CN214795911U - Data type control circuit and circuit board - Google Patents
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- CN214795911U CN214795911U CN202120688442.5U CN202120688442U CN214795911U CN 214795911 U CN214795911 U CN 214795911U CN 202120688442 U CN202120688442 U CN 202120688442U CN 214795911 U CN214795911 U CN 214795911U
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Abstract
The embodiment of the utility model provides a relate to communication technology field, disclose a data type control circuit and circuit board. The data type control circuit includes: the device comprises a first data interface, a second data interface, a switch unit, a first control unit and a conversion unit; the first end of the switch unit is connected to the first data interface, the second end of the switch unit is connected to the second data interface, the third end of the switch unit is connected to the first end of the conversion unit, the second end of the conversion unit is connected to the fourth end of the switch unit, and the output end of the first control unit is connected to the control end of the switch unit. The utility model discloses a set up the data type control circuit who is used for converting data type in a data transmission line's one end for can utilize a data transmission line to transmit polytype data, need not according to the type of required transmission data, change the data transmission line that is exclusively used in and transmit certain type data through the mode of plug frequently, when having improved research and development efficiency, promoted user experience.
Description
Technical Field
The embodiment of the utility model provides a relate to communication technology field, in particular to data type control circuit and circuit board.
Background
During research, development and debugging, researchers often use a Universal Serial Bus (USB) line and a plurality of Serial interface lines with different Serial port voltages for data transmission, and the USB line and the Serial interface line are mainly different in that data transmitted by the USB line and the Serial interface line are based on different data protocols. Taking the example of connecting a computer and a mobile phone and debugging the mobile phone by the computer as an example, when the computer and the mobile phone are connected through a serial interface line, the computer can capture the log information of a mobile phone mainboard for analyzing the problems of the mobile phone; when the computer and the mobile phone are connected through the USB cable, data can be transmitted between the computer and the mobile phone, for example, files, music, photos and the like can be mutually transmitted, but the log information of a mainboard of the mobile phone cannot be captured by the computer.
At present, when the type of data to be transmitted changes, for example, the type of data to be transmitted changes from data transmission between a computer and a mobile phone, and changes into data transmission requiring the computer to capture log information of a mobile phone motherboard, a USB cable originally connected between the computer and the mobile phone needs to be pulled out, and then the data transmission type needs to be frequently changed during research, development and modulation.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide a data type control circuit and circuit board no longer need frequently change the transmission line between computer and cell-phone through the mode of plug transmission line, has improved research and development efficiency, has promoted user experience.
In order to solve the above technical problem, an embodiment of the present invention provides a data type control circuit, including: the device comprises a first data interface, a second data interface, a switch unit, a first control unit and a conversion unit; the first end of the switch unit is connected to the first data interface, the second end of the switch unit is connected to the second data interface, the third end of the switch unit is connected to the first end of the conversion unit, the second end of the conversion unit is connected to the fourth end of the switch unit, and the output end of the first control unit is connected to the control end of the switch unit; the first data interface is used for connecting with first equipment; the second data interface is used for being connected with second equipment through a data transmission line; the first control unit is used for outputting a first level or a second level to the switch unit; the switch unit is used for directly outputting the first type data input through the first end of the switch unit to the second data interface through the second end of the switch unit if the first level is received after the first type data input through the first end of the switch unit is received; if the second level is received, outputting the first type data input through the first end of the switch unit through the third end of the switch unit, and outputting the second type data input through the fourth end of the switch unit to the second data interface through the second end of the switch unit; wherein the first level is not equal to the second level; the conversion unit is used for converting the first type data input from the first end of the conversion unit into the second type data and then outputting the second type data from the second end of the conversion unit.
The embodiment of the utility model also provides a circuit board, including the data type control circuit in the above-mentioned embodiment.
Compared with the prior art, the embodiment of the utility model provides a switch unit is after receiving the first type data of follow switch unit's first end input, if receive the first level of first control unit output, then will follow the first type data of switch unit's first end input, directly export from the second data interface; if the second level output by the first control unit is received, the first type data input from the first end of the switch unit is output to the conversion unit through the third end of the switch unit, after the first type data are converted into the second type data by the conversion unit, the second type data are output to the switch unit through the second end of the conversion unit, and then the second type data are output to the second data interface through the second end of the switch unit by the switch unit. Compared with the prior art, the utility model discloses a set up the data type control circuit who is used for converting data type in the one end of a data transmission line for can utilize a data transmission line output polytype data, need not according to the type of required transmission data, frequently change the data transmission line who is exclusively used in the data of transmission a certain type through the mode of plug, when having improved research and development efficiency, promoted user experience.
In addition, the switch unit is used for directly outputting the first type data input through the second end of the switch unit to the first data interface through the first end of the switch unit if the first level is received after the first type data input through the second end of the switch unit is received; the switch unit is further used for outputting the second type data input through the second end of the switch unit through the fourth end of the switch unit and outputting the first type data input through the third end of the switch unit to the first data interface through the first end of the switch unit if a second level is received after the second type data input through the second end of the switch unit is received; the conversion unit is used for converting the second type data input from the second end of the conversion unit into the first type data and then outputting the first type data from the first end of the conversion unit.
In addition, the switching unit includes a first switching module and a second switching module; the first end of the first switch module is used as the first end of the switch unit, the second end of the first switch module is connected to the first end of the second switch module, the second end of the second switch module is used as the second end of the switch unit, the third end of the first switch module is used as the third end of the switch unit, the third end of the second switch module is used as the fourth end of the switch unit, the control end of the first switch module or the control end of the second switch module is used as the control end of the switch unit, and the control end of the second switch module is connected to the control end of the first switch module.
In addition, the first type data is USB data, and the second type data is serial data; or the first type data is serial data, and the second type data is USB data.
In addition, when the first type data is USB data and the second type data is serial data, the data type control circuit further includes a second control unit, and at least includes a first voltage unit and a second voltage unit, and the first voltage unit and the second voltage unit are respectively connected to the control end of the conversion unit through the second control unit; the second control unit is used for outputting control voltage to the control end of the conversion unit according to the voltage output by the first voltage unit or the second voltage unit; the conversion unit is used for determining the serial port voltage of the second type data according to the control voltage and outputting the second type data; the first voltage unit and the second voltage unit output different voltages. In this embodiment, the serial port voltage of the second type data output by the conversion unit may be controlled by the second control unit.
In addition, the first voltage unit and the second voltage unit are respectively used for outputting voltages of 1.8V and 3V; when the second control unit outputs control voltage to the conversion unit according to the voltage output by the first voltage unit, the serial port voltage of the second type data is 1.8V; when the second control unit outputs the control voltage to the conversion unit according to the voltage output by the second voltage unit, the serial port voltage of the second type data is 3V.
In addition, the second control unit is a jumper cap. In this embodiment, the jumper cap is a manual switch, and a circuit can be changed by manually controlling a jumper pin on the jumper cap to communicate the target voltage unit with the control end of the conversion unit, so that the target voltage unit outputs the target voltage unit to the conversion unit.
In addition, the data type control circuit further includes: the first control unit is a jumper cap; the first output unit and the second output unit are respectively connected to the control end of the switch unit through the first control unit; the first output unit is used for outputting a first level, and the second output unit is used for outputting a second level. In this embodiment, the first control unit is specifically a jumper cap, the jumper cap is a manual switch, and the jumper pin changing circuit on the jumper cap can be manually controlled to communicate the control ends of the first output unit and the switch unit that output the first level, or communicate the control ends of the second output unit and the switch unit that output the second level.
In addition, the first data interface is a type A interface, and the second data interface is a type A interface, a micro USB interface or a type C interface. In this embodiment, the first data interface is generally a type a interface for connecting a USB of a computer, and the second data interface may be configured with different interface types as needed.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.
FIG. 1 is a block schematic diagram of data type control circuitry in one embodiment;
FIG. 2 is a block schematic diagram of a data type control circuit in which a switch unit includes a first switch module and a second switch module in one embodiment;
FIG. 3 is a block schematic diagram of a data type control circuit including a first voltage unit and a second voltage unit in one embodiment;
FIG. 4 is a block schematic diagram of a data type control circuit including a first output unit and a second output unit in one embodiment;
FIG. 5 is a block schematic diagram of data type control circuitry in one embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in the embodiments of the present invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments. The following embodiments are divided for convenience of description, and should not constitute any limitation to the specific implementation manner of the present invention, and the embodiments may be mutually incorporated and referred to without contradiction.
An embodiment of the utility model relates to a data type control circuit, include: the device comprises a first data interface 1, a second data interface 2, a switch unit 3, a first control unit 4 and a conversion unit 5, wherein the first data interface 1 is used for being connected with first equipment, the second data interface 2 is used for being connected with second equipment through a data transmission line, one of the first data interface 1 and the second data interface 2 is used as an input interface, the other one is used as an output interface, the first equipment is a computer for example, the second equipment is a mobile phone for example, and a data type control circuit is used for directly outputting first type data input from the input interface from the output interface or converting the first type data into second type data and then outputting the second type data from the output interface.
Fig. 1 is a diagram of a data type control circuit in the present embodiment.
A first terminal 301 of the switch unit 3 is connected to the first data interface 1, a second terminal 302 of the switch unit 3 is connected to the second data interface 2, a third terminal 303 of the switch unit 3 is connected to a first terminal 501 of the converting unit 5, a second terminal 502 of the converting unit 5 is connected to a fourth terminal 304 of the switch unit 3, and an output terminal 400 of the first control unit 4 is connected to a control terminal 300 of the switch unit 3.
The switch unit 3 is configured to, after receiving the first type data input through the first end 301 of the switch unit 3, directly output the first type data input through the first end 301 of the switch unit 3 to the second data interface 2 through the second end 302 of the switch unit 3 if receiving the first level; if the second level is received, the first type data input through the first terminal 301 of the switch unit 3 is output through the third terminal 303 of the switch unit 3, and the second type data input through the fourth terminal 304 of the switch unit 3 is output to the second data interface 2 through the second terminal 302 of the switch unit 3; wherein the first level is not equal to the second level; the conversion unit 5 is configured to output the second type data from the second end 502 of the conversion unit 5 after converting the first type data input from the first end 501 of the conversion unit 5 into the second type data.
In this embodiment, after receiving the first type of data input from the first end of the switch unit, if receiving the first level output by the first control unit, the switch unit directly outputs the first type of data input from the first end of the switch unit from the second data interface; if the second level output by the first control unit is received, the first type data input from the first end of the switch unit is output to the conversion unit through the third end of the switch unit, after the first type data are converted into the second type data by the conversion unit, the second type data are output to the switch unit through the second end of the conversion unit, and then the second type data are output to the second data interface through the second end of the switch unit by the switch unit. Compared with the prior art, the utility model discloses a set up the data type control circuit who is used for converting data type in the one end of a data transmission line for can utilize a data transmission line output polytype data, need not according to the type of required transmission data, frequently change the data transmission line who is exclusively used in the data of transmission a certain type through the mode of plug, when having improved research and development efficiency, promoted user experience.
Specifically, as described with reference to fig. 1, after the switching unit 3 receives the first type data input from the first end 301 of the switching unit 3, if the switching unit 3 receives the first level output by the first control unit 4 through the control end 300 of the switching unit 3, the first type data input through the first end 301 of the switching unit 3 is output through the second end 302 of the switching unit 3, and at this time, the second data interface 2 outputs the first type data.
After the switching unit 3 receives the first type data input from the first end 301 of the switching unit 3, if the switching unit 3 receives the second level output by the first control unit 4 through the control end 300 of the switching unit 3, the first type data input through the first end 301 of the switching unit 3 is output to the converting unit 5 through the third end 303 of the switching unit 3, after the converting unit 5 converts the first type data into the second type data, the second type data is output to the switching unit 3 through the second end 502 of the converting unit 5, the second type data output by the converting unit 5 is output through the second end 302 of the switching unit 3 by the switching unit 3, and at this time, the second data interface 2 outputs the second type data.
In an embodiment, a specific implementation form of the switch unit 3 is provided, please refer to fig. 2, the switch unit 3 includes a first switch module 31 and a second switch module 32.
The first terminal 311 of the first switch module 31 is used as the first terminal 301 of the switch unit 3, the second terminal 312 of the first switch module 31 is connected to the first terminal 321 of the second switch module 32, the second terminal 322 of the second switch module 32 is used as the second terminal 302 of the switch unit 3, the third terminal 313 of the first switch module 31 is used as the third terminal 303 of the switch unit 3, the third terminal 323 of the second switch module 32 is used as the fourth terminal 304 of the switch unit 3, the control terminal 310 of the first switch module 31 or the control terminal 320 of the second switch module 32 is used as the control terminal 300 of the switch unit 3, and the control terminal 320 of the second switch module 32 is connected to the control terminal 310 of the first switch module 31.
In an embodiment, the first type data is USB data, and the second type data is serial data, at this time, the conversion unit 5 may be a one-way conversion chip that can only convert USB data into serial data, or may be a two-way conversion chip that can convert USB data into serial data, or may convert serial data into USB data; or, the first type data is serial data, and the second type data is USB data, at this time, the conversion unit 5 may be a one-way conversion chip that can only convert serial data into USB data, or may be a two-way conversion chip that can convert USB data into serial data, or vice versa.
In one embodiment, the researcher needs to determine the serial port voltage of the serial port data according to the voltage or the voltage range of the serial port data that can be received by both the first device and the second device that are to transmit the serial port data. When the first type of data is USB data and the second type of data is serial data, this embodiment provides a data type control circuit capable of outputting serial data based on different serial voltages, on the basis of the embodiment corresponding to fig. 1, referring to fig. 3, the data type control circuit further includes a second control unit 6 and at least includes a first voltage unit 7 and a second voltage unit 8, the first voltage unit 7 and the second voltage unit 8 are respectively connected to a control terminal 500 of the conversion unit 5 through the second control unit 6, specifically, the first voltage unit 7 and the second voltage unit 8 may be connected to one port of the second control unit 6 or respectively connected to two ports of the second control unit 6, as illustrated in fig. 3 that the first voltage unit 7 and the second voltage unit 8 are respectively connected to two ports of the second control unit 6, the first voltage unit 7 and the second voltage unit 8 may be specifically low dropout regulators, and the voltages output by the first voltage unit 7 and the second voltage unit 8 are different.
The second control unit 6 is configured to output a control voltage to the control terminal 500 of the conversion unit 5 according to the voltage output by the first voltage unit 7 or the second voltage unit 8, and the conversion unit 5 is configured to determine a serial port voltage of the second type data according to the control voltage and output the second type data.
One example of the operation of the data type control circuit is as follows.
After the switch unit 3 receives the USB data input from the first end 301 of the switch unit 3, if the switch unit 3 receives the second level output by the first control unit 4 through the control end 300 of the switch unit 3, the USB data input through the first end 301 of the switch unit 3 is output to the conversion unit 5 through the third end 303 of the switch unit 3, when the conversion unit 5 converts the data type, the serial port voltage of the converted serial port data is determined according to the received control voltage output by the second control unit 6, and then the serial port data based on the certain serial port voltage is output to the switch unit 3, and the serial port data based on the certain serial port voltage output by the conversion unit 5 is output to the second data interface 2 through the second end 302 of the switch unit 3 by the switch unit 3.
In this embodiment, a data type control circuit that can convert input USB data into serial data based on different serial voltages and output is provided.
In one embodiment, on the basis of the embodiment corresponding to fig. 3, the first voltage unit 7 and the second voltage unit 8 are used for outputting voltages of 1.8V and 3V, respectively. When the second control unit 6 outputs the control voltage to the conversion unit 5 according to the voltage output by the first voltage unit 7, the serial port voltage of the serial port data output by the conversion unit 5 is 1.8V; when the second control unit 6 outputs the control voltage to the conversion unit 5 according to the voltage output by the second voltage unit 8, the serial port voltage of the serial port data output by the conversion unit 5 is 3V.
In an embodiment, on the basis of the embodiment corresponding to fig. 3, the second control unit 6 may be a jumper cap, the jumper cap is a manual switch, and a circuit may be changed by manually controlling a jumper pin on the jumper cap to connect the target voltage unit and the control end of the conversion unit, so that the target voltage unit directly outputs a voltage to the control end of the conversion unit to control the serial port voltage of the output serial port data.
In an embodiment, on the basis of any one of the corresponding embodiments of fig. 1 to 3, the data type control circuit further includes: the first output unit 9 and the second output unit 10, and the first control unit 4 are jumper caps, which are described with reference to fig. 4 by taking the example based on fig. 1 as an example.
The first output unit 9 and the second output unit 10 are respectively connected to the control terminal 300 of the switch unit 3 through the first control unit 4, specifically, the first output unit 9 and the second output unit 10 may be connected to one port of the first control unit 4, or may be respectively connected to two ports of the first control unit 4, as exemplified in fig. 4 that the first output unit 9 and the second output unit 10 are respectively connected to two ports of the first control unit 4, the first output unit 9 is used for outputting a first level, and the second output unit 10 is used for outputting a second level.
In this embodiment, the first control unit is specifically a jumper cap, the jumper cap is a manual switch, and the jumper pin changing circuit on the jumper cap can be manually controlled to communicate the control ends of the first output unit and the switch unit that output the first level, or communicate the control ends of the second output unit and the switch unit that output the second level.
In another embodiment, the difference from the embodiment corresponding to fig. 4 is that the data type control circuit may include only one output unit for outputting the voltage as a high level. One input end of the two input ends of the first control unit 4 is connected with the output unit, the other input end of the two input ends of the first control unit 4 is connected with the ground wire, and when the jumper cap is artificially controlled to connect the control end 300 of the switch unit 3 with the output unit, the switch unit 3 receives a high level; when the jumper cap is manually controlled to connect the control terminal 300 of the switching unit 3 with the ground, the switching unit 3 receives a low level, and the high level and the low level are respectively used as a first level and a second level at this time.
In one embodiment, the first data interface 1 may be a type a interface, and the second data interface 2 may be set as a type a interface, a micro USB interface, or a type C interface as required.
An embodiment of the present invention relates to a data type control circuit, and on the basis of the corresponding embodiment of fig. 1, the switch unit 3 is further configured to output the first type data input through the second end 302 of the switch unit 3 through the first end 301 of the switch unit 3 after receiving the first level output by the first control unit 4; after receiving the second level output by the first control unit 4, the second type data input through the second terminal 302 of the switching unit 3 is output through the fourth terminal 304 of the switching unit 3, and the first type data input through the third terminal 303 of the switching unit 3 is output through the first terminal 301 of the switching unit 3.
In this embodiment, when the second data interface is used as the input port to receive the first type data or the second type data, after the first control unit outputs the first level, the switch unit directly outputs the first type data from the first data interface through the first end of the switch unit connected to the first data interface; after first the control unit output second level, the switch unit can be to the switching unit output second type data, again with the first type data of received switching unit output from first data interface output, the utility model discloses can be in different states through exporting different levels by the control unit to control the switch unit for finally follow first type data of first data interface output.
An embodiment of the present invention relates to a data type control circuit, on the basis of the embodiment corresponding to fig. 1, the switch unit 3 is specifically the implementation form in the embodiment corresponding to fig. 2, the data type control circuit further includes the second control module 6, the first voltage unit 7 and the second voltage unit 8 in the embodiment corresponding to fig. 3, and the first output unit 9 and the second output unit 10 in the embodiment corresponding to fig. 4, and the data type control circuit in this embodiment specifically refers to fig. 5.
In addition, the first type data is USB data, the second type data is serial data, the conversion unit 5 is a bidirectional conversion chip that can convert the USB data into the serial data and also can convert the serial data into the USB data, the first control unit 4 and the second control unit 6 are both jumper caps, the first voltage unit 7 and the second voltage unit 8 are respectively used for outputting voltages of 1.8V and 3V, and when the target voltage unit is the first voltage unit 7, the serial voltage of the second type data is 1.8V; when the target voltage unit is the second voltage unit 8, the serial port voltage of the second type data is 3V, the first level output by the first output unit 9 is 1.8V, the second output unit is grounded and outputs the second voltage of 0V, the first data interface 1 is a type a interface, and the second data interface 2 is a type a interface, a micro USB interface or a type C interface.
An embodiment of the present invention relates to a circuit board, including the data type control circuit in any of the above embodiments.
The steps of the above methods are divided for clarity, and the implementation may be combined into one step or split some steps, and the steps are divided into multiple steps, so long as the same logical relationship is included, which are all within the protection scope of the present patent; it is within the scope of the patent to add insignificant modifications to the algorithms or processes or to introduce insignificant design changes to the core design without changing the algorithms or processes.
It will be understood by those skilled in the art that the foregoing embodiments are specific examples for carrying out the invention, and that various changes in form and detail may be made therein without departing from the spirit and scope of the invention in practice.
Claims (10)
1. A data type control circuit, comprising: the device comprises a first data interface, a second data interface, a switch unit, a first control unit and a conversion unit;
a first end of the switch unit is connected to the first data interface, a second end of the switch unit is connected to the second data interface, a third end of the switch unit is connected to the first end of the conversion unit, a second end of the conversion unit is connected to the fourth end of the switch unit, and an output end of the first control unit is connected to a control end of the switch unit;
the first data interface is used for being connected with first equipment;
the second data interface is used for being connected with second equipment through a data transmission line;
the first control unit is used for outputting a first level or a second level to the switch unit;
the switch unit is used for directly outputting the first type data input through the first end of the switch unit to the second data interface through the second end of the switch unit if the first level is received after the first type data input through the first end of the switch unit is received; if the second level is received, outputting the first type data input through the first end of the switch unit through the third end of the switch unit, and outputting the second type data input through the fourth end of the switch unit to the second data interface through the second end of the switch unit; wherein the first level is not equal to the second level;
the conversion unit is used for converting the first type data input from the first end of the conversion unit into the second type data and then outputting the second type data from the second end of the conversion unit.
2. The data type control circuit of claim 1,
the switch unit is used for directly outputting the first type data input through the second end of the switch unit to the first data interface through the first end of the switch unit if the first level is received after the first type data input through the second end of the switch unit is received;
the switch unit is further configured to, after receiving the second type data input through the second terminal of the switch unit, output the second type data input through the second terminal of the switch unit through the fourth terminal of the switch unit if the second level is received, and output the first type data input through the third terminal of the switch unit to the first data interface through the first terminal of the switch unit;
the conversion unit is used for converting the second type data input from the second end of the conversion unit into the first type data and then outputting the first type data from the first end of the conversion unit.
3. The data type control circuit according to claim 1 or 2, wherein the switching unit includes a first switching module and a second switching module;
the first end of the first switch module is used as the first end of the switch unit, the second end of the first switch module is connected to the first end of the second switch module, the second end of the second switch module is used as the second end of the switch unit, the third end of the first switch module is used as the third end of the switch unit, the third end of the second switch module is used as the fourth end of the switch unit, the control end of the first switch module or the control end of the second switch module is used as the control end of the switch unit, and the control end of the second switch module is connected to the control end of the first switch module.
4. The data type control circuit according to claim 3, wherein the first type data is USB data, and the second type data is serial data; or, the first type data is serial data, and the second type data is USB data.
5. The data type control circuit according to claim 4, wherein when the first type data is USB data and the second type data is serial data, the data type control circuit further comprises a second control unit, and at least comprises a first voltage unit and a second voltage unit, and the first voltage unit and the second voltage unit are respectively connected to the control end of the conversion unit through the second control unit;
the second control unit is used for outputting a control voltage to the control end of the conversion unit according to the voltage output by the first voltage unit or the second voltage unit;
the conversion unit is used for determining the serial port voltage of the second type data according to the control voltage and outputting the second type data;
wherein the first voltage unit and the second voltage unit output different voltages.
6. The data type control circuit of claim 5,
the first voltage unit and the second voltage unit are respectively used for outputting voltages of 1.8V and 3V;
when the second control unit outputs the control voltage to the conversion unit according to the voltage output by the first voltage unit, the serial port voltage of the second type data output by the conversion unit is 1.8V;
when the second control unit outputs the control voltage to the conversion unit according to the voltage output by the second voltage unit, the serial port voltage of the second type data output by the conversion unit is 3V.
7. The data type control circuit of claim 6, wherein the second control unit is a jumper cap.
8. The data type control circuit of claim 7, further comprising: the first control unit is a jumper cap;
the first output unit and the second output unit are respectively connected to the control end of the switch unit through the first control unit;
the first output unit is used for outputting the first level, and the second output unit is used for outputting the second level.
9. The data type control circuit of claim 8, wherein the first data interface is a type a interface, and the second data interface is the type a interface, a micro USB interface, or a type C interface.
10. A circuit board comprising a data type control circuit as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120688442.5U CN214795911U (en) | 2021-04-02 | 2021-04-02 | Data type control circuit and circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120688442.5U CN214795911U (en) | 2021-04-02 | 2021-04-02 | Data type control circuit and circuit board |
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| CN214795911U true CN214795911U (en) | 2021-11-19 |
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| CN202120688442.5U Active CN214795911U (en) | 2021-04-02 | 2021-04-02 | Data type control circuit and circuit board |
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2021
- 2021-04-02 CN CN202120688442.5U patent/CN214795911U/en active Active
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