CN219202323U

CN219202323U - OTG chip burner

Info

Publication number: CN219202323U
Application number: CN202320280893.4U
Authority: CN
Inventors: 李剑锋; 林远志; 李德胜
Original assignee: BEIJING XINTRON OFFICE EQUIPMENT CO LTD
Current assignee: BEIJING XINTRON OFFICE EQUIPMENT CO LTD
Priority date: 2023-02-22
Filing date: 2023-02-22
Publication date: 2023-06-16
Anticipated expiration: 2033-02-22

Abstract

The utility model discloses an OTG chip burner, wherein the OTG chip burner comprises: the burner comprises a burner main body, wherein an OTG interface and a burning interface are arranged on the burner main body; a main control unit, an OTG (on-the-go) connection unit, a chip burning unit and an indicator lamp driving unit are arranged in the burner main body; the main control unit is respectively connected with the OTG connection unit, the chip burning unit and the indicator lamp driving unit; the OTG connection unit is connected with the OTG interface, and the chip burning unit is connected with the burning interface. The utility model solves the technical problems that the existing chip burner has a complex structure and is not convenient to use by being connected with a computer.

Description

OTG chip burner

Technical Field

The utility model relates to the technical field of chip burning, in particular to an OTG chip burner.

Background

At present, the chip burner often needs to be connected with a computer or a power adapter for chip burning, and cannot be used at will. With The wide use of mobile devices such as smart phones in society, the functions of The mobile devices are more and more perfect, and most smart phones meet OTG (On-The-Go) functions, that is, plug and play, and data transmission between The smart devices and external devices such as a usb disk, a card reader, and a smart camera can be realized without transfer devices such as a host.

Disclosure of Invention

The utility model mainly aims to provide an OTG chip writer, which aims to solve the technical problems that the existing chip writer is complex in structure and is not convenient to use in cooperation with computer connection.

In order to achieve the above object, the present utility model provides an OTG chip writer, wherein the OTG chip writer includes:

the burner comprises a burner main body, wherein an OTG interface and a burning interface are arranged on the burner main body;

a main control unit, an OTG (on-the-go) connection unit, a chip burning unit and an indicator lamp driving unit are arranged in the burner main body; the main control unit is respectively connected with the OTG connection unit, the chip burning unit and the indicator lamp driving unit; the OTG connection unit is connected with the OTG interface, and the chip burning unit is connected with the burning interface.

In one of the preferred schemes, the burner main body is also provided with a status indicator lamp, and the status indicator lamp is connected with the indicator lamp driving unit.

In one of the preferred schemes, the OTG interface is connected with the mobile intelligent device, and the OTG interface comprises one or more of a Type-C interface, a Micro-USB interface and a Lightning interface.

In one preferred embodiment, the OTG interface is connected with the burner body in a reversible manner.

In one of the preferred schemes, the burner main body is provided with a containing cavity for containing the OTG interface.

One of the preferred schemes is that the burning interface is connected with the burning chip and supports SPI and I ² C. UART, 1-Wire and SWD serial burn protocols.

In one preferred scheme, the OTG connection unit includes a signal conversion circuit, and the signal conversion circuit is used for converting a signal input by the mobile intelligent device connected with the OTG interface into a communication signal which can be identified by the main control unit.

In one preferred embodiment, the OTG connection unit further includes a power conversion circuit, where the power conversion circuit is configured to convert a power of the mobile intelligent device connected to the OTG interface into a power required by the whole OTG chip burner.

In one of the preferred schemes, the OTG connection unit further comprises an OTG mode connection circuit, and the OTG mode connection circuit is used for performing connection matching of an OTG mode with the mobile intelligent device.

In the above technical scheme of the present utility model, the OTG chip burner includes: the burner comprises a burner main body, wherein an OTG interface and a burning interface are arranged on the burner main body; a main control unit, an OTG (on-the-go) connection unit, a chip burning unit and an indicator lamp driving unit are arranged in the burner main body; the main control unit is respectively connected with the OTG connection unit, the chip burning unit and the indicator lamp driving unit; the OTG connection unit is connected with the OTG interface, and the chip burning unit is connected with the burning interface. The utility model is connected with the mobile intelligent device through the OTG interface, the burning interface is connected with the burning chip, the burning content, the chip signal, the burning parameters, the burning times and the like of the burner can be configured through the mobile intelligent device, a display screen and keys are not required to be arranged on the burner main body, and the burner is realized by using the mobile intelligent device, such as a mobile phone and the like.

In the utility model, the OTG interface is arranged on the burner main body and is connected with the mobile intelligent equipment, the power supply of the mobile intelligent equipment is directly acquired through the OTG interface, and the burner can be used anytime and anywhere without connecting a power supply adapter to a 220V household power supply and by means of power supply output and data communication of the OTG mode of the mobile intelligent equipment.

In the utility model, the OTG chip burner is directly connected with the mobile intelligent device in an OTG mode, more visual and convenient parameter setting and burning operation of the burner can be realized through the APP of the mobile intelligent device, firmware upgrading of the burner can be realized through the APP of the mobile intelligent device, and more burning protocols and chip models are supported.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a first structure of an OTG chip burner according to an embodiment of the present utility model;

fig. 2 is a schematic diagram of a second structure of an OTG chip burner according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a burner body; 2. an OTG interface; 3. a burning interface; 4. a main control unit; 5. an OTG connection unit; 6. a chip burning unit; 7. an indicator light driving unit; 8. status indicator lights.

The achievement of the object, functional features and advantages of the present utility model will be further described with reference to the drawings in connection with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as upper and lower … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.

Moreover, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the embodiments, and when the technical solutions are contradictory or cannot be implemented, it should be considered that the combination of the technical solutions does not exist, and is not within the scope of protection claimed by the present utility model.

Referring to fig. 1-2, according to an aspect of the present utility model, there is provided an OTG chip writer, wherein the OTG chip writer includes:

the burner comprises a burner main body 1, wherein an OTG interface 2 and a burner interface 3 are arranged on the burner main body 1;

a main control unit 4, an OTG connection unit 5, a chip burning unit 6 and an indicator lamp driving unit 7 are arranged in the burner main body 1; the main control unit 4 is respectively connected with the OTG connection unit 5, the chip burning unit 6 and the indicator lamp driving unit 7; the OTG connection unit 5 is connected with the OTG interface 2, and the chip burning unit 6 is connected with the burning interface 3.

Specifically, in this embodiment, the burner body 1 is further provided with a status indicator lamp 8, and the status indicator lamp 8 is connected to the indicator lamp driving unit 7; after the OTG chip burner is connected to the mobile intelligent device, the mobile intelligent device comprises a mobile phone, a tablet, a computer and the like, the mobile intelligent device is not particularly limited, the mobile intelligent device can be particularly set according to the needs, the status indicator lamp 8 can be lightened, the status indicator lamp 8 alternately flashes red and blue to indicate that the OTG chip burner fails to be connected with the mobile intelligent device in connection, and the blue is normally connected with the mobile intelligent device; the indicator light driving unit 7 is used for driving the status indicator light 8.

Specifically, in this embodiment, the OTG interface 2 is connected to a mobile intelligent device, where the OTG interface 2 includes one or more of a Type-C interface, a Micro-USB interface, and a lighting interface, and the present utility model is not specifically limited, and may be specifically set as required; the OTG interface 2 is connected with the burner main body 1 in a turnover way; the burner main body 1 is provided with a containing cavity for containing the OTG interface 2, when the OTG interface 2 is not needed to be used, the OTG interface 2 can be turned over for 180 degrees and placed in the containing cavity, and when the OTG interface 2 needs to be connected with a mobile intelligent device, the OTG interface 2 can be placed outside the containing cavity through turning over and connected with the mobile intelligent device, so that the OTG chip burner is convenient to carry.

Specifically, in this embodiment, the writing interface 3 is connected to a writing chip, and the writing interface 3 supports, but is not limited to, SPI, I ² C. The serial burning protocols such as UART, 1-Wire, SWD and the like are not particularly limited, and can be set according to the needs.

Specifically, in this embodiment, the OTG connection unit 5 is a channel for the main control unit 4 to communicate with the mobile intelligent device and for power transmission, and the OTG connection unit 5 includes a signal conversion circuit, where the signal conversion circuit is configured to convert a signal input by the mobile intelligent device connected to the OTG interface 2 into a communication signal that can be identified by the main control unit 4; the utility model is not particularly limited, and a conventional signal conversion circuit is adopted.

Specifically, in this embodiment, the OTG connection unit 5 further includes a power conversion circuit, where the power conversion circuit is configured to convert a power of the mobile intelligent device connected to the OTG interface 2 into a power required by the whole OTG chip writer; the power supply conversion circuit acquires the power supply of the mobile intelligent device through the OTG interface 2, further converts the power supply of the mobile intelligent device into the power supply which can be used for the main control unit 4, the indicator lamp driving unit 7 and the chip burning unit 6 to work, and is provided with overcurrent protection, so that the damage of the mobile intelligent device or the OTG chip burning device caused by overlarge current is avoided; the utility model is not particularly limited, and a conventional power conversion circuit may be adopted.

Specifically, in this embodiment, the OTG connection unit 5 further includes an OTG mode connection circuit, where the OTG mode connection circuit is configured to perform connection matching of an OTG mode with the mobile intelligent device; the OTG mode connection circuit sets corresponding circuit parameters according to an OTG mode standard connection mode of the mobile intelligent device, so that after the OTG chip burner is connected to the mobile intelligent device, the mobile intelligent device enters an OTG mode and outputs a power supply, the OTG mode connection circuit is not particularly limited, and the OTG mode connection circuit is particularly used.

Specifically, in this embodiment, the chip writing unit 6 is a channel for communication and power transmission between the main control unit 4 and the writing chip, and the chip writing unit 6 is configured to transmit data transmitted by the main control unit 4 to the writing chip and provide power for the writing chip, which is not specifically limited, and specifically only needs to use a conventional chip writing unit 6.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather as utilizing equivalent structural changes made in the description of the present utility model and the accompanying drawings or directly/indirectly applied to other related technical fields under the inventive concept of the present utility model.

Claims

1. An OTG chip burner, characterized in that the OTG chip burner comprises: the burner comprises a burner main body, wherein an OTG interface and a burning interface are arranged on the burner main body;

2. The OTG chip burner of claim 1, wherein the burner body is further provided with a status indicator light, and the status indicator light is connected with the indicator light driving unit.

3. The OTG chip burner of claim 1, wherein the OTG interface is connected with a mobile smart device, the OTG interface including one or more of a Type-C interface, a Micro-USB interface, and a lighting interface.

4. The OTG chip burner of claim 3 wherein the OTG interface is reversibly coupled to the burner body.

5. The OTG chip burner of claim 4, wherein the burner body is provided with a cavity for accommodating the OTG interface.

6. The OTG chip writer according to claim 1, wherein the writing interface is connected to the writing chip, and the writing interface supports SPI, I ² C. UART, 1-Wire and SWD serial burn protocols.

7. The OTG chip burner of claim 1, wherein the OTG connection unit includes a signal conversion circuit, the signal conversion circuit being configured to convert a signal input by the mobile intelligent device connected to the OTG interface into a communication signal identifiable by the main control unit.

8. The OTG chip burner of claim 1, wherein the OTG connection unit further comprises a power conversion circuit for converting power of the mobile smart device connected to the OTG interface into power required for the entire OTG chip burner.

9. The OTG chip burner of claim 1, wherein the OTG connection unit further comprises an OTG mode connection circuit, the OTG mode connection circuit being configured to perform connection matching of an OTG mode with the mobile smart device.