CN209562586U - A kind of communication switching unit and system of GPIB and TTL - Google Patents
A kind of communication switching unit and system of GPIB and TTL Download PDFInfo
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- CN209562586U CN209562586U CN201920037388.0U CN201920037388U CN209562586U CN 209562586 U CN209562586 U CN 209562586U CN 201920037388 U CN201920037388 U CN 201920037388U CN 209562586 U CN209562586 U CN 209562586U
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Abstract
A kind of communication switching unit and system of GPIB and TTL, including the first drive module, isolation module, control module, the second drive module and third drive module.The initial triggering signal that first drive module is sent according to automation equipment generates triggering amplified signal and generates control amplified signal according to control isolation signals and be sent to automation equipment, isolation module generates triggering isolation signals according to triggering amplified signal and generates control isolation signals according to original control signal, control module generates original triggering GPIB signal according to triggering isolation signals and generates original data signal and original control signal according to enhancing feedback GPIB signal, second drive module generates enhancing triggering GPIB signal so that test equipment carries out test and generates enhancing feedback GPIB signal according to the original feedback GPIB signal that test equipment is sent according to original triggering GPIB signal, third drive module generates data amplified signal according to original data signal and is sent to automation equipment, to real Communication between existing different agreement interface.
Description
Technical field
The utility model belongs to communication technique field more particularly to the communication switching unit and system of a kind of GPIB and TTL.
Background technique
IC (Integrated Circuit) test is called integrated circuit testing, in IC test production process, IC test
It is to ensure that the important link of product yield and cost control, very important effect is played in IC production process.IC is tested
Pith in integrated circuit production process, the main purpose of test are to guarantee that IC chip in the presence of a harsh environment can be completely real
The function and performance indicator of existing design specification book defined can all generate a series of test data per test together, due to surveying
Examination program is usually to be made of a series of test items, is sufficiently detected to chip, not only be may determine that in all its bearings
Whether chip performance complies with standard, if can enter market, and can be from the detailed data of test result sufficiently, quantitatively
Ground reflects every chips from structure, the various indexs of function to electrical characteristic.
But in IC production test procedure, integrated circuit test device is needed to be used cooperatively with automation equipment, cooperateed with
At production and test process.This requires two kinds of equipment rooms can carry out seamless communication connection, sector-specific integrated circuit testing
Equipment only has general purpose interface bus GPIB (General-Purpose Interface Bus) interface, and uses PLC
The automation equipment of (Programmable Logic Controller, programmable logic controller (PLC)) system control only has TTL
(Transistor Transistor Logic, transistor-transistor logic) communication interface.In actual production process, if
The two is used cooperatively, and can be existed because of the inconsistent problem without can be carried out communication of interface protocol.Influencing actual batch production makes
With.
Therefore, because of interface when being used cooperatively in traditional technical solution there are integrated circuit test device and automation equipment
Agreement it is inconsistent without can be carried out communication the problem of.
Utility model content
In view of this, the utility model embodiment provides the communication switching unit and system of a kind of GPIB and TTL, it is intended to
Solve integrated circuit test device present in traditional technical solution and when automation equipment is used cooperatively because of interface protocol not
Unanimously without can be carried out communication the problem of.
The first aspect of the utility model embodiment provides the communication switching unit of GPIB and TTL a kind of, comprising: is used for
Triggering amplified signal is generated according to the initial triggering signal that automation equipment is sent, and generates control according to control isolation signals and puts
Big signal and the first drive module for being sent to the automation equipment.
It is connect with first drive module, for generating triggering isolation signals, and root according to the triggering amplified signal
The isolation module of the control isolation signals is generated according to original control signal.
It is connect with the isolation module, for generating original triggering GPIB signal, and root according to the triggering isolation signals
The control module of original data signal and the original control signal is generated according to enhancing feedback GPIB signal.
It is connect with the control module, for generating enhancing triggering GPIB signal according to original triggering GPIB signal so as to survey
Examination equipment is tested, and generates the enhancing feedback GPIB letter according to the original feedback GPIB signal that the test equipment is sent
Number the second drive module.
It is connect with the control module, for generating data amplified signal according to the original data signal and being sent to institute
State the third drive module of automation equipment.
Optionally, the communication switching unit of the GPIB and TTL further include:
It is connect with the control module, the setup module of the parameter for the control module to be arranged.
Optionally, the communication switching unit of the GPIB and TTL further include:
It is connect with the control module, the display module of the working condition for showing the control module.
Optionally, the original triggering GPIB signal includes the original triggering GPIB signal of multiple sons, the enhancing triggering
GPIB letter includes that multiple sub- enhancings trigger GPIB signal, and the original feedback GPIB signal includes raw feedback data GPIB signal
Control GPIB signals with multiple sub- original feedbacks, the enhancing feedback GPIB signal include enhancing feedback data GPIB signal with
Multiple sub- enhancing feedback control G PIB signals, second drive module include multiple second driving units and data transmit-receive list
Member.
Second driving unit, which is used to generate the sub- enhancing according to the original triggering GPIB signal of the son, triggers GPIB
Signal, and the sub- enhancing feedback control G PIB signal is generated according to the sub- original feedback control GPIB signal.
The data transceiving unit is used to generate the enhancing feedback data according to the raw feedback data GPIB signal
GPIB signal.
Optionally, the second driving unit includes dual power supply bus transceiver.
First input/output terminal of the dual power supply bus transceiver is the original triggering of son of second driving unit
The son enhancing feedback control G PIB signal output end of GPIB signal input part and second driving unit.
Second input/output terminal of the dual power supply bus transceiver is the son enhancing triggering of second driving unit
The sub- original feedback of GPIB signal output end and second driving unit controls GPIB signal input part.
Optionally, the control module includes microprocessor.
Optionally, first drive module includes the first driver.
It is described that second input terminal of the first input end of first driver and first driver, which collectively forms,
The initial triggering signal input terminal of first drive module.
It is described that the second output terminal of first output end of first driver and first driver, which collectively forms,
The triggering amplified signal output end of first drive module.
It is described that 4th input terminal of the third input terminal of first driver and first driver, which collectively forms,
The control isolation signals input terminal of first drive module.
The third output end of first driver, first driver the 4th output end to collectively form be described
The control amplified signal output end of one drive module.
Optionally, the isolation module includes photoelectrical coupler.
The first anode of the photoelectrical coupler, the second plate of the photoelectrical coupler, the photoelectrical coupler
4th anode of three anodes and the photoelectrical coupler is connect with the first power supply.
First cathode of the photoelectrical coupler and the second cathode of the photoelectrical coupler collectively form as the isolation
The triggering amplified signal input terminal of module.
The third cathode of the photoelectrical coupler and the 4th cathode of the photoelectrical coupler collectively form as the isolation
The original control signal input terminal of module.
First collector of the photoelectrical coupler, the second collector of the photoelectrical coupler, the photoelectrical coupler
Third collector and the 4th collector of the photoelectrical coupler connect with first power supply.
It is described that first emitter of the photoelectrical coupler and the second emitter of the photoelectrical coupler, which collectively form,
The 4th of the triggering isolation signals output end of isolation module, the third emitter of the photoelectrical coupler and the photoelectrical coupler
The control isolation signals output end that emitter collectively forms as the isolation module.
The second aspect of the utility model embodiment provides the communication converting system of GPIB and TTL a kind of, including as above
State the communication switching unit of the GPIB and TTL.
The automation equipment is used to send the initial triggering signal, and according to the control amplified signal and the number
Test result is generated according to amplified signal.
The test equipment triggers GPIB signal according to the enhancing for receiving the enhancing triggering GPIB signal
It is tested to generate the original feedback GPIB signal.
The communication switching unit and system of above-mentioned GPIB and TTL, on the one hand by the first drive module according to automation
The initial triggering signal that equipment is sent generates triggering amplified signal, and isolation module generates triggering isolation letter according to triggering amplified signal
Number, control module generates original triggering GPIB signal according to triggering isolation signals, and the second drive module is according to original triggering GPIB
Signal generates enhancing triggering GPIB signal, and test equipment is tested according to enhancing triggering GPIB signal to generate original feedback
GPIB signal；On the other hand it is anti-enhancing to be generated according to the original feedback GPIB signal that test equipment is sent by the second drive module
GPIB signal is presented, control module generates original data signal and original control signal, isolation mode according to enhancing feedback GPIB signal
Root tuber generates control isolation signals according to original control signal, and the first drive module generates control amplification letter according to control isolation signals
Number and be sent to automation equipment, third drive module generates data amplified signal according to original data signal and is sent to automatic
Change equipment, automation equipment generates test result according to control amplified signal and data amplified signal, to realize integrated electricity
Connecting communication between road test equipment and automation equipment different agreement interface, efficiently solves equipment room mismatch problem, mentions
High utilization rate of equipment and installations reduces production cost.
Detailed description of the invention
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 is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the communication switching unit for GPIB and TTL that an embodiment of the present invention provides；
Fig. 2 is that a kind of another structure of the communication switching unit for GPIB and TTL that an embodiment of the present invention provides is shown
It is intended to；
Fig. 3 is that a kind of another structure of the communication switching unit for GPIB and TTL that an embodiment of the present invention provides is shown
It is intended to；
Fig. 4 is that a kind of second signal of the communication switching unit for GPIB and TTL that an embodiment of the present invention provides is driven
The electrical block diagram of moving cell；
Fig. 5 is a kind of the first driving mould of the communication switching unit for GPIB and TTL that an embodiment of the present invention provides
The electrical block diagram of block；
Fig. 6 is a kind of isolation module of the communication switching unit for GPIB and TTL that an embodiment of the present invention provides
Electrical block diagram；
Fig. 7 is a kind of structural schematic diagram of the communication converting system for GPIB and TTL that an embodiment of the present invention provides.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Referring to Fig. 1, a kind of structure of the communication switching unit 10 of GPIB and TTL provided by the embodiment of the utility model
Schematic diagram, for ease of description, only the parts related to this embodiment are shown, and details are as follows:
A kind of communication switching unit 10 of GPIB and TTL includes the first drive module 11, isolation module 12, control module
13, the second drive module 14 and third drive module 15.
The initial triggering signal that first drive module 11 is used to be sent according to automation equipment generates triggering amplified signal, and
Control amplified signal is generated according to control isolation signals and is sent to automation equipment.
In specific implementation, the first drive module 11 is TTL signal drive module.
Isolation module 12 is connect with the first drive module 11, for generating triggering isolation signals according to triggering amplified signal,
And control isolation signals are generated according to original control signal.
Control module 13 is connect with isolation module 12, for generating original triggering GPIB signal according to triggering isolation signals,
And original data signal and original control signal are generated according to enhancing feedback GPIB signal.
Second drive module 14 is connect with control module 13, for generating enhancing triggering according to original triggering GPIB signal
GPIB signal is so that test equipment is tested, and generates enhancing instead according to the original feedback GPIB signal that test equipment is sent
Present GPIB signal.
In specific implementation, the second drive module 14 is GPIB signal driver module.
Third drive module 15 is connect with control module 13, for generating data amplified signal simultaneously according to original data signal
It is sent to automation equipment.
On the one hand the present embodiment generates touching according to the initial triggering signal that automation equipment is sent by the first drive module
Amplified signal is sent out, isolation module generates triggering isolation signals according to triggering amplified signal, and control module is according to triggering isolation signals
Generate original triggering GPIB signal, the second drive module according to original triggering GPIB signal generate enhancing triggering GPIB signal with
Test test equipment；On the other hand the original feedback GPIB signal sent by the second drive module according to test equipment
Enhancing feedback GPIB signal is generated, control module generates original data signal according to enhancing feedback GPIB signal and original control is believed
Number, isolation module generates control isolation signals according to original control signal, and the first drive module is generated according to control isolation signals
It controls amplified signal and is sent to automation equipment, third drive module generates data amplified signal simultaneously according to original data signal
It is sent to automation equipment, so that the connection realized between integrated circuit test device and automation equipment different agreement interface is logical
News efficiently solve equipment room mismatch problem, improve utilization rate of equipment and installations, reduce production cost.
Referring to Fig. 2, in one embodiment, a kind of communication switching unit 10 of GPIB and TTL further includes setup module 16.
Setup module 16 is connect with control module 13, for the parameter of control module to be arranged.
In specific implementation, function setting is carried out by setup module 16.In actual integrated circuit testing procedure, need
Carry out various parameters setting, such as general purpose interface bus GPIB protocol interface communication parameter, TTL protocol interface station parameter etc..
Optionally, setup module 16 includes multidigit toggle switch, and toggle switch is also toggle switch, overclocking switch, address switch, moves with the hand
Switch, digital switch or thumb-acting switch are a address switches for being used to operate control, compile using 0/1 binary system
Code principle, therefore the setting of functional parameter can be realized by multidigit toggle switch, and then realize multi-functional setting.
Referring to Fig. 2, in one embodiment, a kind of communication switching unit 10 of GPIB and TTL further includes display module 17.
Display module 17 is connect with control module 13, the working condition for display control module 13.
In specific implementation, display module 17 may include LED multi-path (Light-Emitting-Diode light emitting diode),
One of LED charactrons or display screen.Pass through the work in 17 real-time display control module of display module, 13 course of work
State, working condition include operating mode, signal loading error occurring information, test mode etc., be easy to use during the test and
When find the problem and handle.
In one embodiment, control module 13 includes microprocessor.In specific implementation, microprocessor can be used non-volatile
Property, low cost programmable logic device, for storage inside double configuration flash memories, user's flash memory, immediately connect support,
The microprocessor of the characteristics such as integrated AD converter and the support of single-chip Nios II soft-core processor.Specific implementation
In, can by the data input/output terminal of microprocessor and isolation module 12, the second drive module 14, third drive module 15,
Setup module 16 and display module 17 connect, and realize communication and control function.
Referring to Fig. 3, in one embodiment, the second drive module 14 includes that data transceiving unit 141 and multiple second drive
Moving cell 142.
Original triggering GPIB signal includes the original triggering GPIB signal of multiple sons, and enhancing triggering GPIB letter includes multiple sub- increasings
Strong triggering GPIB signal, original feedback GPIB signal include raw feedback data GPIB signal and multiple sub- original feedback controls
GPIB signal, enhancing feedback GPIB signal include enhancing feedback data GPIB signal and multiple sub- enhancing feedback control G PIB letters
Number.
Data transceiving unit 141 is used to generate enhancing feedback data GPIB signal according to raw feedback data GPIB signal.
Second driving unit 142 is used to generate son enhancing triggering GPIB signal, and root according to the original triggering GPIB signal of son
Son enhancing feedback control G PIB signal is generated according to sub- original feedback control GPIB signal.
Referring to Fig. 4, in one embodiment, the second driving unit 142 includes dual power supply bus transceiver U4.
The first input/output terminal A of dual power supply bus transceiver U4 is the original triggering GPIB of son of the second driving unit 142
The son enhancing feedback control G PIB signal output end of signal input part and the second driving unit 142.
The second input/output terminal B of dual power supply bus transceiver U4 is the son enhancing triggering GPIB of the second driving unit 142
The sub- original feedback of signal output end and the second driving unit 142 controls GPIB signal input part.
In specific implementation, dual power supply bus transceiver U4 is the dual power supply bus transceiver of unit, and multiple second drivings are single
The dual power supply bus transceiver of unit identical with dual power supply bus transceiver U4 can be used in member 142.Since GPIB agreement connects
Message number needs at any time to switch over sense there are transmission directivity, while GPIB protocol interface both ends use difference
Level standard, and dual power supply bus transceiver U4 includes the two-way controllable electrical level transferring chip of a single channel, and double electricity can be used in device
Source is independently-powered, realizes level conversion, satisfies the use demand, and has with regard to wider voltage range, stronger driving capability.
8 dual power supply bus transceiver U3 can be used in data transceiving unit 141, and dual power supply bus transceiver U3's is more
The raw feedback data GPIB signal and enhancing feedback coefficient that a data input/output terminal collectively forms as data transceiving unit 141
According to the input/output terminal of GPIB signal.Dual power supply bus transceiver U3 passes through the data input/output terminal and micro process of microprocessor
Device connection, realizes the transmission of control signal and test data.
Referring to Fig. 5, in one embodiment, the first drive module 11 includes the first driver U1.
It is that the second input terminal 1A2 of the first input end IA1 of first driver U1 and the first driver U1, which is collectively formed,
The initial triggering signal input terminal of one drive module 11.
It is that the second output terminal 1Y2 of the first output end 1Y1 and the first driver U1 of first driver U1, which are collectively formed,
The triggering amplified signal output end of one drive module 11.
It is that the 4th input terminal 2A2 of the third input terminal 2A1 of first driver U1 and the first driver U1, which is collectively formed,
The control isolation signals input terminal of one drive module 11.
It is that the 4th output end 2Y2 of the third output end 2Y1 of first driver U1 and the first driver U1, which is collectively formed,
The control amplified signal output end of one drive module 11.
In specific implementation, the first input end 1A1 of the first driver U1 is connect with the first end of first resistor Rp1, and first
Second input terminal 1A2 of driver is connect with the first end of second resistance Rp2, the third input terminal 2A1 of the first driver and
The first end of three resistance Rp3 connects, and the 4th input terminal 2A2 of the first driver is connect with the first end of the 4th resistance Rp4, the
The second end of one resistance Rp1, the second end of second resistance Rp2, the second end of 3rd resistor Rp3 and the 4th resistance Rp4
Two ends are connect with second source 5V.The the first enable end 1G and the second enable end 2G of first driver U1 is connect with power ground GND,
The power end VCC of first driver U1 is connect with second source 5V, the ground terminal GND and power ground GND of the first driver U1 and
The first end of capacitor C1 connects, and the second end of capacitor C1 is connect with second source 5V.The first output end of first driver U1
1Y1 is connect with the first end of the 5th resistance Rp5, the first end of the second output terminal 1Y2 and the 6th resistance Rp6 of the first driver U1
Connection, the second end of the 5th resistance Rp5 and the second end of the 6th resistance Rp6 collectively form as the triggering of the first drive module 11
Amplified signal output end.First resistor Rp1, second resistance Rp2,3rd resistor Rp3, the 4th resistance Rp4, the 5th resistance Rp5 with
And the 6th resistance Rp6 rise partial pressure protective effects.
The third output end 2Y1 of first driver U1 is connect with the first end of the 7th resistance R1, and the of the first driver U1
Four output end 2Y2 are connect with the first end of the 8th resistance R2, and the second end of the 7th resistance R1 and the first end of the tenth resistance R4 connect
It connects, the second end of the 8th resistance R2 is connected with the first end of the 9th resistance R3, the second end and the 9th resistance R3 of the tenth resistance R4
Second end connect with power ground GND, it is first that the second end of the 7th resistance R1 and the second end of the 8th resistance R2, which collectively form,
The control amplified signal output end of drive module 11.7th resistance R1, the 8th resistance R2, the 9th resistance R3 and the tenth resistance R4
Play partial pressure protection.
First driver U1 be a high-speed cmos (Complementary Metal Oxide Semiconductor, mutually
Mend metal-oxide semiconductor (MOS)) device, its pin compatibility low-power consumption Schottky TTL (LSTTL) series is that eight road positives are slow
Device/line driver is rushed, there is ternary output, and each output end has stronger driving capability, in the weak feelings of input signal
Under condition, after the first driver U1, output signal can be enhanced, and output signal obtains enhancing and is embodied as low current
Input signal becomes the biggish signal output of electric current after the first driver U1.
Referring to Fig. 6, in one embodiment, isolation module 12 includes photoelectrical coupler U2.
The first anode of photoelectrical coupler U2, the second plate of photoelectrical coupler U2, photoelectrical coupler U2 third anode
And the 4th anode of photoelectrical coupler U2 is connect with the first power supply 3.3V.
The second common structure of cathode B_SOT_IN of the first cathode A_SOT_IN and photoelectrical coupler U2 of photoelectrical coupler U2
Triggering amplified signal input terminal as isolation module 12.
The 4th cathode EOT2 of the third cathode EOT1 and photoelectrical coupler U2 of photoelectrical coupler U2 collectively form as isolation
The original control signal input terminal of module 12.
The third of the first collector of photoelectrical coupler U2, the second collector of photoelectrical coupler U2, photoelectrical coupler U2
The 4th collector of collector and photoelectrical coupler U2 are connect with the first power supply 3.3V.
The second emitter SOT2 of the first emitter SOT1 and photoelectrical coupler U2 of photoelectrical coupler U2 collectively form for
The triggering isolation signals output end of isolation module 12, the third emitter A_EOT_OUT and photoelectrical coupler of photoelectrical coupler U2
The control isolation signals output end that the 4th emitter B_EOT_OUT of U2 collectively forms as isolation module 12.
In specific implementation, the first anode of photoelectrical coupler U2 is connect with the first end of resistance Rd, photoelectrical coupler U2's
Second plate is connect with the first end of resistance Rc, and the third anode of photoelectrical coupler U2 is connect with the first end of resistance Rb, photoelectricity
The 4th anode of coupler U2 is connect with the first end of resistance Ra, the second end of resistance Rd, the second end of resistance Rc, resistance Rb
Second end and the second end of resistance Ra connect with the first power supply 3.3V.
The first emitter SOT1 of photoelectrical coupler U2 is connect with the first end of resistance Re, and the second of photoelectrical coupler U2
Emitter SOT2 is connect with the first end of resistance Rf, and the of the third emitter A_EOT_OUT and resistance Rg of photoelectrical coupler U2
One end connection, the 4th emitter B_EOT_OUT of photoelectrical coupler U2 are connect with the first end of resistance Rh, and the second of resistance Re
The second end at end, the second end of resistance Rf, the second end of resistance Rg and resistance Rh is connect with power ground GND.Photoelectrical coupler
Each anode of U2 is connect after passing through series resistor with the first power supply 3.3V, and the resistance of concatenation can protect photoelectrical coupler U2, keep away
Exempt from photoelectrical coupler U2 and meets with high pressure damage.
The Phototube Coupling that signal is carried out using photoelectrical coupler U2 is driven by the signal from control module 13 and from first
The signal of dynamic model block 11 is isolated, and signal cross-talk is effectively prevented, and keeps system work more stable, is realized and is stablized, is effective
Drive TTL protocol interface signal.
It is described further below in conjunction with working principle to shown in fig. 4 to fig. 6:
First driver U1 generates triggering amplified signal, triggering amplification according to the initial triggering signal that automation equipment is sent
The second cathode B_SOT_IN of first cathode A_SOT_IN and photoelectrical coupler U2 of the signal through photoelectrical coupler U2 input photoelectricity
Coupler U2, photoelectrical coupler U2 generate triggering isolation signals according to triggering amplified signal, trigger isolation signals from photoelectric coupling
The second emitter SOT2 of the first emitter SOT1 and photoelectrical coupler U2 of device U2 are exported and the data input through microprocessor
Output end is transferred to microprocessor, and microprocessor carries out the conversion of GPIB and TTL interface protocol according to triggering isolation signals and generates original
Begin to trigger GPIB signal and export, original triggering GPIB signal includes the original triggering GPIB signal of multiple sons, multiple original touchings of son
It sends out GPIB signal and inputs multiple dual power supply bus transmitting-receivings by the first input/output terminal A of multiple dual power supply bus transceiver U4
Device U4, multiple dual power supply bus transceiver U4 generate multiple sub- enhancing triggering GPIB letters according to the original triggering GPIB signal of multiple sons
Number, wherein enhancing triggering GPIB letter includes that multiple sub- enhancings trigger GPIB signal, multiple sub- enhancing triggering GPIB signals are through excessive
The second input/output terminal B of a dual power supply bus transceiver U4 is exported to test equipment, and test equipment triggers GPIB according to enhancing
Signal is tested；Test equipment carries out Self -adaptive original feedback GPIB signal according to enhancing triggering GPIB signal, original anti-
Feedback GPIB signal includes raw feedback data GPIB signal and multiple sub- original feedback control GPIB signals, and multiple sons are original anti-
Feedback control GPIB signal is input to multiple dual power supply buses through the second input/output terminal B of multiple dual power supply bus transceiver U4 and receives
Device U4 is sent out, (A1 to A8) is transmitted to double electricity to input/output terminal of the raw feedback data GPIB signal through dual power supply bus transceiver U3
Source bus transceiver U3, multiple dual power supply bus transceiver U4 generate multiple sons according to multiple sub- original feedback control GPIB signals
Enhance feedback control G PIB signal, dual power supply bus transceiver U3 generates enhancing feedback coefficient according to raw feedback data GPIB signal
According to GPIB signal, wherein enhancing feedback GPIB signal includes enhancing feedback data GPIB signal and multiple sub- enhancing feedback controls
GPIB signal, enhancing input/output terminal of the feedback data GPIB signal through dual power supply bus transceiver U3, (B1 to B8) is exported and is passed through
The data input/output terminal of microprocessor is transferred to microprocessor, and multiple sub- enhancing feedback control G PIB signals are through multiple dual power supplies
The first input/output terminal A of bus transceiver U4 is exported and the data input/output terminal through microprocessor is transferred to microprocessor,
Microprocessor generates original data signal and original control signal according to enhancing feedback GPIB signal, and original control signal is through micro- place
Manage the data input/output terminal output of device and the 4th cathode of the third cathode EOT1 through photo-coupler U2 and photoelectrical coupler U2
EOT2 is transmitted to photo-coupler U2, and photo-coupler U2 generates control isolation signals according to original control signal, controls isolation signals
The 4th emitter B_EOT_OUT of third emitter A_EOT_OUT and photoelectrical coupler U2 through photo-coupler U2 are exported and are passed through
The 4th input terminal 2A2 of the third input terminal 2A1 of first driver U1 and the first driver U1 are transmitted to the first driver U1, the
One driver U1 according to control isolation signals generates control amplified signal and third output end 2Y1 through the first driver U1 and the
The 4th output end 2Y2 of one driver U1 is sent to automation equipment, and original data signal is defeated through the data input of microprocessor
Outlet output is simultaneously transferred to automation equipment through third drive module 15, and automation equipment is put according to control amplified signal and data
Big signal generates test result.To solve in integrated circuit testing procedure between distinct device because interface protocol it is inconsistent without
The problem of capable of communicating, makes equipment room realize seamless interfacing.Realize integrated circuit test device and automation equipment different agreement
Communicating with each other between interface, while can realize the batch automatic production of multiple test job positions, efficiently solve equipment room not
Matching problem improves utilization rate of equipment and installations, reduces production cost.
Referring to Fig. 7, the second aspect of the utility model embodiment provides the communication converting system of GPIB and TTL a kind of
100, the communication switching unit 10 including test equipment 101, automation equipment 102 and GPIB as described above and TTL.
Automation equipment 101 is used to send initial triggering signal, and raw according to control amplified signal and data amplified signal
At test result.
Test equipment 102 for receive enhancing triggering GPIB signal, and according to enhancing triggering GPIB signal tested with
Generate original feedback GPIB signal.
The communication switching unit of the present embodiment GPIB and TTL by detection automation equipment send using TTL agreement
Initial triggering signal, such as " beginning " signal, and the triggering that the initial triggering signal is generated after amplification and isolation is isolated
Signal is converted to GPIB protocol signal (i.e. enhancing triggering GPIB signal), sends test equipment to, test equipment is touched according to enhancing
Hair GPIB signal is tested and generates original feedback GPIB signal, and original feedback GPIB signal is transferred to by test equipment
Original feedback GPIB signal is converted into TTL association by the communication switching unit of the communication switching unit of GPIB and TTL, GPIB and TTL
View signal (i.e. control amplified signal and data amplified signal) simultaneously sends automation equipment to, and automation equipment is amplified according to control
Signal and data amplified signal generate test result, to solve in integrated circuit testing procedure between distinct device because interface is assisted
Discuss it is inconsistent and the problem of cannot communicate, so that equipment room is realized seamless interfacing.Realize integrated circuit test device and automation
Communicating with each other between equipment different agreement interface, while can realize the batch automatic production of multiple test job positions, effectively solve
It has determined equipment room mismatch problem, has improved utilization rate of equipment and installations, reduced production cost.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (9)
1. the communication switching unit of GPIB and TTL a kind of characterized by comprising
Initial triggering signal for being sent according to automation equipment generates triggering amplified signal, and raw according to control isolation signals
At control amplified signal and it is sent to the first drive module of the automation equipment；
It is connect with first drive module, for generating triggering isolation signals according to the triggering amplified signal, and according to original
Begin to control the isolation module that signal generates the control isolation signals；
It is connect with the isolation module, for generating original triggering GPIB signal according to the triggering isolation signals, and according to increasing
Strong feedback GPIB signal generates the control module of original data signal and the original control signal；
It is connect with the control module, for generating enhancing triggering GPIB signal according to original triggering GPIB signal so that test is set
It is standby to be tested, and the enhancing feedback GPIB signal is generated according to the original feedback GPIB signal that the test equipment is sent
Second drive module；
Connect with the control module, for according to the original data signal generate data amplified signal and be sent to it is described from
The third drive module of dynamicization equipment.
2. the communication switching unit of GPIB as described in claim 1 and TTL, which is characterized in that the communication of the GPIB and TTL
Conversion equipment further include:
It is connect with the control module, the setup module of the parameter for the control module to be arranged.
3. the communication switching unit of GPIB as described in claim 1 and TTL, which is characterized in that the communication of the GPIB and TTL
Conversion equipment further include:
It is connect with the control module, the display module of the working condition for showing the control module.
4. the communication switching unit of GPIB as described in claim 1 and TTL, which is characterized in that the original triggering GPIB letter
It number include the original triggering GPIB signal of multiple sons, enhancing triggering GPIB believes including multiple sub- enhancings triggering GPIB signals, institute
Stating original feedback GPIB signal includes raw feedback data GPIB signal and multiple sub- original feedback control GPIB signals, the increasing
Strong feedback GPIB signal includes enhancing feedback data GPIB signal and multiple sub- enhancing feedback control G PIB signals, and described second drives
Dynamic model block includes data transceiving unit and multiple second driving units；
The data transceiving unit is used to generate the enhancing feedback data GPIB according to the raw feedback data GPIB signal
Signal；
Second driving unit, which is used to generate the sub- enhancing according to the original triggering GPIB signal of the son, triggers GPIB signal,
And the sub- enhancing feedback control G PIB signal is generated according to the sub- original feedback control GPIB signal.
5. the communication switching unit of GPIB as claimed in claim 4 and TTL, which is characterized in that the second driving unit includes double
Power bus transceiver；
First input/output terminal of the dual power supply bus transceiver is the original triggering GPIB letter of son of second driving unit
The son enhancing feedback control G PIB signal output end of number input terminal and second driving unit；
Second input/output terminal of the dual power supply bus transceiver is the son enhancing triggering GPIB letter of second driving unit
The sub- original feedback of number output end and second driving unit controls GPIB signal input part.
6. the communication switching unit of GPIB as described in claim 1 and TTL, which is characterized in that the control module includes micro-
Processor.
7. the communication switching unit of GPIB as described in claim 1 and TTL, which is characterized in that the first drive module packet
Include the first driver；
It is described first that second input terminal of the first input end of first driver and first driver, which collectively forms,
The initial triggering signal input terminal of drive module；
It is described first that the second output terminal of first output end of first driver and first driver, which collectively forms,
The triggering amplified signal output end of drive module；
It is described first that 4th input terminal of the third input terminal of first driver and first driver, which collectively forms,
The control isolation signals input terminal of drive module；
It is described first that 4th output end of the third output end of first driver and first driver, which collectively forms,
The control amplified signal output end of drive module.
8. the communication switching unit of GPIB as described in claim 1 and TTL, which is characterized in that the isolation module includes light
Electric coupler；
The first anode of the photoelectrical coupler, the second plate of the photoelectrical coupler, the third of the photoelectrical coupler are positive
4th anode of pole and the photoelectrical coupler is connect with the first power supply；
First cathode of the photoelectrical coupler and the second cathode of the photoelectrical coupler collectively form as the isolation module
Triggering amplified signal input terminal；
The third cathode of the photoelectrical coupler and the 4th cathode of the photoelectrical coupler collectively form as the isolation module
Original control signal input terminal；
First collector of the photoelectrical coupler, the second collector of the photoelectrical coupler, the photoelectrical coupler
4th collector of three collectors and the photoelectrical coupler is connect with first power supply；
First emitter of the photoelectrical coupler and the second emitter of the photoelectrical coupler collectively form as the isolation
The triggering isolation signals output end of module, the 4th transmitting of the third emitter and the photoelectrical coupler of the photoelectrical coupler
The control isolation signals output end that pole collectively forms as the isolation module.
9. the communication converting system of GPIB and TTL a kind of, which is characterized in that including GPIB as described in any of the claims 1 to 8
With the communication switching unit of TTL；
The automation equipment is put for sending the initial triggering signal according to the control amplified signal and the data
Big signal generates test result；
The test equipment triggers GPIB signal according to the enhancing and is surveyed for receiving the enhancing triggering GPIB signal
Examination is to generate the original feedback GPIB signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920037388.0U CN209562586U (en) | 2019-01-08 | 2019-01-08 | A kind of communication switching unit and system of GPIB and TTL |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920037388.0U CN209562586U (en) | 2019-01-08 | 2019-01-08 | A kind of communication switching unit and system of GPIB and TTL |
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| CN209562586U true CN209562586U (en) | 2019-10-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI787854B (en) * | 2020-07-21 | 2022-12-21 | 日商愛德萬測試股份有限公司 | Automated test equipment, method and computer program using a trigger generation |
-
2019
- 2019-01-08 CN CN201920037388.0U patent/CN209562586U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI787854B (en) * | 2020-07-21 | 2022-12-21 | 日商愛德萬測試股份有限公司 | Automated test equipment, method and computer program using a trigger generation |
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