CN205827882U - A kind of control card of LED display control system - Google Patents
A kind of control card of LED display control system Download PDFInfo
- Publication number
- CN205827882U CN205827882U CN201620507503.2U CN201620507503U CN205827882U CN 205827882 U CN205827882 U CN 205827882U CN 201620507503 U CN201620507503 U CN 201620507503U CN 205827882 U CN205827882 U CN 205827882U
- Authority
- CN
- China
- Prior art keywords
- led display
- unit
- ethernet
- control card
- connects
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
This utility model provides the control card of a kind of LED display control system, including host computer, Ethernet, ARM unit, CPLD unit, scan drive cell, LED display, FLASH interface and sdram interface, Ethernet, CPLD unit, FLASH interface and sdram interface connect ARM unit respectively, host computer connects Ethernet, scan drive cell connects CPLD unit, LED display connects scan drive cell, this utility model is reasonable in design, easy to use, reliability is high, functional, stable and reliable in work, it is easily maintained upgrading, achieve asynchronous LED display screen based on LPC2214 and control card, this control card makes display screen definition good, there is good viewing effect, and viewing area is big, refreshing frequency is high.
Description
Technical field
This utility model is specifically related to the control card of a kind of LED display control system.
Background technology
Although the range of application of LED display is increasingly wider at present, but the most also exposes some problems, such as exist
In the load mode of LED display screen information, the most conventional cable data transmits oneself through not meeting require that of modern Application.
Because no matter being on a highway, or airport, harbour, square, the large LED display screen in railway station, with length length
Cable or optical cable not only increase expense, and easily cause fault in communication.Traditional Display Technique is with 8 or 16 MCU
For core, the aspect such as its arithmetic speed, memory size, memory space and communication modes also exists significant limitation, therefore difficult
Show and the requirement of full-color display realizing highly difficult dynamic stunt, it is impossible to meet the field that information capacity is big and processing speed is the highest
Institute.
Utility model content
The purpose of this utility model is for solving above-mentioned deficiency, it is provided that the control card of a kind of LED display control system.
The purpose of this utility model is achieved through the following technical solutions:
The control card of a kind of LED display control system, including host computer, Ethernet, ARM unit, CPLD unit, scanning
Driver element, LED display, FLASH interface and sdram interface, Ethernet, CPLD unit, FLASH interface and sdram interface
Connecting ARM unit respectively, host computer connects Ethernet, and scan drive cell connects CPLD unit, and LED display connects scanning and drives
Moving cell.
ARM unit includes LPC2214 chip and reset unit, and reset unit connects LPC2214 chip.
Controlling card and also include power subsystem, power subsystem blocks power supply to whole control.
Connected by serial communication between Ethernet and ARM unit.
This utility model has a following beneficial effect:
This utility model is reasonable in design, easy to use, and reliability is high, functional, stable and reliable in work, it is easy to safeguards and rises
Level, it is achieved that asynchronous LED display screen based on LPC2214 controls card, and this control card makes display screen definition good, has good
Good viewing effect, and viewing area is big, refreshing frequency is high.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is power subsystem structural representation of the present utility model.
Fig. 3 is sdram interface circuit diagram of the present utility model.
Fig. 4 is FLASH interface circuit figure of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is further described:
As it is shown in figure 1, the control card of a kind of LED display control system, including host computer 1, Ethernet 2, ARM unit 8,
CPLD unit 5, scan drive cell 6, LED display 7, FLASH interface 4 and sdram interface 3, Ethernet 2, CPLD unit 5,
FLASH interface 4 and sdram interface 3 connect ARM unit 8 respectively, and host computer 1 connects Ethernet 2, and scan drive cell 6 connects
CPLD unit 5, LED display 7 connects scan drive cell 6.
ARM unit includes LPC2214 chip and reset unit, and reset unit connects LPC2214 chip.
Controlling card and also include power subsystem, power subsystem blocks power supply to whole control.
Connected by serial communication between Ethernet and ARM unit.
Host computer sends the data to ARM microprocessor by serial ports or network, and ARM microprocessor receives data, based on
The data storage of FLASH, it is possible to after ensureing power-off, content is not lost, ARM outside extension SRAM is for depositing the number of rapid computations
According to；CPLD completes the turntable driving process to LED screen, is responsible for producing screen display control signal.CPLD reads grey and it is believed that
Number, convert thereof into after screen data Serial output to the signal data bus of respective color.
Claims (4)
1. a control card for LED display control system, drives including host computer, Ethernet, ARM unit, CPLD unit, scanning
Moving cell, LED display, FLASH interface and sdram interface, it is characterised in that: Ethernet, CPLD unit, FLASH interface and
Sdram interface connects ARM unit respectively, and host computer connects Ethernet, and scan drive cell connects CPLD unit, LED display
Connect scan drive cell.
The control card of a kind of LED display control system the most according to claim 1, it is characterised in that: described ARM is mono-
Unit includes LPC2214 chip and reset unit, and reset unit connects LPC2214 chip.
The control card of a kind of LED display control system the most according to claim 1, it is characterised in that: described control
Card also includes power subsystem, and power subsystem powers to the whole card that controls.
The control card of a kind of LED display control system the most according to claim 1, it is characterised in that: described ether
Connected by serial communication between net and ARM unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620507503.2U CN205827882U (en) | 2016-05-30 | 2016-05-30 | A kind of control card of LED display control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620507503.2U CN205827882U (en) | 2016-05-30 | 2016-05-30 | A kind of control card of LED display control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205827882U true CN205827882U (en) | 2016-12-21 |
Family
ID=57558486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620507503.2U Expired - Fee Related CN205827882U (en) | 2016-05-30 | 2016-05-30 | A kind of control card of LED display control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205827882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106878394A (en) * | 2017-01-18 | 2017-06-20 | 上海诣阔软件有限公司 | A kind of asynchronous cloud control card systems of LED |
-
2016
- 2016-05-30 CN CN201620507503.2U patent/CN205827882U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106878394A (en) * | 2017-01-18 | 2017-06-20 | 上海诣阔软件有限公司 | A kind of asynchronous cloud control card systems of LED |
| CN106878394B (en) * | 2017-01-18 | 2020-02-21 | 上海诣阔软件有限公司 | Asynchronous cloud control card system of LED |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161221 Termination date: 20170530 |