CN111427807A - Miniature signal processing circuit based on ZYNQ - Google Patents
Miniature signal processing circuit based on ZYNQ Download PDFInfo
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- CN111427807A CN111427807A CN202010219679.9A CN202010219679A CN111427807A CN 111427807 A CN111427807 A CN 111427807A CN 202010219679 A CN202010219679 A CN 202010219679A CN 111427807 A CN111427807 A CN 111427807A
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- 238000013500 data storage Methods 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 4
- 238000001465 metallisation Methods 0.000 claims 1
- 238000013461 design Methods 0.000 description 10
- 230000008901 benefit Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/10—Program control for peripheral devices
- G06F13/102—Program control for peripheral devices where the programme performs an interfacing function, e.g. device driver
Abstract
The miniature signal processing circuit based on ZYNQ comprises a core board, a power board and an interface board which are arranged in a three-dimensional stacked mode, wherein the core board is connected with the power board through a soft belt, and the core board is connected with an interface through the soft belt. The invention realizes the three-dimensional space of the plane problem, perfectly solves the miniaturization problem of the whole system, greatly reduces the area of the signal processor on the basis of ensuring the performance, and reduces the hardware cost investment of 1/3.
Description
Technical Field
The invention relates to a miniature signal processing circuit based on ZYNQ.
Background
The signal processor is a key part of signal processing, and has the functions of receiving, filtering, amplifying and widening high-speed signals, resolving the processed signals to obtain useful information and controlling the motion of the signal processor. The complexity of the signal processing system increases exponentially due to the performance of the signal processing, but the requirement for the miniaturized design of the signal processing circuit is higher and higher.
The existing signal processor receives and processes high-speed weak signals, and meanwhile, more and more devices are used in the circuit, so that the area of a signal processing circuit is larger and larger, the miniaturization of the whole product is directly influenced by the area of the signal processing circuit, and the task of realizing the miniaturized signal processor is urgent in order to adapt to the modern trend of miniaturization and multiple functions.
Disclosure of Invention
The invention provides a ZYNQ-based miniaturized signal processing circuit, which is used for realizing three-dimensional space of a plane problem, perfectly solving the problem of miniaturization of the whole system, greatly reducing the area of a signal processor on the basis of ensuring the performance and reducing the hardware cost input of 1/3.
In order to achieve the above object, the present invention provides a miniature signal processing circuit based on ZYNQ, which comprises a core board, a power board and an interface board, wherein the core board, the power board and the interface board are stacked in a three-dimensional manner, the core board and the power board are connected through a soft tape, and the core board and the interface are connected through a soft tape.
The core board adopts an FPGA + ARM architecture of a ZYNQ extensible processing platform, the core board is provided with a processor and a memory,
the processor adopts XC7Z030 chip in the ZYNQ7000 series of xilinx company, the memory adopts a buffer memory device DDR3 matched with the XC7Z030 chip, and the buffer memory device DDR3 is arranged on the back of the XC7Z030 chip.
The core board is provided with a debugging interface, and the debugging interface is directly arranged on the core board through a metalized bonding pad attached to the surface.
The power panel adopts two linear power supplies L TM4644 of Linte company to provide 8 paths of power supplies under six voltages of 1V, 1.2V, 1.35V, 1.8V, 3.3V and 5V.
The core board is connected with the optical plate through an optical module interface, the optical module interface adopts a connector in a surface-mounted mode of samtec company, and the 60-path signal connection of the optical sampling module in the optical plate is completed in a plug-in mode.
The interface board is provided with an external communication interface, and the external communication interface comprises: a high-speed interface, and a power supply and low-speed transmission interface;
the high-speed interface comprises an MGT interface and realizes high-speed transmission;
the power supply and low-speed transmission interface comprises: the device comprises a power supply interface, a UART interface, a 422 interface, a can interface and a GPIO interface.
The interface board is connected with the power panel through a contact pin, an external power supply is connected into the interface board through a power supply interface and then introduced into the power panel through the contact pin.
The core board is provided with a data storage module, and the data storage module performs data interaction with the core board through a soft belt.
The core board, the power board and the interface board are circular boards with the diameter of 36.5mm, and the distance between every two adjacent boards is 5-10 mm.
The invention is based on ZYNQ framework, divides the whole signal processing circuit into a core board, a power board and an interface board which are stacked in a three-dimensional way, adopts flexible printed board technology, realizes stable and reliable transmission of information in a form of embedding a soft belt into a hard board, realizes three-dimensional space of a plane problem, perfectly solves the problem of miniaturization of the whole system, greatly reduces the area of a signal processor on the basis of ensuring the performance, and reduces the hardware cost investment of 1/3.
Drawings
Fig. 1 is a schematic diagram of a detailed structure of a miniaturized signal processing circuit based on ZYNQ according to the present invention.
FIG. 2 is a schematic chip circuit diagram of a ZYNQ-based miniaturized signal processing circuit provided by the present invention.
Detailed Description
The preferred embodiment of the present invention will be described in detail below with reference to fig. 1 to 2.
As shown in fig. 1 and fig. 2, the present invention provides a miniaturized signal processing circuit based on ZYNQ, which comprises a core board 1, a power board 2 and an interface board 3 (due to the limitation of project three-dimensional space, the distance between adjacent boards is 5-10 mm), wherein the core board 1 and the power board 2 are connected through a soft strip 4, and the core board 1 and the interface board 3 are connected through a soft strip 5.
In one embodiment of the invention, the core board adopts software development core technology of ZYNQ (extensible processing platform) series FPGA + ARM architecture platform, solves software integration design problems of image processing, navigation calculation, guidance control and steering engine control, and meets strict requirements of project miniaturization design, as shown in FIG. 2, the core board comprises a processor and a memory, the processor adopts a Xilinx ZYNQ7000 series software integrated design problem, the whole area of the chip is 27 × 27(mm), and occupies 70% of the area of the whole core board, the memory adopts a cache device DDR3 matched with an XC7Z030 chip, the DDR3 is placed on the back of the FPGA of the processor, and the problem of insufficient layout space is solved.
In an embodiment of the invention, the debugging interface 7 is directly arranged on the core board through the metallized bonding pad which is attached to the surface, and when a program is programmed or a system is debugged, a tool probe is pressed on the debugging interface 7, so that the method is convenient and fast and does not occupy the resources of the external interface of the system.
In one embodiment of the invention, the power panel adopts two linear power supplies L TM4644 with excellent performance of Linte company, the power supply single chip has 4 independent output capacities and the maximum output capacity of 4A of each path, the power supply realizes the power supply of the whole signal processing circuit from the power supply, and comprises 1V, 1.2V, 1.35V, 1.8V, 3.3V and 5V, in order to meet the requirement of large voltage current of a processor FPGA (1V) in a core panel, two paths are connected in parallel to realize the power supply capacity of 8A, in order to consider the requirements of large voltage current of 1.8V of peripheral circuits (such as protocol chips of UART and CAN controllers, servo systems and the like), the power supply capacity of 8A is realized in parallel, wherein the voltage of 1.35V is used for supplying power for DDR3 of the core panel, the power supply of the processor FPGA is realized by 1.2V, the power supply board of 3V is realized for the processor FPGA, the power supply board of 5V, the whole power supply board is reasonably distributed into six power supply modules of a full-size power supply board (YNYNQ, and the power supply system is reasonably distributed on the basis of six paths of a 1.8V, the whole signal processing system, the diameter of a single power supply system, and the ZQ and the diameter of a single power supply system is reasonably distributed on the full scale of a single power supply system.
As shown in fig. 1, in an embodiment of the present invention, the core board 1 is further connected to an optical board (not shown) through an optical module interface 301, the optical module interface 301 adopts a connector in a surface mount manner of samtec corporation, and completes the connection with 60 channels of signals of the optical sampling module in the optical board in an add-drop manner.
As shown in fig. 1 and fig. 2, in an embodiment of the present invention, the interface board 3 includes: the external communication interface is used for external communication, such as control over other systems and receiving feedback information of other systems.
The external communication interface comprises: a high-speed interface 302, and a power-supply and low-speed transmission interface 303. As shown in fig. 2, the high-speed interface 302 adopts a 2-way MGT interface, and the MGT interface realizes high-speed transmission (3.125 Gbps). As shown in fig. 2, the power supply and low-speed transmission interface 303 includes: a power supply interface (not shown), a UART interface, a 2-way 422 interface, a 1-way can interface and a 4-way GPIO interface. In this embodiment, 3419 manufacturer J70 series subminiature connectors are selected to complete the external communication of 31-channel signals in the external communication system. The UART interface is converted into a 422 interface through a 422 protocol chip, and can be directly used as a 232 interface without conversion of the 422 protocol chip. As shown in fig. 1, a large voltage (greater than 12V) which has a large influence on signal quality in the system is connected to the interface board 3 through the power supply interface, and is directly and conveniently led into the power board 2 from the interface board 3 in a pin 6 manner, so that the power rail of the whole system works smoothly and efficiently, and the width of the soft band is also greatly reduced.
By utilizing the advantage that the connection distance between the three boards is short through the soft belt, the data storage module (F L ASH) originally arranged in the core board is scientifically placed on the interface board, and the information interaction is realized through the soft belt and the wiring in the core board, so that the core small system of the core board is effectively dispersed, and a foundation is laid for the successful realization of the miniaturization of the core board.
The invention divides the whole system into three boards of power supply, core and interface according to the important sensitivity of function and signal, the information interaction of three boards abandons the traditional mode of plug-in interconnection between two boards, and the invention adopts flexible printed board technology and realizes the stable and reliable transmission of information by embedding the flexible belt into the hard board. The power supply board is flexibly connected with the core board by one film, and the core board is connected with the interface board by one film, so that the requirement of the system on power supply is met, and the harsh requirement of a good reference plane for stable transmission of high-speed signals is met.
The invention utilizes the advantages of the flexible belt in the aspect of bending property, and the three plates are arranged in an Oreou manner, so that the plane problem is three-dimensionally solved in space, and the problem of miniaturization of the whole system is perfectly solved. The design has great advantages in terms of hardware cost, 4 connectors with high-speed transmission functions are omitted, and hardware cost investment of 1/3 is reduced.
Compared with the existing signal processing hardware circuit, the invention has the following characteristics:
compared with the traditional signal processing hardware circuit, the invention still has high-speed sampling capability on the basis of the total area diameter of the hardware circuit of 36.5 mm. Compared with other signal processing hardware circuits, the hardware circuit board has the advantage that the use area of the hardware circuit board is up to 90%.
The ZYNQ is adopted to replace the traditional FPGA + DSP framework, the control part is integrated, the flexible printed board technology is introduced, the three-dimensional connection between boards is realized, and the area of a signal processor is greatly reduced on the basis of ensuring the performance. The invention fully utilizes the cooperative characteristics of software and hardware of the Zynq platform, and the design scheme can meet the miniaturized circuit structure of the design requirement through experimental verification. The design is novel, the reliability is strong, and the design has certain practical value for the research of the miniaturized circuit design.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (10)
1. The miniature signal processing circuit based on ZYNQ is characterized by comprising a core board, a power board and an interface board which are arranged in a three-dimensional stacked mode, wherein the core board and the power board are connected through a soft belt, and the core board and an interface are connected through the soft belt.
2. The ZYNQ-based miniaturized signal processing circuit of claim 1 wherein the core board employs an FPGA + ARM architecture of a ZYNQ scalable processing platform, the core board having a processor and a memory thereon.
3. The ZYNQ-based miniaturized signal processing circuit as claimed in claim 2, wherein the processor adopts XC7Z030 chips in series ZYNQ7000 of xilinx corporation, the memory adopts a buffer device DDR3 matched with the XC7Z030 chips, and the buffer device DDR3 is arranged on the back of the XC7Z030 chips.
4. The ZYNQ-based miniaturized signal processing circuit of claim 2 wherein the core board has debug interfaces thereon, the debug interfaces being disposed directly on the core board through surface-mounted metallization pads.
5. The ZYNQ-based miniaturized signal processing circuit as claimed in claim 1, wherein the power panel adopts two linear power supplies L TM4644 of Linte corporation to provide 8 power supplies under six voltages of 1V, 1.2V, 1.35V, 1.8V, 3.3V and 5V.
6. The ZYNQ-based miniaturized signal processing circuit of claim 1 wherein the core board is connected to the optical board through an optical module interface, the optical module interface employs a connector of samtec corporation surface mount type, and the connection to the 60-channel signal of the optical sampling module in the optical board is completed by means of plug-in.
7. The ZYNQ-based miniaturized signal processing circuit of claim 1, wherein an external communication interface is provided on said interface board, said external communication interface comprising: a high-speed interface, and a power supply and low-speed transmission interface;
the high-speed interface comprises an MGT interface and realizes high-speed transmission;
the power supply and low-speed transmission interface comprises: the device comprises a power supply interface, a UART interface, a 422 interface, a can interface and a GPIO interface.
8. The ZYNQ-based miniaturized signal processing circuit of claim 7 wherein the interface board is connected to the power board via pins, and an external power source is connected to the interface board via a power interface and then introduced to the power board via the pins.
9. The ZYNQ-based miniaturized signal processing circuit of claim 1 wherein the core board has a data storage module disposed thereon, the data storage module interacting with the core board through a soft tape.
10. The ZYNQ-based miniaturized signal processing circuit as claimed in claim 1, wherein the core board, the power board and the interface board are circular boards with a diameter of 36.5mm, and the distance between two adjacent boards is 5-10 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010219679.9A CN111427807A (en) | 2020-03-25 | 2020-03-25 | Miniature signal processing circuit based on ZYNQ |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010219679.9A CN111427807A (en) | 2020-03-25 | 2020-03-25 | Miniature signal processing circuit based on ZYNQ |
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| CN111427807A true CN111427807A (en) | 2020-07-17 |
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| CN202010219679.9A Pending CN111427807A (en) | 2020-03-25 | 2020-03-25 | Miniature signal processing circuit based on ZYNQ |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112367537A (en) * | 2020-11-02 | 2021-02-12 | 上海无线电设备研究所 | Video acquisition-splicing-display system based on ZYNQ |
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| US20170129364A1 (en) * | 2015-02-05 | 2017-05-11 | Crrc Qingdao Sifang Rolling Stock Research Institute Co.,Ltd. | Traction control system for electric multiple units |
| CN207704354U (en) * | 2018-01-04 | 2018-08-07 | 北京普利永华科技发展有限公司 | A kind of multi-functional board of flexible combination |
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2020
- 2020-03-25 CN CN202010219679.9A patent/CN111427807A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203398756U (en) * | 2012-10-16 | 2014-01-15 | 南京因泰莱配电自动化设备有限公司 | OLED (Organic Light-Emitting Diode) display based protection, measurement and control integrated device for feed line |
| US20170129364A1 (en) * | 2015-02-05 | 2017-05-11 | Crrc Qingdao Sifang Rolling Stock Research Institute Co.,Ltd. | Traction control system for electric multiple units |
| CN207704354U (en) * | 2018-01-04 | 2018-08-07 | 北京普利永华科技发展有限公司 | A kind of multi-functional board of flexible combination |
Non-Patent Citations (4)
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| 乾引: "基于ZYNQ的在线产品智能检测系统研究", no. 2 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112367537A (en) * | 2020-11-02 | 2021-02-12 | 上海无线电设备研究所 | Video acquisition-splicing-display system based on ZYNQ |
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