Device for realizing dormancy awakening of product based on serial port
By designing a product sleep and wake-up device based on the serial port, the unnecessary energy consumption problem caused by the traditional water sound detection system is solved because it is always in the wake-up state, and the product sleep and wake-up is achieved through serial port communication, reducing power consumption and extending working time effect.
Patent Information
- Application Number
- CN202411542219.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-31
- Publication Date
- 2025-02-18
AI Technical Summary
The traditional water sound detection system is in a wake-up state regardless of whether it is working, resulting in unnecessary energy consumption and affecting the system's long-term work.
Design a product sleep and wake-up device based on serial port, including power supply circuit, serial port circuit, trigger circuit and initialization circuit, to achieve product sleep and wake-up through serial port communication, and control whether the power supply is working or not.
Without adding additional connections, the product sleep and wake-up can be achieved through the serial port, reducing product power consumption and extending product working time.
Smart Images
Figure CN119473414A_ABST
Abstract
Description
Technical Field
[0001] The embodiments of the present disclosure relate to the technical field of product sleep and wake-up, and in particular to a device for realizing product sleep and wake-up based on a serial port. Background Art
[0002] With the vigorous development of marine resources and the rapid development of sonar technology, various types of underwater acoustic detection systems have been widely used in underwater communications, marine resource exploration, submarine tunnel construction, remote detection of underwater targets, etc. Under the same battery capacity, the lower the power consumption of the product, the longer the system will work.
[0003] The hydroacoustic detection system is divided into surface components and underwater components. The surface components are used to communicate with aircraft, satellites, ships and other platforms, and the underwater components are used to collect and process hydroacoustic data. However, the traditional hydroacoustic detection system is always in an awake state regardless of whether it is working or not. The system is always in an awake state, which generates unnecessary energy consumption and is not conducive to the long-term operation of the system.
[0004] Therefore, it is necessary to improve one or more problems existing in the above-mentioned related technical solutions.
[0005] It should be noted that this section is intended to provide background or context for the technical solutions of the present disclosure stated in the claims. The description herein is not admitted to be prior art by virtue of being included in this section. Summary of the invention
[0006] In order to avoid the shortcomings of the prior art, the present invention provides a device for realizing product sleep and wake-up based on a serial port, so as to solve the problem in the prior art that the underwater acoustic detection system is in an awake state regardless of whether it is working or not, which will generate unnecessary energy consumption and is not conducive to long-term operation of the system.
[0007] According to an embodiment of the present disclosure, a device for realizing product sleep and wake-up based on a serial port is provided, and the device includes: A power supply circuit, a serial port circuit, a trigger circuit and an initialization circuit; wherein the serial port circuit and the initialization circuit are electrically connected to the trigger circuit respectively, and the power supply circuit is electrically connected to the serial port circuit, the initialization circuit and the trigger circuit respectively; The power supply circuit is used to provide power to the serial port circuit, the initialization circuit and the trigger circuit; The serial port circuit is used to perform serial port communication with the host computer and the product, send the trigger signal generated by it to the trigger circuit, and send the sleep instruction generated by the host computer to the product; The trigger circuit is used to generate and output a state signal according to the trigger signal and the sleep signal; wherein the state signal includes an enable signal and a disable signal; The initialization circuit is used to initialize the trigger circuit when power is turned on.
[0008] Furthermore, the power supply circuit comprises: Power chip D1, inductor L1, resistor R2, resistor R3, resistor R4, resistor R5, resistor R19, diode D3, capacitor C16, capacitor C24, capacitor C4 and capacitor C15; wherein, The first end of the resistor R2 is electrically connected to the host computer, the second end of the resistor R2, the first end of the capacitor C16 and the first end of the resistor R3 are all electrically connected to the pin 5 of the power chip D1, the second end of the resistor R3 is electrically connected to the pin 4 of the power chip D1, the pin 1 of the power chip D1 is electrically connected to the first end of the capacitor C24, the pin 6 of the power chip D1, the second end of the capacitor C24, the cathode of the diode D3 and the first end of the inductor L1 are electrically connected, and the second end of the inductor L1 is electrically connected to the capacitor C The first end of the resistor R4, the first end of the capacitor C15, the first end of the resistor R4 and the first end of the resistor R19 are electrically connected, the second end of the resistor R4, the first end of the resistor R5 and the pin 3 of the power chip D1 are electrically connected, the second end of the resistor R19 is electrically connected to the serial port circuit, the initialization circuit and the trigger circuit respectively, and the second end of the capacitor C16, the pin 2 of the power chip D1, the positive electrode of the diode D3, the second end of the capacitor C4, the second end of the capacitor C15 and the second end of the resistor R5 are all grounded.
[0009] Furthermore, the input signal of the power supply circuit is IN_PW, and the output signal of the power supply circuit is SL_WK_+3.3V.
[0010] Furthermore, the serial port circuit includes: Serial port chip D1, driver chip D3, resistor R17, resistor R18, resistor R19, resistor R20, capacitor C5, capacitor C6, capacitor C7 and capacitor C8; wherein, The first end of the resistor R19 is electrically connected to pin 2 and pin 1 of the driver chip D3 respectively, the second end of the resistor R19 is electrically connected to the trigger circuit and pin 12 of the serial port chip D1, the first end of the resistor R17 is electrically connected to the product, the second end of the resistor R17 is electrically connected to pin 11 of the serial port chip D1, the first end of the capacitor C5 is electrically connected to pin 1 of the serial port chip D1, the second end of the capacitor C5 is electrically connected to pin 3 of the serial port chip D1, the first end of the capacitor C6 is electrically connected to pin 4 of the serial port chip D1, and the second end of the capacitor C6 is electrically connected to the Pin 5 of the serial port chip D1 is electrically connected, pin 13 of the serial port chip D1 and pin 14 of the serial port chip D1 are electrically connected to the host computer respectively, pin 16 of the serial port chip D1 is electrically connected to the first end of the resistor R18, the second end of the resistor R18 is electrically connected to the power supply circuit, pin 2 of the serial port chip D1 is electrically connected to the first end of the capacitor C8, pin 6 of the serial port chip D1 is electrically connected to the first end of the capacitor C7, the second end of the capacitor C7, the second end of the capacitor C8 and pin 15 of the serial port chip D1 are all grounded, and the other pins of the serial port chip D1 are suspended; Pin 5 of the driving chip D3 is electrically connected to the power circuit, pin 3 of the driving chip D3 is grounded, pin 4 of the driving chip D3 is electrically connected to the first end of the resistor R20, and the second end of the resistor R20 is electrically connected to the product.
[0011] Furthermore, the input signal of the serial port circuit includes: SLWK-3V3 output by the power circuit, ARM-UART-TX output by the product, and RS232-RX output by the host computer; The output information of the serial port circuit includes: Output to RS232-TX of the host computer, output to ARM-UART-RX of the product, and output to D-SET of the trigger circuit.
[0012] Furthermore, the trigger circuit comprises: Trigger chip D20, resistor R80, resistor R81, resistor R82, resistor R83 and capacitor C53; wherein, Pin 7 of the trigger chip D20 is electrically connected to the serial port circuit, pin 2 of the trigger chip D20 is electrically connected to the first end of the resistor R80, pin 1 of the trigger chip D20 is electrically connected to the first end of the resistor R81, the second end of the resistor R81 is electrically connected to the product, pin 8 of the trigger chip D20 is electrically connected to the first end of the resistor R82, the second end of the resistor R82 is electrically connected to the power supply circuit, pin 6 of the trigger chip D20 is electrically connected to the initialization circuit, pin 5 of the trigger chip D20 is electrically connected to the product, the second end of the resistor R80 and pin 4 of the trigger chip D20 are both grounded, and pin 3 of the trigger chip D20 is suspended.
[0013] Furthermore, the input signal of the trigger circuit includes: SLWK-3V3 output by the power supply circuit, the sleep signal ARM_SL output by the product, D-RESET output by the initialization circuit, and D-SET output by the serial port circuit; The output signal of the trigger circuit includes: The flip-flop circuit outputs EN-PW.
[0014] Furthermore, the initialization circuit comprises: Resistor R84 and capacitor 54; wherein, The first end of the resistor R84 is electrically connected to the power supply circuit, the second end of the resistor R84 and the first end of the capacitor 54 are electrically connected to the trigger circuit respectively, and the second end of the capacitor 54 is grounded.
[0015] The technical solution provided by the embodiments of the present disclosure may have the following beneficial effects: In the embodiment of the present disclosure, the above-mentioned device for realizing product sleep and wake-up based on the serial port, on the one hand, the power circuit converts the external input power into the working power of the device; at the beginning of power-on, the initialization circuit generates a reset signal, so that the trigger circuit outputs a low level, and the power of the control product does not work; when the product needs to work, the host computer sends a wake-up instruction through the serial port, and the serial port circuit converts the wake-up instruction and sends it to the trigger circuit, so that the trigger output is a high level, and the power of the control product works; when the product needs to sleep, the host computer sends a sleep instruction through the serial port, and the product generates a sleep signal and sends it to the trigger circuit, so that the trigger output is a low level, and the power of the control product does not work. On the other hand, without adding additional wiring, the sleep and wake-up of the product are realized through the serial port, thereby achieving the purpose of reducing the power consumption of the product and extending the working time of the product. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings herein are incorporated into the specification and constitute a part of the specification, illustrate embodiments consistent with the present disclosure, and together with the specification are used to explain the principles of the present disclosure. Obviously, the accompanying drawings described below are only some embodiments of the present disclosure, and for ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without creative work.
[0017] Figure 1 A schematic diagram showing a device for realizing product sleep and wake-up based on a serial port in an exemplary embodiment of the present disclosure; Figure 2 A circuit diagram showing a power supply circuit in an exemplary embodiment of the present disclosure; Figure 3 A circuit diagram showing a serial port circuit in an exemplary embodiment of the present disclosure; Figure 4 A circuit diagram showing a trigger circuit in an exemplary embodiment of the present disclosure; Figure 5 A circuit diagram showing an initialization circuit in an exemplary embodiment of the present disclosure. DETAILED DESCRIPTION
[0018] Example embodiments will now be described more fully with reference to the accompanying drawings. However, example embodiments can be implemented in a variety of forms and should not be construed as limited to the examples set forth herein; rather, these embodiments are provided so that the disclosure will be more comprehensive and complete and to fully convey the concepts of the example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
[0019] In addition, the accompanying drawings are only schematic illustrations of the embodiments of the present disclosure and are not necessarily drawn to scale. The same reference numerals in the figures represent the same or similar parts, and their repeated descriptions will be omitted. Some of the block diagrams shown in the accompanying drawings are functional entities and do not necessarily correspond to physically or logically independent entities.
[0020] This example implementation provides a device for realizing product sleep and wake-up based on a serial port. Figure 1 As shown in , the device for realizing product sleep awakening based on the serial port may include: A power supply circuit, a serial port circuit, a trigger circuit and an initialization circuit; wherein the serial port circuit and the initialization circuit are electrically connected to the trigger circuit respectively, and the power supply circuit is electrically connected to the serial port circuit, the initialization circuit and the trigger circuit respectively; The power supply circuit is used to provide power to the serial port circuit, the initialization circuit and the trigger circuit; The serial port circuit is used to perform serial port communication with the host computer and the product, send the trigger signal generated by it to the trigger circuit, and send the sleep instruction generated by the host computer to the product; The trigger circuit is used to generate and output a state signal according to the trigger signal and the sleep signal; wherein the state signal includes an enable signal and a disable signal; The initialization circuit is used to initialize the trigger circuit when power is turned on.
[0021] Through the above-mentioned device for realizing product sleep and wake-up based on serial port, on the one hand, the power circuit converts the external input power into the working power of the device; at the beginning of power-on, the initialization circuit generates a reset signal, so that the output of the trigger circuit is low level, and the power of the product is controlled not to work; when the product needs to work, the host computer sends a wake-up instruction through the serial port, and the serial port circuit converts the wake-up instruction and sends it to the trigger circuit, so that the trigger output is high level, and the power of the product is controlled to work; when the product needs to sleep, the host computer sends a sleep instruction through the serial port, and the product generates a sleep signal and sends it to the trigger circuit, so that the trigger output is low level, and the power of the product is controlled not to work. On the other hand, without adding additional wiring, the sleep and wake-up of the product can be realized through the serial port, thereby achieving the purpose of reducing the power consumption of the product and extending the working time of the product.
[0022] Next, we will refer to Figures 1 to 5 The various parts of the above-mentioned device for realizing product sleep and wake-up based on the serial port in this example implementation are described in more detail.
[0023] In one embodiment, Figure 2 As shown, the power supply circuit includes: a power supply chip D1, an inductor L1, a resistor R2, a resistor R3, a resistor R4, a resistor R5, a resistor R19, a diode D3, a capacitor C16, a capacitor C24, a capacitor C4 and a capacitor C15; wherein the first end of the resistor R2 is electrically connected to the host computer, the second end of the resistor R2, the first end of the capacitor C16 and the first end of the resistor R3 are all electrically connected to the pin 5 of the power supply chip D1, the second end of the resistor R3 is electrically connected to the pin 4 of the power supply chip D1, the pin 1 of the power supply chip D1 is electrically connected to the first end of the capacitor C24, the pin 6 of the power supply chip D1 and the capacitor C24 are electrically connected. The second end of the capacitor C16, the cathode of the diode D3 and the first end of the inductor L1 are electrically connected, the second end of the inductor L1 is electrically connected to the first end of the capacitor C4, the first end of the capacitor C15, the first end of the resistor R4 and the first end of the resistor R19 respectively, the second end of the resistor R4, the first end of the resistor R5 and the pin 3 of the power chip D1, the second end of the resistor R19 is electrically connected to the serial port circuit, the initialization circuit and the trigger circuit respectively, the second end of the capacitor C16, the pin 2 of the power chip D1, the anode of the diode D3, the second end of the capacitor C4, the second end of the capacitor C15 and the second end of the resistor R5 are all grounded.
[0024] In addition, the input signal of the power circuit is IN_PW, and the output signal of the power circuit is SL_WK_+3.3V.
[0025] The input signal of the power supply circuit is IN_PW, which is the external input working power supply; the output signal is SL_WK_+3.3V, which is the normal working power supply of the sleep wake-up circuit.
[0026] In one embodiment, Figure 3 As shown, the serial port circuit includes: a serial port chip D1, a driver chip D3, a resistor R17, a resistor R18, a resistor R19, a resistor R20, a capacitor C5, a capacitor C6, a capacitor C7 and a capacitor C8; wherein the first end of the resistor R19 is electrically connected to pin 2 and pin 1 of the driver chip D3 respectively, the second end of the resistor R19 is electrically connected to the trigger circuit and pin 12 of the serial port chip D1, the first end of the resistor R17 is electrically connected to the product, the second end of the resistor R17 is electrically connected to pin 11 of the serial port chip D1, the first end of the capacitor C5 is electrically connected to pin 1 of the serial port chip D1, the second end of the capacitor C5 is electrically connected to pin 3 of the serial port chip D1, the first end of the capacitor C6 is electrically connected to pin 4 of the serial port chip D1, and the second end of the capacitor C6 is electrically connected to the serial port chip D1 The pin 5 of the serial port chip D1 is electrically connected, the pin 13 of the serial port chip D1 and the pin 14 of the serial port chip D1 are electrically connected to the host computer respectively, the pin 16 of the serial port chip D1 is electrically connected to the first end of the resistor R18, the second end of the resistor R18 is electrically connected to the power supply circuit, the pin 2 of the serial port chip D1 is electrically connected to the first end of the capacitor C8, the pin 6 of the serial port chip D1 is electrically connected to the first end of the capacitor C7, the second end of the capacitor C7, the second end of the capacitor C8 and the pin 15 of the serial port chip D1 are all grounded, and the other pins of the serial port chip D1 are suspended; the pin 5 of the driving chip D3 is electrically connected to the power supply circuit, the pin 3 of the driving chip D3 is grounded, the pin 4 of the driving chip D3 is electrically connected to the first end of the resistor R20, and the second end of the resistor R20 is electrically connected to the product.
[0027] In addition, the input signals of the serial port circuit include: SLWK-3V3 output by the power supply circuit, ARM-UART-TX output by the product, and RS232-RX output by the host computer; The output information of the serial port circuit includes: Output to RS232-TX of the host computer, output to ARM-UART-RX of the product, and output to D-SET of the trigger circuit.
[0028] The input signals of the RS232 serial port circuit include SLWK-3V3, ARM-UART-TX, and RS232-RX, where SLWK-3V3 is the working power supply of the serial port circuit, ARM-UART-TX is the 232 information input by the microcontroller, and RS232-RX is the 232 information input from the outside; the output signals include RS232-TX, ARM-UART-RX, and D-SET, RS232-TX is the 232 information output to the outside, ARM-UART-RX is the 232 information output to the microcontroller (i.e., the product), and D-SET is the high signal output to the trigger circuit.
[0029] In one embodiment, Figure 4 As shown, the trigger circuit includes: a trigger chip D20, a resistor R80, a resistor R81, a resistor R82, a resistor R83 and a capacitor C53; Pin 7 of the trigger chip D20 is electrically connected to the serial port circuit, pin 2 of the trigger chip D20 is electrically connected to the first end of the resistor R80, pin 1 of the trigger chip D20 is electrically connected to the first end of the resistor R81, the second end of the resistor R81 is electrically connected to the product, pin 8 of the trigger chip D20 is electrically connected to the first end of the resistor R82, the second end of the resistor R82 is electrically connected to the power supply circuit, pin 6 of the trigger chip D20 is electrically connected to the initialization circuit, pin 5 of the trigger chip D20 is electrically connected to the product, the second end of the resistor R80 and pin 4 of the trigger chip D20 are both grounded, and pin 3 of the trigger chip D20 is suspended.
[0030] In addition, the input signals of the trigger circuit include: SLWK-3V3 output by the power supply circuit, the sleep signal ARM_SL output by the product, D-RESET output by the initialization circuit, and D-SET output by the serial port circuit. SLWK-3V3 is the working power supply of the trigger circuit, the ARM_SL signal is the sleep signal output by the microcontroller, the D-SET signal is used to set the trigger high, and the D-RESET signal is used to clear the trigger; The output signal of the trigger circuit includes: The EN-PW output by the trigger circuit is sent to the enable terminal of the external power supply circuit to control whether the power supply circuit works or not.
[0031] In one embodiment, Figure 5 As shown, the initialization circuit includes: a resistor R84 and a capacitor 54; wherein the first end of the resistor R84 is electrically connected to the power supply circuit, the second end of the resistor R84 and the first end of the capacitor 54 are electrically connected to the trigger circuit respectively, and the second end of the capacitor 54 is grounded.
[0032] The input signal of the initialization circuit is SLWK-3V3, which is the working power supply of the initialization circuit; the output signal D-RESET is sent to the trigger circuit.
[0033] Through the above-mentioned device for realizing product sleep and wake-up based on serial port, on the one hand, the power circuit converts the external input power into the working power of the device; at the beginning of power-on, the initialization circuit generates a reset signal, so that the output of the trigger circuit is low level, and the power of the product is controlled not to work; when the product needs to work, the host computer sends a wake-up instruction through the serial port, and the serial port circuit converts the wake-up instruction and sends it to the trigger circuit, so that the trigger output is high level, and the power of the product is controlled to work; when the product needs to sleep, the host computer sends a sleep instruction through the serial port, and the product generates a sleep signal and sends it to the trigger circuit, so that the trigger output is low level, and the power of the product is controlled not to work. On the other hand, without adding additional wiring, the sleep and wake-up of the product can be realized through the serial port, thereby achieving the purpose of reducing the power consumption of the product and extending the working time of the product.
[0034] It should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc. in the above description indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present disclosure and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present disclosure.
[0035] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present disclosure, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.
[0036] In the embodiments of the present disclosure, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present disclosure can be understood according to specific circumstances.
[0037] In the embodiments of the present disclosure, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0038] 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 present disclosure. 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.
[0039] Those skilled in the art will readily appreciate other embodiments of the present disclosure after considering the specification and practicing the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the present disclosure, which follows the general principles of the present disclosure and includes common knowledge or customary techniques in the art that are not disclosed in the present disclosure. The specification and examples are intended to be exemplary only, and the true scope and spirit of the present disclosure are indicated by the appended claims.
Claims
1. A device for realizing product sleep and wake-up based on a serial port, characterized in that: The device includes: A power supply circuit, a serial port circuit, a trigger circuit and an initialization circuit; wherein the serial port circuit and the initialization circuit are electrically connected to the trigger circuit respectively, and the power supply circuit is electrically connected to the serial port circuit, the initialization circuit and the trigger circuit respectively; The power supply circuit is used to provide power to the serial port circuit, the initialization circuit and the trigger circuit; The serial port circuit is used to perform serial port communication with the host computer and the product, send the trigger signal generated by it to the trigger circuit, and send the sleep instruction generated by the host computer to the product; The trigger circuit is used to generate and output a state signal according to the trigger signal and the sleep signal; wherein the state signal includes an enable signal and a disable signal; The initialization circuit is used to initialize the trigger circuit when power is turned on.
2. According to the device for realizing product sleep and wake-up based on serial port according to claim 1, it is characterized in that: The power supply circuit comprises: Power chip D1, inductor L1, resistor R2, resistor R3, resistor R4, resistor R5, resistor R19, diode D3, capacitor C16, capacitor C24, capacitor C4 and capacitor C15; wherein, The first end of the resistor R2 is electrically connected to the host computer, the second end of the resistor R2, the first end of the capacitor C16 and the first end of the resistor R3 are all electrically connected to the pin 5 of the power chip D1, the second end of the resistor R3 is electrically connected to the pin 4 of the power chip D1, the pin 1 of the power chip D1 is electrically connected to the first end of the capacitor C24, the pin 6 of the power chip D1, the second end of the capacitor C24, the cathode of the diode D3 and the first end of the inductor L1 are electrically connected, and the second end of the inductor L1 is electrically connected to the capacitor C The first end of the resistor R4, the first end of the capacitor C15, the first end of the resistor R4 and the first end of the resistor R19 are electrically connected, the second end of the resistor R4, the first end of the resistor R5 and the pin 3 of the power chip D1 are electrically connected, the second end of the resistor R19 is electrically connected to the serial port circuit, the initialization circuit and the trigger circuit respectively, and the second end of the capacitor C16, the pin 2 of the power chip D1, the positive electrode of the diode D3, the second end of the capacitor C4, the second end of the capacitor C15 and the second end of the resistor R5 are all grounded.
3. The device for realizing product sleep and wake-up based on serial port according to claim 2, characterized in that: The input signal of the power supply circuit is IN_PW, and the output signal of the power supply circuit is SL_WK_+3.3V.
4. The device for realizing product sleep and wake-up based on serial port according to claim 1, characterized in that: The serial port circuit comprises: Serial port chip D1, driver chip D3, resistor R17, resistor R18, resistor R19, resistor R20, capacitor C5, capacitor C6, capacitor C7 and capacitor C8; wherein, The first end of the resistor R19 is electrically connected to pin 2 and pin 1 of the driver chip D3 respectively, the second end of the resistor R19 is electrically connected to the trigger circuit and pin 12 of the serial port chip D1, the first end of the resistor R17 is electrically connected to the product, the second end of the resistor R17 is electrically connected to pin 11 of the serial port chip D1, the first end of the capacitor C5 is electrically connected to pin 1 of the serial port chip D1, the second end of the capacitor C5 is electrically connected to pin 3 of the serial port chip D1, the first end of the capacitor C6 is electrically connected to pin 4 of the serial port chip D1, and the second end of the capacitor C6 is electrically connected to the Pin 5 of the serial port chip D1 is electrically connected, pin 13 of the serial port chip D1 and pin 14 of the serial port chip D1 are electrically connected to the host computer respectively, pin 16 of the serial port chip D1 is electrically connected to the first end of the resistor R18, the second end of the resistor R18 is electrically connected to the power supply circuit, pin 2 of the serial port chip D1 is electrically connected to the first end of the capacitor C8, pin 6 of the serial port chip D1 is electrically connected to the first end of the capacitor C7, the second end of the capacitor C7, the second end of the capacitor C8 and pin 15 of the serial port chip D1 are all grounded, and the other pins of the serial port chip D1 are suspended; Pin 5 of the driving chip D3 is electrically connected to the power circuit, pin 3 of the driving chip D3 is grounded, pin 4 of the driving chip D3 is electrically connected to the first end of the resistor R20, and the second end of the resistor R20 is electrically connected to the product.
5. The device for realizing product sleep and wake-up based on serial port according to claim 4, characterized in that: The input signal of the serial port circuit includes: SLWK-3V3 output by the power circuit, ARM-UART-TX output by the product, and RS232-RX output by the host computer; The output information of the serial port circuit includes: Output to RS232-TX of the host computer, output to ARM-UART-RX of the product, and output to D-SET of the trigger circuit.
6. The device for realizing product sleep and wake-up based on serial port according to claim 1, characterized in that: The trigger circuit comprises: Trigger chip D20, resistor R80, resistor R81, resistor R82, resistor R83 and capacitor C53; wherein, Pin 7 of the trigger chip D20 is electrically connected to the serial port circuit, pin 2 of the trigger chip D20 is electrically connected to the first end of the resistor R80, pin 1 of the trigger chip D20 is electrically connected to the first end of the resistor R81, the second end of the resistor R81 is electrically connected to the product, pin 8 of the trigger chip D20 is electrically connected to the first end of the resistor R82, the second end of the resistor R82 is electrically connected to the power supply circuit, pin 6 of the trigger chip D20 is electrically connected to the initialization circuit, pin 5 of the trigger chip D20 is electrically connected to the product, the second end of the resistor R80 and pin 4 of the trigger chip D20 are both grounded, and pin 3 of the trigger chip D20 is suspended.
7. The device for realizing product sleep and wake-up based on a serial port according to claim 6, characterized in that: The input signal of the trigger circuit includes: SLWK-3V3 output by the power supply circuit, the sleep signal ARM_SL output by the product, D-RESET output by the initialization circuit, and D-SET output by the serial port circuit; The output signal of the trigger circuit includes: The flip-flop circuit outputs EN-PW.
8. The device for realizing product sleep and wake-up based on serial port according to claim 1, characterized in that: The initialization circuit comprises: Resistor R84 and capacitor 54; wherein, The first end of the resistor R84 is electrically connected to the power supply circuit, the second end of the resistor R84 and the first end of the capacitor 54 are electrically connected to the trigger circuit respectively, and the second end of the capacitor 54 is grounded.