CN219958091U - Input and output unified port of single-chip microcomputer - Google Patents
Input and output unified port of single-chip microcomputer Download PDFInfo
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- CN219958091U CN219958091U CN202320332493.3U CN202320332493U CN219958091U CN 219958091 U CN219958091 U CN 219958091U CN 202320332493 U CN202320332493 U CN 202320332493U CN 219958091 U CN219958091 U CN 219958091U
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- 238000005070 sampling Methods 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 239000003990 capacitor Substances 0.000 claims description 32
- 238000000034 method Methods 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
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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 an input and output unified port of a single-chip microcomputer, which relates to the field of single-chip microcomputers, and a power supply module for supplying power to the single-chip microcomputer module; the singlechip module is used for interacting with external information; the single-chip microcomputer input/output unified port further comprises: the input/output port module is used as an input/output port for information transmission; the power supply module is connected with the singlechip module, and the singlechip module is connected with the input/output port module; compared with the prior art, the utility model has the beneficial effects that: the input/output port module of the utility model performs unified processing, the input/output is divided by time control, low potential is output during the time period A, high level is output during the time period B, and the input/output is integrated as input processing of signal sampling during the time period B, so that the port is saved.
Description
Technical Field
The utility model relates to the field of single-chip computers, in particular to a single-chip microcomputer input/output unified port.
Background
The single chip microcomputer is an integrated circuit chip, is a small and perfect microcomputer system, and is widely applied in the field of industrial control.
The conventional ports of the single chip microcomputer are usually used as input or output only or the input and output share one port. Too many ports are used and improvements are needed.
Disclosure of Invention
The utility model aims to provide a single chip microcomputer input/output unified port 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:
a single chip microcomputer input/output unified port includes:
the power supply module is used for supplying power to the singlechip module;
the singlechip module is used for interacting with external information;
the input/output port module is used as an input/output port for information transmission;
the power supply module is connected with the singlechip module, and the singlechip module is connected with the input/output port module.
As still further aspects of the utility model: the power supply module comprises a capacitor C12, a capacitor C13 and a 5V power supply, wherein the 5V power supply is connected with one end of the capacitor C12, one end of the capacitor C13 and the singlechip module, the other end of the capacitor C12 is grounded, and the other end of the capacitor C13 is grounded.
As still further aspects of the utility model: the singlechip module comprises a singlechip U3, a VDD type power port of the singlechip U3 is connected with the power supply module, and an ADC type signal port of the singlechip U3 is connected with the input/output port module.
As still further aspects of the utility model: the input/output port module comprises a plurality of input/output port circuits, and the input/output port circuits are connected with the singlechip module and sampling signals.
As still further aspects of the utility model: the input/output port circuit comprises a resistor R6, a resistor R7 and a capacitor VC1, wherein one end of the resistor R6 is connected with one end of the resistor R7, the singlechip module and the sampling signal, the other end of the resistor R6 is grounded, the other end of the resistor R7 is connected with one end of the capacitor VC1, and the other end of the capacitor VC1 is grounded.
Compared with the prior art, the utility model has the beneficial effects that: the input/output port module of the utility model performs unified processing, the input/output is divided by time control, low potential is output during the time period A, high level is output during the time period B, and the input/output is integrated as input processing of signal sampling during the time period B, so that the port is saved.
Drawings
Fig. 1 is a circuit diagram of a unified input/output port of a single-chip microcomputer.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.
Referring to fig. 1, a unified input/output port of a single-chip microcomputer includes:
the power supply module is used for supplying power to the singlechip module;
the singlechip module is used for interacting with external information;
the input/output port module is used as an input/output port for information transmission;
the power supply module is connected with the singlechip module, and the singlechip module is connected with the input/output port module.
In this embodiment: referring to fig. 1, the power supply module includes a capacitor C12, a capacitor C13, and a 5V power supply, wherein the 5V power supply is connected to one end of the capacitor C12, one end of the capacitor C13, and the single chip microcomputer module, and the other end of the capacitor C12 is grounded, and the other end of the capacitor C13 is grounded.
The 5V voltage is output to the singlechip module through the capacitor C12 and the capacitor C13, and the filtering treatment of the capacitor C12 and the capacitor C13 ensures the voltage to be stable.
In this embodiment: referring to fig. 1, the single-chip microcomputer module includes a single-chip microcomputer U3, a VDD-class power port of the single-chip microcomputer U3 is connected to the power supply module, and an ADC-class signal port of the single-chip microcomputer U3 is connected to the input/output port module.
Pin 31 in fig. 1 is a VDD class pin. The U3 model of the singlechip is not limited, and the singlechip can use the port setting mode of the utility model.
In this embodiment: referring to fig. 1, the input/output port module includes a plurality of input/output port circuits, and the input/output port circuits are connected to the single-chip microcomputer module and sample signals.
In this embodiment: referring to fig. 1, the input/output port circuit includes a resistor R6, a resistor R7, and a capacitor VC1, wherein one end of the resistor R6 is connected to one end of the resistor R7, the singlechip module, and a sampling signal, the other end of the resistor R6 is grounded, the other end of the resistor R7 is connected to one end of the capacitor VC1, and the other end of the capacitor VC1 is grounded.
When each port of the singlechip U2 outputs a low level, the capacitor VC1 discharges the loop, when the singlechip U2 outputs a high level, the loop is charged, and the port is used as a signal sample when the peak value of the charge is reached, so that the purpose of completing the self-sending of the charging and discharging of the loop and the sampling of the charging and discharging pulse signal is achieved through one port, the frequency of the charging and discharging pulse of the loop is obtained, and particularly, 5 input and output port circuits are provided in FIG. 1, namely, the frequency of the charging and discharging pulse signal of 5 charging and discharging circuits can be obtained simultaneously, thus, the ports of the singlechip (10 ports are needed conventionally, only 5 ports are needed by using the structure of the utility model), the simplified design can be provided for hardware loops around the singlechip, and great simplification and convenience are provided for the low-cost and high-efficiency functions of products.
The working principle of the utility model is as follows: the power supply module supplies power for the singlechip module; the singlechip module is used for interacting with external information; the input/output port module is used as an input/output port for information transmission.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (3)
1. A single chip microcomputer input/output unified port includes:
the power supply module is used for supplying power to the singlechip module;
the singlechip module is used for interacting with external information;
the method is characterized in that: the single chip microcomputer input/output unified port further comprises:
the input/output port module is used as an input/output port for information transmission;
the power supply module is connected with the singlechip module, and the singlechip module is connected with the input/output port module;
the input/output port module comprises a plurality of input/output port circuits, and the input/output port circuits are connected with the singlechip module and sampling signals;
the input/output port circuit comprises a resistor R6, a resistor R7 and a capacitor VC1, wherein one end of the resistor R6 is connected with one end of the resistor R7, the singlechip module and the sampling signal, the other end of the resistor R6 is grounded, the other end of the resistor R7 is connected with one end of the capacitor VC1, and the other end of the capacitor VC1 is grounded.
2. The integrated port of claim 1, wherein the power supply module comprises a capacitor C12, a capacitor C13, and a 5V power supply, the 5V power supply is connected to one end of the capacitor C12, one end of the capacitor C13, and the single chip module, the other end of the capacitor C12 is grounded, and the other end of the capacitor C13 is grounded.
3. The integrated port of claim 1, wherein the single-chip microcomputer module comprises a single-chip microcomputer U3, a VDD-class power port of the single-chip microcomputer U3 is connected with the power supply module, and an ADC-class signal port of the single-chip microcomputer U3 is connected with the input/output port module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320332493.3U CN219958091U (en) | 2023-02-28 | 2023-02-28 | Input and output unified port of single-chip microcomputer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320332493.3U CN219958091U (en) | 2023-02-28 | 2023-02-28 | Input and output unified port of single-chip microcomputer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219958091U true CN219958091U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320332493.3U Active CN219958091U (en) | 2023-02-28 | 2023-02-28 | Input and output unified port of single-chip microcomputer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219958091U (en) |
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2023
- 2023-02-28 CN CN202320332493.3U patent/CN219958091U/en active Active
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