CN207909114U - Multifunctional signal conversion circuit and converter - Google Patents
Multifunctional signal conversion circuit and converter Download PDFInfo
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- CN207909114U CN207909114U CN201820315772.8U CN201820315772U CN207909114U CN 207909114 U CN207909114 U CN 207909114U CN 201820315772 U CN201820315772 U CN 201820315772U CN 207909114 U CN207909114 U CN 207909114U
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Abstract
The utility model belongs to signal conversion art, more particularly to a kind of multifunctional signal conversion circuit and converter.The circuit includes：First TYPE C modules and the 2nd TYPE C modules；First TYPE C modules include first terminal interface and the first TYPE C interface, and the first TYPE C interface receives the power demand signal of electricity needs equipment, and supply terminal is powered by the first TYPE C modules to electricity needs equipment according to power demand signal；2nd TYPE C modules include second terminal interface, the 2nd TYPE C interface, HDMI, USB interface, SD interface and TF card interface, and supply terminal is carried out data transmission according to the pid information of mobile device, EDID information or CMD information by the 2nd TYPE C modules and mobile device.Above-mentioned multifunctional signal conversion circuit and converter support external expansion video and the conversion of data read-write of double TYPE C interface, compatible with single TYPE C interface realizes charge function, also realize that multiple types of data interface carries out data transmission, and meets the growing diversified demand of people simultaneously.
Description
Technical field
The utility model belongs to signal switch technology field, is to be related to a kind of multifunctional signal conversion electricity more specifically
Road and converter.
Background technology
The diversified demand growing with people with the development of science and technology, TYPE-C interfaces are widely used in intelligent hand
On the digital products such as machine, tablet computer and PC product.TYPE-C interfaces it is more slim design, faster transmission speed
And more intrepid power transmission, allow USB (Universal Serial Bus, universal serial bus) interfaces and HDMI (High
Definition Multimedia Interface, high-definition multimedia interface) there are more purposes.
Currently, the expansion interface type applied to digital product is more and more, but all it is that a TYPE-C interface connects mostly
A kind of equipment is connect, realizes a kind of function, cannot be satisfied the growing demand of people.
Utility model content
In view of this, the utility model embodiment provides a kind of multifunctional signal conversion circuit and converter, to solve
The problem of single TYPE-C interfaces are only capable of connecting a kind of equipment, only realizing a kind of function in the prior art.
The first aspect of the utility model embodiment provides a kind of multifunctional signal conversion circuit, including：First TYPE-
C modules and the 2nd TYPE-C modules；
The first TYPE-C modules include first terminal interface and the first TYPE-C interfaces；The first terminal interface is suitable
It is connect in supply terminal, the first TYPE-C interfaces are suitable for connecting with electricity needs equipment；
The power demand signal of electricity needs equipment described in the first TYPE-C interfaces, the supply terminal according to
The power demand signal is powered by the first TYPE-C modules to the electricity needs equipment；
The 2nd TYPE-C modules include second terminal interface, the 2nd TYPE-C interfaces, HDMI, USB interface, SD
(Secure Digital Memory Card, safe digital card) interface and TF (TranFlash, flash memory) card interface；
The second terminal interface is suitable for connecting with the supply terminal, and the 2nd TYPE-C interfaces, the HDMI, the USB connect
Mouth, the SD interface and the TF card interface are adapted to connect with mobile device；
The 2nd TYPE-C interfaces and the USB interface receive the PID (Process of the mobile device
Identification Data, data for process identification) information, the HDMI receives the EDID (Extended of the mobile device
Display Identification Data, extending display identification data) information, the SD interface and the TF card interface are equal
CMD (Command, order) information of the mobile device is received, the supply terminal is according to the pid information, the EDID
Information or the CMD information are carried out data transmission by the 2nd TYPE-C modules with the mobile device.
The first TYPE-C modules further include：FPC (Flexible Printed Circuit, flexible PCB) is arranged
Line；
The first terminal interface is connect by the FPC winding displacements with the first TYPE-C interfaces.
Optionally, the 2nd TYPE-C modules further include that control unit, the first signal conversion unit and second signal turn
Change unit；
First signal end of described control unit is connect with the second terminal interface, the second signal of described control unit
End is connect with the USB interface, and the third signal end of described control unit is connect with the 2nd TYPE-C interfaces, the control
The fourth signal end of unit is connect with the output end of the second signal converting unit；
The signal end of first signal conversion unit is connect with the HDMI, and the first of first signal conversion unit
Output end is connect with the second terminal interface；
First signal end of the second signal converting unit is connect with the SD interface, the second signal converting unit
Second signal end connect with the TF card interface.
Optionally, described control unit includes：Signal controls subelement；
The output end of the signal control subelement and the first signal end of described control unit connect, the signal control
The first input end of subelement and the second signal end of described control unit connect, the second input of the signal control subelement
End is connect with the third signal end of described control unit, the third input terminal and described control unit of the signal control subelement
Fourth signal end connection.
Optionally, described control unit further includes：First storing sub-units；
The storage end of first storing sub-units and described control unit connects.
Optionally, the 2nd TYPE-C modules further include third signal conversion unit and communication protocol unit；
First signal end of the third signal conversion unit is connect with the USB interface, and the third signal conversion is single
The second signal end of member and the 5th signal end of described control unit connect, the third signal end of the third signal conversion unit
It is connect with the first communication ends of the communication protocol unit；
Second communication ends of the communication protocol unit are connect with the second output terminal of first signal conversion unit, institute
The third communication end for stating communication protocol unit is connect with the second terminal interface.
Optionally, the communication protocol unit includes：Communications protocol subelement；
The first input end of the communications protocol subelement is connect with the first communication ends of the communication protocol unit, described
Second input terminal of communications protocol subelement is connect with the second communication ends of the communication protocol unit, and communications protocol is single
The output end of member is connect with the third communication end of the communication protocol unit.
Optionally, the communication protocol unit further includes：Reset subelement, clock subelement and the second storing sub-units；
The reset subelement is connect with the reset terminal of the communication protocol unit；The clock subelement and the communication
The clock end of protocol element connects；Second storing sub-units are connect with the storage end of the communication protocol unit.
Optionally, the 2nd TYPE-C modules further include：Fourth signal converting unit；
The input terminal of the fourth signal converting unit is connect with the 2nd TYPE-C interfaces, the fourth signal conversion
The output end of unit and the third signal end of described control unit connect.
The second aspect of the utility model embodiment provides a kind of signal adapter, including including shell and feature board,
It further include any one of them multifunctional signal conversion circuit provided such as the first aspect of above-described embodiment.
The advantageous effect of multifunctional signal conversion circuit and converter compared with prior art in the utility model embodiment
It is：The power demand signal of first TYPE-C interface electricity needs equipment of the first TYPE-C modules, the first TYPE-C
The supply terminal of the first terminal interface connection of module is according to power demand signal by the first TYPE-C modules to electricity needs
Equipment is powered；2nd TYPE-C modules receive the pid information of mobile device by the 2nd TYPE-C interfaces and USB interface, pass through
HDMI receives the EDID information of mobile device, by the CMD information of SD interface and TF card interface mobile device, supplies terminal
Data biography is carried out by the 2nd TYPE-C modules and mobile device according to the pid information of mobile device, EDID information or CMD information
It is defeated, realize external expansion video and the conversion of data read-write of double TYPE-C interfaces, and can compatible with single TYPE-C interfaces fill
Electricity Functional, while also realizing that multiple types of data interface carries out data transmission, and meets the growing diversified demand of people.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new
Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the structural schematic diagram for the multifunctional signal conversion circuit that the utility model embodiment provides；
Fig. 2 is the electrical block diagram for the control unit that the utility model embodiment provides；
Fig. 3 is the electrical block diagram for the first signal conversion unit that the utility model embodiment provides；
Fig. 4 is the electrical block diagram for the second signal converting unit that the utility model embodiment provides；
Fig. 5 is the electrical block diagram for the third signal conversion unit that the utility model embodiment provides；
Fig. 6 is the electrical block diagram for the communication protocol unit that the utility model embodiment provides；
Fig. 7 is the electrical block diagram for the fourth signal converting unit that the utility model embodiment provides.
Specific implementation mode
In order to make technical problem to be solved in the utility model, technical solution and advantageous effect be more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
Embodiment one
Referring to Fig. 1, a kind of multifunctional signal conversion circuit that the utility model embodiment provides, including the first TYPE-C moulds
Block 100 and the 2nd TYPE-C modules 200.
First TYPE-C modules 100 include first terminal interface and the first TYPE-C interfaces；The first terminal interface is suitable
It is connect in supply terminal, the first TYPE-C interfaces are suitable for connecting with electricity needs equipment.
The power demand signal of electricity needs equipment described in the first TYPE-C interfaces, the supply terminal according to
The power demand signal is powered by the first TYPE-C modules 100 to the electricity needs equipment.
2nd TYPE-C modules 200 include second terminal interface, the 2nd TYPE-C interfaces, HDMI, USB interface, SD interface
With TF card interface；The second terminal interface is suitable for connecting with the supply terminal, the 2nd TYPE-C interfaces, described
HDMI, the USB interface, the SD interface and the TF card interface are adapted to connect with mobile device.
The 2nd TYPE-C interfaces and the USB interface receive the pid information of the mobile device, and the HDMI connects
The EDID information of the mobile device is received, the SD interface and the TF card interface receive the CMD information of the mobile device,
The supply terminal according to the pid information, the EDID information or the CMD information by the 2nd TYPE-C modules 200 with
The mobile device carries out data transmission.
Above-mentioned multifunctional signal conversion circuit passes through the first TYPE-C interface electric power of the first TYPE-C modules 100
The supply terminal of the power demand signal of demand equipment, the connection of first terminal interface passes through first according to power demand signal
TYPE-C modules 100 are powered to electricity needs equipment；2nd TYPE-C modules 200 pass through the 2nd TYPE-C interfaces and USB interface
The pid information for receiving mobile device receives EDID information by HDMI, by SD interface and TF card interface CMD information, supplies
Terminal is answered to pass through the 2nd TYPE-C modules 200 and mobile device according to the pid information of mobile device, EDID information or CMD information
Carry out data transmission, realizes external expansion video and the conversion of data read-write of double TYPE-C interfaces, and can compatible with single TYPE-
The charge function of C interface, while also realizing that multiple types of data interface carries out data transmission, and meets growing more of people
Sample demand.
Wherein, the number that the supply terminal is carried out data transmission by the 2nd TYPE-C modules 200 with the mobile device
According to may include the data such as lteral data information, image data information and video data information.It should be understood that the supply terminal is logical
It crosses the data type that the 2nd TYPE-C modules 200 carry out data transmission with the mobile device and is not limited to above-mentioned data information,
Can also include command information and code information etc., such as the mobile device is keyboard, then user by keyboard to second
TYPE-C modules 200 send control instruction, and the control instruction is sent to supply terminal by the 2nd TYPE-C modules 200, described
Supply terminal executes operation according to control instruction.
Wherein, the first terminal interface and the second terminal interface can be same class type interface, or
Different types of interface.Optionally, the first terminal interface and the second terminal interface connect the confession to be same
Answer the TYPE-C interfaces of terminal.
In concrete application, the supply terminal may include that tablet computer, palm PC, computer notebook or mobile phone etc. are whole
End, but it is not limited to above-mentioned terminal.The mobile device may include tablet computer, palm PC, computer notebook, mobile phone,
The mobile devices such as display, charger and charger baby, but it is not limited to above-mentioned mobile device.
Optionally, in one embodiment, the first TYPE-C modules 100 further include：FPC winding displacements.
The first terminal interface is connect by the FPC winding displacements with the first TYPE-C interfaces.
Specifically, when first terminal interface connection supply terminal and the first TYPE-C interfaces connect electric power
When demand equipment, supply terminal sends a supply of electric power ability letter by the first TYPE-C modules 100 to electricity needs equipment
Number, while the power demand signal of electricity needs equipment described in the first TYPE-C interfaces and passing through the first TYPE-C moulds
Block 100 is sent to supply terminal, and the supply terminal adjusts voltage and current according to the power demand signal, passes through first
TYPE-C modules 100 are to the electricity needs equipment output voltage.
Optionally, the first TYPE-C interfaces can transmit video and the interface of data with external others, such as
HDMI, VGA (Video Graphics Array, Video Graphics Array) interface, i.e., the described first TYPE-C interfaces are in addition to can be with
As charging interface, data and video transmission interface are also used as, realize that a TYPE-C interfaces realization possesses multiple functions,
Meet user demand.
In concrete application, when the first TYPE-C interfaces connection mobile device carries out video and data transmission, first
The signal identification end of TYPE-C interfaces identifies the data standard that the mobile device is sent to the first TYPE-C interfaces first
Type, for example, 1 specification of 2.0 specification of universal serial bus or 3.1 Gen of USB, if it is the number of 3.1 Gen of USB, 1 specifications
It is believed that number, then the first TYPE-C interfaces enter the data pattern of 3.0 or more USB and are transmitted.It should be understood that above-mentioned is only to
The data standard type of the signal identification end identification of one TYPE-C interfaces is illustrated, and is not the signal to the first TYPE-C interfaces
Identify the restriction of the data standard type of end identification.
Further, in one embodiment, the 2nd TYPE-C modules 200 further include control unit 210, the conversion of the first signal
Unit 220 and second signal converting unit 230.
First signal end of control unit 210 is connect with the second terminal interface, the second signal end of control unit 210
It is connect with the USB interface, the third signal end of control unit 210 is connect with the 2nd TYPE-C interfaces, control unit 210
Fourth signal end connect with the output end of second signal converting unit 230.
The signal end of first signal conversion unit 220 is connect with the HDMI, and the first of the first signal conversion unit 220 is defeated
Outlet is connect with the second terminal interface.
First signal end of second signal converting unit 230 is connect with the SD interface, second signal converting unit 230
Second signal end is connect with the TF card interface.
Optionally, control unit 210 includes：Signal controls subelement 211.
The output end of signal control subelement 211 is connect with the first signal end of control unit 210, and signal controls subelement
211 first input end is connect with the second signal end of control unit 210, signal control subelement 211 the second input terminal with
The third signal end of control unit 210 connects, and signal controls the third input terminal and the 4th of control unit 210 of subelement 211
Signal end connects.
Optionally, referring to Fig.2, signal control subelement 211 can be VL817_QFN-76_Hub chips.
Signal control subelement 211 output end may include：The SSTX0+ of the VL817_QFN-76_Hub chips draws
Foot, SSTX0- pins, SSRX0+ pins, SSRX0- pins, USBDP+ pins and USBDP- pins.
Signal control subelement 211 first input end may include：The SSTX2 of the VL817_QFN-76_Hub chips
+ pin, SSTX2- pins, SSRX2+ pins, SSRX2- pins, USBHP2+ pins, USBHP2- pins, SSTX3+ pins,
SSTX3- pins, SSRX3+ pins and SSRX3- pins.
Signal control subelement 211 the second input terminal may include：The SSTX4 of the VL817_QFN-76_Hub chips
+ pin, SSTX4- pins, SSRX4+ pins, SSRX4- pins, USBHP4+ pins and USBHP4- pins.
Signal control subelement 211 third input terminal may include：The SSTX1 of the VL817_QFN-76_Hub chips
+ pin, SSTX1- pins, SSRX1+ pins, SSRX1- pins, USBHP1+ pins and USBHP1- pins.
Signal control subelement 211 the 4th input terminal may include：The VL817_QFN-76_Hub chips
USBHP3+ pins and USBHP3- pins.
In concrete application, after USB interface connects mobile device, what the signal control subelement 211 can detect connection is
Charging load or data equipment, if signal control subelement 211 detects that can send information can also receive setting for information
It is standby, then conclude that the mobile device of connection USB interface is data equipment, or the data equipment including charging load.When the signal
After control subelement 211 determines the function of the mobile device of USB interface connection, supply terminal is according to pid information and USB interface
The mobile device of connection carries out high speed data transfer.
It should be understood that in the present embodiment, VL817_QFN-76_Hub chips are not the limit for controlling signal subelement 211
Fixed, it can also be other chips that correlation function can be achieved that signal, which controls subelement 211,.
Optionally, control unit 210 further includes：First storing sub-units 212；First storing sub-units 212 and control are single
The storage end connection of member 210.
The storage end that the storage end of control unit 210 controls subelement 211 with signal is connect.Specifically, signal control
The storage end of unit 211 may include the SPICS pins of VL817_QFN-76_Hub chips, SPISO pins, SPICK pins and
SPISI pins.
Optionally, the first storing sub-units 212 can be GD25D05 family chips.First storing sub-units 212 are used
The signal data that other units are communicated is controlled in storage control unit 210, i.e., for being simultaneously emitted by and receiving serial data.
Optionally, the 2nd TYPE-C modules 200 include at least two USB interfaces, and the USB interface can connect more
USB interface model, such as the interface of USB 1.0, USB 2.0 and 3.0 models of USB are planted, but is not limited only to these types of model
USB interface.
Optionally, refering to Fig. 3, the first signal conversion unit 220 can be PS176 chips.
The signal end of first signal conversion unit 220 may include the HDMI0P pins of PS176 chips, HDMI0N pins,
HDMI1P pins, HDMI1N pins, HDMI2P pins, HDMI2N pins, HDMICKP pins, HDMICKN pins, DDC_SCL draw
Foot, DDC_SDA pins and HDMI_HPD pins.
First output end of the first signal conversion unit 220 may include that DRX0P pins, the DRX0N of PS176 chips draw
Foot, DRX1P pins and DRX1N pins.
The second output terminal of first signal conversion unit 220 may include the AUXP pins of PS176 chips, AUXN pins and
DP_HPD pins.
In concrete application, when HDMI interface connects mobile device, such as display, HDMI interface detection high level are sent to
First high level signal of signal conversion unit 220 1, the first signal conversion unit 220 receive after high level signal to communication protocols
It discusses unit 250 and sends a reception signal, the reception signal is fed back to the second terminal by communication protocol unit 250 again
Interface, while EDID information is transmitted to second eventually by display by the first signal conversion unit 220 and communication protocol unit 250
The supply terminal of end interface connection, supply terminal exports according to EDID information and shows signal, and passes through the first signal conversion unit
220, which are converted to HDMI signals, exports to display.
It should be understood that in the present embodiment, PS176 chips are not the restriction to the first signal conversion unit 220, the first signal
Converting unit 220 can also be other chips that correlation function can be achieved.
Optionally, refering to Fig. 4, second signal converting unit 230 can be AU84612 chips.
First signal end of second signal converting unit 230 may include AU84612 chips SD0DATA0 pins,
SD0DATA1 pins, SD0DATA2 pins, SD0DATA3 pins, SD0CMD pins, SD0CLK pins, SD0CDN pins and
SD0WP pins.
The second signal end of second signal converting unit 230 may include that the uSD1CMD/M2DATA3 of AU84612 chips draws
Foot, uSD1DATA0/M2DATA2 pins, uSD1DATA1/M2DATA0 pins, SD1CDN pins, uSD1CLK pins,
USD1DATA2/M2BS pins and uSD1DATA3/M2CLK pins.
The output end of second signal converting unit 230 may include the SSTXM pins of AU84612 chips, SSTXP pins,
SSRXM pins, SSRXP pins, DP pins and DM pins.
In concrete application, when being inserted into SD or TF card, SD or TF card send CMD information to second signal converting unit 230, the
After binary signal converting unit 230 has detected that card insertion enters, clock signal and the second signal of the power supply microcontroller of SD or TF card turn
The clock signal for changing unit 230 is consistent, while the communications protocol of second signal converting unit 230 and SD or TF card reaches one
After cause, CMD information is sent to the supply of second terminal interface connection by control unit 210 by second signal converting unit 230
Terminal, the supply terminal carries out the transmission of data or video information according to the CMD information and SD or TF card, to realize number
According to function of exchange.
It should be understood that in the present embodiment, AU84612 chips are not the restriction to second signal converting unit 230, the second letter
Number converting unit 230 can also be other chips that correlation function can be achieved.
Optionally, SD interface can also be realize other interfaces of correlation function, such as MMC (Mutimedia Card, it is more
Media card) interface.
Refering to fig. 1, the 2nd TYPE-C modules 200 further include third signal conversion unit 240 and communication protocol unit 250.
First signal end of third signal conversion unit 240 is connect with the USB interface, third signal conversion unit 240
Second signal end connect with the 5th signal end of control unit 210, the third signal end of third signal conversion unit 240 with it is logical
Believe the first communication ends connection of protocol element 250.
Second communication ends of communication protocol unit 250 are connect with the second output terminal of the first signal conversion unit 220, communication
The third communication end of protocol element 250 is connect with the second terminal interface.
Optionally, refering to Fig. 5, third signal conversion unit 240 can be FE8.1 chips.
First signal end of third signal conversion unit 240 may include the DM3 pins and DP3 pins of FE8.1 chips.
The second signal end of third signal conversion unit 240 may include the DMU pins and REXT pins of FE8.1 chips.
The third signal end of third signal conversion unit 240 may include the DM2 pins and DP2 pins of FE8.1 chips.
Optionally, communication protocol unit 250 includes：Communications protocol subelement 251.
The first input end of communications protocol subelement 251 is connect with the first communication ends of communication protocol unit 250, communication association
Second input terminal of view subelement 251 is connect with the second communication ends of communication protocol unit 250, communications protocol subelement 251
Output end is connect with the third communication end of communication protocol unit 250.
Optionally, refering to Fig. 6, communications protocol subelement 251 can be VL103 chips.
The first input end of communications protocol subelement 251 may include：The DM_U pins and DP_U pins of VL103 chips.
Second input terminal of communications protocol subelement 251 may include：The AUX+ pins of VL103 chips, AUX- pins and
HPD pins.
The output end of communications protocol subelement 251 may include：SBU1 pins, SBU2 pins, the CC1 of VL103 chips draw
Foot and CC2 pins.
Wherein, the reset terminal of communication protocol unit 250 is connect with the reset terminal of communications protocol subelement 251, communications protocol
The reset terminal of subelement 251 includes the RESET_ pins of VL103 chips.
The clock end of communication protocol unit 250 is connect with the clock end of communications protocol subelement 251, communications protocol subelement
251 clock end includes the OSCXI pins and OSCXO pins of VL103 chips.
The storage end of communication protocol unit 250 is connect with the storage end of communications protocol subelement 251, communications protocol subelement
251 storage end includes SPI_CS_ pins, SPI_Q pins, SPI_D pins, SPI_CLK pins and the GPIO3 of VL103 chips
Pin.
Illustratively, the DM_U pins of VL103 chips are connect with the DM2 pins of FE8.1 chips, the DP_U of VL103 chips
Pin is connect with the DP2 pins of FE8.1 chips.
The AUX+ pins of VL103 chips are connect with the AUXP pins of PS176 chips, the AUX- pins of VL103 chips with
The AUXN pins of PS176 chips connect, and the HPD pins of VL103 chips are connect with the DP_HPD pins of PS176 chips.
In concrete application, communications protocol subelement 251 is used to connect with the mobile device for connecting USB interface and with second terminal
The supply terminal of mouth connection is communicated.When USB interface is connect with power demands equipment or charger, USB interface will power
The charge requirement signal that demand equipment or charger are sent is sent to communications protocol subelement by third signal conversion unit 240
251；Communications protocol subelement 251 supports the supply terminal that power demands equipment or charger are connect with second terminal interface to carry out
Charge requirement signal is sent to the supply terminal of second terminal interface connection by communication, i.e. communications protocol subelement 251, and supply is eventually
End according to charge requirement signal by communications protocol subelement 251 and third signal conversion unit 240 and power demands equipment or
Charger carries out electric energy transmission.And communication protocol unit 250 further includes built-in switch, and communications protocol subelement 251 is made to support USB
The cable turn over function of interface can pass through third signal conversion unit 240 with the mobile device for connecting USB interface, communication is assisted
The supply terminal that view subelement 251 is directly logged in and connect with second terminal interface.
It should be understood that in the present embodiment, VL103 chips are not the restriction to communications protocol subelement 251, communications protocol
Unit 251 can also be other chips that correlation function can be achieved.
Optionally, communication protocol unit 250 further includes：Reset subelement 252, storage of clock subelement 253 and second
Unit 254.
Subelement 252 is resetted to connect with the reset terminal of communication protocol unit 250；Clock subelement 253 and communication protocol list
The clock end connection of member 250；Second storing sub-units 254 are connect with the storage end of communication protocol unit 250.
Refering to Fig. 6, resetting subelement 252 includes：First resistor R20, second resistance R22 and the first capacitance C29.When described
When multifunctional signal conversion circuit powers on, resets subelement 252 and circuit is returned to state.
The first end of first resistor R20 and the reset terminal (the RESET pins of VL103 chips) of communications protocol subelement 251
Connection, the first end of first resistor R20 are also connect with the anode of the first capacitance C29, and the first end of first resistor R20 is also with second
The first end of resistance R22 connects, and the second end of first resistor R20 is connect with external power supply.
The cathode of first capacitance C29 and the second end of second resistance R22 are grounded.
Optionally, refering to Fig. 6, clock subelement 253 includes quartz oscillator X1, the second capacitance C27 and third electricity
Hold C30.Clock subelement 253 is used to be mutually converted in the state that crystal is in resonance in electric energy and mechanical energy, that is, carries
For the accurate single-frequency frequency of oscillation of stabilization, up to 24MHZ.
The first end of quartz oscillator X1 and the clock end (OSCXI of VL103 chips of communications protocol subelement 251
Pin) it connects, the first end of quartz oscillator X1 also passes through third capacitance C30 and is grounded；The of quartz oscillator X1
Two ends are grounded, the third end of quartz oscillator X1 and the clock end (OSCXO of VL103 chips of communications protocol subelement 251
Pin) connection, the third end of quartz oscillator X1 is also by the second capacitance C27 ground connection, and the of quartz oscillator X1
Four ends are grounded.
Optionally, refering to Fig. 6, the second storing sub-units 254 may include T25S40 chips, 3rd resistor R21 and the 4th
Capacitance C28.Second storing sub-units 254 are clock synchronous serial communication memories, for being simultaneously emitted by and receiving serial data.
Illustratively, the CS# pins of T25S40 chips are connect with the SPI_CS_ pins of the VL103 chips, T25S40 cores
The SPI_Q pins of the SO pins of piece and the VL103 chips, the SPI_D of the SI pins of T25S40 chips and the VL103 chips
Pin connects, and the SCLK pins of T25S40 chips are connect with the SPI_CLK pins of the VL103 chips, the WP# of T25S40 chips
Pin is connect with the GPIO3 pins of the VL103 chips, and the HOLD# pins of T25S40 chips pass through 3rd resistor R21 and the 4th
Capacitance C28 ground connection.
Optionally, the 2nd TYPE-C modules 200 further include：Fourth signal converting unit 260.
The input terminal of fourth signal converting unit 260 is connect with the 2nd TYPE-C interfaces, fourth signal converting unit
260 output end is connect with the third signal end of control unit 210.
Optionally, refering to Fig. 7, fourth signal converting unit 260 can be VL160 chips.
Illustratively, the RX_P pins of VL160 chips and the SSRX4+ pins of the VL817_QFN-76_Hub chips connect
It connects, the RX_N pins of VL160 chips are connect with the SSRX4- pins of the VL817_QFN-76_Hub chips, VL160 chips
TX_P pins are connect with the SSTX4+ pins of the VL817_QFN-76_Hub chips, the TX_N pins of VL160 chips with it is described
The SSTX4- pins of VL817_QFN-76_Hub chips connect.
Wherein, the TX1_P pins of VL160 chips, TX1_N pins, TX2_P pins, TX2_N pins, RX1_P pins,
The input terminal and the 2nd TYPE-C of RX1_N pins, RX2_P pins and RX2_N pins as fourth signal converting unit 260
Interface connects.
The USBHP4+ pins at the signal identification end and the VL817_QFN-76_Hub chips of the 2nd TYPE-C interfaces
It is connected with USBHP4- pins.
In concrete application, after the 2nd TYPE-C interfaces are connect with mobile device, the pid information of the mobile device is received,
It is sent to the supply terminal that the second terminal interface connects with control unit 220 by fourth signal converting unit 260, it is described
Supply terminal carries out the transmission of data or video information according to the mobile device that pid information is connect with the 2nd TYPE-C interfaces.
It should be understood that in the present embodiment, VL160 chips are not the restriction to fourth signal converting unit 260, fourth signal
Converting unit 260 can also be other chips that correlation function can be achieved.
In the present embodiment, the electric power of the first TYPE-C interface electricity needs equipment of the first TYPE-C modules 100
The supply terminal of desired signal, the first terminal interface connection of the first TYPE-C modules 100 passes through the according to power demand signal
One TYPE-C modules 100 are powered to electricity needs equipment；2nd TYPE-C modules 200 are connect by the 2nd TYPE-C interfaces and USB
Mouth receives the pid information of mobile device, and the EDID information of mobile device is received by HDMI, is connect by SD interface and TF card interface
The CMD information of mobile device is received, supply terminal passes through second according to the pid information of mobile device, EDID information or CMD information
TYPE-C modules 200 carry out data transmission with mobile device, realize the external expansion video and reading and writing data of double TYPE-C interfaces
Signal is converted, and the charge function of energy compatible with single TYPE-C interfaces, while also realizing that multiple types of data interface carries out data biography
It is defeated, meet the growing diversified demand of people.
Embodiment two
A kind of signal adapter, including shell and feature board are present embodiments provided, further includes as described in embodiment one
Any multifunctional signal conversion circuit, and with advantageous effect possessed by above-mentioned multifunctional signal conversion circuit.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (10)
1. a kind of multifunctional signal conversion circuit, which is characterized in that including：First TYPE-C modules and the 2nd TYPE-C modules；
The first TYPE-C modules include first terminal interface and the first TYPE-C interfaces；The first terminal interface be suitable for
Terminal connection is supplied, the first TYPE-C interfaces are suitable for connecting with electricity needs equipment；
The power demand signal of electricity needs equipment described in the first TYPE-C interfaces, the supply terminal is according to
Power demand signal is powered by the first TYPE-C modules to the electricity needs equipment；
The 2nd TYPE-C modules include second terminal interface, the 2nd TYPE-C interfaces, high-definition multimedia interface HDMI,
General-purpose serial bus USB interface, safe digital card SD interface and flash memory TF card interface；The second terminal interface is suitable for
It is connect with the supply terminal, the 2nd TYPE-C interfaces, the HDMI, the USB interface, the SD interface and the TF
Card interface is adapted to connect with mobile device；
The 2nd TYPE-C interfaces and the USB interface receive the data for process identification pid information of the mobile device, institute
The extending display identification data EDID information that HDMI receives the mobile device is stated, the SD interface and the TF card interface connect
The order CMD information of the mobile device is received, the supply terminal is according to the pid information, the EDID information or the CMD
Information is carried out data transmission by the 2nd TYPE-C modules with the mobile device.
2. multifunctional signal conversion circuit as described in claim 1, which is characterized in that the first TYPE-C modules are also wrapped
It includes：Flexible PCB FPC winding displacements；
The first terminal interface is connect by the FPC winding displacements with the first TYPE-C interfaces.
3. multifunctional signal conversion circuit as described in claim 1, which is characterized in that the 2nd TYPE-C modules further include
Control unit, the first signal conversion unit and second signal converting unit；
First signal end of described control unit is connect with the second terminal interface, the second signal end of described control unit with
The USB interface connection, the third signal end of described control unit are connect with the 2nd TYPE-C interfaces, described control unit
Fourth signal end connect with the output end of the second signal converting unit；
The signal end of first signal conversion unit is connect with the HDMI, the first output of first signal conversion unit
End is connect with the second terminal interface；
First signal end of the second signal converting unit is connect with the SD interface, and the of the second signal converting unit
Binary signal end is connect with the TF card interface.
4. multifunctional signal conversion circuit as claimed in claim 3, which is characterized in that described control unit includes：Signal control
Subunit；
The output end of the signal control subelement and the first signal end of described control unit connect, and signal control is single
The first input end of member and the second signal end of described control unit connect, the second input terminal of signal control subelement with
The third signal end of described control unit connects, and the of the third input terminal of the signal control subelement and described control unit
Four signal ends connect.
5. multifunctional signal conversion circuit as claimed in claim 3, which is characterized in that described control unit further includes：First
Storing sub-units；
The storage end of first storing sub-units and described control unit connects.
6. multifunctional signal conversion circuit as claimed in claim 3, which is characterized in that the 2nd TYPE-C modules further include
Third signal conversion unit and communication protocol unit；
First signal end of the third signal conversion unit is connect with the USB interface, the third signal conversion unit
5th signal end of second signal end and described control unit connects, the third signal end of the third signal conversion unit and institute
State the first communication ends connection of communication protocol unit；
Second communication ends of the communication protocol unit are connect with the second output terminal of first signal conversion unit, described logical
The third communication end of letter protocol element is connect with the second terminal interface.
7. multifunctional signal conversion circuit as claimed in claim 6, which is characterized in that the communication protocol unit includes：It is logical
Interrogate agreement subelement；
The first input end of the communications protocol subelement is connect with the first communication ends of the communication protocol unit, the communication
Second input terminal of agreement subelement is connect with the second communication ends of the communication protocol unit, the communications protocol subelement
Output end is connect with the third communication end of the communication protocol unit.
8. multifunctional signal conversion circuit as claimed in claim 6, which is characterized in that the communication protocol unit further includes：
Reset subelement, clock subelement and the second storing sub-units；
The reset subelement is connect with the reset terminal of the communication protocol unit；The clock subelement and the communication protocol
The clock end of unit connects；Second storing sub-units are connect with the storage end of the communication protocol unit.
9. multifunctional signal conversion circuit as claimed in claim 3, which is characterized in that the 2nd TYPE-C modules are also wrapped
It includes：Fourth signal converting unit；
The input terminal of the fourth signal converting unit is connect with the 2nd TYPE-C interfaces, the fourth signal converting unit
Output end and described control unit third signal end connect.
10. a kind of signal adapter, including shell and feature board, which is characterized in that further include being connect with feature board such as right
It is required that the multifunctional signal conversion circuit described in any one of 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820315772.8U CN207909114U (en) | 2018-03-07 | 2018-03-07 | Multifunctional signal conversion circuit and converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820315772.8U CN207909114U (en) | 2018-03-07 | 2018-03-07 | Multifunctional signal conversion circuit and converter |
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| Publication Number | Publication Date |
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| CN207909114U true CN207909114U (en) | 2018-09-25 |
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ID=63558785
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820315772.8U Active CN207909114U (en) | 2018-03-07 | 2018-03-07 | Multifunctional signal conversion circuit and converter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618672A (en) * | 2019-10-18 | 2019-12-27 | 深圳市道通科技股份有限公司 | Interface circuit and interface communication method and device thereof |
-
2018
- 2018-03-07 CN CN201820315772.8U patent/CN207909114U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618672A (en) * | 2019-10-18 | 2019-12-27 | 深圳市道通科技股份有限公司 | Interface circuit and interface communication method and device thereof |
| WO2021073480A1 (en) * | 2019-10-18 | 2021-04-22 | 深圳市道通科技股份有限公司 | Interface circuit and interface communication method and device thereof |
| US11989150B2 (en) | 2019-10-18 | 2024-05-21 | Autel Intelligent Technology Corp., Ltd. | Interface circuit, and method and apparatus for interface communication thereof |
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