CN111176672A - Upgrading expansion control circuit, control method and electronic equipment - Google Patents
Upgrading expansion control circuit, control method and electronic equipment Download PDFInfo
- Publication number
- CN111176672A CN111176672A CN201811333655.5A CN201811333655A CN111176672A CN 111176672 A CN111176672 A CN 111176672A CN 201811333655 A CN201811333655 A CN 201811333655A CN 111176672 A CN111176672 A CN 111176672A
- Authority
- CN
- China
- Prior art keywords
- control circuit
- chip
- selection
- main control
- terminal
- 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.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
Landscapes
- Engineering & Computer Science (AREA)
- Software Systems (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Stored Programmes (AREA)
Abstract
The invention provides an upgrading expansion control circuit which comprises a selection module and a switching module. The selection module is respectively connected with the main control circuit, the external equipment and the switching module, and correspondingly conducted according to a selection control signal output by the main control circuit, and when the main control circuit is upgraded, the external equipment transmits corresponding upgrading data to the switching module through the selection module; when the main control circuit is expanded, the main control circuit transmits a corresponding device connection signal to the external device through the selection module. The switching module is connected with the main control circuit and used for transmitting the upgrading data to the main control circuit through the corresponding interface. The invention also provides an upgrading expansion control method. The invention also provides electronic equipment. The upgrading expansion control circuit, the control method and the electronic equipment realize the upgrading of the main control circuit and expand the external equipment supporting the connection protocol through the selection module and the switching module, thereby solving the control problem of other control types of equipment.
Description
Technical Field
The present invention relates to the field of control of electronic devices, and in particular, to an upgrade extension control circuit, a control method, and an electronic device.
Background
In daily life, more and more devices such as televisions, air conditioners, refrigerators, DVDs and the like are equipped with corresponding electronic devices with infrared functions for control, and the electronic devices bring convenience to people.
However, these electronic devices can only control devices with infrared functions, and cannot meet the control requirements of more types of devices, so that the user still has inconvenience in use.
Disclosure of Invention
The invention provides an upgrading expansion control circuit, a control method and electronic equipment, which can solve the problem that other control types of equipment cannot be controlled.
The technical scheme adopted by the invention for solving the technical problem is as follows:
the invention discloses an upgrading expansion control circuit, which comprises a selection module and a switching module; the selection module is respectively connected with the main control circuit, the external equipment and the switching module, and correspondingly conducted according to a selection control signal output by the main control circuit, and when the main control circuit is upgraded, the external equipment transmits corresponding upgrading data to the switching module through the selection module; when the main control circuit is expanded, the main control circuit transmits a corresponding device connection signal to the external device through the selection module; the switching module is connected with the main control circuit and used for transmitting the upgrading data to the main control circuit through a corresponding interface.
In one embodiment, the selection module includes a selection chip, the selection chip includes a first control input end, a second control input end, a first interface end of an external device, a second interface end of the external device, a first upgrade end, a second upgrade end, a first output transmission end and a first input transmission end, the first control input end and the second control input end of the selection chip are both connected to the control output end of the main control circuit, the first interface end of the external device and the second interface end of the external device of the selection chip are both connected to the external device, and the first output transmission end and the first input transmission end of the selection chip are respectively connected to the second output transmission end and the second input transmission end of the main control circuit one by one; the switching module comprises a switching chip, and the switching chip comprises a first interface input end, a second interface input end, a third input transmission end and a third output transmission end; the first interface input end and the second interface input end of the switching chip are respectively connected with the first output transmission end and the first input transmission end of the selection module one by one, and the third input transmission end and the third output transmission end of the switching chip are respectively connected with the fourth input transmission end and the fourth output transmission end of the main control circuit one by one.
In one embodiment, the first control input end of the selection chip is connected with the control output end of the main control circuit through a first resistor and is grounded through a second resistor; and the third input transmission end of the switching chip is connected with the fourth input transmission end of the main control circuit through a third resistor, and the third output transmission end of the switching chip is connected with the fourth output transmission end of the main control circuit through a fourth resistor.
In one embodiment, the model of the selected chip is BCT 4223.
In one embodiment, the selection module includes an external interface, and the external device first interface end and the external device second interface end of the selection chip are connected to the external device through the external interface.
In one embodiment, when the main control circuit is upgraded, the external device is a computer.
In one embodiment, the adapter chip has a model number CH 340E.
In one embodiment, the adaptor module includes a USB interface, a UART interface, an RS232 interface, or an RS485 interface, which are connected to the third input transmission terminal and the third output transmission terminal of the adaptor chip.
In one embodiment, when the main control circuit is expanded, the external device is one of an MCU + RF module, a bluetooth module, and a zigbee module.
The invention provides an upgrade extension control method, which is used for the upgrade extension control circuit and comprises the following steps: s1, judging whether the power-on time of the main control circuit reaches the preset time, if yes, executing a step S4, and if no, executing a step S2; s2, judging whether the main control circuit receives the wake-up command, if yes, executing the step S4, and if no, executing the step S3; s3, sending a first control signal, connecting an external device to a switching module through the selection module, and then connecting the external device to the main control circuit through the switching module, wherein the main control circuit is upgraded; and S4, sending out a second control signal, connecting the external equipment with the main control circuit through the selection module, and expanding the main control circuit.
In one embodiment, the selection module includes a selection chip, the patching module includes a patching chip, and the step of S3 includes: and S31, the first control input end and the second control input end of the selection chip receive the first control signal, the first interface end of the external device of the selection chip is conducted with the first upgrading end, the second interface end of the external device of the selection chip is conducted with the second upgrading end, the first upgrading end of the selection chip is connected with the second interface input end of the switching chip, and the second upgrading end of the selection chip is connected with the first interface input end of the switching chip.
The invention provides electronic equipment which comprises the upgrading expansion control circuit.
The technical scheme provided by the embodiment of the invention has the following beneficial effects:
the invention provides an upgrading expansion control circuit and electronic equipment, which realize the upgrading of a main control circuit and the expansion of external equipment supporting a connection protocol through a selection module and a switching module, thereby solving the control problem of other control types of equipment.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a circuit diagram of an upgrade extension control circuit according to a first embodiment of the present invention;
FIG. 2 is a circuit diagram of an upgrade extension control circuit according to a second embodiment of the present invention;
FIG. 3 is a flowchart illustrating the operation of upgrading the expansion control circuit according to a third embodiment of the present invention.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description will be given to the specific implementation, structure, features and effects of the upgraded expansion control circuit and the electronic device according to the present invention with reference to the accompanying drawings and the preferred embodiments.
The foregoing and other technical and scientific aspects, features and advantages of the present invention will be apparent from the following detailed description of preferred embodiments, which is to be read in connection with the accompanying drawings. While the present invention has been described in terms of embodiments and examples, which are intended to achieve the objects and advantages specified, the drawings are for reference and illustrative purposes only and are not intended to be limiting.
First embodiment
FIG. 1 is a circuit diagram of an upgrade extension control circuit according to a first embodiment of the present invention. As shown in fig. 1, the upgrade extension control circuit of the present embodiment includes a selection module 100 and a switch module 200.
The selection module 100 is connected to the main control circuit 300, the external device 400 and the switch module 200, and is turned on according to a selection control signal output by the main control circuit 300. When the main control circuit 300 is upgraded, the external device 400 transmits corresponding upgrade data to the adaptor module 200 through the selection module 100; when the host circuit 300 is expanded, the host circuit 300 transmits a corresponding device connection signal to the external device 400 through the selection module 100. The adaptor module 200 is further connected to the main control circuit 300, and is configured to transmit the upgrade data to the main control circuit 300 through a corresponding interface.
Specifically, the selection module 100 is connected to the external device 400, wherein the selection module may include an external interface such as a USB external interface for data transmission. The selection module 100 is further connected to the switching module 200 and the main control circuit 300 respectively; the patching module 200 is connected with the main control circuit 300. When the main control circuit 300 is upgraded, the main control circuit 300 outputs a corresponding selection control signal, which may be, for example, a high level, and the selection module 100 receives the selection control signal and conducts the connection between the external device 400 and the adaptor module 200 through its internal circuit. The external device 400 is connected to the adaptor module 200 through the selection module 100 and then connected to the main control circuit 300 through the adaptor module 200, and the external device 400 and the main control circuit 300 perform corresponding data input and output, so that the external device 400 can perform program upgrade on the main control circuit 300 through the upgrade extension control circuit.
When the main control circuit 300 is expanded, the main control circuit 300 outputs a corresponding selection control signal, which may be, for example, a low level, and the selection module 100 receives the selection control signal and conducts the connection between the external device 400 and the main control circuit 300 through its internal circuit. The master control circuit 300 may send a corresponding device connection signal to the external device 400 through the selection module 100 and achieve a connection of a certain protocol, so that the master control circuit 300 may extend the external device 400 supporting a certain protocol, and may control other devices supporting the same protocol.
In one embodiment, the external device 400 is a computer when the main control circuit 300 is upgraded.
In one embodiment, when the main control circuit 300 is expanded, the external device 400 may be one of an MCU + RF module, a bluetooth module, a zigbee module, or other types of modules.
The upgrade extension control circuit provided in this embodiment realizes the upgrade of the main control circuit 300 and the extension of the external device 400 supporting the connection protocol through the selection module 100 and the transfer module 200, thereby solving the control problem of devices of other control types.
Second embodiment
FIG. 2 is a circuit diagram of an upgrade extension control circuit according to a second embodiment of the present invention. The upgrade extension control circuit shown in fig. 2 has substantially the same circuit connections as the upgrade extension control circuit shown in fig. 1, except that: the selection module 100 includes a selection chip U1, and the transit module 200 includes a transit chip U2.
The selection chip U1 includes a first control input terminal 101, a second control input terminal 102, an external device first interface terminal 103, an external device second interface terminal 104, a first upgrade terminal 105, a second upgrade terminal 106, a first output transmission terminal 107 and a first input transmission terminal 108, the first control input terminal 101 and the second control input terminal 102 of the selection chip U1 are both connected to the control output terminal 301 of the main control circuit 300, the external device first interface terminal 103 and the external device second interface terminal 104 of the selection chip U1 are both connected to an external device, and the first output transmission terminal 107 and the first input transmission terminal 108 of the selection chip U1 are respectively connected to the second output transmission terminal 302 and the second input transmission terminal 303 of the main control circuit 300 one by one. In addition, the selection chip U1 may further include a first ground terminal connected to the first power terminal of the first reference power VDD1 and to ground.
The switching chip U2 includes a first interface input terminal 201, a second interface input terminal 202, a third input transmission terminal 203, and a third output transmission terminal 204; the first interface input terminal 201 and the second interface input terminal 202 of the switching chip U2 are respectively connected to the second upgrade terminal 106 and the first upgrade terminal 105 of the selection module 100 one by one, and the third input transmission terminal 203 and the third output transmission terminal 204 of the switching chip U2 are respectively connected to the fourth input transmission terminal 304 and the fourth output transmission terminal 305 of the main control circuit 300 one by one. In addition, the pass chip U2 may further include a second power terminal connected to the second reference power VDD2 and a second ground terminal connected to ground.
In one embodiment, the first control input terminal 101 of the selection chip U1 is connected to the control output terminal 301 of the main control circuit 300 through a first resistor R1, and is grounded through a second resistor R2; the third input terminal 203 of the adaptor chip U2 is connected to the fourth input terminal 304 of the main control circuit 300 through a third resistor R3, and the third output terminal 204 of the adaptor chip U2 is connected to the fourth output terminal 305 of the main control circuit 300 through a fourth resistor R4.
In one embodiment, the selection module 100 may include an external interface 110, and the external device first interface terminal 103 and the external device second interface terminal 104 of the selection chip U1 are connected to the external device 400 through the external interface 110. The external interface 110 may include a USB external interface, etc.
In one embodiment, the adaptor module 200 may include a USB interface, a UART interface, an RS232 interface, or an RS485 interface, which are connected to the third input transmission terminal 203 and the third output transmission terminal 204 of the adaptor chip U2.
In one embodiment, the selection chip U1 may be, but is not limited to, model BCT 4223. The first control input terminal 101 of the selection chip U1 is pin IN1, the second control input terminal 102 is pin IN2, the first interface terminal 103 of the external device is pin COM1, the second interface terminal 104 of the external device is pin COM2, the first upgrade terminal 105 is pin NC1, the second upgrade terminal 106 is pin NC2, the first output transmission terminal 107 is pin NO1, the first input transmission terminal 108 is pin NO2, the first power terminal is pin VCC, and the first ground terminal is pin GND.
In one embodiment, the adapter chip U2 may be, but is not limited to, model CH 340E. The first interface input end 201 of the switching chip U2 is a D + pin, the second interface input end 202 is a D-pin, the third input transmission end 203 is an Rx pin, the third output transmission end 204 is a Tx pin, the second power terminal is a VCC pin, and the second ground terminal is a GND pin.
In one embodiment, the master control circuit 300 may include, but is not limited to, a chip with model Ci 1006.
Specifically, when the main control circuit 300 is upgraded, the control output terminal 301 of the main control circuit 300 outputs a corresponding selection control signal, which is recorded as a first control signal, the first control signal may be high level, for example, and the first control input terminal 101 and the second control input terminal 102 of the selection chip U1 both receive the selection control signal, the selection chip U1 respectively conducts the connection of the external device first interface terminal 103 and the first upgrade terminal 105 and the connection of the external device second interface terminal 104 and the second upgrade terminal 106, the external device 400 may be connected to the first upgrade port 105 through the first external device interface port 103 of the option chip U1, and then connected to the second interface input port 202 of the transit chip U2 connected to the first upgrade port 105 of the option chip U1, and the external device 400 may be connected to the second upgrade port 106 through the second external device interface port 104 of the option chip U1, and then connected to the first interface input port 201 of the transit chip U2 connected to the second upgrade port 106 of the option chip U1. And the third input transmission terminal 203 and the third output transmission terminal 204 of the pass chip U2 are respectively connected to the fourth input transmission terminal 304 and the fourth output transmission terminal 305 of the master control circuit 300 one by one. The external device 400 can be connected to the adaptor module 200 through the selection module 100 and then connected to the main control circuit 300 through the adaptor module 200, and the external device 400 and the main control circuit 300 can perform corresponding data input and output, so that the external device 400 can perform program upgrade on the main control circuit 300 through the upgrade extension control circuit.
When the master control circuit 300 is expanded, the control output terminal 301 of the master control circuit 300 outputs a corresponding selection control signal, which is denoted as a second control signal, for example, the second control signal may be low level, the first control input terminal 101 and the second control input terminal 102 of the selection chip U1 both receive the selection control signal, and the selection chip U1 correspondingly conducts the connection between the external device first interface terminal 103 and the first output transmission terminal 107 and the connection between the external device second interface terminal 104 and the first input transmission terminal 108. And the first output transmission terminal 107 and the first input transmission terminal 108 of the selection chip U1 are respectively connected to the second output transmission terminal 302 and the second input transmission terminal 303 of the main control circuit 300 one by one. The second output transmission terminal 302 and the second input transmission terminal 303 of the main control circuit 300 may send corresponding device connection signals to the first external device interface terminal 103 and the second external device interface terminal 104 of the selection chip U1 through the first output transmission terminal 107 and the first input transmission terminal 108 of the selection chip U1, respectively, and then send the signals to the external devices through interfaces such as USB, so that the main control circuit 300 and the external devices 400 may achieve connection of a certain protocol, and thus the main control circuit 300 may extend the external devices 400 supporting a certain protocol, and further may control other devices with the same protocol.
The upgrade extension control circuit provided in this embodiment realizes the upgrade of the main control circuit 300 and the extension of the external device 400 supporting the connection protocol through the selection module 100 and the transfer module 200, thereby solving the control problem of devices of other control types.
Third embodiment
FIG. 3 is a flowchart illustrating the operation of upgrading the expansion control circuit according to a third embodiment of the present invention. The control method is used in the upgrade extension circuit shown in fig. 1 or fig. 2, and as shown in fig. 3, the control method includes:
s1, judging whether the power-on time of the main control circuit reaches the preset time, if yes, executing a step S4, and if no, executing a step S2;
s2, judging whether the main control circuit receives the wake-up command, if yes, executing step S4, and if no, executing step S3;
s3, sending a first control signal, connecting the external equipment to the switching module through the selection module, and then connecting the external equipment to the main control circuit through the switching module, and upgrading the main control circuit;
the first control signal may be, for example, a high level.
Wherein, the selection module may include a selection chip, the transfer module may include a transfer chip, and the step of S3 may further include:
s31, a first control input end and a second control input end of the selection chip receive a first control signal, a first interface end of external equipment of the selection chip is communicated with a first upgrading end, a second interface end of the external equipment of the selection chip is communicated with a second upgrading end, the first upgrading end of the selection chip is connected with a second interface input end of the switching chip, and the second upgrading end of the selection chip is connected with the first interface input end of the switching chip;
and S4, sending out a second control signal, connecting the external equipment with the main control circuit through the selection module, and expanding the main control circuit.
The second control signal may be, for example, a low level.
Wherein, the selection module may include a selection chip, the transfer module may include a transfer chip, and the step of S4 may further include:
and S41, the first control input end and the second control input end of the selection chip receive the second control signal, the first interface end of the external device of the selection chip is conducted with the first output transmission end, the second interface end of the external device of the selection chip is conducted with the first input transmission end, the first upgrading end of the selection chip is connected with the second interface input end of the switching chip, and the second upgrading end of the selection chip is connected with the first interface input end of the switching chip.
The upgrade extension control circuit provided by this embodiment realizes the upgrade of the main control circuit and the extension of the external device supporting the connection protocol through the selection module and the switching module, thereby solving the control problem of devices of other control types.
Fourth embodiment
The present embodiment provides an electronic device, where the electronic device includes the upgrade extension control circuit according to any of the above embodiments, and specific embodiments of the upgrade extension control circuit may refer to corresponding drawings and corresponding descriptions in fig. 1 to fig. 3, which are not described herein again.
The electronic device provided by the embodiment realizes the upgrading of the main control circuit and the expansion of the external device supporting the connection protocol through the selection module and the switching module, thereby solving the control problem of other control types of devices.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (12)
1. An upgrade extension control circuit, characterized by comprising a selection module (100) and a transfer module (200);
the selection module (100) is respectively connected with the main control circuit (300), the external device (400) and the switching module (200), and correspondingly conducted according to a selection control signal output by the main control circuit (300), and when the main control circuit (300) is upgraded, the external device (400) transmits corresponding upgrading data to the switching module (200) through the selection module (100); when the master control circuit (300) is expanded, the master control circuit (300) transmits a corresponding device connection signal to the external device (400) through the selection module (100);
the switching module (200) is connected with the main control circuit (300) and is used for transmitting the upgrading data to the main control circuit (300) through a corresponding interface.
2. The upgrade extension control circuit according to claim 1, wherein the selection module (100) includes a selection chip (U1), the selection chip (U1) includes a first control input terminal (101), a second control input terminal (102), an external device first interface terminal (103), an external device second interface terminal (104), a first upgrade terminal (105), a second upgrade terminal (106), a first output transmission terminal (107), and a first input transmission terminal (108), the first control input terminal (101) and the second control input terminal (102) of the selection chip (U1) are connected to the control output terminal (301) of the main control circuit (300), the external device first terminal (103) and the external device second interface terminal (104) of the selection chip (U1) are connected to an external device (400), and the first output transmission terminal (107) and the first input transmission terminal (108) of the selection chip (U1) are respectively connected to the control output terminal (301) of the main control circuit (300) The second output transmission terminals (302) are connected with the second input transmission terminals (303) one by one;
the switching module (200) comprises a switching chip (U2), and the switching chip (U2) comprises a first interface input end (201), a second interface input end (202), a third input transmission end (203) and a third output transmission end (204); the first interface input end (201) and the second interface input end (202) of the switching chip (U2) are respectively connected with the second upgrading end (106) and the first upgrading end (105) of the selection module (100) one by one, and the third input transmission end (203) and the third output transmission end (204) of the switching chip (U2) are respectively connected with the fourth input transmission end (304) and the fourth output transmission end (305) of the main control circuit (300) one by one.
3. The upgrade extension control circuit according to claim 2, wherein the first control input (101) of the selection chip (U1) is connected to the control output (301) of the main control circuit (300) via a first resistor and to ground via a second resistor; the third input transmission terminal (203) of the switching chip (U2) is connected with the fourth input transmission terminal (304) of the main control circuit (300) through a third resistor, and the third output transmission terminal (204) of the switching chip (U2) is connected with the fourth output transmission terminal (305) of the main control circuit (300) through a fourth resistor.
4. The upgrade extension control circuit according to claim 2, wherein the selection chip (U1) is of type BCT 4223.
5. The upgrade extension control circuit according to claim 2, wherein the selection module (100) comprises an external interface (110), and the external device first interface terminal (103) and the external device second interface terminal (104) of the selection chip (U1) are connected to the external device (400) through the external interface (110).
6. The upgrade extension control circuit according to claim 1 or 2, wherein the external device (400) is a computer when the main control circuit (300) is upgraded.
7. The upgrade extension control circuit according to claim 2, wherein the adapter chip (U2) has a model number CH 340E.
8. The upgrade extension control circuit according to claim 2, wherein the adaptor module (200) comprises a USB interface, a UART interface, an RS232 interface, or an RS485 interface, which are connected to both the third input transmission terminal (203) and the third output transmission terminal (204) of the adaptor chip (U2).
9. The upgrade extension control circuit according to claim 1 or 2, wherein the external device (400) is one of a MCU + RF module, a bluetooth module, a zigbee module when the main control circuit (300) is extended.
10. An upgrade extension control method for an upgrade extension control circuit according to any one of claims 1 to 9, the upgrade extension control method comprising:
s1, judging whether the power-on time of the main control circuit reaches the preset time, if yes, executing a step S4, and if no, executing a step S2;
s2, judging whether the main control circuit receives the wake-up command, if yes, executing the step S4, and if no, executing the step S3;
s3, sending a first control signal, connecting an external device to a switching module through a selection module, and connecting the external device to the main control circuit through the switching module, wherein the main control circuit is upgraded;
and S4, sending a second control signal, wherein the external device is connected with the main control circuit through the selection module, and the main control circuit is expanded.
11. The upgrade extension control method according to claim 10, wherein the selection module includes a selection chip, the transit module includes a transit chip, and the step of S3 includes:
and S31, the first control input end and the second control input end of the selection chip receive the first control signal, the first interface end of the external device of the selection chip is conducted with the first upgrading end, the second interface end of the external device of the selection chip is conducted with the second upgrading end, the first upgrading end of the selection chip is connected with the second interface input end of the switching chip, and the second upgrading end of the selection chip is connected with the first interface input end of the switching chip.
12. An electronic device comprising the upgrade extension control circuit according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333655.5A CN111176672A (en) | 2018-11-09 | 2018-11-09 | Upgrading expansion control circuit, control method and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811333655.5A CN111176672A (en) | 2018-11-09 | 2018-11-09 | Upgrading expansion control circuit, control method and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111176672A true CN111176672A (en) | 2020-05-19 |
Family
ID=70655463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811333655.5A Pending CN111176672A (en) | 2018-11-09 | 2018-11-09 | Upgrading expansion control circuit, control method and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111176672A (en) |
-
2018
- 2018-11-09 CN CN201811333655.5A patent/CN111176672A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6738834B1 (en) | System for reconfiguring a peripheral device using configuration residing on the peripheral device by electronically simulating a physical disconnection and reconnection to a host device | |
| US8417864B2 (en) | Cascade-able serial bus device with clock and management and cascade methods using the same | |
| EP2587385B1 (en) | Usb key device and method for realizing intelligent card communication using usb interface | |
| CN102750252A (en) | Circuit capable of reusing universal serial bus (USB)/ universal asynchronous receiver/ transmitter (UART) interfaces and electronic device using same | |
| US20070226378A1 (en) | Portable receiver and memory for remotely controlled presentations | |
| US10127178B2 (en) | Coupling system for electronic device | |
| CN104090857A (en) | System and method for expanding peripheral interfaces of intelligent terminal | |
| CN101359303A (en) | On-line debugging microcontroller and apparatus and debug method of external device thereof | |
| CN104239097A (en) | Method and system for upgrading fitting by virtue of mobile terminal, and mobile terminal | |
| US8935451B2 (en) | Network card detecting circuit | |
| US20030005204A1 (en) | Electronic interface device | |
| CN102445981B (en) | Data transmission system and data transmission method | |
| CN113722259A (en) | RS-485 and RS-232 shared interface circuit | |
| CN111176672A (en) | Upgrading expansion control circuit, control method and electronic equipment | |
| US7170520B2 (en) | Display for sharing display data channel | |
| CN101131666B (en) | Contact smart card simulation card | |
| CN210627213U (en) | Wireless time-sharing RFID terminal of Internet of things | |
| US20170220512A1 (en) | Electronic device coupling system | |
| CN208985367U (en) | Control circuit and electronic equipment are expanded in upgrading | |
| CN114839897A (en) | Multi-interface, input and output configurable wiegand communication expansion board | |
| CN101222339A (en) | Wireless network card with card reading function | |
| CN209842609U (en) | Intelligent multimedia control system | |
| CN109410558B (en) | Intelligent compression chip for infrared codes | |
| CN101819713A (en) | Intelligent multi-media computer remote-control device | |
| US6457083B1 (en) | Communication on non-continuously sampled lines |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20211028 Address after: 518103 floors 1-3, building 28, Heyi community and Yibei science and Technology Park, Shajing street, Shenzhen, Guangdong Province; B, second floor, Building 29; C on the first floor of Building 8 Applicant after: Shenzhen zhuo'eryue Electronic Technology Co., Ltd Address before: 518001 Room 502, building w1-a, high tech Industrial Park, Yuehai street, Nanshan District, Shenzhen, Guangdong Applicant before: SHENZHEN AVATAR CONTROLS Co.,Ltd. |