CN205453723U - Full duplex wireless communication device - Google Patents
Full duplex wireless communication device Download PDFInfo
- Publication number
- CN205453723U CN205453723U CN201521144531.4U CN201521144531U CN205453723U CN 205453723 U CN205453723 U CN 205453723U CN 201521144531 U CN201521144531 U CN 201521144531U CN 205453723 U CN205453723 U CN 205453723U
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- chip
- radio frequency
- wireless
- switch chip
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Abstract
The utility model provides a full duplex wireless communication device, handle chip, wireless sending module and wireless receiving module including the core, wireless sending module is the wireless transmitting circuit that comprises RF chips U7 and switcher chip U6 and peripheral circuit, the wireless receiving module is the wireless receiving circuit compriseed RF chips U5 and switcher chip U4 and peripheral circuit, the chip was handled to the core pin PA0 to RF chips U7's among the wireless sending module pin nSEL sends chip select signal, pin PA1 in to the wireless receiving module RF chips U5's pin nSEL send chip select signal. Beneficial effect: full duplex wireless communication device, can effectively solve half duplex communication mode data and easily lose, the nervous problem of the wired communication mode pin of full duplex.
Description
Technical field
This utility model belongs to field of wireless communications, especially relates to a kind of Full-duplex wireless communications device.
Background technology
Along with the development of communication technology, communication form gets more and more, becomes increasingly complex, and in the complex control system that communication interface is more, data processing card typically uses the full-duplex communication mode based on RS422；Based on demands such as transmission speed, distance and networked communication, what present signals collecting product was more uses the half-duplex operation mode based on RS485.When the data acquisition card being designed with RS485 serial communication based on self-demand directly communicates, following point can be there is: sending to data acquisition card at the instruction transmitting terminal of data processing card and read during instruction reads data, half-duplex interface exists instruction input and exports conflicting problem with data；When practical full-duplex communication, owing to the reception pin of full duplex is less with transmission pin, wired communication system exists certain limitation.
Summary of the invention
In view of this, this utility model is directed to a kind of Full-duplex wireless communications device, easily loses solving half-duplex operation mode data, the problem that full duplex wire communication mode pin is nervous.
For reaching above-mentioned purpose, the technical solution of the utility model is achieved in that
A kind of Full-duplex wireless communications device, including kernel processor chip, wireless sending module and wireless receiving module, described kernel processor chip is ARM microcontroller, described wireless sending module is the wireless transmission circuit being made up of radio frequency chip U7 and switch chip U6 and peripheral circuit, described wireless receiving module is the wireless receiving circuit being made up of radio frequency chip U5 and switch chip U4 and peripheral circuit
The pin nSEL of the pin PA0 of described kernel processor chip radio frequency chip U7 in described wireless sending module sends chip selection signal, the pin nSEL of pin PA1 radio frequency chip U5 in wireless receiving module sends chip selection signal, pin PA4 and PB1 connects pin SDI and SDO of radio frequency chip U7 in wireless sending module respectively and carries out signal transmission and reception, and pin PA9 and PA10 connects pin SDI and SDO of radio frequency chip U5 in wireless receiving module respectively and carry out signal transmission and reception.
Further, the circuit of described wireless sending module specifically includes that radio frequency chip U7 and switch chip U6, the model of described radio frequency chip U7 is SI4463, the model of switch chip U6 is uPG2214TB, the pin GND ground connection of described radio frequency chip U7, pin GPIO3 and the pin VC1 of described switch chip U6 is connected the signal receiving described switch chip U6, pin GPIO2 and the pin VC2 of described switch chip U6 is connected to described switch chip U6 transmission signal, pin XIN with XOUT is connected the first pin and the three-prong composition crystal oscillating circuit of XTAL respectively, described crystal oscillating circuit sends signal after the 23rd electric capacity C23.
Further, the circuit of described wireless receiving module specifically includes that radio frequency chip U5 and switch chip U4, the model of described radio frequency chip U5 is SI4463, the model of switch chip U4 is uPG2214TB, the pin GND ground connection of described radio frequency chip U5, pin GPIO3 and the pin VC1 of described switch chip U4 is connected the signal receiving described switch chip U4, pin GPIO2 and the pin VC2 of described switch chip U4 is connected to described switch chip U4 transmission signal, pin XIN Yu XOUT connects the first pin and the three-prong composition crystal oscillating circuit of XTAL respectively, described crystal oscillating circuit receives signal.
Relative to prior art, a kind of Full-duplex wireless communications device described in the utility model has the advantage that
(1) full-duplex communication device of the present invention, it is possible to effectively solve half-duplex operation mode data and easily lose, the problem that data transmission is slow.
(2) Full-duplex wireless communications device of the present invention, uses wireless data transmission module to substitute serial port connecting wire, it is possible to effectively solve the problem that full duplex wire communication mode pin is nervous.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the core data chip connection figure described in this utility model embodiment；
Fig. 2 is the wireless sending module circuit theory diagrams described in this utility model embodiment；
Fig. 3 is the wireless receiving module circuit theory diagrams described in this utility model embodiment.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in this utility model and the feature in embodiment can be mutually combined.
Describe this utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
A kind of Full-duplex wireless communications device, as shown in Figure 1, including kernel processor chip, wireless sending module and wireless receiving module, described kernel processor chip is ARM microcontroller, described wireless sending module is the wireless transmission circuit being made up of radio frequency chip U7 and switch chip U6 and peripheral circuit, and described wireless receiving module is the wireless receiving circuit being made up of radio frequency chip U5 and switch chip U4 and peripheral circuit；
The pin nSEL of the pin PA0 of described kernel processor chip radio frequency chip U7 in described wireless sending module sends chip selection signal, the pin nSEL of pin PA1 radio frequency chip U5 in wireless receiving module sends chip selection signal, pin PA4 and PB1 connects pin SDI and SDO of radio frequency chip U7 in wireless sending module respectively and carries out signal transmission and reception, and pin PA9 and PA10 connects pin SDI and SDO of radio frequency chip U5 in wireless receiving module respectively and carry out signal transmission and reception.
As shown in Figure 2, the circuit of described wireless sending module specifically includes that the circuit of described wireless sending module specifically includes that radio frequency chip U7 and switch chip U6, the model of described radio frequency chip U7 is SI4463, the model of switch chip U6 is uPG2214TB, the pin GND ground connection of described radio frequency chip U7, pin GPIO3 and the pin VC1 of described switch chip U6 is connected the signal receiving described switch chip U6, pin GPIO2 and the pin VC2 of described switch chip U6 is connected to described switch chip U6 transmission signal, pin XIN with XOUT is connected the first pin and the three-prong composition crystal oscillating circuit of XTAL respectively, described crystal oscillating circuit sends signal after the 23rd electric capacity C23.
As shown in Figure 3, the circuit of described wireless receiving module specifically includes that radio frequency chip U5 and switch chip U4, the model of described radio frequency chip U5 is SI4463, the model of switch chip U4 is uPG2214TB, the pin GND ground connection of described radio frequency chip U5, pin GPIO3 and the pin VC1 of described switch chip U4 is connected the signal receiving described switch chip U4, pin GPIO2 and the pin VC2 of described switch chip U4 is connected to described switch chip U4 transmission signal, pin XIN Yu XOUT connects the first pin and the three-prong composition crystal oscillating circuit of XTAL respectively, described crystal oscillating circuit receives signal.
The operation principle of a kind of Full-duplex wireless communications device is: kernel processor chip sends chip selection signal by the pin nSEL of pin PA1 radio frequency chip U5 in wireless receiving module, after receiving wireless signal and carrying out data conversion, being sent chip selection signal by the pin nSEL of pin PA0 radio frequency chip U7 in described wireless sending module, the data after processing are sent by wireless sending module.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (3)
1. a Full-duplex wireless communications device, it is characterised in that: include kernel processor chip, wireless sending module and wireless receiving module,
Described kernel processor chip is ARM microcontroller,
Described wireless sending module is the wireless transmission circuit being made up of radio frequency chip U7 and switch chip U6 and peripheral circuit,
Described wireless receiving module is the wireless receiving circuit being made up of radio frequency chip U5 and switch chip U4 and peripheral circuit,
The pin nSEL of the pin PA0 of described kernel processor chip radio frequency chip U7 in described wireless sending module sends chip selection signal, the pin nSEL of pin PA1 radio frequency chip U5 in wireless receiving module sends chip selection signal, pin PA4 and PB1 connects pin SDI and SDO of radio frequency chip U7 in wireless sending module respectively and carries out signal transmission and reception, and pin PA9 and PA10 connects pin SDI and SDO of radio frequency chip U5 in wireless receiving module respectively and carry out signal transmission and reception.
A kind of Full-duplex wireless communications device the most according to claim 1, it is characterized in that: the circuit of described wireless sending module specifically includes that radio frequency chip U7 and switch chip U6, the model of described radio frequency chip U7 is SI4463, the model of switch chip U6 is uPG2214TB, the pin GND ground connection of described radio frequency chip U7, pin GPIO3 and the pin VC1 of described switch chip U6 is connected the signal receiving described switch chip U6, pin GPIO2 and the pin VC2 of described switch chip U6 is connected to described switch chip U6 transmission signal, pin XIN with XOUT is connected the first pin and the three-prong composition crystal oscillating circuit of XTAL respectively, described crystal oscillating circuit sends signal after the 23rd electric capacity C23.
A kind of Full-duplex wireless communications device the most according to claim 1, it is characterized in that: the circuit of described wireless receiving module specifically includes that radio frequency chip U5 and switch chip U4, the model of described radio frequency chip U5 is SI4463, the model of switch chip U4 is uPG2214TB, the pin GND ground connection of described radio frequency chip U5, pin GPIO3 and the pin VC1 of described switch chip U4 is connected the signal receiving described switch chip U4, pin GPIO2 and the pin VC2 of described switch chip U4 is connected to described switch chip U4 transmission signal, pin XIN Yu XOUT connects the first pin and the three-prong composition crystal oscillating circuit of XTAL respectively, described crystal oscillating circuit receives signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521144531.4U CN205453723U (en) | 2015-12-31 | 2015-12-31 | Full duplex wireless communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521144531.4U CN205453723U (en) | 2015-12-31 | 2015-12-31 | Full duplex wireless communication device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205453723U true CN205453723U (en) | 2016-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521144531.4U Expired - Fee Related CN205453723U (en) | 2015-12-31 | 2015-12-31 | Full duplex wireless communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205453723U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634534A (en) * | 2015-12-31 | 2016-06-01 | 天津朗誉科技发展有限公司 | Wireless communication device |
-
2015
- 2015-12-31 CN CN201521144531.4U patent/CN205453723U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634534A (en) * | 2015-12-31 | 2016-06-01 | 天津朗誉科技发展有限公司 | Wireless communication device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160810 Termination date: 20161231 |