CN203038643U - Color liquid crystal display module compatible with T6963 controller instruction - Google Patents
Color liquid crystal display module compatible with T6963 controller instruction Download PDFInfo
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- CN203038643U CN203038643U CN 201320004173 CN201320004173U CN203038643U CN 203038643 U CN203038643 U CN 203038643U CN 201320004173 CN201320004173 CN 201320004173 CN 201320004173 U CN201320004173 U CN 201320004173U CN 203038643 U CN203038643 U CN 203038643U
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Abstract
The utility model discloses a color liquid crystal display module compatible with a T6963 controller instruction, which comprises a TFT-LCD module, a TFT-LCD controller, a master controller, a FLASH memory module and a communication interface, wherein the TFT-LCD controller adopts an RA8875 control chip, and a 16-bit data parallel interface of the RA8875 control chip is electrically connected with the communication interface; the master controller adopts a 32-bit ARM7 processor; and the communication interface provides an 8-bit parallel interface compatible with the T6963 processor. The OCM240128W-1 color module is compatible with the hardware circuit of the single-colored display screen OCM240128-1 display module, the software is basically compatible with the instruction system of the T6963 controller, such that the processors commonly used in the industrial control field can all support TFT control peripherals, and plug and play of the color screen can be realized.
Description
Technical field
The utility model relates to a kind of colorized lcd display model, specifically refers to a kind of colorized lcd display model compatible with the instruction of T6963 controller.
Background technology
Along with the development of technology, the cost of present color screen has been lower than the monochrome screen with pixel, and the display effect of color screen can be expressed finer and smoother demonstration information because of rich color, so display effect will be got well more than Dan Ping.Therefore, if adopt color screen can satisfy functional requirement and user's experience of product significantly as the man-machine interface of equipment.But, at present domestic industrial control field institute generally use 8051, processors such as AVR, PIC and ARM7/M3 all can not directly support TFT to control peripheral hardware, even if small part ARM7, ARM9 have the LCD control interface, but, if directly it is used for driving true color TFT liquid crystal display, can cause system consumption too much because of its huge data volume, the system that influences be to the response speed of other functional tasks.
Traditional a monochromatic display screen OCM240128-1, this monochrome display screen is to be controlled by the T6963 controller, and existing true color TFT liquid crystal display and T6963 controller are incompatible, so need the control peripheral hardware of TFT-LCD module be improved.
Summary of the invention
In order to overcome above-mentioned deficiency, the purpose of this utility model is to provide a kind of colorized lcd display model compatible with the instruction of T6963 controller of plug and play.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is:
The colorized lcd display model compatible with the instruction of T6963 controller, include the TFT-LCD module, the TFT-LCD controller, master controller, FLASH memory module and communication interface, described master controller receives data message and the command information that communication interface sends, and with data information memory in the FLASH memory module, send command information to the TFT-LCD controller, demonstration information after the TFT-LCD controller will be handled sends the TFT-LCD module to, described TFT-LCD controller adopts the RA8875 control chip, and the 16 bit data parallel ports that described RA8875 control chip carries are electrically connected with communication interface; Described master controller adopts 32 ARM7 processors; Described communication interface provide with T6963 processor compatibility 8 parallel ports.
Described RA8875 control chip also is electrically connected with the four-wire resistance type contact panel, and described four-wire resistance type contact panel also is electrically connected with the touch-screen control chip, and described communication interface also comprises the user interface that is electrically connected with the touch-screen control chip.
Also comprise DC-DC change-over circuit module, described DC-DC change-over circuit module adopts the 1117M3 module to carry out the DC-DC conversion, the direct current of 4.5～5.5V is converted to the 3.3V of flogic system power supply.
Also comprise the backlight circuit module, described backlight circuit module adopts boost type DC-DC conversion chip RT9293, described master controller is controlled the Enable Pin that opens or closes DC-DC conversion chip RT9293 by the GPIO mouth, and described RA8875 control chip adopts pulse width modulation mode that the feedback input end (FB) of RT9293 is carried out backlight illumination control.
Described FLASH memory module adopts serial FLASH memory W25Q128BV.
The beneficial effects of the utility model are: the colored module of the utility model OCM240128W-1 plays a good role in this direction, the hardware circuit of its compatible monochromatic display screen OCM240128-1 display module, the order set of software and T6963 controller is roughly compatible, use the man-machine interface of the industrial control equipment of OCM240128-1 display module to be upgraded to colour from monochrome rapidly before making, make industrial control field the processor that generally uses can both support TFT control peripheral hardware, make color screen realize plug and play.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail:
Fig. 1 is electric theory diagram of the present utility model.
Among the figure: 1, TFT-LCD module; 2, TFT-LCD controller; 3, master controller; 4, FLASH memory module; 5, bus interface circuit module; 6, backlight circuit module; 7, touch-screen; 8, touch-screen control chip; 9, DC-DC change-over circuit module.
Embodiment
As shown in Figure 1, the OCM240128W-1 type colorized lcd display model compatible with the instruction of T6963 controller, include TFT-LCD module 1, TFT-LCD controller 2, master controller 3, FLASH memory module 4 and communication interface 5, described master controller 3 receives data message and the command information that communication interface 5 sends, wherein, data message comprises the image data of 16bit, character library delivery data, the configuration information of color screen terminal (comprises communication baud rate information, mode of operation information etc.), some data message of the calibration information of touch-screen and client, and with data information memory in FLASH memory module 4, send command information to TFT-LCD controller 2, the demonstration information after TFT-LCD controller 2 will be handled sends TFT-LCD module 1 to.Described TFT-LCD controller adopts the RA8875 control chip.
Described master controller 3 adopts 32 ARM7 processors, and model is the LPC213x of NXP, software top compatibility the T6963 instruction, provide and 8 bit data parallel ports of T6963 compatibility and control mouthful.Be responsible for sending the reception operation information to the customer instruction processing with to RA8875.
Described communication interface 5 provide with T6963 processor compatibility 8 parallel ports, the 16 bit data parallel ports that described RA8875 control chip carries are electrically connected with communication interface.Also be equipped with touch-screen 7, what specifically adopt is the four-wire resistance type contact panel.Built-in one group of 10 ADC of RA8875 control chip and control circuit are to connect the four-wire resistance type contact panel.Its whole touching control panel controller can be divided into " automatic mode " and " manual mode ", and every kind of pattern is divided into " hardware interrupts pattern " and " software polling pattern " again.In addition, described RA8875 control chip also is electrically connected with the four-wire resistance type contact panel, and described four-wire resistance type contact panel also is electrically connected with touch-screen control chip 8, and described communication interface also comprises the user interface that is electrically connected with the touch-screen control chip.
Also comprise backlight circuit module 6, described backlight circuit module adopts boost type DC-DC conversion chip RT9293, described master controller is controlled the Enable Pin that opens or closes DC-DC conversion chip RT9293 by the GPIO mouth, and described RA8875 control chip adopts pulse width modulation mode that the feedback input end (FB) of RT9293 is carried out backlight illumination control.Described FLASH memory module adopts serial FLASH memory W25Q128BV.
Described TFT-LCD module 2 refers to the digraph layer colorized lcd display model of literal and Graphics Mode, and described RA8875 control chip can be in conjunction with literal or 2D graphical application, and maximum can be supported the small-medium size digitizing tablet of 800*480 point resolution.In addition, the user can be by the interface of selecting external series FLASH storer W25Q128BV for use, supports the BIG5/GB coding, can provide up 32*32 pixel the font input.In the use of figure, the RA8875 control chip is supported the BTE engine (Block Transfer Engine) of 2D, and this function is compatible with general general 2D BTE function, can handle a large amount of graph data conversions and transmit.Also built-in geometric figure accelerating engine (Geometric Speed-up Engine) of RA8875 control chip simultaneously provides the user to see through simple setting easily draw straight line, rectangle, circle and oval geometric figure.RA8875 has integrated strong functions simultaneously, as functions such as picture rolling function, demonstration floating frame, figure Pattern and literal amplifications.
This intelligent color screen terminal also comprises the character library part: the part serial font ROM of the external series ROM interface compatibility Yu Jitong company (Genitop Inc) of described RA8875 control chip.The support production code member comprises: GT21L16TW/ GT21H16T1W, GT23L16U2W, GT23L24T3Y/ GT23H24T3Y, GT23L24M1Z and GT23L32S4W/ GT23H32S4W.At different products, can provide 16x16,24x24,32x32 font size and different word wide.
The power pack of this intelligent color screen terminal: also comprise DC-DC change-over circuit module 9, described DC-DC change-over circuit module adopts the 1117M3 module to carry out the DC-DC conversion, the direct current of 4.5～5.5V is converted to the 3.3V of flogic system power supply.
Principle of work: OCM240128W-1 type colorized lcd display model uses dual-core architecture (main control MCU LPC2312+TFT LCD drives chip RA8875), this new controller is to improve on T6963 controller instruction basis, has increased new command function.The pixel 480X272 of TFT-LCD module, the driving chip is RA8875.By converting with main control MCU control, four pixels are combined into a pixel, the pixel that the actual user of providing uses is the 240X128 dot matrix, and is the same with the pixel address of monochromatic screen OCM240128-1.Main control MCU LPC2312 has simulated hardware interface and the software sequential of T6963, and MCU handles after receiving the instruction that client sends by the parallel port by analysis, and operation RA8875 finishes corresponding operating, as the text display among the T6963, and graphic dot matrix demonstration etc.
In a word; though the utility model has been enumerated above-mentioned preferred implementation; but should illustrate; though those skilled in the art can carry out various variations and remodeling; unless such variation and remodeling have departed from scope of the present utility model, otherwise all should be included in the protection domain of the present utility model.
Claims (5)
1. colorized lcd display model compatible with T6963 controller instruction, include the TFT-LCD module, the TFT-LCD controller, master controller, FLASH memory module and communication interface, described master controller receives data message and the command information that communication interface sends, and with data information memory in the FLASH memory module, send command information to the TFT-LCD controller, demonstration information after the TFT-LCD controller will be handled sends the TFT-LCD module to, it is characterized in that: described TFT-LCD controller adopts the RA8875 control chip, and the 16 bit data parallel ports that described RA8875 control chip carries are electrically connected with communication interface; Described master controller adopts 32 ARM7 processors; Described communication interface provide with T6963 processor compatibility 8 parallel ports.
2. the compatible colorized lcd display model of according to claim 1 and T6963 controller instruction, it is characterized in that: described RA8875 control chip also is electrically connected with the four-wire resistance type contact panel, described four-wire resistance type contact panel also is electrically connected with the touch-screen control chip, and described communication interface also comprises the user interface that is electrically connected with the touch-screen control chip.
3. the compatible colorized lcd display model of according to claim 1 and 2 and T6963 controller instruction, it is characterized in that: also comprise DC-DC change-over circuit module, described DC-DC change-over circuit module adopts the 1117M3 module to carry out the DC-DC conversion, converts the direct current of 4.5～5.5V to 3.3V.
4. the compatible colorized lcd display model of according to claim 3 and T6963 controller instruction, it is characterized in that: also comprise the backlight circuit module, described backlight circuit module adopts boost type DC-DC conversion chip RT9293, described master controller is controlled the Enable Pin that opens or closes DC-DC conversion chip RT9293 by the GPIO mouth, and described RA8875 control chip adopts pulse width modulation mode that the feedback input end (FB) of RT9293 is carried out backlight illumination control.
5. the colorized lcd display model compatible with the instruction of T6963 controller according to claim 4 is characterized in that: described FLASH memory module employing serial FLASH memory W25Q128BV.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320004173 CN203038643U (en) | 2013-01-06 | 2013-01-06 | Color liquid crystal display module compatible with T6963 controller instruction |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320004173 CN203038643U (en) | 2013-01-06 | 2013-01-06 | Color liquid crystal display module compatible with T6963 controller instruction |
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| CN203038643U true CN203038643U (en) | 2013-07-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106527244A (en) * | 2015-09-11 | 2017-03-22 | 北京航天峰光电子技术有限责任公司 | Portable intelligent display terminal |
| CN114690995A (en) * | 2022-03-24 | 2022-07-01 | 珠海格力电器股份有限公司 | Data processing method and system of color screen equipment and electrical equipment |
-
2013
- 2013-01-06 CN CN 201320004173 patent/CN203038643U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106527244A (en) * | 2015-09-11 | 2017-03-22 | 北京航天峰光电子技术有限责任公司 | Portable intelligent display terminal |
| CN114690995A (en) * | 2022-03-24 | 2022-07-01 | 珠海格力电器股份有限公司 | Data processing method and system of color screen equipment and electrical equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130703 Termination date: 20220106 |
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| CF01 | Termination of patent right due to non-payment of annual fee |