CN208283770U - Touch-control MCU simulator based on FPGA - Google Patents

Abstract

The utility model provides a kind of touch-control MCU simulator based on FPGA, comprising: computer；Data conversion plate；FPGA module；And touch chip；Wherein, the first port of data conversion plate is electrically connected with the ide interface of computer, first output end of data conversion plate is electrically connected with the first input end of FPGA module, the first input port of data conversion plate is electrically connected with the first output end of FPGA module, the second output terminal of FPGA module is electrically connected with the first input end of touch chip, second input terminal of FPGA module is electrically connected with the first output end of touch chip, the second output terminal of touch chip is electrically connected with the first input end of Target Board, second input terminal of touch chip is electrically connected with the first output end of Target Board, the program development difficulty of touch-control MCU chip can be reduced.

Description

Touch-control MCU simulator based on FPGA

Technical field

The utility model relates to technical field of integrated circuits, in particular to a kind of touch-control MCU simulator based on FPGA.

Background technique

With the continuous improvement of integrated circuit technology, touch-control micro-control unit (MCU, Micro controller Unit) The application of chip is more and more wider, small to arrive toy for children, arrives engineering machinery greatly, requires to use touch-control MCU chip.And with market The increase of demand, market competition is increasing, and the demand so as to cause market to low cost is also increasing.Current a large amount of touch-controls MCU chip is to reduce cost and debugging system on non-integration slice, high so as to cause the program development difficulty of touch-control MCU chip.

Utility model content

The utility model provides a kind of touch-control MCU simulator based on FPGA, and its purpose is to solve touch-control MCU The high problem of the program development difficulty of chip.

In order to achieve the above object, the embodiments of the present invention provide a kind of touch-control MCU emulation dress based on FPGA It sets, comprising:

Computer；Data conversion plate；FPGA module；And touch chip；

Wherein, the first port of data conversion plate is electrically connected with the ide interface of computer, the first output of data conversion plate End is electrically connected with the first input end of FPGA module, the first input port of data conversion plate and the first output end of FPGA module Electrical connection, the second output terminal of FPGA module are electrically connected with the first input end of touch chip, the second input terminal of FPGA module It being electrically connected with the first output end of touch chip, the second output terminal of touch chip is electrically connected with the first input end of Target Board, Second input terminal of touch chip is electrically connected with the first output end of Target Board.

Optionally, the third output end of FPGA module is electrically connected with the second input terminal of Target Board.

Optionally, the third input terminal of FPGA module is electrically connected with the second output terminal of Target Board.

Optionally, the model EP4CE75 of FPGA module.

The above scheme of the utility model have it is following the utility model has the advantages that

In the embodiments of the present invention, by all logics of FPGA module simulated implementation touch-control MCU chip and its Its IO control function, while the touch-control analog circuit function of touch-control MCU chip is realized by touch chip and obtains analog circuit To data be transferred to FPGA module, after handling FPGA module to the data output to computer, to enable users to The debugging situation of touch-control MCU chip is quickly understood from computer, shortens the program development time of touch-control MCU chip, reduces touching Control the program development difficulty of MCU chip.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the touch-control MCU simulator in the utility model specific embodiment based on FPGA.

[description of symbols]

1, computer；2, data conversion plate；3, FPGA module；4, touch chip；5, Target Board.

Specific embodiment

The exemplary embodiment of the utility model is more fully described below with reference to accompanying drawings.Although showing this in attached drawing The exemplary embodiment of utility model, it being understood, however, that may be realized in various forms the utility model without should be by here The embodiment of elaboration is limited.It is to be able to thoroughly understand the utility model, and energy on the contrary, providing these embodiments It is enough to be fully disclosed to those skilled in the art the scope of the utility model.

As shown in Figure 1, specific embodiment of the utility model provides a kind of touch-control MCU simulator based on FPGA, It include: computer 1；Data conversion plate 2；FPGA module 3；And touch chip 4.Wherein, the first port of data conversion plate 2 with The ide interface of computer 1 is electrically connected, and the first output end of data conversion plate 2 is electrically connected with the first input end of FPGA module 3, The first input port of data conversion plate 2 is electrically connected with the first output end of FPGA module 3, the second output terminal of FPGA module 3 It is electrically connected with the first input end of touch chip 4, the second input terminal of FPGA module 3 and the first output end electricity of touch chip 4 Connection, the second output terminal of touch chip 4 is electrically connected with the first input end of Target Board 5, the second input terminal of touch chip 4 and First output end of Target Board 5 is electrically connected.

Wherein, in specific embodiment of the utility model, it is previously stored with configuration information in above-mentioned FPGA module 3, is made The FPGA module 3 is able to achieve all logics and other IO control functions of touch-control MCU chip, to simulate to touch-control MCU chip Debugging.And in this as a preferred example, the model EP4CE75 of above-mentioned FPGA module 3, so that it is guaranteed that FPGA module 3 can fast implement above-mentioned function, it is of course possible to which understanding does not limit above-mentioned in specific embodiment of the utility model The concrete model of FPGA module 3.And it should be noted that FPGA module 3 realizes corresponding logic according to the configuration information of storage Belong to the function that FPGA module 3 has in itself with control function.

In addition, above-mentioned touch chip 4 is able to achieve the touch-control analog circuit function of touch-control MCU chip, it is mainly used for basis The unlatching for the control data control touch function that FPGA module 3 exports (ensures that touch chip 4 can receive touch-control by Target Board 5 The change of parameter, and convert touch data), and the touch data converted is exported to FPGA module 3, so that FPGA Module 3 can carry out logical process to the touch data using pre-stored configuration information, and processing result is exported to calculating Machine 1 enables users to the debugging situation that touch-control MCU chip is quickly understood from computer 1, and the program for shortening touch-control MCU chip is opened The time is sent out, the program development difficulty of touch-control MCU chip is reduced.In this as a preferred example, above-mentioned touch chip 4 can be with With the same model of touch chip to be debugged.

Wherein, in specific embodiment of the utility model, the software set development environment (IDE) of above-mentioned computer 1 is User debugs window when touch-control MCU chip, and the debugging result of touch-control MCU chip is checked convenient for user.It will be understood It is that the IDE of computer 1 is also convenient for user query debugging mode information, so that user understands the specific debugging feelings of touch-control MCU chip Condition.

Wherein, in specific embodiment of the utility model, above-mentioned data conversion plate 2 be computer 1 and FPGA module 3 it Between communication bridge, be responsible for exporting the data that computer 1 exports to FPGA module 3, and the data that FPGA module 3 is returned are defeated Out to computer 1, it is ensured that data transmission can be normally carried out between computer 1 and FPGA module 3, can identify that other side exports each other Data, and then ensure debug can normally complete.And as a preferred example, above-mentioned data conversion plate 2 can be general Universal serial bus to field programmable gate array (USB to FPGA) plate, so that it is guaranteed that computer 1 and FPGA module 3 can normally into The transmission of row data.

In addition, above-mentioned Target Board 5 is user's actual use using plate (example in specific embodiment of the utility model Such as the control panel of refrigerator touch controlled key), and touch-control MCU chip to be debugged is a part using plate, that is, user can pass through The touchpad of finger contact target plate 5 changes touch parameter, and touch chip 4 converts touch-control number according to the change of touch parameter According to.

Optionally, in specific embodiment of the utility model, the third output end and Target Board 5 of above-mentioned FPGA module 3 The electrical connection of the second input terminal, so that FPGA module 3 controls the partial circuit work of Target Board 5, such as indicator light lights, with Just prompt Target Board 5 is in running order.

Optionally, in specific embodiment of the utility model, the third input terminal and Target Board 5 of above-mentioned FPGA module 3 Second output terminal electrical connection, so that FPGA module 3 is after the partial circuit work of control Target Board 5, Target Board 5 is to FPGA mould 3 returning response message of block, such as indicator light have been lighted.

It can be seen that passing through 3 simulated implementation touch-control MCU chip of FPGA module in specific embodiment of the utility model All logics and other IO control functions, while by touch chip 4 realize touch-control MCU chip touch-control analog circuit function And the data for obtaining analog circuit are transferred to FPGA module 3, output is to calculating after handling FPGA module 3 to the data Machine 1 shortens the journey of touch-control MCU chip to enable users to the debugging situation for quickly understanding touch-control MCU chip from computer 1 The sequence development time reduces the program development difficulty of touch-control MCU chip.

The above is preferred embodiments of the present invention, it is noted that for the ordinary skill of the art For personnel, under the premise of not departing from principle described in the utility model, it can also make several improvements and retouch, these improvement It also should be regarded as the protection scope of the utility model with retouching.

Claims (4)

1. a kind of touch-control MCU simulator based on FPGA characterized by comprising

Computer；Data conversion plate；FPGA module；And touch chip；

Wherein, the first port of the data conversion plate is electrically connected with the ide interface of the computer, and the first of data conversion plate Output end is electrically connected with the first input end of the FPGA module, the first input port of the data conversion plate and the FPGA First output end of module is electrically connected, and the second output terminal of the FPGA module and the first input end of the touch chip are electrically connected It connecing, the second input terminal of the FPGA module is electrically connected with the first output end of the touch chip, and the of the touch chip Two output ends are electrically connected with the first input end of Target Board, the second input terminal of the touch chip and the first of the Target Board Output end electrical connection.

2. touch-control MCU simulator according to claim 1, which is characterized in that the third output end of the FPGA module It is electrically connected with the second input terminal of the Target Board.

3. touch-control MCU simulator according to claim 2, which is characterized in that the third input terminal of the FPGA module It is electrically connected with the second output terminal of the Target Board.

4. touch-control MCU simulator according to claim 1, which is characterized in that the model of the FPGA module EP4CE75。