CN207068385U - A kind of electronic photo frame device - Google Patents

A kind of electronic photo frame device Download PDF

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Publication number
CN207068385U
CN207068385U CN201720796766.4U CN201720796766U CN207068385U CN 207068385 U CN207068385 U CN 207068385U CN 201720796766 U CN201720796766 U CN 201720796766U CN 207068385 U CN207068385 U CN 207068385U
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China
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module
ddr3
card
modules
vga
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Expired - Fee Related
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CN201720796766.4U
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Chinese (zh)
Inventor
李彬华
赵盼孜
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Kunming University of Science and Technology
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Kunming University of Science and Technology
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Abstract

A kind of electronic photo frame device is the utility model is related to, belongs to electronic display technology field.The utility model includes SD card correlation module, data flow control module, DDR3 control modules, VGA driver modules, LED signal indicating lamp module, JTAG modules, key-press module；The SD card correlation module includes SD card control module, SD card read through model；Data flow control module is connected with SD card correlation module, DDR3 control modules, VGA driver modules, LED signal indicating lamp module, JTAG modules, key-press module respectively.The liquid crystal drive peripheral hardware that the utility model is not limited to carry is shown, but connecting the larger display device of any screen size with USB interface can easily be shown；The utility model is designed reasonably, it is skillfully constructed, simple to operate, real-time is good, improves the visual effect of picture, suitable for being widely popularized.

Description

A kind of electronic photo frame device
Technical field
A kind of electronic photo frame device is the utility model is related to, belongs to electronic display technology field.
Background technology
So-called digital photo frame is exactly a kind of special document that can directly view and admire photo on LCDs, but its Content is not limited only to photography photo, can also include various artistic creation pictures.It is different from traditional photograph album that, shine Piece needs to be come out with film rinsing or digital printing, and time slightly length or careless slightly photo will lose, and over time Passage photo be easy to turn to be yellow, fade, be even mouldy, at the same time traditional photograph album fee of material is high, and consumption is huge, and content is inadequate Vividly, finite capacity.This causes traditional photograph album to be gradually backed out market competition, and digital photo frame just quietly enters the life of people In.Digital photo frame currently on the market is although a feast for the eyes, innumerable, and species is also different because the demand of people is different, but The digital photo frame of in the market is realized usually based on the relatively slightly slower arm processors with liquid crystal drive peripheral hardware of speed State institute it is functional, and on the market most digital photo frame picture show and read functions on it is relatively simple.In picture Be limited only in display function every pictures display speed it is fast, in, it is slow three speed regulation, order or shuffle circulation The display of mode and lantern slide result of broadcast.Some expensive digital photo frames can be used and set on picture read functions Put certain photographic intelligence, such as file and filename, only filename or full detail, carry out fixed cycles and show certain part figure Piece, but moderate or more slightly lower price digital photo frame almost can only be from first to last one on read functions Circulation reading manner.In addition, the display screen size of ordinary electronic photo frame is all smaller, poor visual effect.
The content of the invention
The technical problems to be solved in the utility model is：The utility model provides a kind of electronic photo frame device, for solving Traditional photograph album is not easy to maintain, fee of material is high, and content is not lively enough, finite capacity and existing display function of electronic photo frame and reading The shortcomings that function is single.
Technical solutions of the utility model are：A kind of electronic photo frame device, including SD card correlation module 1, data-flow-control molding Block 2, DDR3 control modules 3, VGA driver modules 4, LED signal indicating lamp module 5, JTAG modules 6, key-press module 7；Institute Stating SD card correlation module 1 includes SD card control module, SD card read through model；Data flow control module 2 respectively with SD card correlation module 1st, DDR3 control modules 3, VGA driver modules 4, LED signal indicating lamp module 5, JTAG modules 6, key-press module 7 connect, SD card correlation module 1 includes SD card control module, SD card read through model, and data flow control module 2 includes fpga chip.
The SD card correlation module 1 is used to store image data for write buffer FIFO readings；
The data flow control module 2 is used to be connected SD card correlation module 1, DDR3 control modules 3, VGA display driving moulds Block 4 and LED signal indicating lamp module 5；
The DDR3 control modules 3 and write buffer FIFO, read buffer FIFO are directly connected to, for completing the slow of data Deposit；
The VGA driver modules 4 are used to drive the VGA display pictures of outside giant-screen to show；
The LED signal indicating lamp module 5 is used for the instruction of DDR3 calibrations result, the instruction of picture deposit DDR3 results, DDR3 Write data and VGA reads data termination instruction；
The key-press module 7 is used to choose the display mode of picture and the read mode of picture.
The fpga chip uses XC6SLX16, and the SD card correlation module 1 is using Micro SD（J7）；The DDR3 controls Molding block 3 uses MT41J64M16LA-187E；VGA driver modules 4 are using VGA Connector；
The Micro SD（J7）With fpga chip XC6SLX16 Bank1（U1B）Connection；Micro SD（J7）Pin 5 (CLK), 2 (DAT3), 3 (CMD), 7 (DAT0) respectively with fpga chip Bank1（U1B）U18 pin, L14 pin, P15 pin, N14 Pin connects；
The MT41J64M16LA-187E and fpga chip XC6SLX16 Bank3（U1D）It is connected；
The VGA Connector and fpga chip XC6SLX16 Bank0（U1A）And Bank1（U1B）It is connected；
The LED signal indicating lamp module 5 is respectively LED1, LED2, LED3, LED4 including four signal lamps, and they are equal It is connected on fpga chip XC6SLX16 Bank2（U1C）On；Fpga chip XC6SLX16 Bank2（U1C）Also with key-press module 7 It is connected.
The course of work of the present utility model is：The image data being stored in SD card is constantly write first after upper electricity In write buffer FIFO, at the same time the data in write buffer FIFO are also continuously write in DDR3, are treated in all SD cards After view data deposit DDR3, read in again from DDR3 in read buffer FIFO when VGA driver modules read signal arrives, most View data is sent into by VGA driver modules by read buffer FIFO afterwards, the outside giant-screen of VGA driver modules driving VGA displays carry out picture and shown.Different functions is then realized according to different key when key-press module has button to press.This Upper electricity is circular display of pictures during the work of utility model, and the realization of difference in functionality is then carried out until there is button to press.
The beneficial effects of the utility model are：The liquid crystal drive peripheral hardware that the utility model is not limited to carry is shown Show, but connecting the larger display device of any screen size with USB interface can easily be shown；This practicality is new Type is reasonable in design, is skillfully constructed, simple to operate, and real-time is good, improves the visual effect of picture, suitable for being widely popularized.
Brief description of the drawings
Fig. 1 is theory diagram of the present utility model；
Fig. 2-Fig. 3 is the circuit connection diagram of SD card control module of the present utility model；
Fig. 4-Fig. 6 is the circuit connecting line figure of VGA driver modules of the present utility model；
Fig. 7-Fig. 8 is the circuit connecting line figure of DDR3 controller modules of the present utility model；
Fig. 9 is the circuit connecting line figure of LED signal indicating lamp module of the present utility model；
Figure 10-Figure 11 is the circuit connecting line figure of key-press module of the present utility model.
Each label in Fig. 1-11：1-SD card correlation modules, 2- data flow control modules, 3- DDR3 control modules, 4- VGA Driver module, 5- LED signal indicating lamp modules, 6- JTAG modules, 7- key-press modules.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model is described in further detail.
Embodiment 1：A kind of electronic photo frame device, including SD card correlation module 1, data flow control module 2, DDR3 control mould Block 3, VGA driver modules 4, LED signal indicating lamp module 5, JTAG modules 6, key-press module 7；The SD card correlation module 1 Including SD card control module, SD card read through model；Data flow control module 2 respectively with SD card correlation module 1, DDR3 control modules 3, VGA driver modules 4, LED signal indicating lamp module 5, JTAG modules 6, key-press module 7 connect, and SD card correlation module 1 includes SD card control module, SD card read through model, data flow control module 2 include fpga chip.
The SD card correlation module 1 is used to store image data for write buffer FIFO readings；
The data flow control module 2 is used to be connected SD card correlation module 1, DDR3 control modules 3, VGA display driving moulds Block 4 and LED signal indicating lamp module 5；
The DDR3 control modules 3 and write buffer FIFO, read buffer FIFO are directly connected to, for completing the slow of data Deposit；
The VGA driver modules 4 are used to drive the VGA display pictures of outside giant-screen to show；
The LED signal indicating lamp module 5 is used for the instruction of DDR3 calibrations result, the instruction of picture deposit DDR3 results, DDR3 Write data and VGA reads data termination instruction；
The key-press module 7 is used to choose the display mode of picture and the read mode of picture.
As further scheme of the present utility model,
That shown in Fig. 2-Fig. 3 is Micro SD（J7）With the circuit connection diagram of fpga chip, in the part, mainly use Fpga chip XC6SLX16 Bank1（U1B）, Micro SD（J7）Just with this Bank1（U1B）It is connected.Specific connection side Method is Micro SD（J7）Pin 5 (CLK), 2 (DAT3), 3 (CMD), 7 (DAT0) respectively with fpga chip Bank1（U1B）'s U18 pin, L14 pin, P15 pin, the connection of N14 pin.The main function of the circuit is that the image data part of SD card is sent into write buffer In FIFO.It is worth noting that, SD card correlation module 1 described in reality also includes two submodules inside it：SD card controls mould Some of block completion SD card are controlled substantially, and the power-up initializing of such as SD card, order are sent；Data or life between FPGA and SD card The transmission of order is controlled by SPI mouths, this part by SD reads through model.
Fig. 4-Fig. 6 is then the circuit connection diagram of VGA Connector and fpga chip, and the application mainly uses fpga chip XC6SLX16 Bank0（U1A）And Bank1（U1B）.Specific connection method is：Bank0（U1A）Pin A16, B16, C14, D14, A15, C15, E13, F13, A14, B14, A13, C13, A12, VGA Connector are met respectively（J23）A16（VGA_ B1）、B16（VGA_B4）、C14（VGA_G0）、D14（VGA_R1）、A15（VGA_G1）、C15（VGA_G4）、E13（VGA_R3）、 F13（VGA_R0）、A14（VGA_G5）、B14（VGA_B0）、A13（VGA_G3）、C13（VGA_R2）、A12（VGA_G2）Pin. Bank1（U1B）Pin F14, C18, C17, F16, F15, meet VGA Connector respectively（J23）F14（VGA_R4）、C18 （VGA_VS）、C17（VGA_HS）、F16（VGA_B2）、F15（VGA_B3）.The major function of the part is that VGA displays are real-time Ground reads data from DDR3 to carry out circulation and shows.
It is by the DDR3 chips MT41J64M16LA-187E of micron companies as shown in Figs. 7-8（U10）With Bank3 （U1D）The circuit diagram of connection, the part realize function be, the image data read from SD card be buffered in the chip so as to VGA driver modules 4 are read in real time.Specific connection method is：Bank3（U1D）Pin J7, F4, D3, G6, J6, H5, L7、F3、H4、H3、H6、D2、F2、F1、E1、K5、G3、G1、H7、K3、L2、N2、N1、T2、T1、U2、U1、L1、K2、K1、H2、 H1, J3, J1, M3, M1, L4, L3, K6, L5, E4, K4, P2, P1, E3, respectively with DDR3 chips MT41J64M16LA-187E （U10）Pin J7（DDR3_A0）、
F4（DDR3_A10）、D3（DDR3_A11）、G6（DDR3_A12）、J6（DDR3_A1）、H5（DDR3_A2）、L7 （DDR3_A3）、F3（DDR3_A4）、H4（DDR3_A5）、H3（DDR3_A6）、H6（DDR3_A7）、D2（DDR3_A8）、F2 （DDR3_BA0）、F1（DDR3_BA1）、E1（DDR3_BA2）、K5（DDR3_CAS_N）、G3（DDR3_CLK_P）、
G1（DDR3_CLK_N）、H7（DDR3_CKE）、K3（DDR3_LDM）、L2（DDR3_DQ0）、
N2（DDR3_DQ10）、N1（DDR3_DQ11）、T2（DDR3_DQ12）、T1（DDR3_DQ13）、U2（DDR3_ DQ14）、U1（DDR3_DQ15）、L1（DDR3_DQ1）、K2（DDR3_DQ2）、K1（DDR3_DQ3）、H2（DDR3_DQ4）、H1 （DDR3_DQ5）、J3（DDR3_DQ6）、
J1（DDR3_DQ7）、M3（DDR3_DQ8）、M1（DDR3_DQ9）、L4（DDR3_LDQS_P）、
L3（DDR3_LDQS_N）、K6（DDR3_ODT）、L5（DDR3_RAS_N）、E4（DDR3_RESET_N）、K4（DDR3_ UDM）、P2（DDR3_UDQS_P）、P1（DDR3_UDQS_N）、E3（DDR3_WE_N）.
Fig. 9 is the circuit connection diagram of LED signal indicating lamp module.Four signal lamps are mainly used in the part is respectively LED1, LED2, LED3, LED4, they are connected on fpga chip XC6SLX16 Bank2（U1C）On.Realize main the part Function is that whether LED1 instruction DDR3 calibrations are completed, whether LED2 instructions picture has all been stored in DDR3, LED3 instructions DDR3 Writing data, whether insufficient, LED4 indicates that VGA reads whether data terminate.Four indicator lamps use the button for causing digital photo frame to grasp Work is more accurate, while when carrying out button operation, the picture mess code phenomenon of appearance is entered to existing digital photo frame on the market The improvement of one step.Keypress function operation only can be just carried out when LED1, LED2 are lighted simultaneously in the utility model, but is worked as Any one small cup in two lamps of LED3 and LED4 is lighted, and shows that the device goes wrong, operation can not continue.
Figure 10-Figure 11 is then the circuit connection diagram of key-press module and fpga chip.The key-press module is using matrix key Disk, matrix keyboard are used so that operator scheme becomes variation and simplified.Then realize that picture single frames shows, pressed when pressing S1 keys S2 keys realize odd-numbered frame show, S3 keys realize even frame show, S4 keys realize sequence frames show, S5 keys realize backward frame show, S6 keys realize that four frames redirect display, S7 keys then realize that 8 frames redirect display, S8 keys are realized and start to read at the 1/2 of all picture numbers Take and circulate display, S9 keys then realize start to read and circulate display at 1/4, S10 keys realize circulation display function stop only Show the function of photo current.The use of matrix keyboard is changed to deficiency of the existing digital photo frame in terms of picture searching It is kind, picture searching is become relatively convenient.
Specific embodiment of the utility model is explained in detail above in conjunction with accompanying drawing, but the utility model and unlimited In above-described embodiment, in those of ordinary skill in the art's possessed knowledge, the utility model can also not departed from Various changes can be made on the premise of objective.

Claims (3)

  1. A kind of 1. electronic photo frame device, it is characterised in that：Including SD card correlation module（1）, data flow control module（2）、DDR3 Control module（3）, VGA driver modules（4）, LED signal indicating lamp module（5）, JTAG modules（6）, key-press module（7）； The SD card correlation module（1）Including SD card control module, SD card read through model；Data flow control module（2）Respectively with SD card phase Close module（1）, DDR3 control modules（3）, VGA driver modules（4）, LED signal indicating lamp module（5）, JTAG modules （6）, key-press module（7）Connection, SD card correlation module（1）Including SD card control module, SD card read through model, data flow control module （2）Including fpga chip.
  2. 2. electronic photo frame device according to claim 1, it is characterised in that：
    The SD card correlation module（1）Read for storing image data for write buffer FIFO；
    The data flow control module（2）For being connected SD card correlation module（1）, DDR3 control modules（3）, VGA display driving Module（4）And LED signal indicating lamp module（5）；
    The DDR3 control modules（3）It is directly connected to write buffer FIFO, read buffer FIFO, for completing the caching of data；
    The VGA driver modules（4）For driving the VGA display pictures of outside giant-screen to show；
    The LED signal indicating lamp module（5）Write for the instruction of DDR3 calibrations result, the instruction of picture deposit DDR3 results, DDR3 Data and VGA read data termination instruction；
    The key-press module（7）For choosing the display mode of picture and the read mode of picture.
  3. 3. electronic photo frame device according to claim 1 or 2, it is characterised in that：The fpga chip uses XC6SLX16, The SD card correlation module（1）Using Micro SD（J7）；The DDR3 control modules（3）Using MT41J64M16LA-187E； VGA driver modules（4）Using VGA Connector；
    The Micro SD（J7）With fpga chip XC6SLX16 Bank1（U1B）Connection；Micro SD（J7）Pin 5 (CLK), 2 (DAT3), 3 (CMD), 7 (DAT0) respectively with fpga chip Bank1（U1B）U18 pin, L14 pin, P15 pin, N14 pin Connection；
    The MT41J64M16LA-187E and fpga chip XC6SLX16 Bank3（U1D）It is connected；
    The VGA Connector and fpga chip XC6SLX16 Bank0（U1A）And Bank1（U1B）It is connected；
    The LED signal indicating lamp module（5）It is respectively LED1, LED2, LED3, LED4 including four signal lamps, they connect In fpga chip XC6SLX16 Bank2（U1C）On；Fpga chip XC6SLX16 Bank2（U1C）Also with key-press module（7） It is connected.
CN201720796766.4U 2017-07-04 2017-07-04 A kind of electronic photo frame device Expired - Fee Related CN207068385U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720796766.4U CN207068385U (en) 2017-07-04 2017-07-04 A kind of electronic photo frame device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720796766.4U CN207068385U (en) 2017-07-04 2017-07-04 A kind of electronic photo frame device

Publications (1)

Publication Number Publication Date
CN207068385U true CN207068385U (en) 2018-03-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
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Country Status (1)

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CN (1) CN207068385U (en)

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