[go: up one dir, main page]

CN222189868U - Electronic devices - Google Patents

Electronic devices Download PDF

Info

Publication number
CN222189868U
CN222189868U CN202323614835.XU CN202323614835U CN222189868U CN 222189868 U CN222189868 U CN 222189868U CN 202323614835 U CN202323614835 U CN 202323614835U CN 222189868 U CN222189868 U CN 222189868U
Authority
CN
China
Prior art keywords
circuit
key
electronic device
burning
detection circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202323614835.XU
Other languages
Chinese (zh)
Inventor
邓佳伟
旷江涛
高飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Insta360 Innovation Technology Co Ltd
Original Assignee
Insta360 Innovation Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Insta360 Innovation Technology Co Ltd filed Critical Insta360 Innovation Technology Co Ltd
Priority to CN202323614835.XU priority Critical patent/CN222189868U/en
Application granted granted Critical
Publication of CN222189868U publication Critical patent/CN222189868U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Input From Keyboards Or The Like (AREA)

Abstract

本申请涉及一种电子设备。该电子设备具有强制烧录模式,电子设备包括:至少两个按键,每一按键被单独触发时,电子设备执行对应的功能操作;烧录触发电路,输入端与至少两个按键连接,烧录触发电路输出端与电子设备的处理器连接,烧录触发电路在检测到至少两个按键同时被触发的情况下,输出强制烧录信号至处理器,以控制电子设备进入强制烧录模式。该电子设备能够降低烧录的复杂度。

The present application relates to an electronic device. The electronic device has a forced burning mode, and the electronic device includes: at least two buttons, when each button is triggered individually, the electronic device performs a corresponding function operation; a burning trigger circuit, the input end of which is connected to the at least two buttons, the output end of the burning trigger circuit is connected to the processor of the electronic device, and the burning trigger circuit outputs a forced burning signal to the processor when detecting that at least two buttons are triggered at the same time, so as to control the electronic device to enter the forced burning mode. The electronic device can reduce the complexity of burning.

Description

Electronic equipment
Technical Field
The application relates to the technical field of circuits, in particular to electronic equipment.
Background
With the continuous development of technology, electronic products are also increasingly developed towards intelligence.
In the using process of the electronic product, once the fault of the software layer occurs, the chip can be taken down to be burnt on the jig only through the disassembling machine, and the complexity of the whole burning process is higher.
Disclosure of Invention
Accordingly, in order to solve the above-mentioned problems, it is necessary to provide an electronic device capable of reducing the complexity of the writing.
In a first aspect, the present application provides an electronic device having a forced burning mode, the electronic device comprising:
at least two keys, each key is independently triggered, and the electronic equipment executes corresponding function operation;
The input end of the burning trigger circuit is connected with at least two keys, the output end of the burning trigger circuit is connected with a processor of the electronic equipment, and the burning trigger circuit outputs a forced burning signal to the processor under the condition that at least two keys are detected to be triggered simultaneously so as to control the electronic equipment to enter a forced burning mode.
In one embodiment, the burn trigger circuit includes:
the input end of the detection circuit is connected with at least two keys, the detection circuit is used for outputting corresponding key trigger signals when the keys are triggered, and
The input end of the logic circuit is connected with the output end of the detection circuit, the output end of the logic circuit is connected with the processor, and the logic circuit is used for outputting a forced burning signal to the processor when at least two key trigger signals are received.
In one embodiment, the detection circuit includes:
The first detection circuit and the second detection circuit, the button includes first button and second button, and the input of first detection circuit is connected with first button, and the input of second detection circuit is connected with the second button, and the output of first detection circuit and the output of second detection circuit all are connected with logic circuit's input.
In one embodiment, the key trigger signals have the same level type, and the logic circuit includes:
And the AND gate logic circuit is used for receiving the key trigger signals, the output end of the AND gate logic circuit is connected with the processor, and the AND gate logic circuit is used for outputting forced burning signals to the processor when at least two key trigger signals are received.
In one embodiment, the first key is a power key, and when the first key is triggered separately, the electronic device enters a power-on state, a power-off state, a standby state or an awake state.
In one embodiment, the second key is a video key, and when the second key is triggered separately, the electronic device enters a video state or ends the video state.
In one embodiment, the first detection circuit comprises a switch circuit and a protection circuit, wherein the input end of the switch circuit is connected with the first key, the output end of the switch circuit is connected with the input end of the protection circuit, and the output end of the protection circuit is connected with the input end of the logic circuit.
In one embodiment, the switch circuit comprises a switch tube, the protection circuit comprises a first resistor, a second resistor and a protection capacitor, the controlled end of the switch tube is respectively connected with the output end of the first resistor and the input end of the second resistor, the input end of the first resistor is connected with the first key, the output end of the second resistor is respectively connected with the voltage source and the input end of the switch tube, the output end of the switch tube is connected with the input end of the logic circuit, the input end of the protection capacitor is connected with the voltage source and the input end of the switch tube, and the output end of the protection capacitor is grounded.
In one embodiment, the electronic device is a photographing device.
In one embodiment, the electronic device further includes a housing, the processor and the burning trigger circuit are disposed inside the housing, and the key is disposed outside the housing.
The electronic equipment is provided with a forced burning mode, and comprises at least two keys, wherein when each key is independently triggered, the electronic equipment executes corresponding functional operation, the input end of the burning trigger circuit is connected with the at least two keys, the output end of the burning trigger circuit is connected with a processor of the electronic equipment, and the burning trigger circuit outputs a forced burning signal to the processor to control the electronic equipment to enter the forced burning mode under the condition that the at least two keys are detected to be triggered simultaneously. The process reduces the cost of the electronic equipment for realizing data burning by multiplexing at least two keys of the electronic equipment without adding new keys. And a burning trigger circuit is arranged in the electronic equipment to realize the forced burning process.
Drawings
FIG. 1 is a schematic diagram of an electronic device in one embodiment;
FIG. 2 is a schematic diagram of an electronic device in one embodiment;
FIG. 3 is a schematic diagram of an electronic device in one embodiment;
FIG. 4 is a schematic diagram of an electronic device in one embodiment;
FIG. 5 is a schematic diagram of an electronic device in one embodiment;
FIG. 6 is a schematic diagram of an electronic device in one embodiment;
FIG. 7 is a schematic diagram of an electronic device in one embodiment;
FIG. 8 is a schematic diagram of a voltage regulator circuit according to an embodiment;
FIG. 9 is a schematic diagram of a voltage adjustment circuit according to an embodiment;
fig. 10 is a schematic structural diagram of an electronic device in one embodiment.
Reference numerals illustrate:
The electronic equipment comprises at least two keys, a first key 111, a second key 112, a burning trigger circuit 12, a detection circuit 121, a first detection circuit 1211, a switch circuit 1213, a switching tube M1, a protection circuit 1214, a first resistor R1, a second resistor R2, a protection capacitor C, a second detection circuit 1212, a video switch tube M2, a third resistor R3, a fourth resistor R4, a logic circuit 122, an AND gate logic circuit 1221, a processor 13, a VDD, a voltage source L1, a first inductor C1, a first capacitor C2, a second capacitor D, a diode L2, a second inductor L3, a third inductor L3 and a shell 14.
Detailed Description
The present application will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs, the terms used herein are for the purpose of describing particular embodiments only and are not intended to be limiting of the application, and the terms "comprising" and any variations thereof in the description of the application and the claims and the above description of the drawings are intended to cover non-exclusive inclusions.
It will be understood that the terms first, second, etc. as used herein may be used to describe various elements, but these elements are not limited by these terms. These terms are only used to distinguish one element from another element. For example, a first resistance may be referred to as a second resistance, and similarly, a second resistance may be referred to as a first resistance, without departing from the scope of the application. Both the first resistor and the second resistor are resistors, but they are not the same resistor.
It is to be understood that in the following embodiments, "connected" is understood to mean "electrically connected", "communicatively connected", etc., if the connected circuits, modules, units, etc., have electrical or data transfer between them.
As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," and/or the like, specify the presence of stated features, integers, steps, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof. Also, the term "and/or" as used in this specification includes any and all combinations of the associated listed items.
In one embodiment, fig. 1 is a schematic structural diagram of an electronic device, where the electronic device 10 has a forced burning mode, and the forced burning can be performed on a processor chip through entering the forced burning through a hardware terminal;
In the present embodiment, the electronic apparatus 10 includes:
At least two keys 11, each key being individually activated, the electronic device 10 performs a corresponding functional operation;
The input end of the burning trigger circuit 12 is connected with at least two keys 11, the output end of the burning trigger circuit 12 is connected with the processor 13 of the electronic device 10, and the burning trigger circuit 12 outputs a forced burning signal to the processor 13 to control the electronic device 10 to enter a forced burning mode under the condition that the at least two keys 11 are detected to be triggered simultaneously.
The electronic device 10 may be a conventional electronic device, such as a camera, a cell phone, a smart watch, or the like. When the electronic device 10 is in the forced burning mode, the chip (e.g., processor) of the electronic device 10 can be forced burned.
The electronic device 10 has at least two keys 11. Two keys 11 may be provided on an exterior surface of the electronic device 10 to facilitate key actuation by a user. For example, the key may be a power-on key, and the electronic device 10 may switch from a power-off state to a power-on state when the power-on key is activated. The key may also be a mode selection key, in which case the electronic device 10 may enter the mode selection interface.
On this basis, in the embodiment of the present application, when the forced burning mode is set, no new key is added, and only the key of the electronic device 10 is multiplexed to realize forced burning.
The burning trigger circuit 12 and the processor 13 for realizing forced burning are both arranged inside the electronic device 10, and at least two keys 11 are connected with the processor 13 through the burning trigger circuit 12.
When at least two keys 11 are triggered at the same time, the burning triggering circuit 12 triggers the forced burning signal, and the processor 13 controls the electronic device 10 to enter the forced burning mode after receiving the forced burning signal. The burn trigger circuit 12 may be implemented by a combination of logic circuits, switching circuits, and other electronic components.
It will be appreciated that the burning triggering circuit 12 may be implemented by at least two switches, each of which is connected to one key, and the at least two switches are connected in series, and when the at least two switches are triggered simultaneously, the at least two switches are all in a conductive state, and at this time, the burning triggering circuit 12 is in a conductive state, and may send a forced burning signal to the processor 13.
The electronic equipment is provided with a forced burning mode, and comprises at least two keys, a burning trigger circuit 12 and a burning trigger circuit 12, wherein when each key is independently triggered, the electronic equipment executes corresponding functional operation, the input end of the burning trigger circuit 12 is connected with the at least two keys, the output end of the burning trigger circuit 12 is connected with a processor 13 of the electronic equipment, and when the burning trigger circuit 12 detects that the at least two keys are triggered at the same time, a forced burning signal is output to the processor 13 so as to control the electronic equipment to enter the forced burning mode. The process reduces the cost of the electronic equipment for realizing data burning by multiplexing at least two keys of the electronic equipment without adding new keys. The forced burning process can be realized by only arranging a burning trigger circuit in the electronic equipment.
In one embodiment, fig. 2 is a schematic structural diagram of an electronic device, and the burning triggering circuit 12 includes:
A detection circuit 121 with input terminals connected to at least two keys 11, the detection circuit 121 for outputting corresponding key trigger signals when the keys are triggered, and
The input end of the logic circuit 122 is connected with the output end of the detection circuit 121, the output end of the logic circuit 122 is connected with the processor 13, and the logic circuit 122 is used for outputting a forced burning signal to the processor 13 when receiving the trigger signals of at least two keys 11.
In the embodiment of the present application, the burning trigger circuit 12 will be described in detail. The burn trigger circuit 12 includes a detection circuit 121 and a logic circuit 122. The input end of the detection circuit 121 is connected with at least two keys 11 respectively, the output end of the detection circuit 121 is connected with the input end of the logic circuit 122, and the output end of the logic circuit 122 is connected with the processor 13.
The detection circuit 121 is configured to detect whether at least two keys are activated, and when one key is activated, the detection circuit 121 may output a key activation signal or not. When at least two keys 11 are simultaneously activated, the detection circuit 121 may simultaneously output one or more key activation signals.
When the logic circuit 12 receives the key trigger signals, it determines whether the number of the key trigger signals is the same as the number of the keys, if so, it determines that at least two keys 11 are triggered simultaneously, and then it outputs a forced burning signal, so that the electronic device enters a forced burning mode. If not, it is determined that at least two keys 11 are not activated simultaneously, at which time the logic circuit 12 ignores the key activation signal. The Logic circuit 12 may be a Logic gate circuit, a Transistor-Transistor Logic (TTL) circuit, a programmable gate array (Field Program GATE ARRAY, FPGA), or the like.
The burning triggering circuit in the electronic equipment comprises a detection circuit and a logic circuit, wherein the input end of the detection circuit is connected with at least two keys, the detection circuit is used for outputting corresponding key triggering signals when the keys are triggered, the input end of the logic circuit is connected with the output end of the detection circuit, the output end of the logic circuit is connected with a processor, and the logic circuit is used for outputting forced burning signals to the processor when the at least two key triggering signals are received. The burning triggering circuit can monitor whether the keys are triggered in real time through the detection circuit, and judges whether at least two keys are triggered simultaneously through the logic circuit, so that the forced burning signal can be accurately output.
In one embodiment, fig. 3 is a schematic structural diagram of an electronic device, and the detection circuit 121 includes a first detection circuit 1211 and a second detection circuit 1212, the key 11 includes a first key 111 and a second key 112, an input end of the first detection circuit 1211 is connected to the first key 111, an input end of the second detection circuit 1212 is connected to the second key 112, and an output end of the first detection circuit 1211 and an output end of the second detection circuit 1212 are both connected to an input end of the logic circuit 122.
In the case where the number of keys is two and the two keys 11 are the first key 111 and the second key 112, respectively, the detection circuit 121 also includes two detection circuits, namely, the first detection circuit 1211 and the second detection circuit 1212, respectively. The first key 111 is connected to the logic circuit 122 through a first detection circuit 1211, and the first detection circuit 1211 is used to detect whether the first key 111 is triggered. The second key 112 is connected to the logic circuit 122 through a second detecting circuit 1212, and the second detecting circuit 1212 is configured to detect whether the second key 112 is activated. The first detection circuit 1211 and the second detection circuit 1212 may be composed of a resistor and a chip, and the key may be detected by the chip when pressed to determine that the key is activated.
The detection circuit comprises a first detection circuit and a second detection circuit, wherein the keys comprise a first key 111 and a second key 112, the input end of the first detection circuit 1211 is connected with the first key 11, the input end of the second detection circuit 1212 is connected with the second key 112, and the output end of the first detection circuit 1211 and the output end of the second detection circuit 1212 are both connected with the input end of the logic circuit 122. The circuit detects the two keys through the two paths of detection circuits respectively, and can detect whether the two keys are triggered or not more accurately in a single detection mode, so that the detection accuracy is improved.
In one embodiment, fig. 4 is a schematic structural diagram of an electronic device, the levels of the key trigger signals are the same, the logic circuit 122 includes an and logic circuit 1221, an input end is used for receiving the key 11 trigger signal, an output end is connected to the processor 13, and the and logic circuit 1221 is used for outputting a forced burning signal to the processor 13 when receiving at least two key 11 trigger signals.
The and logic 1211 includes a plurality of inputs and an output, and outputs are high when all inputs are high at the same time. When any one of the inputs is low, the output is low.
In the embodiment of the present application, the input end of the and logic circuit 1221 inputs the trigger signals of the first key 111 and the second key 112, and the output end outputs the forced burning signal. When both the first button 111 and the second button 112 in the buttons 11 are triggered, the input end of the and logic circuit 1221 is a high level signal, and then the output end of the and logic circuit 1221 outputs a high level signal, i.e. a forced burning signal, so as to burn the data in the processor 13 onto the recorder.
The logic circuit comprises an AND gate logic circuit, wherein the input end of the AND gate logic circuit is used for receiving the key trigger signals, the output end of the AND gate logic circuit is connected with the processor, and the AND gate logic circuit is used for outputting forced burning signals to the processor when at least two key trigger signals are received. Under the condition that the level types triggered by the two keys are the same, the process can realize the output of the forced burning signal through the AND gate logic circuit, namely the forced burning function is realized through simple hardware, and the complexity of forced burning is reduced.
In one embodiment, the first key 111 is a power key, and when the first key 111 is triggered separately, the electronic device 10 enters an on state, an off state, a standby state, or an awake state.
In the embodiment of the present application, if the first key 111 is a power key and the electronic device 10 is in the power-off state, the user triggers the first key 111, and the electronic device 10 is switched from the power-off state to the power-on state. If the electronic device 10 is in the on state, the user activates the first key 111, and the electronic device 10 is switched from the on state to the off state. If the electronic device is in the power-on sleep state, the user triggers the first key 111, and the electronic device 10 is switched from the power-on sleep state to the wake-up state.
The first key is a power key, and when the first key is triggered independently, the electronic device enters a starting state, a closing state, a standby state or an awakening state. By limiting the functions of the first key, under the condition that the first key is a power key and is triggered, the electronic equipment enters a preset state from different states, and the state switching process under different conditions can be realized through one power key, so that the setting quantity of the keys is reduced.
In one embodiment, the second key 112 is a record key, and when the second key 112 is triggered separately, the electronic device 10 enters a record state or ends the record state.
In the embodiment of the present application, if the second key 112 is a video key and the electronic device 10 is in the on state, the user triggers the second key 112, and the electronic device 10 switches from the on state to the on video state. If the electronic device 10 is in the on-state, the user triggers the second key 112, and the electronic device 10 switches from the on-state to the off-state.
The second key is a video key, and when the second key is triggered independently, the electronic device enters a video state or ends the video state. By limiting the functions of the second keys, under the condition that the second keys are video recording keys and are triggered, the electronic equipment enters video recording or ends video recording states from different states, and the state switching process under two different conditions can be realized through one video recording key, so that the setting quantity of the keys is reduced.
In one embodiment, FIG. 5 is a schematic diagram of an electronic device, the first detection circuit 1211 includes a switch circuit 1213 and a protection circuit 1214, an input terminal of the switch circuit 1213 is connected to the first key 111, an output terminal of the switch circuit 1213 is connected to an input terminal of the protection circuit 1214, and an output terminal of the protection circuit 1214 is connected to an input terminal of the logic circuit 122.
The switch circuit 1213 includes two states of on and off, and when the switch circuit 1213 is in the on state, the first detection circuit 1211 detects that the first key 111 is activated. When the switch circuit 1213 is in the off state, the second detection circuit 1212 detects that the second key 112 is activated. The switch circuit 1213 may be implemented by a switch transistor, for example, a transistor or a MOS transistor. Or the switch circuit can also be realized by a single-pole single-throw switch, a single-pole double-throw switch, a single-pole multi-throw switch and the like. Alternatively, the switch circuit may be implemented by some switch chips, and the electronic components included in the switch circuit 1213 are not limited in the embodiment of the present application.
The purpose of the protection circuit 1214 is to ensure a stable voltage for powering the switching circuit, avoiding burning out the switching circuit due to instabilities in the voltage. The protection circuit 1214 may be composed of electronic components such as a resistor and a capacitor.
The first detection circuit includes a switch circuit 1213 and a protection circuit 1214, wherein an input terminal of the switch circuit 1213 is connected to the first key, an output terminal of the switch circuit 1213 is connected to an input terminal of the protection circuit 1214, and an output terminal of the protection circuit 1214 is connected to an input terminal of the logic circuit 122. The circuit accurately judges whether the first key 111 is triggered or not by arranging the switch circuit 1213 and according to the conduction or not of the switch circuit 1213, and meanwhile, the voltage input into the switch circuit 1213 is stable by arranging the protection circuit 1214, so that the safety of the switch circuit 1213 is ensured.
In one embodiment, fig. 6 is a schematic structural diagram of an electronic device, the switch circuit 1213 includes a switch tube M1, the protection circuit 1214 includes a first resistor R1, a second resistor R2, and a protection capacitor C, the controlled end of the switch tube M1 is connected to the output end of the first resistor R1 and the input end of the second resistor R2, the input end of the first resistor R1 is connected to the first key 111, the output end of the second resistor R2 is connected to the voltage source VDD and the input end of the switch tube M1, the output end of the switch tube M1 is connected to the input end of the logic circuit 122, the input end of the protection capacitor C is connected to the voltage source VDD and the input end of the switch tube M1, and the output end of the protection capacitor C is grounded.
In the embodiment of the present application, when the first key 111 is triggered, the switch tube M1 is in a conductive state, and the first detection circuit 1211 outputs a high level signal. The switching tube can be a triode or a MOS tube. The resistance of the first resistor R1, the resistance of the second resistor R2, and the capacitance of the protection capacitor C can be determined according to the switching tube M1. The first resistor R1 and the second resistor R2 may be wire wound power resistors, film type power resistors, solid ceramic resistors, or the like. The protective capacitor C may be an aluminum electrolytic capacitor, a ceramic capacitor, a mica capacitor, or the like.
The switch circuit comprises a switch tube, the protection circuit 1214 comprises a first resistor R1, a second resistor R2 and a protection capacitor, the controlled end of the switch tube is respectively connected with the output end of the first resistor R1 and the input end of the second resistor R2, the input end of the first resistor R1 is connected with the first key 111, the output end of the second resistor R2 is respectively connected with a voltage source and the input end of the switch tube, the output end of the switch tube is connected with the input end of the logic circuit, the input end of the protection capacitor is connected with the voltage source and the input end of the switch tube, and the output end of the protection capacitor is grounded. The circuit can protect the power-on process of the switching tube through a plurality of resistors and capacitors, so that the logic circuit is prevented from being burnt out due to unstable voltage in the power-on process, and the safety of the burning trigger circuit is ensured.
Further, fig. 7 is a schematic structural diagram of an electronic device, where the second detection circuit 1212 may also include a video switch tube M2, a third resistor R3, and a fourth resistor R4, where an input end of the third resistor R3 is connected to the second key 112, an output end of the third resistor R3 is connected to a controlled end of the video switch tube M2, an input end of the video switch tube M2 is connected to the voltage source VDD, and an output end of the video switch tube M2 is connected to an input end of the logic circuit 122 and an input end of the fourth resistor R4, respectively, and an output end of the fourth resistor R4 is grounded.
Next, the voltage source VDD is described, whose output voltage needs to be kept low, for example, the output voltage of the voltage source VDD may be 3.3 volts (V). The 3.3V voltage can not be directly obtained, and the output voltage of the universal serial bus (Universal Serial Bus, USB) interface can be adjusted to meet the requirement of a voltage source. Assuming that the voltage output by the USB interface is 5V, the 5V can be converted into 3.3V through a voltage adjusting circuit consisting of a resistor and a capacitor. Fig. 8 is a schematic diagram of a voltage adjusting circuit, where the voltage adjusting circuit includes a 5V input voltage, a first inductor L1, a first capacitor C1, a second capacitor C2, a diode D, a second inductor L2, and a third inductor L3, the input end of the inductor L, the input end of the first capacitor C1, the input end of the second capacitor C2, and the input end of the diode D are all connected with the 5V input voltage, the output end of the first inductor L1, the output end of the first capacitor C1, the output end of the second capacitor C2, and the output end of the diode D are all grounded, the first end of the second inductor L2 is connected with the 5V input voltage, the output end of the second inductor L2 is connected with the input end of the third inductor L3, the output end of the third inductor L3 is grounded, and the common end of the second inductor L2 and the third inductor L3 outputs a 3.3V voltage.
The voltage adjusting circuit can also be implemented by a chip, fig. 9 is a schematic structural diagram of the voltage adjusting circuit, the 5V input voltage is connected with the input end of the chip, the output end of the chip is connected with the input end of the second inductor L2, the output end of the second inductor L2 is connected with the input end of the third inductor L3, the output end of the third inductor L3 is grounded, and the common end of the second inductor L2 and the third inductor L3 outputs 3.3V voltage.
In one embodiment, fig. 10 is a schematic structural diagram of an electronic device, where the electronic device 10 further includes a housing 14, the processor 13 and the burning trigger circuit 12 are disposed inside the housing 14, and the key 11 is disposed outside the housing 14.
In the embodiment of the present application, the housing 14 is also disposed inside the electronic device 10, so that the processor 13 and the burning triggering circuit 12 are protected by the housing 14 in order to avoid the influence of other circuits in the electronic device 10 on the forced burning process. And at least two keys 11 are arranged outside the shell 14, so that the key triggering is convenient for a user. It should be noted that the housing 14 may be a single housing, and the processor 13 and the recording trigger circuit 12 are disposed inside the single housing. Alternatively, the processor 13 may be provided in one of the cases, and the burn trigger circuit 12 may be provided in the other case. For example, the housing 14 may be made of an aluminum alloy material, a plastic material, a ceramic material, or the like.
The electronic equipment further comprises a shell, the processor and the burning trigger circuit are arranged inside the shell, and the keys are arranged on the shell. The processor and the burning trigger circuit are arranged in the shell, so that the processor and the burning trigger circuit can be isolated from other circuits through the shell, the influence of the other circuits is avoided, and the safety of the burning trigger process is ensured.
The technical features of the above embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The foregoing examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of the application should be assessed as that of the appended claims.

Claims (10)

1. An electronic device having a forced burning mode, the electronic device comprising:
At least two keys, wherein when each key is independently triggered, the electronic equipment executes corresponding functional operation;
The input end of the burning trigger circuit is connected with at least two keys, the output end of the burning trigger circuit is connected with a processor of the electronic equipment, and the burning trigger circuit outputs a forced burning signal to the processor under the condition that at least two keys are detected to be triggered simultaneously so as to control the electronic equipment to enter a forced burning mode.
2. The electronic device of claim 1, wherein the burn trigger circuit comprises:
The input end of the detection circuit is connected with at least two keys, the detection circuit is used for outputting corresponding key trigger signals when the keys are triggered, and
The input end of the logic circuit is connected with the output end of the detection circuit, the output end of the logic circuit is connected with the processor, and the logic circuit is used for outputting the forced burning signal to the processor when at least two key trigger signals are received.
3. The electronic device of claim 2, wherein the detection circuit comprises:
the first detection circuit and the second detection circuit, the button includes first button and second button, first detection circuit's input with first button is connected, second detection circuit's input with the second button is connected, first detection circuit's output with second detection circuit's output all with logic circuit's input is connected.
4. The electronic device of claim 2, wherein the key trigger signals are of the same level type, the logic circuit comprising:
And the AND gate logic circuit is used for receiving the key trigger signals, the output end of the AND gate logic circuit is connected with the processor, and the AND gate logic circuit is used for outputting the forced burning signals to the processor when at least two key trigger signals are received.
5. The electronic device of claim 3, wherein the electronic device comprises a plurality of electronic devices,
The first key is a power key, and when the first key is triggered independently, the electronic equipment enters a starting state, a closing state, a standby state or an awakening state.
6. The electronic device of claim 3, wherein the electronic device comprises a plurality of electronic devices,
The second key is a video recording key, and when the second key is triggered independently, the electronic equipment enters a video recording state or ends the video recording state.
7. The electronic device of claim 3, wherein the first detection circuit comprises a switch circuit and a protection circuit, an input terminal of the switch circuit is connected with the first key, an output terminal of the switch circuit is connected with an input terminal of the protection circuit, and an output terminal of the protection circuit is connected with an input terminal of the logic circuit.
8. The electronic device of claim 7, wherein the switching circuit comprises a switching tube, the protection circuit comprises a first resistor, a second resistor and a protection capacitor, the controlled end of the switching tube is respectively connected with the output end of the first resistor and the input end of the second resistor, the input end of the first resistor is connected with the first key, the output end of the second resistor is respectively connected with a voltage source and the input end of the switching tube, the output end of the switching tube is connected with the input end of the logic circuit, the input end of the protection capacitor is connected with the voltage source and the input end of the switching tube, and the output end of the protection capacitor is grounded.
9. The electronic device of any of claims 1-5, wherein the electronic device is a camera device.
10. The electronic device of any one of claims 1-5, further comprising a housing, wherein the processor and the burn trigger circuit are disposed inside the housing, and wherein the key is disposed outside the housing.
CN202323614835.XU 2023-12-27 2023-12-27 Electronic devices Active CN222189868U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202323614835.XU CN222189868U (en) 2023-12-27 2023-12-27 Electronic devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202323614835.XU CN222189868U (en) 2023-12-27 2023-12-27 Electronic devices

Publications (1)

Publication Number Publication Date
CN222189868U true CN222189868U (en) 2024-12-17

Family

ID=93828717

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202323614835.XU Active CN222189868U (en) 2023-12-27 2023-12-27 Electronic devices

Country Status (1)

Country Link
CN (1) CN222189868U (en)

Similar Documents

Publication Publication Date Title
JP3821304B2 (en) Electronic system with chip integrating power-on reset circuit with glitch sensor
US7723870B2 (en) Power switch system
TWI413893B (en) Delay method, output device and power system for determining activation moment of circuit system
KR20020039340A (en) Electric/electronic circuit device
JP4988671B2 (en) Serial bus system and hang-up slave reset method
CN222189868U (en) Electronic devices
CN103178825B (en) Key control device
US7002377B2 (en) Clock signal detection circuit and semiconductor integrated circuit using the same
JP3738245B2 (en) Power supply for arithmetic unit having low-voltage operation mode and method for controlling power supply to the arithmetic unit
US9083384B2 (en) Microcomputer system
CN113721508B (en) Power-on and power-off time sequence control device and method
CN218214614U (en) Control circuit and electronic equipment
CN205427710U (en) Start circuit, motherboard and computer of motherboard
CN107193765B (en) Integrated circuit system and integrated circuit
CN217282902U (en) Touch key control circuit
CN217116063U (en) Key circuit, substrate and electronic equipment
JP5276761B2 (en) Apparatus and method for reducing dendrite
CN112486060B (en) Reset circuit, circuit board and electronic product of singlechip
KR100287770B1 (en) Power On / Off Signal Generator
US20240364332A1 (en) Cmos data clearing circuit
CN219285271U (en) Under-voltage reset circuit, power supply detection circuit, chip and electronic equipment
CN113489473B (en) Frequency generation device and frequency generation method
CN110417389A (en) Electrification reset circuit
CN220121170U (en) Automatic power-on circuit and system equipment
CN221351627U (en) Detection circuit and electronic device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant