CN219574653U

CN219574653U - Input/output module structure based on semiconductor equipment

Info

Publication number: CN219574653U
Application number: CN202320864622.3U
Authority: CN
Inventors: 方亮
Original assignee: Wuxi Yubang Semiconductor Technology Co ltd
Current assignee: Wuxi Yubang Semiconductor Technology Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-08-22
Anticipated expiration: 2033-04-18

Abstract

The utility model relates to the field of semiconductor equipment, and particularly discloses an input/output module structure based on semiconductor equipment, which comprises the following components: the circuit board comprises a protective shell and a circuit board, wherein a plugging plate is arranged at one end of the protective shell, a first mounting plate is connected to the inner side of the protective shell in a sliding manner, a second mounting plate is arranged at the upper end of the first mounting plate through screws, and the left end and the right end of the circuit board are respectively positioned between the first mounting plate and the second mounting plate; the circuit board is respectively and electrically connected with a bus signal receiving module, a logic control module, a signal processing module, an isolation module and an input/output serial port, and the control function of the input/output module is completed by taking the logic control module as a core and matching the bus signal receiving module, the signal processing module, the isolation module, the input/output serial port and the like, so that the original input/output module is replaced, and the localization of the input/output module is realized.

Description

Input/output module structure based on semiconductor equipment

Technical Field

The utility model relates to the field of semiconductor equipment, in particular to an input/output module structure based on semiconductor equipment.

Background

Based on the input/output module of the semiconductor device, which can be used by a user to receive various information from the bus and to determine the state of the line output value by reading at high and low levels, the module has 48I/O lines, any of which can be used as input or output, each line having an LED associated therewith for displaying the state of the line.

The absence of a simple module in the semiconductor processing industry can have serious consequences and can even stop the entire production process, resulting in unpredictable losses.

Disclosure of Invention

The utility model aims to provide an input/output module structure based on semiconductor equipment, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an input-output module structure based on a semiconductor device, comprising: the circuit board comprises a protective shell and a circuit board, wherein a plugging plate is arranged at one end of the protective shell, a first mounting plate is connected to the inner side of the protective shell in a sliding manner, a second mounting plate is arranged at the upper end of the first mounting plate through screws, and the left end and the right end of the circuit board are respectively positioned between the first mounting plate and the second mounting plate;

the circuit board is electrically connected with a bus signal receiving module, a logic control module, a signal processing module, an isolation module and an input/output serial port respectively.

Preferably, the inner walls of the left end and the right end of the protective shell are provided with inserting grooves.

Preferably, one end of the first mounting plate is slidably inserted into the inserting groove, the buffer pads are fixedly mounted on the upper side of the other end of the first mounting plate and the side wall of the lower end of the second mounting plate, and the left end and the right end of the circuit board are clamped in the two buffer pads.

Preferably, the bus signal receiving module is a programmable logic device, a voltage comparator and two buffers.

Preferably, the logic control module consists of a logic chip, an 8-bit parallel output serial shift register and three multiplexers, and is responsible for logic judgment of signals.

Preferably, the signal processing module consists of six triggers and six buffers, and is used for signal processing and input and output.

Preferably, the isolation modules are located at the upper side and the lower side of the signal processing module and are composed of 48 photoelectric couplers, and are used for isolating the signal processing module from other modules and preventing the other modules from interfering the signal processing module.

Preferably, the input/output serial port has a serial port with 48 pins, any one of which can be used as input or output, each I/O line used is bidirectional, configured as input or output by software, the output driver is turned off when the line is used as input, the external device drives the line, and the input circuit remains active when the line is used as output, and can be used for reading back the output state.

Compared with the prior art, the utility model has the beneficial effects that:

1. the control function of the input/output module is completed by taking the logic control module as a core and matching the bus signal receiving module, the signal processing module, the isolation module, the input/output serial port and the like, so that the original input/output module is replaced, and the localization of the input/output module is realized;

2. the method can lead the modules which are needed to depend on import to be localized, reduce the production cost and improve the production efficiency.

Drawings

FIG. 1 is a schematic diagram of the internal structure of a protective shell according to the present utility model;

FIG. 2 is a schematic diagram of the overall structure of the present utility model;

fig. 3 is a flow chart of the present utility model.

In the figure: 1. a protective shell; 2. a plugging plate; 3. a plug-in groove; 4. a first mounting plate; 5. a second mounting plate; 6. a cushion pad; 7. a circuit board; 8. a bus signal receiving module; 9. a logic control module; 10. a signal processing module; 11. an isolation module; 12. and an input/output serial port.

Detailed Description

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: an input-output module structure based on a semiconductor device, comprising: the circuit board protection device comprises a protection shell 1 and a circuit board 7, wherein a plugging plate 2 is arranged at one end of the protection shell 1, a mounting plate I4 is slidably connected to the inner side of the protection shell 1, a mounting plate II 5 is arranged at the upper end of the mounting plate I4 through bolts, the left end and the right end of the circuit board 7 are respectively positioned between the mounting plate I4 and the mounting plate II 5, inserting grooves 3 are respectively formed in the inner walls of the left end and the right end of the protection shell 1, one end of the mounting plate I4 is slidably inserted into the inserting grooves 3, buffer pads 6 are fixedly arranged on the upper side of the other end of the mounting plate I4 and the side wall of the lower end of the mounting plate II 5, the left end and the right end of the circuit board 7 are clamped in the two buffer pads 6, the plugging plate 2 is arranged at one end of the protection shell 1, and the circuit board 7 is arranged in the protection shell 1 to protect the circuit board 7;

the circuit board 7 is electrically connected with a bus signal receiving module 8, a logic control module 9, a signal processing module 10, an isolation module 11 and an input/output serial port 12 respectively.

The bus signal receiving module 8 is a programmable logic device, a voltage comparator and two buffers, the logic control module 9 is composed of a logic chip, an 8-bit parallel output serial shift register and three multiplexers, and is responsible for logic judgment of signals.

The signal processing module 10 is composed of six triggers and six buffers for signal processing and input and output, the isolation module 11 is located at the upper side and the lower side of the signal processing module 10, and is composed of 48 photoelectric couplers for isolating the signal processing module 10 from other modules and preventing the other modules from interfering the signal processing module 10.

The input/output serial port 12 has a serial port of 48 pins, any of which can be used as input or output, each I/O line used is bidirectional, configured as input or output by software, the output driver is turned off when the line is used as input, the external device drives the line, and the input circuit remains active when the line is used as output, and can be used to read back the output state.

In actual use, the circuit board 7 is operated when being connected to a main board or an expansion bus main board, and in a VME mode, the circuit board behaves like a standard VME board; in the bus expansion mode, the bus signal is referenced in different modes to match an expansion bus interface, and after the bus signal receiving module 8 is accessed into the equipment, the I/O and input of the logic chip is internally pulled up; the signal of the voltage comparator goes from P to Q and is output through a serial port; the two buffers are responsible for collecting and temporarily storing all signals on the main line, transmitting the signals to the signal processing module 10 through two signal lines of the LDB15 and the LDB7, and controlling a reset circuit through one buffer by the LDB 15; after the signals of the LDB15 and the LDB7 are transmitted to the signal processing module 10, one trigger and one buffer are divided into six groups to process the signals; the signals are processed and then input and output through the isolation module 11 instead of being directly input and output, so that the influence of other signals on the signal processing module 10 is avoided; finally, the signals are output through the input/output serial ports 12, and there are 6 groups of input/output serial ports 12, each group has 8 bidirectional I/O serial ports, and there are 48 bidirectional I/O serial ports, and these serial ports are configured by software to be input or output, when the circuit is used as input, the output driver is closed, the external device drives the circuit, when the circuit is used as output, the input circuit is kept in an active state, and can be used for reading back the output state.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An input-output module structure based on a semiconductor device, comprising: protective housing (1) and circuit board (7), shutoff board (2), its characterized in that are installed to one end of protective housing (1): the inner side of the protective shell (1) is connected with a first mounting plate (4) in a sliding manner, the upper end of the first mounting plate (4) is provided with a second mounting plate (5) through screws, and the left end and the right end of a circuit board (7) are both positioned between the first mounting plate (4) and the second mounting plate (5);

the circuit board (7) is respectively and electrically connected with a bus signal receiving module (8), a logic control module (9), a signal processing module (10), an isolation module (11) and an input/output serial port (12).

2. The semiconductor device-based input-output module structure according to claim 1, wherein: the inner walls of the left end and the right end of the protective shell (1) are respectively provided with a splicing groove (3).

3. The semiconductor device-based input-output module structure according to claim 2, wherein: one end of the first mounting plate (4) is slidably inserted into the inserting groove (3), the buffer pads (6) are fixedly mounted on the upper side of the other end of the first mounting plate (4) and the side wall of the lower end of the second mounting plate (5), and the left end and the right end of the circuit board (7) are clamped in the two buffer pads (6).

4. The semiconductor device-based input-output module structure according to claim 1, wherein: the bus signal receiving module (8) is a programmable logic device, a voltage comparator and two buffers.

5. The semiconductor device-based input-output module structure according to claim 1, wherein: the logic control module (9) consists of a logic chip, an 8-bit parallel output serial shift register and three multiplexers, and is responsible for logic judgment of signals.

6. The semiconductor device-based input-output module structure according to claim 1, wherein: the signal processing module (10) consists of six triggers and six buffers and is used for signal processing and input and output.

7. The semiconductor device-based input-output module structure according to claim 1, wherein: the isolation modules (11) are positioned on the upper side and the lower side of the signal processing module (10) and are composed of 48 photoelectric couplers.

8. The semiconductor device-based input-output module structure according to claim 1, wherein: the input/output serial port (12) has a serial port with 48 pins, any one of which can be used as input or output, each I/O line used is bidirectional, the input or output is configured by software, an output driver is closed when a line is used as input, an external device drives the line, and when the line is used as output, an input circuit is kept in an active state and can be used for reading back the output state.