CN210006034U - Card in-place detection device - Google Patents
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- CN210006034U CN210006034U CN201920485469.7U CN201920485469U CN210006034U CN 210006034 U CN210006034 U CN 210006034U CN 201920485469 U CN201920485469 U CN 201920485469U CN 210006034 U CN210006034 U CN 210006034U
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Abstract
The embodiment of the utility model provides a card is detection device on position, the device includes conversion module and control module, conversion module is equipped with a plurality of inputs, a plurality of inputs of conversion module when the card inserts with a plurality of signal end on position of card correspond and link to each other, conversion module's output with control module's detection end on position is connected, conversion module is used for when having at least appointed level signal in the signal of a plurality of signal end on position, to control module's detection end output indicating signal on position, the embodiment of the utility model provides an through conversion module can be when having at least appointed level signal in the signal of a plurality of signal end on position of input, to control module output indicating signal on position, only occupy control module's detection end on position and just can make control module realize the bit detection, can save control module's interface resource.
Description
Technical Field
The embodiment of the utility model provides a relate to computer technology field, especially, relate to cards detection device on throne.
Background
In order to expand the functions of devices such as a mobile terminal or a server, various cards, such as an identification card, a memory card, a sound card, a video card, etc., are often required to be accessed to a device motherboard.
The mainboard needs to detect whether the card is inserted into the screens. While some cards have multiple in-place signals, such as cards conforming to the OCP3.0 protocol, for cards with multiple in-place signals, the control chip needs multiple pins to connect to the in-place signal pins of the card, respectively, and detects the multiple in-place signals of the card to determine whether the card is inserted.
In the current card in-place detection mode, the number of pins used for detection by a control chip is equal to the number of in-place signals of a card, and more pin resources of the control chip can be occupied.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides an card detection device on throne to solve and carry out the problem that the detection on throne needs to occupy the more interface resource of control module to the card at present.
, the embodiment of the present invention provides a device for detecting the stuck position, which comprises a conversion module and a control module;
the conversion module is provided with a plurality of input ends, and the plurality of input ends of the conversion module are correspondingly connected with a plurality of in-place signal ends of the card when the card is inserted;
the conversion module is used for outputting an on-position indication signal to an on-position detection end of the control module when at least specified level signals exist in the signals of the plurality of on-position signal ends.
In possible implementations, the specified level signal and the in-bit indication signal are both low;
the conversion module comprises a plurality of diodes, the cathodes of the plurality of diodes are correspondingly connected with a plurality of input ends of the conversion module, and the anodes of the plurality of diodes are all connected with the output end of the conversion module;
and the diode is used for pulling down the output end of the conversion module into a low level signal when the corresponding input end of the conversion module is connected with the low level signal.
In possible embodiments, the conversion module is further provided with a control terminal, and the control module further comprises a switch control terminal;
the th control end of the conversion module is connected with the switch control end of the control module;
the switching module also comprises an th switching unit, wherein the th switching unit comprises a third control end and a plurality of switches, the ends of the switches of the th switching unit are correspondingly connected with the input ends of the switching module, the other ends of the switches of the th switching unit are correspondingly connected with the cathodes of the diodes, and the third control end of the th switching unit is connected with the th control end of the switching module;
and the th switch unit is used for switching the states of the switches according to the control signal sent by the control module.
In possible implementations, the specified level signal and the in-bit indication signal are both low;
the conversion module comprises th and th terminals, th and th terminals are provided with a plurality of input terminals, th and th terminals are correspondingly connected with th terminals of the conversion module, and th and th terminals are connected with output terminals of the conversion module;
the th and th nodes are configured to perform logical and processing on the level signals accessed by the plurality of input terminals of the conversion module, and output the processing result signals to the output terminal of the conversion module.
In possible embodiments, the conversion module is further provided with a second control terminal, and the control module further comprises a switch control terminal;
the second control end of the conversion module is connected with the switch control end of the control module;
the conversion module also comprises a second switch unit, wherein the second switch unit comprises a fourth control end and a plurality of switches, the ends of the switches of the second switch unit are correspondingly connected with the input ends of the conversion module, the other ends of the switches of the second switch unit are correspondingly connected with the input ends of the and ;
and the second switch unit is used for switching the states of the switches according to the control signal sent by the control module.
In possible implementations, the specified level signal is low, and the bit indication signal is high;
the conversion module comprises a second and and a non- , the second and is provided with a plurality of input ends, the plurality of input ends of the second and are correspondingly connected with the plurality of input ends of the conversion module, the output end of the second and is connected with the input end of the non- , and the output end of the non- is connected with the output end of the conversion module;
the second and is configured to logically and the level signals received by the plurality of input terminals of the conversion module, and output the processing result signal to the input terminal of the not ;
the inverter is configured to perform inversion processing on the processing result signal, and output the processing result signal after the inversion processing to an output end of the conversion module.
In possible embodiments, the apparatus further includes a card interface having a plurality of bit-in-place signals, where the plurality of bit-in-place signals of the card interface are correspondingly connected to the plurality of input terminals of the conversion module, and the plurality of bit-in-place signals of the card interface are correspondingly connected to the plurality of bit-in-place signals of the card when the card is inserted into the card interface.
In possible embodiments, the card further comprises a power module for supplying power to the card when the card is inserted, the power module being connected to the control module;
and the control module sends a power supply signal to the power supply module after receiving the in-place indication signal.
In possible embodiments, the control module comprises a control chip, wherein pins of the control chip are connected with the in-place detection terminal of the control module.
In possible embodiments, the device further comprises a communication module, wherein the communication module is connected with the control module;
and the communication module is used for receiving the in-place detection result sent by the control module and sending the in-place detection result to external equipment.
The embodiment of the utility model provides a card bit detection device, the device includes conversion module and control module, conversion module is equipped with a plurality of inputs, conversion module's a plurality of inputs correspond with a plurality of signal terminal on throne of card when the card inserts and link to each other, conversion module's output is connected with control module's the detection terminal on throne, conversion module is used for when having at least appointed level signal in a plurality of signals on throne of signal terminal, to control module's detection terminal output instruction signal on throne, the embodiment of the utility model provides a through conversion module can be when having at least appointed level signal in a plurality of signals on throne of signal terminal of input, to control module output instruction signal on throne, only occupy control module's detection terminals on throne and just can make control module realize the card bit detection, can save control module's interface resource.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a card position detecting device according to an embodiment of the present invention ;
fig. 2 is a schematic structural diagram of a card position detecting device according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a card position detecting device according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a card position detecting device according to another embodiment of the present invention at ;
fig. 5 is a schematic structural diagram of a card position detecting device according to a lower embodiment of the present invention;
fig. 6 is a schematic structural diagram of a card position detecting device according to still another embodiment of the present invention;
fig. 7 is a schematic structural diagram of a card position detecting device according to another embodiment of the present invention.
Description of reference numerals:
100: a conversion module;
110: a diode;
th switch unit;
130, th and th;
140: a second switching unit;
150: second and ;
160: non- ;
200: a control module;
300: a power supply module;
400: and a communication module.
Detailed Description
The technical solution in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of , but not all embodiments.
Furthermore, the terms "comprising" and "having" and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a series of steps or elements is not necessarily limited to the explicitly listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The technical solution of the present invention will be described in detail with specific examples. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.
Fig. 1 is a schematic structural diagram of a card position detection device according to an embodiment of the present invention , referring to fig. 1, the card position detection device provided in this embodiment includes a conversion module 100 and a control module 200.
The conversion module 100 has a plurality of inputs, the plurality of inputs of the conversion module 100 are correspondingly connected to the plurality of presence signal terminals of the card when the card is inserted, and the output of the conversion module 100 is connected to the presence detection terminal of the control module 200.
The conversion module 100 is configured to output a bit indication signal to the bit detection terminal of the control module 200 when at least specified level signals exist in the signals of the plurality of bit signal terminals.
The conversion module 100 is used for converting signals of a plurality of on-position signal terminals of the card into on-position indication signals and outputting the signals to the control module 200. optionally, the card can be inserted into a card slot or a card insertion interface, and a plurality of input terminals of the conversion module 100 are correspondingly connected with a plurality of on-position signal terminals of the card through the card slot or the card insertion interface.
The designated level signal may be a low level signal or a high level signal, but is not limited thereto, the inserted card is a card having a plurality of bit signal terminals, and at least of all the bit signal terminals of the card are designated electrical signals.
If no card is inserted, the signals accessed by the plurality of input terminals of the conversion module 100 are not the designated level signals, at this time, the conversion module 100 does not output the on-position indication signal to the control module 200, and the control module 200 does not receive the on-position indication signal and determines that the card is in the non-inserted state at this time.
The embodiment of the utility model provides a card bit detection device, the device includes conversion module 100 and control module 200, conversion module 100 is equipped with a plurality of inputs, a plurality of inputs of conversion module 100 are used for corresponding the linking with a plurality of signal terminal in place of card when the card inserts, conversion module 100's output is connected with control module 200's detection terminal in place, conversion module 100 exists at least appointed level signal in the signal of a plurality of signal terminals in place, to control module 200's detection terminal in place output instruction signal in place, the utility model discloses when the embodiment can exist at least appointed level signal in the signal of a plurality of signal terminals in place of input through conversion module 100, to control module 200 output instruction signal in place, only occupy detection terminals in place of control module 200 and just can make control module 200 realize the card bit detection, can save control module 200's interface resource.
Fig. 2 is a schematic structural diagram of a card bit detection device according to another embodiment of the present invention, referring to fig. 2, in possible implementations, both the designated level signal and the bit indication signal are at low level.
The conversion module 100 includes a plurality of diodes 110, cathodes of the plurality of diodes 110 are connected to the plurality of input terminals of the conversion module 100, anodes of the plurality of diodes 110 are connected to an output terminal of the conversion module 100, and an output terminal of the conversion module 100 is further connected to a positive power terminal.
The diode 110 is used to pull down the output terminal of the conversion module 100 to a low level signal when a corresponding input terminal of the conversion module 100 is connected to the low level signal.
In the present embodiment, the conversion module 100 includes diodes 110 equal to the number of input terminals of the conversion module 100 and equal to the number of on-bit signal terminals of the card, wherein the cathodes of diodes 110 are connected to the input terminal of the conversion module 100 corresponding to the diode, the anodes of all diodes 110 are connected to the output terminal of the conversion module 100, the output terminal of the conversion module 100 is respectively connected to the on-bit detection terminal and the positive power terminal of the control module 200, and the positive power terminal is used for providing a forward power voltage for the conduction of the diodes 110.
If no card is inserted, the cathodes of all the diodes 110 are not connected with a low level, all the diodes 110 are in an off state, the current cannot be conducted, the level of the output end of the conversion module 100 is the same as the level of the positive power end and is a high level, the on-position detection end of the control module 200 is a high level and is not an on-position indication signal, therefore, the control module 200 judges that no card is inserted at the moment, if a card is inserted, the cathodes of at least diodes 110 are connected with a low level signal, at least diodes 110 are in a conducting state, the level of the output end of the conversion module 100 is pulled down by the conducting diodes 110 and is changed into a low level, and the on-position detection end of the control module 200 is a low level, and the control module 200 receives the on-position indication signal and judges that the card is inserted at the moment.
The present embodiment utilizes the conduction characteristic of the diode 110, and transmits low-level signals to the control module 200 when the input terminal of the conversion module 100 has a low-level signal through the plurality of diodes 110, so that the control module 200 can implement the card-in-bit detection under the condition of only occupying 200 ports of the control module 200.
Fig. 3 is a schematic structural diagram of a card position detecting device according to another embodiment of the present invention, referring to fig. 3, in possible embodiments, the converting module 100 further includes a th control end, and the control module 200 further includes a switch control end.
The th control terminal of the conversion module 100 is connected to the switch control terminal of the control module 200.
The conversion module 100 further includes an th switching unit 120, the th switching unit 120 includes a third control terminal and a plurality of switches, a terminal of the plurality of switches of the th switching unit 120 is connected to the plurality of input terminals of the conversion module 100, and another terminal of the plurality of switches of the th switching unit 120 is connected to the cathodes of the plurality of diodes 110, and the third control terminal of the th switching unit 120 is connected to the th control terminal of the conversion module 100.
The th switch unit 120 is used to switch the state of each switch according to the control signal sent by the control module 200.
In this embodiment, the third control terminal of the th switch unit 120 may be the th control terminal of the switch module 100, or the third control terminal of the th switch unit 120 may be connected to the th control terminal of the switch module 100 through an electrical connection line, which is not limited herein, the switch control terminal of the control module 200 is configured to output a control signal to the th switch unit 120 in the switch module 100, the third control terminal of the th switch unit 120 is configured to access the control signal, the th switch unit 120 is capable of switching states of the switches included according to the control signal, and controlling the switches to be connected or disconnected, the terminals of the switches are connected to the input terminal corresponding to the switch in the switch module 100, and the terminal is connected to the cathode of the diode 110 corresponding to the switch.
Alternatively, the th switch unit 120 may have a plurality of third control terminals, each of which is connected to the switch and is used for receiving a control signal of the corresponding switch, for example, the th switch unit 120 includes four switches and four third control terminals, correspondingly, there are four control terminals of the switch module 100 and are respectively connected to the four third control terminals of the th switch unit 120, four control terminals of the control module 200 and are respectively connected to the four th control terminals of the switch module 100, and the control module 200 respectively controls the on/off states of the four switches of the th switch unit 120 by respectively outputting four control signals at the four control terminals.
The embodiment of the utility model provides a through add controllable switch unit 120 between conversion module 100 input and diode 110, make control module 200 can carry out on-off control to the detection branch road that each input of conversion module 100 corresponds, selectively detect the signal that conversion module 100 input is connected according to actual demand, thereby improve this card and put in place detection device's suitability, can be applicable to the card of multiple difference and detect the scene on the throne.
Fig. 4 is a schematic structural diagram of a card bit detection device according to another embodiment of the present invention at , referring to fig. 4, in possible implementations, both the designated level signal and the bit indication signal are at low level.
The conversion module 100 comprises th and 130 th input terminals, th and 130 th input terminals are provided, th and 130 th input terminals of 130 are connected with the input terminals of the conversion module 100, and th and 130 th output terminals are connected with the output terminals of the conversion module 100.
and 130, are used to perform logic and processing on the level signals accessed by multiple input terminals of the conversion module 100, and output the processing result signals to the output terminal of the conversion module 100.
In this embodiment, the th and 130 th input terminals are respectively connected to the th input terminals of the conversion module 100. the th and 130 th input terminals are configured to perform logical and operation on the level signals received from the input terminals of the conversion module 100, and output the processed level signals to the output terminal of the conversion module 100.
If no card is inserted, signals accessed from all input ends of and 130 are not low level, an output signal obtained after logic and operation processing is high level, the level of an output end of the conversion module 100 is high level, the level of an on-position detection end of the control module 200 is high level, and is not an on-position indication signal, so that the control module 200 judges that no card is inserted at the moment, if a card is inserted, at least signals accessed from the input ends of and 130 are low level, the output signal obtained after logic and operation processing is low level, the level of the output end of the conversion module 100 is low level, the level of the on-position detection end of the control module 200 is low level, and is an on-position indication signal, so that the control module 200 judges that the card is inserted at the moment.
The present embodiment utilizes the logical operation characteristic of the and , and by transmitting low level signals to the control module 200 when the and makes the input terminal of the conversion module 100 have low level signals, the control module 200 can implement the card bit detection under the condition of only occupying 200 ports of the control module 200.
Fig. 5 is a schematic structural diagram of a card position detecting device according to an embodiment of the present invention, referring to fig. 5, in possible embodiments, the converting module 100 further includes a second control end, and the control module 200 further includes a switch control end.
The second control terminal of the conversion module 100 is connected to the switch control terminal of the control module 200.
The conversion module 100 further includes a second switch unit 140, the second switch unit 140 includes a fourth control terminal and a plurality of switches, the terminals of the plurality of switches of the second switch unit 140 are correspondingly connected to the plurality of input terminals of the conversion module 100, the other terminals of the plurality of switches of the second switch unit 140 are correspondingly connected to the plurality of input terminals of the and 130, and the fourth control terminal of the second switch unit 140 is connected to the second control terminal of the conversion module 100.
The second switch unit 140 is configured to switch the states of the switches according to a control signal sent by the control module 200.
In this embodiment, the switch control terminal of the control module 200 is configured to output a control signal to the second switch unit 140 in the conversion module 100, the fourth control terminal of the second switch unit 140 is configured to access the control signal, the second switch unit 140 can perform state switching on the plurality of switches included in the conversion module according to the control signal, and control the connection or disconnection of each switch, the terminals of the switches are connected to the input terminal corresponding to the switch in the conversion module 100, and the terminal is connected to the and 130 input terminals corresponding to the switch.
The second switch unit 140 includes four switches and four fourth control terminals, correspondingly, there are four control terminals of the conversion module 100, and the four control terminals are correspondingly connected to the four fourth control terminals of the second switch unit 140, four control terminals of the control module 200 are correspondingly connected to the four control terminals of the conversion module 100, and the control module 200 respectively controls on-off states of the four switches in the second switch unit 140 by outputting four control signals at the four control terminals.
The embodiment of the utility model provides a through add controllable second switch unit 140 between conversion module 100 input and , make control module 200 can carry out on-off control to the detection branch road that each input of conversion module 100 corresponds, the signal that the detection conversion module 100 input is connected according to actual demand selectivity, thereby improve this card and put in place detection device's suitability, can be applicable to the card of multiple difference and detect the scene on the throne.
Fig. 6 is a schematic structural diagram of a card bit detection device according to still another embodiment of the present invention, referring to fig. 6, in possible implementations, the designated level signal is low, and the bit indication signal is high.
The conversion module 100 includes a second and 150 and a non- 160. the second and 150 has a plurality of inputs.a plurality of inputs of the second and 150 are connected to a plurality of inputs of the conversion module 100. the outputs of the second and 150 are connected to the inputs of the non- 160. the output of the non- 160 is connected to the output of the conversion module 100.
A second and 150, configured to logically and the level signals received by the multiple input terminals of the conversion module 100, and output the processing result signal to the input terminal of the not 160;
and a negation 160, configured to perform an inversion process on the processing result signal, and output the inverted processing result signal to the output terminal of the conversion module 100.
In this embodiment, the conversion module 100 includes a second and 150 and a non- 160, and the signals output by the second and 150 are processed by the non- 160 and then transmitted to the control module 200. if no card is inserted, the signal accessed at the on-site detection terminal of the control module 200 is a low level signal, and if a card is inserted, the signal accessed at the on-site detection terminal of the control module 200 is a high level signal.
The present embodiment can make the on-bit indication signal high by setting the non- 160, and make the on-bit indication signal not limited to the same level as the specified level signal, thereby increasing the applicability of the on-bit detection apparatus.
In , the apparatus further includes a card interface having a plurality of bit-in signals, the plurality of bit-in signals of the card interface being connected to the plurality of inputs of the conversion module 100, the plurality of bit-in signals of the card interface being adapted to be connected to the plurality of bit-in signals of the card when the card is inserted into the card interface.
In the present embodiment, the card insertion interface is an interface for card insertion. The card-inserting interface has a plurality of on-position signal bits, and when a card is inserted, the on-position signal terminal of the card can be connected with the input terminal of the conversion module 100 through the card-inserting interface. The on-site signal end of the card is more stably connected with the input end of the conversion module 100 by the arrangement of the card insertion interface, so that detection errors caused by unstable connection are avoided.
Fig. 7 is a schematic diagram of a card position detecting apparatus according to another embodiment of the present invention, referring to fig. 7, in possible embodiments, the apparatus further includes a power module 300, the power module 300 is used for supplying power to the card when the card is inserted, and the power module 300 is connected to the control module 200.
The control module 200 sends a power supply signal to the power module 300 after receiving the bit indication signal.
In this embodiment, the power module 300 is used to supply power to the card. When the control module 200 does not receive the on-position indication signal, the control module does not send a power supply signal to the power supply module 300, and at this time, the power supply circuit for supplying power to the card by the power supply module 300 is in a disconnected state, so that the disconnected circuit when no card is inserted can be ensured, the circuit connected with the card is prevented from being burnt, and the safety is improved. The control module 200 sends a power supply signal to the power module 300 when receiving the presence indication signal, and at this time, the power module 300 receives the power supply signal and then connects a power supply line for supplying power to the card.
In possible embodiments, the control module 200 includes a control chip, and pins of the control chip are connected to the in-place detection terminal of the control module 200.
In the embodiment, pins of the control chip are connected with the in-place detection end of the control module 200, the card in-place detection can be realized only through the pins of the control chip, and the pins of the control chip are saved.
Referring to fig. 7, in possible embodiments, the apparatus further comprises a communication module 400 the communication module 400 is coupled to the control module 200;
the control module 200 sends the in-place detection result through the communication module 400.
And a communication module 400, configured to receive the in-place detection result sent by the control module 200, and send the in-place detection result to an external device.
In the present embodiment, the in-place detection result is result information of in-place detection, and for example, the in-place detection result may include card insertion information and card non-insertion information. The control module 200 may transmit the result information of the presence detection to an external device through the communication module 400 in a wired communication manner or a wireless communication manner. The external device may be a terminal device such as a mobile phone and a computer, a master controller of a server, a display device for displaying a result, and the like, which is not limited herein. For example, the in-place retrieval result can be sent to a master controller of the server for storage in a wired communication mode, or sent to a display device for display; or the in-place retrieval result is sent to the mobile phone of the staff through a wireless communication mode so as to prompt the staff.
The embodiment of the utility model provides a card bit detection device, the device includes conversion module 100 and control module 200, conversion module 100 is equipped with a plurality of inputs, a plurality of inputs of conversion module 100 are used for corresponding the linking with a plurality of signal terminal in place of card when the card inserts, conversion module 100's output is connected with control module 200's detection terminal in place, conversion module 100 exists at least appointed level signal in the signal of a plurality of signal terminals in place, to control module 200's detection terminal in place output instruction signal in place, the utility model discloses when the embodiment can exist at least appointed level signal in the signal of a plurality of signal terminals in place of input through conversion module 100, to control module 200 output instruction signal in place, only occupy detection terminals in place of control module 200 and just can make control module 200 realize the card bit detection, can save control module 200's interface resource.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
- The card in-place detection device of is characterized by comprising a conversion module and a control module;the conversion module is provided with a plurality of input ends, and the plurality of input ends of the conversion module are correspondingly connected with a plurality of in-place signal ends of the card when the card is inserted;the conversion module is used for outputting an on-position indication signal to an on-position detection end of the control module when at least specified level signals exist in the signals of the plurality of on-position signal ends.
- 2. The card bit detection device according to claim 1, wherein the specified level signal and the bit-in-place indication signal are both low level;the conversion module comprises a plurality of diodes, the cathodes of the plurality of diodes are correspondingly connected with a plurality of input ends of the conversion module, and the anodes of the plurality of diodes are all connected with the output end of the conversion module;and the diode is used for pulling down the output end of the conversion module into a low level signal when the corresponding input end of the conversion module is connected with the low level signal.
- 3. The card position detection device according to claim 2, wherein the conversion module is further provided with a th control end, and the control module further comprises a switch control end;the th control end of the conversion module is connected with the switch control end of the control module;the switching module also comprises an th switching unit, wherein the th switching unit comprises a third control end and a plurality of switches, the ends of the switches of the th switching unit are correspondingly connected with the input ends of the switching module, the other ends of the switches of the th switching unit are correspondingly connected with the cathodes of the diodes, and the third control end of the th switching unit is connected with the th control end of the switching module;and the th switch unit is used for switching the states of the switches according to the control signal sent by the control module.
- 4. The card bit detection device according to claim 1, wherein the specified level signal and the bit-in-place indication signal are both low level;the conversion module comprises th and th terminals, th and th terminals are provided with a plurality of input terminals, th and th terminals are correspondingly connected with th terminals of the conversion module, and th and th terminals are connected with output terminals of the conversion module;the th and th nodes are configured to perform logical and processing on the level signals accessed by the plurality of input terminals of the conversion module, and output the processing result signals to the output terminal of the conversion module.
- 5. The card position detection device according to claim 4, wherein the conversion module is further provided with a second control end, and the control module further comprises: a switch control terminal;the second control end of the conversion module is connected with the switch control end of the control module;the conversion module also comprises a second switch unit, wherein the second switch unit comprises a fourth control end and a plurality of switches, the ends of the switches of the second switch unit are correspondingly connected with the input ends of the conversion module, the other ends of the switches of the second switch unit are correspondingly connected with the input ends of the and ;and the second switch unit is used for switching the states of the switches according to the control signal sent by the control module.
- 6. The card bit detection device as claimed in claim 1, wherein the specified level signal is a low level, and the bit indication signal is a high level;the conversion module comprises a second and and a non- , the second and is provided with a plurality of input ends, the plurality of input ends of the second and are correspondingly connected with the plurality of input ends of the conversion module, the output end of the second and is connected with the input end of the non- , and the output end of the non- is connected with the output end of the conversion module;the second and is configured to logically and the level signals received by the plurality of input terminals of the conversion module, and output the processing result signal to the input terminal of the not ;the inverter is configured to perform inversion processing on the processing result signal, and output the processing result signal after the inversion processing to an output end of the conversion module.
- 7. The card bit detection apparatus of claim 1, further comprising a card interface having a plurality of bit-in-place signals, wherein the plurality of bit-in-place signals of the card interface are connected to the plurality of inputs of the conversion module, and the plurality of bit-in-place signals of the card interface are connected to the plurality of bit-in-place signals of the card when the card is inserted into the card interface.
- 8. The card position detection device of claim 1, further comprising a power module for supplying power to the card when the card is inserted, the power module being connected to the control module;and the control module sends a power supply signal to the power supply module after receiving the in-place indication signal.
- 9. The card bit detection device of claim 1, wherein the control module comprises a control chip, and pins of the control chip are connected with the bit detection terminal of the control module.
- 10. The card position detecting device according to , further comprising a communication module, the communication module being connected to the control module;and the communication module is used for receiving the in-place detection result sent by the control module and sending the in-place detection result to external equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920485469.7U CN210006034U (en) | 2019-04-11 | 2019-04-11 | Card in-place detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920485469.7U CN210006034U (en) | 2019-04-11 | 2019-04-11 | Card in-place detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210006034U true CN210006034U (en) | 2020-01-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109976961A (en) * | 2019-04-11 | 2019-07-05 | 西安易朴通讯技术有限公司 | It is stuck in level detecting apparatus |
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