CN201011601Y

CN201011601Y - Experimental device for embedded type single-chip development

Info

Publication number: CN201011601Y
Application number: CNU2007201182854U
Authority: CN
Inventors: 李正中
Original assignee: Shenzhen Polytechnic
Current assignee: Shenzhen Polytechnic
Priority date: 2007-02-06
Filing date: 2007-02-06
Publication date: 2008-01-23
Anticipated expiration: 2017-02-06

Abstract

The utility model relates to an embedded singlechip developing experiment device which comprises a printed circuit mother board on which a singlechip socket and peripheral circuit socket are arranged; a stack pulling switch that connects with the corresponding pin is arranged between the singlechip socket and the peripheral circuit socket. The singlechip socket is arranged on the central position of the mother board; the peripheral circuit socket is arranged around the singlechip socket. By adopting the above structure, the utility model solves the problem that the prior singlechip has limited functions while the conducting wire connection is fussy and the man-made error is large, and provides a singlechip developing experiment device with full function, simple printed circuit connection and few man-made error.

Description

Embedded scm exploitation experimental provision

[technical field]

The utility model relates to a kind of microcomputer development experimental provision, particularly a kind of embedded scm exploitation experimental provision.

[background technology]

What existing single chip computer experiment device adopted is the breakboard construction of fixing, and circuit all is given, and the function of whole experiment device is also fixed, and experiment apparatus can not be changed.Therefore, if will do the experiment of other device, this experimental provision is just not competent.

Chinese patent 02263587.4 discloses a kind of open single chip computer experiment device.This experimental provision comprises general single chip socket, single-chip microcomputer, single-chip microcomputer expanded circuit and peripheral circuit.Single-chip microcomputer is plugged in the general single chip socket, simultaneously, each tie point of each independent circuits module is equipped with the step socket in each pin of general single chip socket and single-chip microcomputer expanded circuit, the peripheral circuit, between single-chip microcomputer and each independent circuits module by corresponding step socket with can plug lead and realize being connected, the user takes by step socket and pluggable lead and tries various experimental circuits.This single chip computer experiment device slightly improves on function, but still can not satisfy user's demand, and has many deficiencies.Lead connects, and easily causes confusion, and increases the difficulty of experiment, has also retrained the expansion of function; Plugs and sockets formula structure, plug is frequent, the serviceable life of easily reducing device, and loosening, the wearing and tearing of plugs and sockets cause loose contact, influence experimental precision, and this experimental result error is big.

[utility model content]

The utility model for solve existing single chip computer experiment apparatus function very little, lead connects the big technical matters of very loaded down with trivial details, artificial experimental result error, provides a kind of multiple functional, P.e.c. to connect the little embedded scm exploitation experimental provision of simple, artificial experimental result error.

The technical scheme that deficiency adopted that the utility model solves the prior art problem is: a kind of embedded scm exploitation experimental provision is provided, comprises printed circuit mother board, this motherboard is provided with single-chip microcomputer socket and peripheral circuit socket; The plucking number sign switch that connects corresponding pin position is set between this single-chip microcomputer socket and the peripheral circuit socket.

The further improvement of the utility model experimental provision is: this single-chip microcomputer socket is positioned near the position described motherboard center; This peripheral circuit socket is arranged on around the described single-chip microcomputer socket.

The further improvement of the utility model experimental provision is: this experimental provision comprises peripheral circuit, and the supporting and described peripheral circuit socket of this peripheral circuit is connected.

The further improvement of the utility model experimental provision is: this peripheral circuit comprises input/output interface module, Display And Keyboard, steering D/A conversion and sensor, audio-frequency function module, network and bus functionality circuit, relay and Electric Machine Control, clock and storage, emulation and encryption or multi-output power supply.

The further improvement of the utility model experimental provision is: this input/output interface module comprises RS232C serial interface module, PS2 keyboard interface module or usb interface module; This Display And Keyboard comprises 128641 graphic lcd interface modules, 802/1602 character liquid crystal interface module, 4 * 4/1 * 4 matrix keyboard modules, 8 bit strip LED indicating modules or eight sections charactrons of 4 bit strip double primes; This steering D/A conversion and sensor comprise digital temperature sensor module, 8 road A/D load modules or 4 road D/A output modules.

The further improvement of the utility model experimental provision is: this audio-frequency function module comprises stereophone/recording load module, audio frequency power amplifier module, FM radio receiver module, hummer or voice recording-reproducing assembly; This network and bus functionality circuit comprise ISP download interface or single bus interface module; This relay and Electric Machine Control comprise 2 road relay output modules or direct current generator/step motor control module.

The further improvement of the utility model experimental provision is: this clock and storage comprise real-time clock module or 4M FLASH memory module; This emulation and encryption comprise encryption/non-encrypted Contact Type Ic Card interface module or JTAG emulation interface; This multi-output power supply comprises that power module provides 12V, 5V, 3.3V.

The further improvement of the utility model experimental provision is: this single-chip microcomputer socket comprises AVR MEGG16L single-chip microcomputer.

Compared to prior art, the beneficial effect of the utility model embedded scm exploitation experimental provision is: simplify the connected mode between circuit, be to utilize lead to connect between the current experiments device circuit, the meeting weave in of the lead after the connection makes that brassboard is in disorder not to be poured, and causes unnecessary burden to experiment; The merit of experiment is more complete, utilizes P.e.c. to replace lead, not only can make the annexation between circuit simpler and clearer, and can make more peripheral circuit is set on the motherboard, thereby strengthens the function of experimental provision; Easy to use, both can utilize the plug of socket upper module to select circuit for use, also can directly stir toggle switch and select circuit for use; Utilize the utility model experimental provision to experimentize, experimentation is simple and clear, and artificial error component reduces, thereby improves the accuracy of experiment.

[description of drawings]

Fig. 1 is the utility model embedded scm exploitation experimental provision designs simplification synoptic diagram;

Fig. 2 is the peripheral circuit structural representation of described experimental provision;

Fig. 3 is the structural representation of described experimental provision preferred implementation;

[embodiment]

Below in conjunction with drawings and Examples the utility model is further specified.

As shown in Figures 1 to 4, a kind of embedded scm exploitation experimental provision 100 comprises printed circuit mother board 1, and this motherboard 1 is provided with single-chip microcomputer socket 2 and peripheral circuit socket 3; The plucking number sign switch 4 that connects corresponding pin position is set between this single-chip microcomputer socket 2 and the peripheral circuit socket 3, and this toggle switch 4 is controlled the state of selecting for use of coupled peripheral circuit.The peripheral circuit socket 3 of the utility model preferred implementation comprises input/output interface modular jack 31, Display And Keyboard socket 32, steering D/A conversion and sensor socket 33, audio-frequency function modular jack 34, network and bus functionality circuit socket 35, relay and Electric Machine Control socket 36, clock and storage receptacle 37, emulation and encryption socket 38 and multi-output power supply socket 39; With the toggle switch 4 of peripheral circuit socket 3 corresponding connections is input/output interface module toggle switch 41, Display And Keyboard toggle switch 42, steering D/A conversion and sensor toggle switch 43, audio-frequency function module toggle switch 44, network and bus functionality circuit toggle switch 45, relay and Electric Machine Control toggle switch 46, clock and storage toggle switch 47, emulation and encryption toggle switch 48 and multi-output power supply toggle switch 49.This single-chip microcomputer socket 2 is positioned near the position, center of this motherboard 1; This peripheral circuit socket 4 be arranged on this single-chip microcomputer socket 2 around.

The utility model experimental provision 100 also comprises peripheral circuit 5, and peripheral circuit 5 can be plugged in the supporting peripheral circuit socket 3.After peripheral circuit 5 is plugged into the peripheral circuit socket 3 corresponding with it, just begin to control the state of selecting for use of peripheral circuit 5 with the peripheral circuit toggle switch 4 of peripheral circuit socket 3 corresponding connections.Peripheral circuit 5 comprises input/output interface module 51, Display And Keyboard 52, steering D/A conversion and sensor 53, audio-frequency function module 54, network and bus functionality circuit 55, relay and Electric Machine Control 56, clock and storage 57, emulation and encryption 58 and multi-output power supply 59.Above-mentioned peripheral circuit can be further specific as follows described: input/output interface module 51 comprises RS232C serial interface module 511, PS2 keyboard interface module 512, usb interface module 513 or infrared interface 514; Display And Keyboard 52 comprises 128641 graphic lcd interface modules, 521,802/1602 character liquid

crystal interface module

522,4 * 4/1 * 4 matrix keyboard modules, 523,8 bit strip LED indicating modules 524 or eight sections charactrons 525 of 4 bit strip double primes; Steering D/A conversion and sensor 53 comprise digital temperature sensor module 531,8 road A/

D load modules

532 or 4 road D/A output modules 533; Audio-frequency function module 54 comprises stereophone/recording load module 541, audio frequency power amplifier module 542, FM radio receiver module 543, hummer 544 or voice recording-reproducing assembly 545; Network and bus functionality circuit 55 comprise ISP download interface 551 or single bus interface module 552; Relay and Electric Machine Control 56 comprise 2 road relay output modules 561 or direct current generator/step motor control module 562; Clock comprises real-time clock module 571 or 4M FLASH memory module 572 with storage 57; Emulation comprises encryption/non-encrypted Contact Type Ic Card interface module 581 or JTAG emulation interface 582 with encryption 58; Multi-output power supply 59 comprises power module 591, and it provides 12V, 5V, 3.3V voltage.Control peripheral circuit 5 is selected the peripheral circuit toggle switch 4 of state for use, corresponding with above-mentioned concrete peripheral circuit also can be further as described below, input/output interface module toggle switch 41 comprises RS232C serial interface module toggle switch 411, PS2 keyboard interface module toggle switch 412, usb interface module toggle switch 413 or infrared interface toggle switch 414; Display And Keyboard toggle switch 42 comprises 128641 graphic lcd interface module toggle switchs, 421,802/1602 character liquid crystal interface module toggle switch 422,4 * 4/1 * 4 matrix keyboard module toggle switchs, 423,8 bit strip LED indicating module toggle switchs 424 or eight sections charactron toggle switchs 425 of 4 bit strip double primes; Steering D/A conversion and sensor toggle switch 43 comprise digital temperature sensor module toggle switch 431,8 road A/D load module toggle switchs 432 or 4 road D/A output module toggle switchs 433; Audio-frequency function module toggle switch 44 comprises stereophone/recording load module toggle switch 441, audio frequency power amplifier module toggle switch 442, FM radio receiver module toggle switch 443, hummer toggle switch 444 or voice recording-reproducing assembly toggle switch 445; Network and bus functionality circuit toggle switch 45 comprise ISP download interface toggle switch 451 or single bus interface module toggle switch 452; Relay and Electric Machine Control toggle switch 46 comprise 2 road relay output module toggle switchs 461 or direct current generator/step motor control module toggle switch 462; Clock comprises real-time clock module toggle switch 471 or 4M FLASH memory module toggle switch 472 with storage toggle switch 47; Emulation comprises encryption/non-encrypted Contact Type Ic Card interface module toggle switch 481 or JTAG emulation interface toggle switch 482 with encryption toggle switch 48; Multi-output power supply toggle switch 49 comprises power module toggle switch 491.In sum, on this experimental provision, RS232C serial interface module 511 is inserted in the corresponding RS232C serial interface module socket 311, and RS232C serial interface module socket 311 is continuous with corresponding RS232C serial interface module toggle switch 411; Other annexation is identical therewith.

The utility model experimental provision single-chip microcomputer 6 preferred AVR MEGG16L201.When experimentizing, can select different combination of circuits for use by circuit plug socket or toggle switch, form various systems; AVR single chip computer AT MEGA16 carries out ISP/JTAG and downloads, programmes, and can do following experiment: be furnished with master chip Atmega16L, the I/O mouth of master chip all can draw outward; 8 LED light emitting diodes are done output and are shown use, also can be used as port status and monitor; 4 * 4 key matrix keyboards; 1 * 4 independent button; The PS2 keyboard interface circuit; 4 LED charactrons have a second displaying symbol; 8 * 2 character liquid crystal display; 128 * 64 graphic lcds (apolegamy); 8 road A/D aanalogvoltage input interface circuits; 4 road D/A output circuits; Lwire digital temperature sensor circuit; Buzzer circuit; The I2C real time clock circuit; The intellective IC card circuit; The lwire interface circuit; Photosensitive, temperature-sensitive Acquisition Circuit; Infrared receiving sensor circuit; 4M high capacity DATA FLASH storer; 2 road DC motor control circuits, may command start-stop rotating and speed regulating control; 1 road stepping motor control circuit; No. 2 relay output circuits; Standard RS232 communication interface; Serial i SP downloads DLL (dynamic link library); The emulation jtag interface; Audio record circuit; The recording input circuit; Audio amplifier circuit; FM frequency-shift keying receiver circuit (apolegamy); The stereophone interface; Direct I/O phonetic function; Master control formula usb circuit (apolegamy); At the plate loudspeaker.

The experimental provision that the utility model provides is simplified the connected mode between circuit; The merit of experiment is more complete; Easy to use; Utilize the utility model experimental provision to experimentize, experimentation is simple and clear, and artificial error component reduces, thereby improves the accuracy of experiment.

The above, it only is preferred embodiment of the present utility model, be not so promptly limit claim of the present utility model, the equivalent structure transformation that every application instructions of the present utility model and accompanying drawing are done, directly or indirectly be applied in relevant technical field, all in like manner be included in the claim of the present utility model.

Claims

1. an embedded scm exploitation experimental provision comprises printed circuit mother board, and it is characterized in that: described motherboard is provided with single-chip microcomputer socket and peripheral circuit socket; The plucking number sign switch that connects corresponding pin position is set between described single-chip microcomputer socket and the peripheral circuit socket.

2. experimental provision according to claim 1 is characterized in that: described single-chip microcomputer socket is positioned near the position described motherboard center; Described peripheral circuit socket is arranged on around the described single-chip microcomputer socket.

3. experimental provision according to claim 2 is characterized in that: described experimental provision comprises peripheral circuit, and the supporting and described peripheral circuit socket of described peripheral circuit is connected.

4. experimental provision according to claim 3 is characterized in that: described peripheral circuit comprises input/output interface module, Display And Keyboard, steering D/A conversion and sensor, audio-frequency function module, network and bus functionality circuit, relay and Electric Machine Control, clock and storage, emulation and encryption or multi-output power supply.

5. experimental provision according to claim 4 is characterized in that: described input/output interface module comprises RS232C serial interface module, PS2 keyboard interface module or usb interface module; Described Display And Keyboard comprises 128641 graphic lcd interface modules, 802/1602 character liquid crystal interface module, 4X4/1X4 matrix keyboard module, 8 bit strip LED indicating modules or eight sections charactrons of 4 bit strip double primes; Described steering D/A conversion and sensor comprise digital temperature sensor module, 8 road A/D load modules or 4 road D/A output modules.

6. experimental provision according to claim 4 is characterized in that: described audio-frequency function module comprises stereophone/recording load module, audio frequency power amplifier module, FM radio receiver module, hummer or voice recording-reproducing assembly; Described network and bus functionality circuit comprise ISP download interface or single bus interface module; Described relay and Electric Machine Control comprise 2 road relay output modules or direct current generator/step motor control module.

7. experimental provision according to claim 4 is characterized in that: described clock and storage comprise real-time clock module or 4M FLASH memory module; Described emulation and encryption comprise encryption/non-encrypted Contact Type Ic Card interface module or JTAG emulation interface; Described multi-output power supply comprises that power module provides 12V, 5V, 3.3V.

8. according to claim 5,6 or 7 described experimental provisions, it is characterized in that: described single-chip microcomputer socket comprises AVR MEGG16L single-chip microcomputer.