A demo board for a microcontroller

Abstract

This application discloses a microcontroller demo board, including a microcontroller connected to the HWCFG power selection module and a chip setting interface; the microcontroller connected to a JTAG debugging interface; the microcontroller connected to the test points; the microcontroller connected to a storage module; the microcontroller connected to a multiplexed analog-to-digital converter for external device connection; the microcontroller connected to N reset button modules and M control button modules for control and reset operations; and the microcontroller connected to multiple LED indicators to acquire parameter changes during test program execution. Therefore, the microcontroller demo board of this application has multiple functions, facilitating testing and debugging.

Description

Technical Field

[0001] This application relates to the field of embedded hardware design, and in particular to a demo board for a microcontroller. Background Technology

[0002] There are many types of DEMO boards (development boards) currently available, mainly used for embedded system development. However, the integration level of controller-related DEMO boards on the market is not ideal, and they offer limited functionality, making them unsuitable for testing and debugging. Summary of the Invention

[0003] Based on this, and in response to the aforementioned technical problems, a microcontroller DEMO board is provided to address the issue of limited functionality in existing controller DEMOs.

[0004] A microcontroller DEMO board includes a circuit board, and I / O ports, a microcontroller, an Ethernet communication module, a CAN communication module, a CANFD communication module, a LIN communication module, a UART communication module, an HWCFG power selection module, a chip setting interface, a storage module, a reset button module, a control button module, an analog-to-digital conversion path, LED indicators, and test points disposed on the circuit board.

[0005] The I / O port is connected to the I / O pins of the microcontroller to connect to external devices;

[0006] The microcontroller is also connected to an Ethernet communication module, a CAN communication module, a CANFD communication module, a LIN communication module, and a UART communication module to communicate with external devices;

[0007] The microcontroller is connected to the HWCFG power selection module and the chip setting interface;

[0008] The microcontroller is connected to the JTAG debugging interface; the microcontroller is connected to the test point;

[0009] The microcontroller is connected to the storage module; the microcontroller is also connected to a multi-channel analog-to-digital converter for external device connectivity.

[0010] The microcontroller is connected to N reset button modules and M control button modules to control and reset the microcontroller.

[0011] The microcontroller is connected to multiple LED indicators to obtain parameter changes during the test program execution.

[0012] Optionally, in the above scheme, the microcontroller is a THA6412.

[0013] In the above scheme, N can optionally be 2 and M can optionally be 2.

[0014] Optionally, the circuit board may also include a grounding test ring, which is connected to the grounding test ring of the microcontroller and the power supply for connection to an oscilloscope.

[0015] Optionally, in the above scheme, the storage module is an EEPROM.

[0016] In the above scheme, the JTAG debugging interface can optionally be 20-pin.

[0017] This application has at least the following beneficial effects:

[0018] 1. This application integrates multiple communication modules such as Ethernet, CAN, CANFD, LIN, and UART on a single DEMO board, which can meet the communication needs with external devices in different scenarios.

[0019] 2. The DEMO board of this application integrates multiple interfaces for configuring the controller chip, such as a chip configuration interface and an HWCFG power selection module. The chip configuration interface can be used to configure the microcontroller, such as setting the clock and selecting the operating mode. The HWCFG power selection module can select different power supply methods as needed. This configurability allows the DEMO board to adapt to different development needs, and developers can optimize the microcontroller settings according to their project requirements, improving development efficiency.

[0020] 3. Multiple convenient interfaces and buttons for debugging and testing are provided. For example, the JTAG debugging interface facilitates program debugging and burning during development. Test points for the microcontroller are set on the DEMO board, allowing users to easily measure parameters such as voltage and current in the circuit during development, and promptly detect circuit faults or signal anomalies. Multiple reset and control button modules provide users with convenient operation methods, allowing for easy reset, start, and stop operations on the microcontroller. This is extremely helpful for debugging and testing during development, allowing users to quickly control the microcontroller's status without complex software operations. LED indicators can be used to display the microcontroller's operating status, such as program running, communication status, and error messages. By observing the LED indicator status, users can intuitively understand the DEMO board's operation, promptly identify potential problems, and facilitate simple status indication and debugging during development. Therefore, the aforementioned interfaces and buttons greatly facilitate debugging and testing.

[0021] 4. The additional storage module connection on the DEMO board provides support for data storage. Storage capacity can be expanded according to user needs to store program code, runtime data, etc. This is very useful for applications requiring large-scale data processing and storage; the expandability of the storage module allows the DEMO board to meet the storage needs of projects of different sizes.

[0022] 5. The multi-channel analog-to-digital conversion path on the DEMO board, connected to the microcontroller, facilitates the acquisition and processing of analog signals. It allows connection to various sensors, such as temperature and pressure sensors, converting analog signals into digital signals for processing and analysis. This multi-channel design gives the DEMO board strong scalability in analog signal processing, meeting the needs of different types of sensor access and data acquisition. Attached Figure Description

[0023] Figure 1 A module architecture block diagram of a microcontroller DEMO board provided in one embodiment of this application;

[0024] Figure 2 This application provides an appearance diagram of a microcontroller DEMO board module according to one embodiment of the present application.

[0025] Figure 3 A schematic diagram of a power module provided in one embodiment of this application;

[0026] Figure 4 A schematic diagram of an expansion interface for a microcontroller provided in one embodiment of this application;

[0027] Figure 5 A schematic diagram of HWCFG power selection provided for one embodiment of this application;

[0028] Figure 6 A schematic diagram of a JTAG debugging interface provided in one embodiment of this application;

[0029] Figure 7 A schematic diagram of an EEPROM module provided in one embodiment of this application;

[0030] Figure 8 A schematic diagram of the THA6206 pinout provided for one embodiment of this application;

[0031] Figure 9 A schematic diagram of a CAN communication module provided in one embodiment of this application;

[0032] Figure 10 A schematic diagram of a LIN communication module provided in one embodiment of this application;

[0033] Figure 11A schematic diagram of an Ethernet module provided in one embodiment of this application;

[0034] Figure 12 A schematic diagram of a UART communication module circuit provided in one embodiment of this application;

[0035] Figure 13 This is a schematic diagram of an LED module circuit provided in one embodiment of this application;

[0036] Figure 14 This is a schematic diagram of a button circuit provided in one embodiment of this application. Detailed Implementation

[0037] To make the objectives, technical solutions, and advantages of this application clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this application.

[0038] In one embodiment, such as Figure 1 and Figure 2 As shown, a microcontroller DEMO board is provided, including a circuit board, and I / O ports, a microcontroller, an Ethernet communication module, a CAN communication module, a CANFD communication module, a LIN communication module, a UART communication module, an HWCFG power selection module, a chip setting interface, a storage module, a reset button module, a control button module, an analog-to-digital conversion path, LED indicators, and test points disposed on the circuit board;

[0039] The I / O port is connected to the I / O pins of the microcontroller to connect to external devices;

[0040] The microcontroller is also connected to an Ethernet communication module, a CAN communication module, a CANFD communication module, a LIN communication module, and a UART communication module to communicate with external devices;

[0041] The microcontroller is connected to the HWCFG power selection module and the chip setting interface;

[0042] The microcontroller is connected to the JTAG debugging interface; the microcontroller is connected to the test point;

[0043] The microcontroller is connected to the storage module; the microcontroller is also connected to a multi-channel analog-to-digital converter for external device connectivity.

[0044] The microcontroller is connected to N reset button modules and M control button modules to control and reset the microcontroller.

[0045] The microcontroller is connected to multiple LED indicators to obtain parameter changes during the test program execution.

[0046] In this embodiment, a power module is also included, connected to the microcontroller, to provide power. For example... Figure 3 The diagram shown is a schematic of the power supply module.

[0047] Specifically, through a rational layout, the power supply section and peripheral expansion of the chip are rationally arranged, and all I / O ports are brought out. Ethernet, CAN, CANFD, LIN, and UART communication can be simultaneously implemented on a single board, with an HWCFG power selection and chip setting interface added. An IIC-controlled EEPROM enables power-off data storage. A universal 20-pin JTAG debugging interface facilitates connection of debuggers. Two reset buttons and two control buttons facilitate testing of external control programs or interrupt programs. Multiple analog-to-digital conversion paths are brought out, one of which can be adjusted via a potentiometer. Multiple LED indicators are used for power indication and control program process monitoring. Multiple test points are reserved for engineers to test voltage changes during program execution. A power grounding test loop is included for easy connection of an oscilloscope. All peripheral components are decoupled for easy jumper testing. Figure 5 Select schematic diagram for HWCFG power supply;

[0048] Figure 6 JTAG debugging interface schematic; Figure 7 This is the schematic diagram of the EEPROM module; Figure 8 The schematic diagram shows the pinout of the THA6206. Figure 9 This is a schematic diagram of a CAN communication module. Figure 10 This is a schematic diagram of a LIN communication module. Figure 11 This is a schematic diagram of an Ethernet module. Figure 12 UART schematic diagram; Figure 13 This is the schematic diagram of the LED module. Figure 14 This is a schematic diagram of the button's operation.

[0049] This microcontroller demo board integrates multiple communication modules, including Ethernet, CAN, CANFD, LIN, and UART, on a single board to meet the communication needs with external devices in various scenarios. It also integrates multiple interfaces for configuring the controller chip, such as a chip configuration interface and an HWCFG power selection module. The chip configuration interface allows for microcontroller configuration, such as clock settings and operating mode selection. The HWCFG power selection module allows for selection of different power supply methods as needed. This configurability enables the demo board to adapt to different development requirements, allowing developers to optimize the microcontroller settings according to their project requirements and improve development efficiency. Multiple convenient debugging and testing interfaces and buttons are provided, such as a JTAG debugging interface for easy program debugging and burning during development. Test points for the microcontroller are set on the demo board, allowing users to easily measure parameters such as voltage and current in the circuit during development, and promptly detect circuit faults or signal anomalies. Multiple reset and control button modules provide users with convenient operation methods, allowing for easy reset, start, and stop operations of the microcontroller. This is extremely helpful for debugging and testing during the development process, allowing users to quickly control the microcontroller's status without complex software operations. LED indicators can be used to display the microcontroller's operating status, such as program execution, communication status, and error messages. By observing the LED indicators, users can intuitively understand the DEMO board's operation, promptly identify potential problems, and easily perform simple status indication and debugging during development. Therefore, the aforementioned interfaces and buttons greatly facilitate debugging and testing. The additional storage module connection on the DEMO board supports data storage, allowing for expansion of storage capacity as needed to store program code, runtime data, etc. This is very useful for applications requiring large amounts of data processing and storage; the expandability of the storage module enables the DEMO board to meet the storage needs of projects of different sizes. The multiple analog-to-digital converter (ADC) paths connected to the microcontroller on the DEMO board facilitate analog signal acquisition and processing. Various sensors, such as temperature and pressure sensors, can be connected to convert analog signals into digital signals for processing and analysis. This multiple ADC path design gives the DEMO board strong scalability in analog signal processing, meeting the needs of different types of sensor access and data acquisition.

[0050] In one embodiment, the microcontroller is model THA6412.

[0051] In one embodiment, N is 2 and M is 2.

[0052] In one embodiment, the circuit board further includes a ground test ring, the microcontroller being connected to the power supply's ground test ring for connection to an oscilloscope.

[0053] In one embodiment, the storage module uses EEPROM.

[0054] In one embodiment, the JTAG debugging interface uses 20 pins.

[0055] The board of this invention has a small area, is easy to carry and test, has strong expandability, and comes with many built-in functions. It can greatly help engineers understand and use the THA6412 chip.

[0056] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0057] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A DEMO board of a microcontroller, characterized by, Includes a circuit board, and I / O ports, microcontroller, Ethernet communication module, CAN communication module, CANFD communication module, LIN communication module, UART communication module, HWCFG power selection module, chip setting interface, storage module, reset button module, control button module, analog-to-digital conversion path, LED indicator, and test points mounted on the circuit board; The I / O port is connected to the I / O pins of the microcontroller to connect to external devices; The microcontroller is also connected to an Ethernet communication module, a CAN communication module, a CANFD communication module, a LIN communication module, and a UART communication module to communicate with external devices; The microcontroller is connected to the HWCFG power selection module and the chip setting interface; The microcontroller is connected to the JTAG debugging interface; the microcontroller is connected to the test point; The microcontroller is connected to the storage module; the microcontroller is also connected to a multi-channel analog-to-digital converter for external device connectivity. The microcontroller is connected to N reset button modules and M control button modules to control and reset the microcontroller. The microcontroller is connected to multiple LED indicator lights; To obtain parameter changes during the execution of the test program; The circuit board also includes a grounding test ring, which is connected to the grounding test ring of the microcontroller and power supply for connection to an oscilloscope.

2. The microcontroller DEMO board according to claim 1, characterized in that, The microcontroller is model THA6412.

3. The microcontroller DEMO board according to claim 1, characterized in that, N is 2, M is 2.

4. The microcontroller DEMO board according to claim 1, characterized in that, The storage module uses EEPROM.

5. The DEMO board of a microcontroller according to claim 1, characterized in that, The JTAG debugging interface uses 20 pins.

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