Multifunctional portable electronic device

Abstract

The utility model discloses a multifunctional portable electronic device, belonging to the field of electronic technology. It includes a shell and a control board arranged in the shell, the control board is provided with a main control chip, a C1101 chip and a display module, the main control chip is provided with a PD0 pin and a PA1 pin, the C1101 chip is provided with a CS pin and a C0 pin, the PD0 pin is connected to the CS pin, and the PA1 pin is connected to the C0 pin; the control board is also provided with a communication module and a GPIO interface for expansion, the communication module is connected to an IBUTTON system and an antenna coil. The multifunctional portable electronic device provided by the utility model integrates multiple functions into one, forming a compact tool set, which is convenient to carry, and at the same time provides an expansion interface, so that it has high flexibility and scalability, and users can select and combine different functional modules according to their needs, which has strong practicality and can be well promoted and used.

Description

Technical Field

[0001] The utility model relates to the field of electronic technology, in particular to a multifunctional portable electronic device. Background Art

[0002] With the rapid development of the Internet of Things industry, the requirements for its product testing are also increasing. In the process of product testing, a development board based on the STM32 microcontroller is usually used. This microcontroller is also called a single-chip microcontroller. It integrates a computer system on a chip, similar to a microcomputer without I / O devices. However, this development board based on a single-chip microcomputer cannot be directly used for the testing of Internet of Things products. It usually needs to be used with other equipment to meet the testing requirements of Internet of Things products.

[0003] In the current technological environment, designers usually use various external devices and their combinations to debug and test products in order to successfully complete product development. Although they can easily perform relevant tests in a laboratory environment, in the actual product development process, especially in non-laboratory environments such as on-site product debugging, if there is a lack of corresponding equipment, the method of solving problems will become quite passive; and if a product fails in a non-laboratory environment, the designer needs to carry multiple devices to the site to solve the problem, which not only increases the cost of testing, but also reduces efficiency, so further improvement is needed. Summary of the invention

[0004] The purpose of the utility model is to solve the problem in the prior art that designers need to carry multiple devices to solve problems on site during the testing of Internet of Things products, which not only increases the cost of testing but also reduces efficiency, and to propose a multifunctional portable electronic device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A multifunctional portable electronic device comprises a housing and a control board arranged in the housing, wherein the control board is provided with a main control chip, a C1101 chip and a display module, the main control chip is provided with a PD0 pin and a PA1 pin, the C1101 chip is provided with a CS pin and a C0 pin, the PD0 pin is connected to the CS pin, and the PA1 pin is connected to the C0 pin;

[0007] The control board is also provided with a communication module and a GPIO interface for expansion, and the communication module is connected with the IBUTTON system and the antenna coil.

[0008] In some embodiments, a power supply is also included, and the main control chip is also provided with a PA9 pin and a PA10 pin connected to the power supply.

[0009] In some embodiments, the communication module includes an NFC system and an RFID system connected to the main control chip through an SPI interface, the NFC system is connected to the PE4 pin of the main control chip, and the RFID system is connected to the PA3 pin, PA15 pin, PB13 pin and PC5 pin of the main control chip.

[0010] In some embodiments, a key circuit is also included, and the key circuit is connected to the PB10 pin, the PB11 pin, the PB12 pin, the PC6 pin, the PC13 pin and the PH2 pin of the main control chip.

[0011] In some embodiments, the display module communicates with the main control chip via an FPC cable using the SPI protocol.

[0012] In some embodiments, the NFC system is connected to the antenna coil via the ANT1 contact and the ANT2 contact thereon.

[0013] Compared with the prior art, the utility model provides a multifunctional portable electronic device having the following beneficial effects.

[0014] 1. The multifunctional portable electronic device provided by the utility model integrates multiple functions into one, forming a compact tool set, which is easy to carry and provides an expansion interface, so that it has high flexibility and scalability. Users can choose and combine different functional modules according to their needs. It has strong practicality and can be widely used.

[0015] 2. The utility model can interact with radio protocols, access control systems and hardware, allowing users to analyze frequencies, capture data, simulate signals, etc., and allow users to perform signal analysis simulations, making it convenient for users to debug and analyze. It can also be used to test network security and user authentication systems.

[0016] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model provides a comprehensive test and analysis tool for software developers, security testers and technology enthusiasts.

[0017] Other advantages, objectives and features of the present invention will be described in the following description to some extent; and will be apparent to those skilled in the art based on the following examination and study to some extent; or, may be taught from the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a circuit diagram of the control board in the utility model.

[0019] Figure 2It is a circuit diagram of the main control chip in the utility model.

[0020] Figure 3 It is a circuit diagram of the CC1101 chip in the utility model.

[0021] Figure 4 It is a circuit diagram of an NFC system in a communication module of the utility model.

[0022] Figure 5 It is a circuit diagram of the RFID system in the communication module of the utility model.

[0023] Figure 6 It is a circuit diagram of the onboard infrared chip in the utility model.

[0024] Figure 7 It is a circuit diagram of the display module in the utility model.

[0025] Figure 8 It is a circuit diagram of the GPIO interface in the utility model.

[0026] The reference numerals in the accompanying drawings are:

[0027] 1. Main control chip; 2. C1101 chip; 3. Display module; 4. Communication module; 5. GPIO interface; 6. IBUTTON system; 7. Antenna coil; 8. Power supply; 9. Key circuit. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0029] Reference Figure 1-Figure 8 A multifunctional portable electronic device includes a housing and a control board arranged in the housing, wherein a main control chip 1, a C1101 chip 2 and a display module 3 are arranged on the control board, wherein the main control chip 1 is provided with a PD0 pin and a PA1 pin, and the C1101 chip 2 is provided with a CS pin and a C0 pin, wherein the PD0 pin is connected to the CS pin, and the PA1 pin is connected to the C0 pin; a communication module 4 and a GPIO interface 5 for expansion are also arranged on the control board, wherein the communication module 4 is connected with an IBUTTON system 6 and an antenna coil 7. The antenna coil 7 provides an antenna function for the NFC system and the RFID system.

[0030] In this embodiment, the main control chip 1 is an MCU chip, which adopts the STM32WB55 series. Please refer to Figure 2 , the relevant interface pins are defined as follows:

[0031] I2C_SCL: I2C communication clock signal line; I2C_SDA: I2C communication data signal line; DISPLAY_CS: chip select signal line; DISPLAY_RST: reset signal line; DISPLAY_DI: LCD display channel selection signal line; SPI_D_SCK: SPI interface clock signal line; SPI_D_MOSI: SPI interface data signal line; SPI_R_MOSI: SPI data output signal line; SPI_R_SCK: SPI clock signal line; SPI_R_MISO : SPI data input signal line; CC1101_C0: test signal line; CC1101_CS: chip select signal line; RF_SW_0: wireless switch control line; BUTTON_BACK: return key signal line; BUTTON_OK: confirm key signal line; BUTTON_RIGHT: right key signal line; BUTTON_LEFT: left key signal line; BUTTON_TOP: up key signal line; BUTTON_DOWN: down key signal line; NFC_CS: chip select signal line; IBTN: IO input signal line; S PEAKER: sound output signal line; IR_TX: infrared transmitter signal line; IR_RX: infrared receiver signal line; RFID_RF_IN: RFID signal input; RFID_OUT: RFID signal output; RFID_PULL: RFID pull-up signal line; RFID_CARRIER: RFID carrier signal line; 5V: power supply 85V; PA7: IO signal input and output signal line; PA6: IO signal input and output signal line; PA4: IO signal input and output signal line; PB3: IO signal input and output signal Line; PB2: IO signal input and output signal line; PC3: IO signal input and output signal line; GND: power supply 8GND; 3.3V: power supply 83.3V; PA14: IO signal input and output signal line; GND: power supply 8GND; PA13: IO signal input and output signal line; PB6: IO signal input and output signal line; PB7: IO signal input and output signal line; PC1: IO signal input and output signal line; PC0: IO signal input and output signal line; PB14: IO signal input and output signal line; GND: power supply 8GND.

[0032] In this embodiment, a power supply 8 is also included, and the main control chip 1 is further provided with a PA9 pin and a PA10 pin connected to the power supply 8 .

[0033] Specifically, the communication module 4 includes an NFC system and an RFID system connected to the main control chip 1 through an SPI interface, the NFC system is connected to the PE4 pin of the main control chip 1, and the RFID system is connected to the PA3 pin, PA15 pin, PB13 pin and PC5 pin of the main control chip 1.

[0034] Among them, the NFC system uses the ST25R3916 chip, please refer to Figure 4 The NFC system is connected to the antenna coil 7 through the ANT1 contact and the ANT2 contact. The NFC system communicates with the main control chip 1 through the SPI interface to realize the NFC function. Among them, the RFID system uses the LMV331IDCKR operational amplifier of TI Company. Please refer to the photo again. Figure 5 , passing through the antenna coil 7 of ANT3 and ANT4, and then through multi-stage operational amplification, the signal communicates with the main control chip 1 through the SPI interface to realize the RFID function, which is used to test the security of access control systems, payment systems, etc.

[0035] Specifically, the display module 3 communicates with the main control chip 1 through the FPC cable using the SPI protocol. The display module 3 uses a low-power 12864 COG type dot matrix screen. Please refer to Figure 7 The backlight of the LCD display system is powered by the SYS and LED_LCD pins.

[0036] Please refer again Figure 3 The CC1101 chip 2 communicates with the main control chip 1 through the SPI interface and can be easily programmed to work in multiple frequency bands to meet the needs of smart home and IoT devices, remote controls and remote control devices, smart cities and smart transportation, industrial control and automation scenarios.

[0037] In addition, a key circuit 9 is included, which is connected to the PB10 pin, the PB11 pin, the PB12 pin, the PC6 pin, the PC13 pin and the PH2 pin of the main control chip 1 for user operation convenience.

[0038] Please refer again Figure 6 The IBUTTON system 6 uses the onboard infrared chip, where the cable interface of X4b1 is connected to the communication module 4 to indirectly establish communication with the main control chip 1. The SYS and GND pins provide power supply 8. IR_TX, IR_RX are connected with DA1b1, VD2b1, VD3b1, and VD4b1 to provide it with infrared transceiver function. SPEAKER and BA1b1 form a speaker circuit to provide it with sound function.

[0039] Please refer to 8 again. In the present invention, the GPIO interface 5 leads the IO interface of the main control chip 1 to the outside through the X8 and X9 pin headers. Through this interface, users can more conveniently develop their own modules to interact with the device.

[0040] In summary, the multifunctional portable electronic device provided by the utility model is compatible with most open source firmware and applications on the market, which is convenient for users to configure the device, monitor the test process and analyze the test results. Through the application, users can easily control the various functional modules of the device and exchange and integrate data with other devices.

[0041] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

[0042] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0043] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations of the present invention. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A multifunctional portable electronic device, comprising a housing and a control panel arranged in the housing, characterized in that: The control board is provided with a main control chip (1), a C1101 chip (2) and a display module (3); the main control chip (1) is provided with a PD0 pin and a PA1 pin; the C1101 chip (2) is provided with a CS pin and a C0 pin; the PD0 pin is connected to the CS pin, and the PA1 pin is connected to the C0 pin; The control panel is also provided with a communication module (4) and a GPIO interface (5) for expansion, and the communication module (4) is connected to an IBUTTON system (6) and an antenna coil (7).

2. A multifunctional portable electronic device according to claim 1, characterized in that: It also includes a power supply (8), and the main control chip (1) is also provided with a PA9 pin and a PA10 pin connected to the power supply (8).

3. A multifunctional portable electronic device according to claim 1, characterized in that: The communication module (4) comprises an NFC system and an RFID system connected to the main control chip (1) via an SPI interface, the NFC system being connected to the PE4 pin of the main control chip (1), and the RFID system being connected to the PA3 pin, the PA15 pin, the PB13 pin and the PC5 pin of the main control chip (1).

4. The multifunctional portable electronic device according to claim 1, characterized in that: It also includes a key circuit (9), wherein the key circuit (9) is connected to the PB10 pin, the PB11 pin, the PB12 pin, the PC6 pin, the PC13 pin and the PH2 pin of the main control chip (1).

5. The multifunctional portable electronic device according to claim 1, characterized in that: The display module (3) communicates with the main control chip (1) via the FPC cable using the SPI protocol.

6. The multifunctional portable electronic device according to claim 3, characterized in that: The NFC system is connected to the antenna coil (7) via the ANT1 contact and the ANT2 contact thereon.

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