CN104503940A - Novel debugging and communication module - Google Patents
Novel debugging and communication module Download PDFInfo
- Publication number
- CN104503940A CN104503940A CN201410688725.4A CN201410688725A CN104503940A CN 104503940 A CN104503940 A CN 104503940A CN 201410688725 A CN201410688725 A CN 201410688725A CN 104503940 A CN104503940 A CN 104503940A
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- China
- Prior art keywords
- interface
- main control
- usb
- control chip
- communication module
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
Abstract
The invention discloses a novel debugging and communication module which comprises a main control chip, a USB (universal serial bus) interface, a function setting switch, a serial interface and an infrared interface. The USB interface, the function setting switch, the serial interface and the infrared interface are connected with the main control chip respectively, the main control chip is a CH340R type USB to serial port chip, the USB interface is a USB A type mother port, the function setting switch is a common toggle switch, the serial interface is an RS-2329 pin connector, and the infrared interface is a 5-pin socket. Apart from the main control chip, only several peripheral devices are needed, so that the novel debugging and communication module is simple in circuit structure and low in cost; a function of switching a USB to a common serial port and an infrared serial port is realized, so that application range of the module is expanded; the module realizes a function of switching the USB to the serial ports, so that serial port debugging and communication functions are provided, and great convenience is brought to personnel using notebook computers.
Description
Technical field
The present invention relates to and relate to a kind of novel debugging and communication module, belong to communication hardware technical field.
Background technology
In order to the demand of miniaturization, notebook computer has eliminated the interface such as serial ports, parallel port on the basis of original desktop computer standard configuration, the substitute is USB Small Universal bus interface.For relevant practitioner, in order to the needs of programming, debugging, serial ports is essential.Download code with serial ports, export Debugging message, display routine running status during a lot of singlechip chip debugging, lacking the computer of serial ports, just seeming very inconvenient when debugging.
Relevant scheme has been had to propose solution to this problem, disclosed on 05 15th, 2013, application number is that the Chinese invention patent of 103106170A turns USB port device by using FT232BM chip to propose digitizer serial ports, but cost is high, circuit structure is complicated problem that this device exists, only can realize the function that USB turns common serial ports simultaneously, have certain limitation.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of novel debugging and communication module.
In order to realize above-mentioned target, the present invention adopts following technical scheme: a kind of novel debugging and communication module, it is characterized in that, comprise main control chip, USB interface, function setting switch, serial line interface, infrared interface, described USB interface, function setting switch, serial line interface, infrared interface are connected with main control chip respectively.
The novel debugging of aforesaid one and communication module, is characterized in that, described main control chip adopts CH340R type USB to turn serial port chip.
The novel debugging of aforesaid one and communication module, is characterized in that, described USB interface adopts the female mouth of USB A type.
The novel debugging of aforesaid one and communication module, is characterized in that, described function setting switch adopts common toggle switch.
The novel debugging of aforesaid one and communication module, is characterized in that, described serial line interface adopts RS-232 9 needle connector.
The novel debugging of aforesaid one and communication module, is characterized in that, described infrared interface adopts 5 needle sockets.
The novel debugging of aforesaid one and communication module, is characterized in that, No. 19 power pins of described main control chip are connected with power supply; No. 19, No. 5 power pins are connected to No. 8 pins and ground respectively by electric capacity simultaneously; No. 9, the clock input pin of described main control chip is connected with the two ends of crystal oscillator respectively with No. 10, is connected to ground respectively by electric capacity simultaneously; The mode of operation of described main control chip selects No. 17, pin to be connected to power supply by resistance, is connected to ground by described common toggle switch simultaneously; No. 3, the serial communication pin of described main control chip, No. 4 be connected with the corresponding pin of described RS-232 9 needle connector with described infrared interface 5 needle socket respectively; No. 6 pins, No. 7 pins of described main control chip are connected with the corresponding pin of described USB A type mother mouth respectively.
The beneficial effect that the present invention reaches: the present invention, except main control chip, only needs several peripheral component, circuit structure is simple, and cost is lower; Achieve the function that USB turns common serial ports and infrared serial interface simultaneously, widen the scope of application of module; Module achieves the function that USB turns serial ports, provides AccessPort and communication function simultaneously, gives and uses the personnel of notebook to bring great convenience.
Accompanying drawing explanation
Fig. 1 is a kind of novel debugging and communication module structured flowchart;
Fig. 2 is a kind of novel debugging and communication module circuit theory diagrams.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
As shown in Figure 1, a kind of novel debugging and communication module, the USB interface, function setting switch, serial line interface and the infrared interface that comprise main control chip, be connected respectively with main control chip.
Described main control chip adopts CH340R type USB to turn serial port chip.Described USB interface adopts the female mouth of USB A type.Described function setting switch adopts common toggle switch.Described serial line interface adopts RS-232 9 needle connector.Described infrared interface adopts 5 needle sockets.
As shown in Figure 2, main control chip U1 No. 19 power pins are connected with power supply VCC, and for chip provides working power, No. 19, No. 5 power pins are connected to No. 8 pin GND ground connection respectively by electric capacity C1, C2 simultaneously, carry out filtering to power supply.Clock input pin No. 9 XI, No. 10 XO are connected with the two ends of crystal oscillator Y1 respectively, are connected to ground respectively by electric capacity C4, C3 simultaneously.Mode of operation selects pin No. 17 IR# to be connected to power supply by resistance R1, is connected to ground by switch S 1 simultaneously.Serial communication pin No. 3 TXD, No. 4 RXD are connected with the corresponding pin of RS-232 9 needle connector, infrared interface 5 needle socket respectively.No. 6 pin UD+, No. 7 pins are connected with USB interface corresponding pin respectively with UD-.
When switch S 1 is in acquiescence open mode, mode of operation selects pin No. 17 IR# to keep high level, and chip operation is in common serial ports pattern; After switch is closed, mode of operation selects pin No. 17 IR# to keep low level, and chip operation is in infrared serial interface pattern.
The present invention, except main control chip U1, only needs several peripheral component, and circuit structure is simple, and cost is lower; Achieve the function that USB turns common serial ports and infrared serial interface simultaneously, widen the scope of application of module; Module achieves the function that USB turns serial ports, provides AccessPort and communication function simultaneously, gives and uses the personnel of notebook to bring great convenience.
Claims (7)
1. a novel debugging and communication module, it is characterized in that, comprise main control chip, USB interface, function setting switch, serial line interface, infrared interface, described USB interface, function setting switch, serial line interface and infrared interface are connected with described main control chip respectively.
2. the novel debugging of one according to claim 1 and communication module, is characterized in that, described main control chip adopts CH340R type USB to turn serial port chip.
3. the novel debugging of one according to claim 1 and communication module, is characterized in that, described USB interface adopts the female mouth of USB A type.
4. the novel debugging of one according to claim 1 and communication module, is characterized in that, described function setting switch adopts common toggle switch.
5. the novel debugging of one according to claim 1 and communication module, is characterized in that, described serial line interface adopts RS-232 9 needle connector.
6. the novel debugging of one according to claim 1 and communication module, is characterized in that, described infrared interface adopts 5 needle sockets.
7. the novel debugging of the one according to claim 1-6 any one and communication module, is characterized in that, No. 19 power pins of described main control chip are connected with power supply; No. 19, No. 5 power pins are connected to No. 8 pins and ground respectively by electric capacity simultaneously; No. 9, the clock input pin of described main control chip is connected with the two ends of crystal oscillator respectively with No. 10, is connected to ground respectively by electric capacity simultaneously; The mode of operation of described main control chip selects No. 17, pin to be connected to power supply by resistance, is connected to ground by described common toggle switch simultaneously; No. 3, the serial communication pin of described main control chip, No. 4 be connected with the corresponding pin of described RS-232 9 needle connector with described infrared interface 5 needle socket respectively; No. 6 pins, No. 7 pins of described main control chip are connected with the corresponding pin of described USB A type mother mouth respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410688725.4A CN104503940A (en) | 2014-11-26 | 2014-11-26 | Novel debugging and communication module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410688725.4A CN104503940A (en) | 2014-11-26 | 2014-11-26 | Novel debugging and communication module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104503940A true CN104503940A (en) | 2015-04-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410688725.4A Pending CN104503940A (en) | 2014-11-26 | 2014-11-26 | Novel debugging and communication module |
Country Status (1)
| Country | Link |
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| CN (1) | CN104503940A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090132737A1 (en) * | 2007-11-21 | 2009-05-21 | Industrial Technology Research Institute | Remote interface apparatus, control system, and the method thereof |
| CN203520727U (en) * | 2013-11-02 | 2014-04-02 | 常州信息职业技术学院 | Portable STM32 one-chip microcomputer teaching experiment instrument |
| CN203786725U (en) * | 2014-03-18 | 2014-08-20 | 苏州大学 | Serial bus communication bridge |
-
2014
- 2014-11-26 CN CN201410688725.4A patent/CN104503940A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090132737A1 (en) * | 2007-11-21 | 2009-05-21 | Industrial Technology Research Institute | Remote interface apparatus, control system, and the method thereof |
| CN203520727U (en) * | 2013-11-02 | 2014-04-02 | 常州信息职业技术学院 | Portable STM32 one-chip microcomputer teaching experiment instrument |
| CN203786725U (en) * | 2014-03-18 | 2014-08-20 | 苏州大学 | Serial bus communication bridge |
Non-Patent Citations (1)
| Title |
|---|
| 佚名: "CH340中文手册(一)", 《百度文库》 * |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150408 |
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| RJ01 | Rejection of invention patent application after publication |