CN212935915U - Network interface circuit, network interface and burning system - Google Patents
Network interface circuit, network interface and burning system Download PDFInfo
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- CN212935915U CN212935915U CN202022176020.8U CN202022176020U CN212935915U CN 212935915 U CN212935915 U CN 212935915U CN 202022176020 U CN202022176020 U CN 202022176020U CN 212935915 U CN212935915 U CN 212935915U
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Abstract
The utility model discloses a network interface circuit, network interface and burn record system, the utility model discloses a technical scheme's beneficial effect lies in: the microcontroller and the terminal equipment can be connected through a network, a manufacturer can directly perform remote operation on the terminal equipment to program the microcontroller, and procedures such as product upgrading, defective program rewriting, sample sending and the like do not need technicians to operate on site any more, so that communication between a factory and a client in a different place becomes convenient, the travel expenditure in the later period is greatly saved, and the overall cost is reduced.
Description
Technical Field
The utility model relates to the field of communication technology, especially, relate to a network interface circuit, network interface and burn record system.
Background
In the present society, microcontrollers have been widely used in various fields of people's lives such as industrial control, consumer electronics, automobiles, etc., microcontrollers are a technical means of integrating the main part of a microcomputer on one chip, and through the development for more than 20 years, the microcontrollers are lower and lower in cost, and higher in performance
However, in the prior art, the programming of the microcontroller is mainly performed by using the USB, and the procedures of upgrading the product, rewriting the defective program, and sending the sample must be performed by a technician on site, which causes inconvenience in communication between the factory and the remote customer, a complicated after-sales service process, and low efficiency, and the overall cost is increased due to the travel expense.
Disclosure of Invention
In view of the above problems in the prior art, a network interface circuit, a network interface and a burning system are provided, which aim to enable a microcontroller and a terminal device to be wirelessly connected so as to save the overall cost.
The specific technical scheme is as follows:
a network interface circuit, wherein said network interface circuit is connected to a network transformer, said network transformer is remotely connected to a target device through said network interface circuit;
the network interface circuit specifically includes:
the data transmission port is connected to the target equipment through a network cable, and the network transformer transmits programming feedback data to the target equipment through the data transmission port of the network interface circuit;
the network transformer receives a programming signal sent by the target equipment through the data receiving port of the network interface circuit;
the network transformer is connected to the target equipment through the network cable, and transmits an enabling signal to the target equipment through the enabling transmission interface of the network interface circuit;
the network interface circuit is connected with the network transformer through the signal transmission port;
and the data sending port sends data to the target equipment through a TCP/IP protocol.
Preferably, the network interface circuit includes at least two data transmission ports.
Preferably, the network interface circuit further comprises:
a management port connected to the target device through the network cable;
a clock signal port connected to the target device through the network cable;
a clock signal reference port connected to the target device through the network cable;
a reset port connected to the target device through the network cable;
a check port connected to the target device through the network cable.
Preferably, the signal transmission port includes:
the first port is connected to an external voltage in a mode of connecting a first resistor in series;
a second port connected to the external voltage by connecting the first resistor in series;
a third port connected to the external voltage by connecting the first resistor in series;
and the fourth port is connected to the external voltage in a mode of connecting the first resistor in series.
Preferably, the network transformer comprises:
a fifth port connected to the first port;
a sixth port connected to the second port;
a seventh interface connected to the third port;
an eighth port connected to the fourth port;
a ninth port connected to the external voltage.
Preferably, a first node is arranged between the ninth port and the external voltage;
the network transformer further comprises:
a tenth port connected to the first node.
Preferably, a second node and a third node are sequentially arranged between the external voltage and the first node;
the network interface circuit further comprises:
one end of the first capacitor is connected to the second node, and the other end of the first capacitor is grounded;
and one end of the second capacitor is connected to the third node, and the other end of the second capacitor is grounded.
In the technical scheme, the method further comprises the following steps:
a network interface, characterized in that said network interface circuit is used.
In the technical scheme, the method further comprises the following steps:
a burning system, characterized in that the network interface is used.
The technical scheme of the utility model beneficial effect lies in: the microcontroller and the terminal equipment can be connected through a network, a manufacturer can directly perform remote operation on the terminal equipment to program the microcontroller, and procedures such as product upgrading, defective program rewriting, sample sending and the like do not need technicians to operate on site any more, so that communication between a factory and a client in a different place becomes convenient, the travel expenditure in the later period is greatly saved, and the overall cost is reduced.
Drawings
Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. The drawings are, however, to be regarded as illustrative and explanatory only and are not restrictive of the scope of the invention.
Fig. 1 is a circuit connection diagram of a network interface circuit according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The technical scheme provides a network interface circuit, which is characterized in that the network interface circuit is connected with a network transformer Q, and the network transformer Q is remotely connected with target equipment through the network interface circuit;
the network interface circuit specifically includes:
the data transmission port 1 is connected to target equipment through a network cable, and the network transformer Q transmits programming feedback data to the target equipment through the data transmission port 1 of the network interface circuit;
the data receiving port 2 is connected to target equipment through a network cable, and the network transformer Q receives a programming signal sent by the target equipment through the data receiving port 2 of the network interface circuit;
the enabling transmitting interface 3 is connected to the target equipment through a network cable, and the network transformer Q transmits an enabling signal to the target equipment through the enabling transmitting interface 3 of the network interface circuit;
the signal transmission port 4 is used for connecting the network interface circuit with the network transformer Q through the signal transmission port 4;
the data transmission port 1 transmits data to the target device through the TCP/IP protocol.
Specifically, the network interface circuit includes at least two data transmission ports 1.
Specifically, the network transformer Q is of the type HR 911103A.
Specifically, the network interface circuit and the network transformer Q are mounted on the same printed circuit board.
Specifically, the high and low levels are used in the data receiving and sending processes of the data sending port 1 and the data receiving port 2, and the high level of the data is 1 and the low level is 0 in the transmission process.
In a preferred embodiment, the network interface circuit further comprises:
a management port 5 connected to a target device through a network cable;
a clock signal port 6 connected to a target device through a network cable;
a clock signal reference port 7 connected to the target device through a network cable;
a reset port 8 connected to the target device through a network cable;
and the inspection port 9 is connected to the target equipment through a network cable.
Specifically, the management port 5 is used to manage transmission and reception of data.
Specifically, the clock signal port 6 is used for receiving a clock signal.
In particular, the frequency of the clock signal is up to 12.5 MHZ.
Specifically, the clock signal reference port 7 is used for receiving a reference clock signal.
Specifically, the reset port 8 is used to reset the interface chip U1.
In particular, the check port 9 is used to detect whether there is an error in the received data.
Specifically, the clock signal port 6 and the management port 5 are externally connected with a constant voltage V2.
Specifically, the constant voltage V2 is 3.3V.
Specifically, the target device is a terminal device, and the user sends the programming data through the terminal device.
In a preferred embodiment, the signal transmission port 4 further comprises:
a first port 41 connected to an external voltage by way of a series first resistor R1;
a second port 42 connected to an external voltage by way of a series first resistor R1;
a third port 43 connected to an external voltage by way of a series first resistor R1;
the fourth port 44 is connected to an external voltage by means of a series connection of a first resistor R1.
Specifically, the resistance of the first resistor R1 is 49.9 Ω.
In a preferred embodiment, the network transformer Q comprises:
a fifth port Q1 connected to the first port 41;
a sixth port Q2 connected to the second port 42;
a seventh interface Q3 connected to the third port 43;
an eighth port Q4 connected to the fourth port 44;
and a ninth port Q5 connected to an external voltage.
In a preferred embodiment, a first node P1 is provided between the ninth port Q5 and an external voltage;
the network transformer Q further comprises:
a tenth port Q6 connected to the first node P1.
In a preferred embodiment, a second node P2, a third node P3 are sequentially disposed between the external voltage and the first node P1;
the network interface circuit further comprises:
a first capacitor C1, one end of the first capacitor C1 is connected to the second node P2, and the other end of the first capacitor C1 is grounded;
and a second capacitor C2, one end of the second capacitor C2 being connected to the third node P3, and the other end of the second capacitor C2 being grounded.
Specifically, the withstand voltage of the first capacitor C1 was 50V, and the capacity was 0.1 uf.
Specifically, the withstand voltage of the second capacitor C2 was 50V, and the capacity was 0.1 uf.
In the technical scheme, the method further comprises the following steps:
a network interface uses the network interface circuit.
Specifically, through the network interface, burning and downloading operations can be carried out remotely, and the safety and the real-time performance of files can be guaranteed.
In the technical scheme, the method further comprises the following steps:
a burning system uses the network interface.
Specifically, the microcontroller is connected with the programmer, the programmer is connected with a network cable through the network interface and used for receiving data sent by the terminal device, and the terminal device controls the programmer to perform programming operation on the microcontroller through the network interface.
The technical scheme of the utility model beneficial effect lies in: the microcontroller and the terminal equipment can be connected through a network, a manufacturer can directly perform remote operation on the terminal equipment to program the microcontroller, and procedures such as product upgrading, defective program rewriting, sample sending and the like do not need technicians to operate on site any more, so that communication between a factory and a client in a different place becomes convenient, the travel expenditure in the later period is greatly saved, and the overall cost is reduced.
The above description is only an example of the preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and those skilled in the art should be able to realize the equivalent alternatives and obvious variations of the present invention.
Claims (9)
1. A network interface circuit, wherein said network interface circuit is connected to a network transformer, said network transformer is remotely connected to a target device through said network interface circuit;
the network interface circuit specifically includes:
the data transmission port is connected to the target equipment through a network cable, and the network transformer transmits programming feedback data to the target equipment through the data transmission port of the network interface circuit;
the network transformer receives a programming signal sent by the target equipment through the data receiving port of the network interface circuit;
the network transformer is connected to the target equipment through the network cable, and transmits an enabling signal to the target equipment through the enabling transmission interface of the network interface circuit;
the network interface circuit is connected with the network transformer through the signal transmission port;
and the data sending port sends data to the target equipment through a TCP/IP protocol.
2. The network interface circuit of claim 1, wherein the network interface circuit comprises at least two of the data transmit ports.
3. The network interface circuit of claim 1, further comprising:
a management port connected to the target device through the network cable;
a clock signal port connected to the target device through the network cable;
a clock signal reference port connected to the target device through the network cable;
a reset port connected to the target device through the network cable;
a check port connected to the target device through the network cable.
4. The network interface circuit of claim 1, wherein the signal transmission port comprises:
the first port is connected to an external voltage in a mode of connecting a first resistor in series;
a second port connected to the external voltage by connecting the first resistor in series;
a third port connected to the external voltage by connecting the first resistor in series;
and the fourth port is connected to the external voltage in a mode of connecting the first resistor in series.
5. The network interface circuit of claim 4, wherein the network transformer comprises:
a fifth port connected to the first port;
a sixth port connected to the second port;
a seventh interface connected to the third port;
an eighth port connected to the fourth port;
a ninth port connected to the external voltage.
6. The network interface circuit of claim 5, wherein a first node is disposed between the ninth port and the external voltage;
the network transformer further comprises:
a tenth port connected to the first node.
7. The network interface circuit of claim 6, wherein a second node and a third node are sequentially disposed between the external voltage and the first node;
the network interface circuit further comprises:
one end of the first capacitor is connected to the second node, and the other end of the first capacitor is grounded;
and one end of the second capacitor is connected to the third node, and the other end of the second capacitor is grounded.
8. A network interface, characterized in that a network interface circuit according to any of claims 1-7 is used.
9. A burning system using the network interface of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022176020.8U CN212935915U (en) | 2020-09-28 | 2020-09-28 | Network interface circuit, network interface and burning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022176020.8U CN212935915U (en) | 2020-09-28 | 2020-09-28 | Network interface circuit, network interface and burning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212935915U true CN212935915U (en) | 2021-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022176020.8U Active CN212935915U (en) | 2020-09-28 | 2020-09-28 | Network interface circuit, network interface and burning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212935915U (en) |
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2020
- 2020-09-28 CN CN202022176020.8U patent/CN212935915U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A network interface circuit, network interface, and burning system Effective date of registration: 20230711 Granted publication date: 20210409 Pledgee: Bank of Beijing Limited by Share Ltd. Shanghai branch Pledgor: Shanghai Gezhou Microelectronics Technology Co.,Ltd. Registration number: Y2023310000362 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |