Chip function simulation device

Abstract

The utility model discloses a chip function simulation device, relates to the related field of function simulation, and solves the problems that a traditional chip function simulation device is poor in stability, low in working efficiency and large in result deviation. According to the technical scheme, the chip function simulation device comprises a power supply assembly, a microprocessor, a chip simulation assembly, a communication interface, a signal detection circuit and a signal processor, functions and behaviors of a target chip are simulated through the chip simulation assembly, and the stability of the simulation process is improved; communication and data transmission are carried out on the target chip through the communication interface, so that the working efficiency of simulation is improved; signal data are analyzed and processed through the signal detection circuit and the signal processor, and the accuracy of simulation results is improved.

Description

Technical Field

[0001] The utility model relates to the field of function simulation, in particular to a chip function simulation device. Background Art

[0002] Chip functional simulation devices originate from the continuous development of integrated circuit design and manufacturing. With the continuous increase in chip scale and the continuous complexity of functions, traditional manual verification and simulation methods can no longer meet the needs. Therefore, the functional simulation device uses advanced hardware and software technologies to efficiently simulate and test the functions of the chip, thereby improving the efficiency and quality of chip design and development. Chip functional simulation devices are usually used in the fields of communications, computers, automotive electronics, and industrial control, etc., which have brought great convenience to people's lives and brought high work efficiency to industrial development. With the development of science and technology and the progress of society, the development of technology has promoted the improvement and application of functional simulation devices, and chip functional simulation devices have played an important role in the chip design and verification process. However, the current chip functional simulation devices still have the following disadvantages:

[0003] 1. The traditional chip function simulation device does not have comprehensive simulation settings for the chip, resulting in poor simulation stability;

[0004] 2. The traditional chip function simulation device has a low data transmission rate, which reduces the simulation efficiency;

[0005] 3. Traditional chip function simulation devices do not process signal data sufficiently during the simulation process, resulting in large deviations in simulation results;

[0006] Therefore, a chip function simulation device simulates the function and behavior of the target chip through the chip simulation component, thereby improving the stability of the simulation process; realizes communication and data transmission with the target chip through the communication interface, thereby improving the simulation work efficiency; and analyzes and processes the signal data through the signal detection circuit and signal processor, thereby increasing the accuracy of the simulation results. Utility Model Content

[0007] The utility model aims to provide a chip function simulation device in order to solve the problems of poor stability, low working efficiency and large result deviation of the traditional chip function simulation device.

[0008] In order to achieve the above technical effects, the utility model adopts the following technical solutions:

[0009] A chip function simulation device, characterized in that it comprises a power supply component, a microprocessor, a chip simulation component, a communication interface, a signal detection circuit and a signal processor, the signal output end of the power supply component is connected to the signal input end of the microprocessor, the output end of the microprocessor is respectively connected to the input ends of the chip simulation component, the communication interface, the signal detection circuit and the signal processor, the power supply component is located at the bottom of the chip function simulation device, the microprocessor is located to the right of the power supply component, the chip simulation component is located above the microprocessor, the communication interface and the signal detection circuit are distributed on both sides of the chip function simulation device, and the signal processor is located above the chip simulation component.

[0010] As a further description of the above technical solution: the power supply component includes a power manager, a capacitor, a power line and an overheating protection device, the power manager is used to manage and control the power supply; the capacitor is used to provide temporary energy storage; the power line adopts fiber material to connect the power supply component and the chip; the overheating protection device is used to monitor the temperature of the chip.

[0011] As a further description of the above technical solution: the microprocessor includes a processor, a memory, a timer and an interrupt controller, the processor is used to send instructions and control the operation of the chip function simulation device; the memory is used to store and read instructions and data; the timer is used to trigger specific operations at a fixed time; the interrupt controller is used to manage and process interrupt events of the microprocessor, the signal output end of the processor is connected to the signal input end of the memory, the signal output end of the memory is connected to the signal input end of the timer, and the signal output end of the timer is connected to the signal input end of the interrupt controller.

[0012] As a further description of the above technical solution: the chip simulation component includes a signal source, a clock and a simulation control module, the signal source is used to provide different types of signal sources in the functional simulation scenario; the clock and the chip are electrically connected to describe the clock signal inside the chip; the simulation control module is used to control and configure the chip simulation model, and the signal output end of the chip simulation component is connected to the signal input end of the communication interface.

[0013] As a further description of the above technical solution: the communication interface includes a serial communication interface, a parallel communication interface, a GPIO communication interface and a data bus. The serial communication interface adopts an SPI model interface for data transmission between the chip and external devices; the parallel communication interface adopts an ISA model interface for simultaneously transmitting multiple data bits; the GPIO communication interface is connected to the input and output pins of the chip, and is used for communication, control and data transmission of the chip; the GPIO communication interface is used for data exchange between different components inside the chip, and the signal output end of the communication interface is connected to the signal input end of the signal detection circuit.

[0014] As a further description of the above technical solution: the signal detection circuit includes an input interface, a preamplifier, a comparator, a sampling circuit and an output interface, the input interface and the preamplifier are electrically connected to receive the signal to be detected; the preamplifier is used to amplify the received weak signal; the comparator is used to judge the characteristics of the data signal; the sampling circuit and the output interface are connected to sample the input signal; the output interface is used to output the detected and processed signal, and the signal output end of the signal detection circuit is connected to the signal input end of the signal processor.

[0015] As a further description of the above technical solution: the signal processor includes a digital-to-analog converter, a digital signal processing module and an operation module, the digital-to-analog converter and the digital signal processing module are electrically connected to convert analog signals into digital signals; the digital signal processing module adopts a DSP processor to process and analyze digital signals; the operation module is used to perform operations on chip data.

[0016] The positive and beneficial technical effects of the utility model are: the functions and behaviors of the target chip are simulated by the chip simulation component, thereby improving the stability of the simulation process; communication and data transmission to the target chip are realized through the communication interface, thereby improving the work efficiency of the simulation; and the signal data is analyzed and processed by the signal detection circuit and the signal processor, thereby increasing the accuracy of the simulation results. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the purpose, technical solutions and advantages of the utility model, the utility model will be further described in detail below with reference to the accompanying drawings. It is obvious that the implementation cases described are only part of the embodiments of the utility model, rather than all the embodiments, wherein:

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is the electrical schematic diagram of the utility model;

[0020] Figure 3 This is a schematic diagram of the chip simulation component structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the communication interface structure of the utility model;

[0022] Figure 5 This is a schematic diagram of a signal detection circuit of the utility model;

[0023] In the figure, 1-main controller, 101-CPU processor, 103-input and output interface, 2-sensor, 201-photodiode, 202-temperature sensitive resistor, 203-protective shell, 3-GPS device, 301-antenna, 302-GPS decoder, 303-SD card, 304-power management chip, 4-inertial navigation component, 401-accelerometer, 402-gyroscope, 403-magnetometer, 5-Internet of Things communication component, 501-router, 502-wireless device, 503-encryption chip, 6-display screen, 601-LED lamp, 602-cold cathode lamp, 603-touch panel. DETAILED DESCRIPTION

[0024] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0025] A chip function simulation device comprises a power supply component 1, a microprocessor 2, a chip simulation component 3, a communication interface 4, a signal detection circuit 5 and a signal processor 6, wherein:

[0026] A power supply component 1, used for providing normal power supply to the chip when performing functional simulation;

[0027] Microprocessor 2, used to realize the operation and control functions of the analog chip;

[0028] A chip simulation component 3, used to simulate the function and behavior of the target chip;

[0029] Communication interface 4, used to realize communication and data transmission with the target chip;

[0030] Signal detection circuit 5, used to detect and analyze the signal output by the analog chip;

[0031] A signal processor 6, used for processing input and output signals;

[0032] The signal output end of the power supply component 1 is connected to the signal input end of the microprocessor 2, and the output end of the microprocessor 2 is respectively connected to the input ends of the chip simulation component 3, the communication interface 4, the signal detection circuit 5 and the signal processor 6. The power supply component 1 is located at the bottom of the chip function simulation device, the microprocessor 2 is located to the right of the power supply component 1, the chip simulation component 3 is located above the microprocessor, the communication interface 4 and the signal detection circuit 5 are distributed on both sides of the chip function simulation device, and the signal processor 6 is located above the chip simulation component 3.

[0033] Furthermore, the power supply component 1 includes a power manager 101, a capacitor 102, a power line 103 and an overheating protection device 104, wherein the power manager 101 is used to manage and control the power supply; the capacitor 102 is used to provide temporary energy storage; the power line 103 is made of fiber material and is used to connect the power supply component 1 and the chip; the overheating protection device 104 is used to monitor the temperature of the chip.

[0034] In a specific embodiment, the power manager 101 is responsible for managing and controlling the power supply. Through the power manager 101, we can accurately adjust and control the power supply to meet the different power consumption requirements of the chip. This flexible management and control method can not only ensure the normal operation and stability of the chip, but also save energy and improve the overall power utilization efficiency; the capacitor 102 plays a role of temporary energy storage in the power supply component 1. Since the electronic device will generate instantaneous peak current requirements during operation, the capacitor 102 can quickly release the stored energy to meet these instantaneous requirements and ensure the normal operation of the chip. This temporary energy storage mechanism helps to balance power fluctuations and maintain the stability and reliability of power supply; the power line 103 is made of fiber material It is manufactured to connect the power supply component 1 and the chip. The fiber material has good conductivity and insulation properties, which can effectively reduce energy loss and interference during current transmission. This high-quality connection method can ensure the rapid transmission of power signals and reduce resistance and loss in power lines, thereby improving the power supply effect and the overall performance of the equipment; the overheating protection device 104 is one of the important protection measures of the power supply component 1. It is specifically used to monitor the temperature of the chip. During operation, the heat generated by the chip sometimes exceeds the safety threshold. The overheating protection device 104 can detect this situation in time and take corresponding measures to reduce the temperature to avoid overheating damage to the chip. This temperature monitoring and protection mechanism helps to extend the service life of the chip and improve the reliability and stability of the equipment.

[0035] Furthermore, the power supply component 1 includes a power manager 101, a capacitor 102, a power line 103 and an overheating protection device 104, wherein the power manager 101 is used to manage and control the power supply; the capacitor 102 is used to provide temporary energy storage; the power line 103 is made of fiber material and is used to connect the power supply component 1 and the chip; the overheating protection device 104 is used to monitor the temperature of the chip.

[0036] In a specific embodiment, the power manager 101 is responsible for the precise management and meticulous control of the power supply. It can monitor the power supply status, voltage, current and other parameters to ensure the stability and safety of the power supply. Through the intelligent management of the power supply, the power manager 101 can optimize and adjust the power consumption to improve the energy efficiency and stability of the system; the capacitor 102 plays the role of temporary energy storage in the power supply component 1. When the system needs to release a large amount of energy instantly, the capacitor 102 can discharge quickly to meet the temporary high energy demand. At the same time, the capacitor 102 can also balance the stability of the power supply, and maintain the balance and stability of the power supply by absorbing the pulsation or fluctuation of the power supply; the power line 103 adopts fiber material, which is to ensure the reliable connection between the power supply component 1 and the chip. The fiber material has good electrical insulation and conductivity, and can effectively reduce signal interference and power loss. In addition, the fiber material also has the characteristics of light weight, flexibility and high temperature resistance, so that the power line 103 has stronger durability and reliability in a complex working environment; the overheating protection device 104 plays a key role in monitoring the chip temperature in the power supply component 1. The overheating protection device 104 can sense and monitor the temperature changes of the chip, and promptly send out an alarm signal or adjust the temperature to prevent the chip from being damaged due to overheating. It can ensure the stable operation of the chip within a safe temperature range through real-time monitoring and control of the temperature, thereby effectively extending the service life of the chip.

[0037] Furthermore, the chip simulation component 3 includes a signal source 301, a clock 320 and a simulation control module 303, wherein the signal source 301 is used to provide different types of signal sources in the functional simulation scenario; the clock 320 is electrically connected to the chip to describe the clock signal inside the chip; the simulation control module 303 is used to control and configure the chip simulation model, and the signal output end of the chip simulation component 3 is connected to the signal input end of the communication interface 4.

[0038] In a specific embodiment, the signal source 301 is responsible for generating various types of signal sources, which may include voltage, current, frequency, etc., to simulate various input conditions, so as to perform comprehensive tests during the simulation process. The stability and accuracy of the signal source are crucial to the simulation of the chip, because they directly affect the validity of the simulation results; the clock 320 is electrically connected to the chip, and is used to describe the clock signal inside the chip. The clock signal is indispensable in the normal operation of the chip. They synchronize the work of various modules inside the chip to ensure the normal function of the chip. By using the clock signal, the chip simulation component can accurately simulate the timing behavior inside the chip to verify the performance and reliability of the chip at different clock frequencies; the simulation control module 303 is responsible for controlling and configuring the chip simulation model. It performs various tests and simulation operations on the chip by setting different simulation parameters and conditions. The simulation control module can adjust the type and characteristics of the signal source according to the specific test requirements and simulation purposes, and select the appropriate clock frequency, so as to achieve comprehensive simulation coverage. Through reasonable configuration and control, the simulation control module can provide a real and reliable simulation environment, providing strong support for the design and verification of the chip.

[0039] Furthermore, the communication interface 4 includes a serial communication interface 401, a parallel communication interface 402, a GPIO communication interface 403 and a data bus 404. The serial communication interface 401 adopts an SPI model interface for data transmission between the chip and an external device; the parallel communication interface 402 adopts an ISA model interface for simultaneously transmitting multiple data bits; the GPIO communication interface 403 is connected to the input and output pins of the chip for communication, control and data transmission of the chip; the GPIO communication interface 403 is used for data exchange between different components inside the chip, and the signal output end of the communication interface 4 is connected to the signal input end of the signal detection circuit 5.

[0040] In a specific embodiment, the serial communication interface 401 adopts an SPI model interface, which can efficiently transmit data. The SPI model interface is a synchronous serial communication protocol that performs full-duplex communication through four lines. The main function of this interface is to achieve high-speed data transmission between the chip and external devices. It is suitable for scenarios that require faster transmission speeds. This interface is widely used in various peripheral devices, such as sensors, memories, and displays. The parallel communication interface 402 adopts an ISA model interface, which can transmit multiple data bits at the same time. The ISA model interface is a multi-bit parallel communication interface standard that can transmit multiple bytes of data at the same time. The main feature of this interface is that the transmission speed is low, but it can process multiple data bits at the same time. It is suitable for some application scenarios that require high bandwidth but low transmission speed, such as audio equipment and image transmission; the GPIO communication interface 403 connects the input and output pins of the chip to achieve chip communication, control and data transmission. The GPIO communication interface acts as a bridge between the chip and the outside world. It can realize input and output operations by controlling the level of the pin. It has the advantages of flexibility and versatility. The functions of different pins can be defined by programming, such as digital input and output, analog input and output, and interrupts. The data bus 404 is a collection of signal lines for internal communication. It can realize data exchange between different components in the chip. The main function of the data bus is to transmit data, address and control information to facilitate data sharing and communication between different modules in the chip. By using the data bus, the various components can work together effectively to improve the overall performance of the system.

[0041] Furthermore, the signal detection circuit 5 includes an input interface 501, a preamplifier 502, a comparator 503, a sampling circuit 504 and an output interface 505, wherein the input interface 501 is electrically connected to the preamplifier for receiving a signal to be detected; the preamplifier 502 is used to amplify the received weak signal; the comparator 503 is used to determine the characteristics of the data signal; the sampling circuit 504 is connected to the output interface 505 for sampling the input signal; the output interface 505 is used to output the detected and processed signal, and the signal output end of the signal detection circuit 5 is connected to the signal input end of the signal processor 6.

[0042] In a specific embodiment, the input interface 501 has excellent signal receiving capability and can receive the input of the signal to be detected. By being electrically connected to the preamplifier 502, the input interface 501 guides the low-intensity input signal to the preamplifier 502; the preamplifier 502 has excellent amplification performance and can effectively convert the received weak signal into a stronger electrical signal. This amplification process can not only enhance the signal strength, but also maintain the accuracy and stability of the signal; the comparator 503 can quickly and accurately determine the characteristics and state of the signal by judging the characteristics of the data signal. This characteristic judgment plays a vital role in signal processing and subsequent operations; the sampling circuit 504 and the output interface 505 are two other important components of the signal detection circuit 5. The sampling circuit 504 can perform high-speed sampling on the input signal to ensure that accurate signal samples are extracted, while the output interface 505 is responsible for transmitting the detected and processed signal to the downstream device or system.

[0043] Furthermore, the signal processor 6 includes a digital-to-analog converter 601, a digital signal processing module 602 and an operation module 603. The digital-to-analog converter 601 and the digital signal processing module 602 are electrically connected and are used to convert analog signals into digital signals; the digital signal processing module 602 uses a DSP processor to process and analyze digital signals; and the operation module 603 is used to perform operations on chip data.

[0044] In a specific embodiment, the analog converter 601 can convert the input analog signal into a digital signal. This conversion method can better perform digital signal processing and analysis. The digital signal processing module 602 adopts an advanced DSP processor to further process and analyze the digital signal, making the signal processing more accurate and efficient; the operation module 603 is responsible for performing operations on the chip data. Through the high-speed computing power of the operation module, we can process large amounts of data more quickly and obtain accurate results, which is crucial for scientific research, engineering design and other fields; the signal processor 6 converts the transmitted analog signal into a digital signal and processes it to improve the signal quality and stability.

[0045] The technical solution of the utility model can be reasonably modified, replaced by equivalents, improved, etc. according to the professional knowledge and actual needs of technicians. As long as these modifications, equivalent replacements and improved measures are in line with the spirit and principles of the utility model, they should also be included in the protection scope of the utility model.

Claims

1. A chip function simulation device, characterized in that: It comprises a power supply component (1), a microprocessor (2), a chip simulation component (3), a communication interface (4), a signal detection circuit (5) and a signal processor (6), wherein: A power supply component (1), used to provide normal power supply to the chip when performing functional simulation; A microprocessor (2), used to implement operation and control functions of the analog chip; A chip simulation component (3) for simulating the functions and behaviors of a target chip; A communication interface (4), used to realize communication and data transmission with the target chip; A signal detection circuit (5), used for detecting and analyzing the signal output by the analog chip; A signal processor (6) for processing input and output signals; The signal output end of the power supply component (1) is connected to the signal input end of the microprocessor (2); the output end of the microprocessor (2) is respectively connected to the input ends of the chip simulation component (3), the communication interface (4), the signal detection circuit (5) and the signal processor (6); the power supply component (1) is located at the bottom of the chip function simulation device; the microprocessor (2) is located to the right of the power supply component (1); the chip simulation component (3) is located above the microprocessor; the communication interface (4) and the signal detection circuit (5) are distributed on both sides of the chip function simulation device; and the signal processor (6) is located above the chip simulation component (3).

2. A chip function simulation device according to claim 1, characterized in that: The power supply component (1) comprises a power manager (101), a capacitor (102), a power line (103) and an overheat protection device (104); the power manager (101) is used to manage and control the power supply; the capacitor (102) is used to provide temporary energy storage; the power line (103) is made of fiber material and is used to connect the power supply component (1) and the chip.

3. A chip function simulation device according to claim 1, characterized in that: The microprocessor (2) comprises a processor (201), a memory (202), a timer (203) and an interrupt controller (204); the processor (201) is used to send instructions and control the operation of a chip function simulation device; the memory (202) is used to store and read instructions and data; the timer (203) is used to trigger a specific operation at a fixed time; the interrupt controller (204) is used to manage and process interrupt events of the microprocessor (2); the signal output end of the processor (201) is connected to the signal input end of the memory (202); the signal output end of the memory (202) is connected to the signal input end of the timer (203); and the signal output end of the timer (203) is connected to the signal input end of the interrupt controller (204).

4. A chip function simulation device according to claim 1, characterized in that: The chip simulation component (3) comprises a signal source (301), a clock (320) and a simulation control module (303); the signal source (301) is used to provide different types of signal sources in a functional simulation scenario; the clock (320) is electrically connected to the chip and is used to describe the clock signal inside the chip; the simulation control module (303) is used to control and configure the chip simulation model; the signal output end of the chip simulation component (3) is connected to the signal input end of the communication interface (4).

5. A chip function simulation device according to claim 1, characterized in that: The communication interface (4) comprises a serial communication interface (401), a parallel communication interface (402), a GPIO communication interface (403) and a data bus (404); the serial communication interface (401) adopts an SPI model interface for data transmission between the chip and an external device; the parallel communication interface (402) adopts an ISA model interface for transmitting multiple data bits simultaneously; the GPIO communication interface (403) is connected to the input and output pins of the chip and is used for communication, control and data transmission of the chip; the GPIO communication interface (403) is used for data exchange between different components inside the chip, and the signal output end of the communication interface (4) is connected to the signal input end of the signal detection circuit (5).

6. A chip function simulation device according to claim 1, characterized in that: The signal detection circuit (5) comprises an input end interface (501), a preamplifier (502), a comparator (503), a sampling circuit (504) and an output end interface (505); the input end interface (501) and the preamplifier are electrically connected to receive a signal to be detected; the preamplifier (502) is used to amplify the received weak signal; and the comparator (503) is used to determine the characteristics of the data signal; The sampling circuit (504) is connected to the output end interface (505) and is used to sample the input signal; the output end interface (505) is used to output the detected and processed signal, and the signal output end of the signal detection circuit (5) is connected to the signal input end of the signal processor (6).

7. A chip function simulation device according to claim 1, characterized in that: The signal processor (6) comprises a digital-to-analog converter (601), a digital signal processing module (602) and a computing module (603); the digital-to-analog converter (601) and the digital signal processing module (602) are electrically connected and are used to convert analog signals into digital signals; the digital signal processing module (602) uses a DSP processor and is used to process and analyze digital signals; and the computing module (603) is used to perform computing operations on chip data.

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