CN219202330U - Convenient and efficient TTL changes USB circuit - Google Patents
Convenient and efficient TTL changes USB circuit Download PDFInfo
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- CN219202330U CN219202330U CN202320579959.XU CN202320579959U CN219202330U CN 219202330 U CN219202330 U CN 219202330U CN 202320579959 U CN202320579959 U CN 202320579959U CN 219202330 U CN219202330 U CN 219202330U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model discloses a convenient and efficient TTL-to-USB circuit in the technical field of program circuits, which comprises a 3.3V power supply, a data output interface, a power supply filter device, an electromagnetic interference suppression device, a signal stabilization device, a data input interface and a user interface, wherein the power supplied by the 3.3V power supply is connected with the power supply input end of U8 after passing through the power supply filter device and the electromagnetic interference suppression device, one end of the signal stabilization device is connected with the TXD end of U8, the data input interface is connected with a debugging interface of a user main chip, and the data output interface is connected with the user interface. Has the advantages of low cost, high efficiency, strong practicability and the like. The scheme has good electromagnetic interference and power supply filter devices, and can still enable the main chip to supply power normally when the power supply is not clean. The scheme is provided with a signal stabilizing device, and can ensure normal output of signals when the signals are unstable.
Description
Technical Field
The utility model relates to the technical field of program circuits, in particular to a convenient and efficient TTL-to-USB circuit.
Background
The current electronic products are more and more consumed, and most manufacturers for producing and developing the electronic products need to use a debugging function. At present, most of electronic products on the market need to be externally connected with debugging equipment to a computer during debugging, the efficiency is low, and the cost of the debugging equipment is increased. The method is tedious, complicated and high in cost, and debugging work cannot be completed under some emergency conditions, so that defects are caused in the product. Therefore, we propose a convenient and efficient TTL-to-USB circuit.
Disclosure of Invention
The utility model aims to provide a convenient and efficient TTL-to-USB circuit so as to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a convenient high-efficient TTL changes USB circuit, includes 3.3V power, data output interface, power filter device, suppresses electromagnetic interference device, signal stabilization device, data input interface, user interface, the power input of U8 is connected after the power filter device and the electromagnetic interference device that suppresses to the power that 3.3V power supplied, signal stabilization device one end termination suppresses electromagnetic interference device one end termination U8's TXD end, data input interface connects the debugging interface of user's main chip, data output interface connects user interface.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the scheme, only one android data line is needed to connect the circuit with the computer, so that normal debugging can be realized. The method has the advantages of low cost, high efficiency, strong practicability and the like;
2. the scheme has good electromagnetic interference and power supply filter devices, and can still ensure that the main chip supplies power normally when the power supply is not clean;
3. the scheme is provided with a signal stabilizing device, and can ensure normal output of signals when the signals are unstable.
Drawings
FIG. 1 is a schematic diagram of the circuit principle of the present utility model;
fig. 2 is a schematic diagram of a circuit PCB according to the present utility model.
In the figure: 1. a data output interface; 2. a power supply filter device; 3. an electromagnetic interference suppression device; 4. a signal stabilizing device; 5. a data input interface; 6. a user interface.
Detailed Description
Example 1
Referring to fig. 1-2, the present utility model provides a technical solution:
a convenient and efficient TTL-to-USB circuit comprises a 3.3V power supply, a data output interface 1, a power supply filter device 2, an electromagnetic interference suppression device 3, a signal stabilization device 4, a data input interface 5 and a user interface 6. The power supplied by the 3.3V power supply is connected with the power input end of the U8 after passing through the power filter device 2 and the electromagnetic interference suppression device 3. The signal stabilizing device 4 is connected with one end of the electromagnetic interference suppression device 3 and one end of the signal stabilizing device is connected with the TXD end of the U8. The data input interface 5 is connected with the debugging interface of the user main chip. The data output interface 1 is connected to the user interface 6. The user can debug normally only by connecting the circuit with the computer through one android data line.
According to the scheme, only one android data line is needed to connect the circuit with the computer, so that normal debugging can be realized. Has the advantages of low cost, high efficiency, strong practicability and the like.
The scheme has good electromagnetic interference and power supply filter devices, and can still enable the main chip to supply power normally when the power supply is not clean.
The scheme is provided with a signal stabilizing device, and can ensure normal output of signals when the signals are unstable.
Claims (1)
1. A convenient and efficient TTL-to-USB circuit is characterized in that: the anti-electromagnetic interference device comprises a 3.3V power supply, a data output interface (1), a power supply filter device (2), an electromagnetic interference suppression device (3), a signal stabilizing device (4), a data input interface (5) and a user interface (6), wherein the power supplied by the 3.3V power supply is connected with the power input end of U8 after passing through the power supply filter device (2) and the electromagnetic interference suppression device (3), one end of the signal stabilizing device (4) is connected with the TXD end of the electromagnetic interference suppression device (3), one end of the signal stabilizing device (3) is connected with the TXD end of U8, the data input interface (5) is connected with a debugging interface of a user main chip, and the data output interface (1) is connected with the user interface (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320579959.XU CN219202330U (en) | 2023-03-22 | 2023-03-22 | Convenient and efficient TTL changes USB circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320579959.XU CN219202330U (en) | 2023-03-22 | 2023-03-22 | Convenient and efficient TTL changes USB circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219202330U true CN219202330U (en) | 2023-06-16 |
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ID=86720364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320579959.XU Active CN219202330U (en) | 2023-03-22 | 2023-03-22 | Convenient and efficient TTL changes USB circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219202330U (en) |
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2023
- 2023-03-22 CN CN202320579959.XU patent/CN219202330U/en active Active
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