GMII Ji between above-mentioned core chips 2 and Ethernet
Bit medium independent interface) transmission data, to reach higher transmission rate；Above-mentioned memory interface pin may include SPI
Nor flash memory interface pin, Nand flash memory interface pin and eMMC reservoir interface pin, above-mentioned three kinds
The corresponding three kinds of storages particle common at this stage of memory interface pin, so that core board 1 can provided by the embodiment of the present invention
To use different types of storage medium, so that core board 1 has extensive reusability；Above-mentioned peripheral communication interfaces pin
It may include UATR communication interface pin, I2C communication interface pin, SPI communication interface pin and USB communication interface pin, on
Stating four kinds of communication interface pins includes that main serial data bus type, guarantee core chips 2 can pass through difference at this stage
The serial data bus type of type is interacted with the external world, to guarantee that it is good that core board 1 provided by the embodiment of the present invention has
Applicability and extensive reusability；Above-mentioned functional pin 3 can also include at least one reserved function pin 3, to guarantee
It is subsequent when being updated the replacement to core chips 2, if there is new function, it is only necessary to above-mentioned reserved function pin 3 is enabled,
It does not need to redesign to core board 1, to guarantee that core board 1 has sufficient scalability.
Specifically, 200 functional pins 3 can be set in core board 1 altogether in embodiments of the present invention referring to Fig. 6,
200 functional pins 3 can be arranged around core board 1, and the spacing between adjacent functional pin 3 at this stage usually exists
0.8mm or so does not do specific limit for the specific length of spacing between adjacent functional pin 3 in embodiments of the present invention certainly
It is fixed, it is depending on the circumstances.Concrete function and the pin definition of above-mentioned 200 functional pins 3 may refer to following table:
1. core board functional pin of table describes list
By upper table it is found that the core board that above-mentioned functional pin is arranged can carry Hi3519V101 chip as core core
Piece, the core board for carrying Hi3519V101 chip can be completed at video data acquiring, H.265 real-time coding and picture signal
The core functions such as reason.At this stage, core board provided by the embodiment of the present invention can carry Hi3519AV100 chip,
Three kinds of chips of Hi3519V101 chip and Hi3516AV200 chip, wherein at the main corresponding A I algorithm of Hi3519AV100 chip
Reason；The mainly corresponding professional rank monitoring of Hi3519V101 chip；Hi3516AV200 chip mainly corresponds to consumer video product.
In embodiments of the present invention, the functional pin 3 for being located at 1 bottom surface of core board is configured according to upper table 1, it is ensured that core board
1 has sufficient scalability, extensive compatibility and flexible reusability.
Preferably, in embodiments of the present invention, in order to guarantee that core board 1 will not be sent out when bottom plate 4 welds core board 1
Life deviates and leads to pcb board assembling failure, and positioning region 8 can be set between bottom plate 4 and core board 1.Specifically, core board 1
It is usually in rectangle.In embodiments of the present invention, core board 1 is arranged to the rectangle or the square for cutting off single angle that an angle is fillet
Shape, and the groove 7 of the corresponding core board 1 of bottom plate 4 is shaped to the rectangle or cut off list that corresponding said one angle is fillet
The rectangle at angle is accurately positioned core board 1 with bottom plate 4 in welding to realize.
A kind of pcb board based on coding and decoding video provided by the embodiment of the present invention, is arranged to above-mentioned knot for functional pin 3
Structure, it is ensured that core board 1 has sufficient scalability, extensive compatibility and flexible reusability；At core board 1 and bottom
Positioning region 8 is set between plate 4, it is ensured that will not shift between core board 1 and bottom plate 4 in welding.
The present invention also provides a kind of Video Codecs, including a kind of base as provided by any of the above-described inventive embodiments
In the pcb board of coding and decoding video.Remaining part please refers to the prior art, is no longer repeated herein.
A kind of pcb board based on coding and decoding video as provided by foregoing invention embodiment can effectively reduce pcb board
Cost, while there is sufficient scalability, extensive compatibility and flexible reusability；Corresponding institute of the embodiment of the present invention
The Video Codec of offer equally has lower cost, while having sufficient scalability, extensive compatibility and spirit
Reusability living.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.
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 the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
A kind of pcb board based on coding and decoding video provided by the present invention and a kind of Video Codec are carried out above
It is discussed in detail.Used herein a specific example illustrates the principle and implementation of the invention, above embodiments
Illustrate to be merely used to help understand method and its core concept of the invention.It should be pointed out that for the common skill of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for art personnel, these change
It is also fallen within the protection scope of the claims of the present invention into modification.
Claims (10)
1. a kind of pcb board based on coding and decoding video, which is characterized in that including corresponding to the core board of core chips and corresponding to
The bottom plate of general-purpose device；
The core board is provided with the core chips for coding and decoding video, and the core board is provided with the corresponding core
The functional pin of chip, the functional pin include video image output interface pin, video acquisition interface pin, network communication
Interface pin, memory interface pin, digital audio interface pin, power interface pin and peripheral communication interfaces pin；
The bottom plate is provided with the general-purpose device, and the pad of the corresponding functional pin；The functional pin with it is corresponding
The pad solder, be electrically connected the core board with the bottom plate.
2. the pcb board according to claim 1 based on coding and decoding video, which is characterized in that the video image output connects
Mouth pin includes BT.1120 video image output interface pin.
3. the pcb board according to claim 2 based on coding and decoding video, which is characterized in that the video acquisition interface draws
Foot includes the shared video acquisition interface pin of LVDS and MIPI.
4. the pcb board according to claim 3 based on coding and decoding video, which is characterized in that the network communication interface draws
Foot includes RGMII network communication interface pin.
5. the pcb board according to claim 4 based on coding and decoding video, which is characterized in that the memory interface pin
Include:
SPI Nor flash memory interface pin, Nand flash memory interface pin and eMMC reservoir interface pin.
6. the pcb board according to claim 5 based on coding and decoding video, which is characterized in that the peripheral communication interfaces draw
Foot includes:
UATR communication interface pin, I2C communication interface pin, SPI communication interface pin and USB communication interface pin.
7. the pcb board according to claim 1 based on coding and decoding video, which is characterized in that the functional pin further includes
At least one reserved function pin.
8. the pcb board according to claim 1 based on coding and decoding video, which is characterized in that the functional pin is described in
Core board bottom surface edge is set to the core board bottom surface around the core board.
9. the pcb board according to claim 8 based on coding and decoding video, which is characterized in that the bottom plate, which is provided with, to be used for
Accommodate the groove of core board bottom surface electronic component.
10. a kind of Video Codec, which is characterized in that including as described in any one of claim 1 to 9 claim based on
The pcb board of coding and decoding video.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398782.1A CN110113870A (en) | 2019-05-14 | 2019-05-14 | A kind of pcb board and a kind of Video Codec based on coding and decoding video |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910398782.1A CN110113870A (en) | 2019-05-14 | 2019-05-14 | A kind of pcb board and a kind of Video Codec based on coding and decoding video |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111935940A (en) * | 2020-07-10 | 2020-11-13 | 北京比特大陆科技有限公司 | Computing board assembly and server with same |
| CN113099271A (en) * | 2021-04-08 | 2021-07-09 | 天津天地伟业智能安全防范科技有限公司 | Video auxiliary information encoding and decoding methods and electronic equipment |
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| CN205263573U (en) * | 2015-12-21 | 2016-05-25 | 浙江启扬智能科技有限公司 | Core board |
| CN105976680A (en) * | 2016-06-30 | 2016-09-28 | 申林泉 | Circuit system and development board structure thereof |
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| CN202514004U (en) * | 2012-03-29 | 2012-10-31 | 杭州巨峰科技有限公司 | Audio and video encoding and decoding core board of digital disc video recorder |
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| CN111935940A (en) * | 2020-07-10 | 2020-11-13 | 北京比特大陆科技有限公司 | Computing board assembly and server with same |
| CN113099271A (en) * | 2021-04-08 | 2021-07-09 | 天津天地伟业智能安全防范科技有限公司 | Video auxiliary information encoding and decoding methods and electronic equipment |
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