CN104766589B - Liquid crystal display systems and its display methods - Google Patents
Liquid crystal display systems and its display methods Download PDFInfo
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- CN104766589B CN104766589B CN201510234180.4A CN201510234180A CN104766589B CN 104766589 B CN104766589 B CN 104766589B CN 201510234180 A CN201510234180 A CN 201510234180A CN 104766589 B CN104766589 B CN 104766589B
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Abstract
The invention discloses a kind of liquid crystal display systems and its display methods, the liquid crystal display systems includes the drive control chip that LCDs is electrically connected with LCDs, the liquid crystal display systems also includes singlechip chip and the several external communication interfaces for connecting external equipment, and the singlechip chip is connected with the drive control chip；The singlechip chip has connecting interface, and the singlechip chip is connected by connecting interface with several external communication interfaces.Liquid crystal display systems of the invention is applied to most of different external equipments, and the same communication protocol of these external equipments can be made to control LCDs, and compatibility is good, disclosure satisfy that the exploitation demand and use demand of different electronic products.
Description
Technical field
The present invention relates to a kind of liquid crystal display systems and its display methods, have more specifically to one kind several outer
The liquid crystal display systems and its display methods of portion's communication interface.
Background technology
With the development of electronics techniques, thin film transistor liquid crystal display equipment is widely used, especially
Middle-size and small-size thin film transistor liquid crystal display equipment has turned into the main flow of exploitation.Thin film transistor liquid crystal display equipment includes film
The drive circuit board of transistor liquid crystal display screen and carrying drive control chip.Thin film transistor liquid crystal display equipment passes through
Its drive circuit plate interface and external device communication, then by drive control chip by the communication information be converted into display information include
On the device display screen.The drive circuit plate interface of existing film crystal tube display apparatus due to drive control chip not
Together, cause drive circuit plate interface different, for example：There are serial type Peripheral Interface (SPI interface), twin wire serial type EBI (I2C
Interface), the interface of asynchronous receiving-transmitting coffret UART, Intel 8080, rgb interface etc., and different driving control chip communication
Agreement is also incomplete same.
Existing most of thin film transistor liquid crystal display equipment, only carries a kind of drive control chip and using specific
A kind of interface and corresponding communication protocol and external device communication.Because this thin film transistor liquid crystal display equipment can only be used
A kind of fixed hardware interface and corresponding communication protocol and external device communication, can cause to be connected to film crystal in electronic product
, it is necessary to using specific hardware interface and develop different communication protocols during pipe liquid crystal display.This thin film transistor (TFT)
Liquid crystal display, it is impossible to meet the exploitation demand and use demand, poor compatibility of different electronic products, reduces research and development and makes
With the whole efficiency of electronic product.
CN202917149 discloses a kind of LCD MODULE, including LCD drive control devices, liquid crystal display, LED backlight
With LCD driving chips, it also includes a singlechip chip controller, and the singlechip chip controller is electrically connected by I/O ports
LCD drive control devices are connected to, described singlechip chip is provided with synchronous serial interface and EEPROM.
This singlechip chip controller can realize RS232, I2C, SPI multi-interface communication by inside USART modules, but,
For distinct interface external equipment when need to change the software of this singlechip chip controller and realize configuring USART modules
One kind in RS232, I2C, SPI interface, and the LCD MODULE only discloses use RS232, I2C, SPI multiplex roles, and
Not publicly use USB interface, it is impossible to adapt to great amount of images data transfer and widely used USB external equipments, compatibility is not
By force, it is difficult to meet the exploitation demand and use demand of different electronic products..
The content of the invention
The present invention is the poor compatibility of solution liquid crystal display systems of the prior art, it is difficult to meet different electronic products
The technical problem of exploitation demand and use demand.
The present inventor has found by practice, can be by setting singlechip chip and for connecting external equipment
Several external communication interfaces, then exploitation can be applied to these external communication interfaces general communication protocol software, can
The different thin film transistor liquid crystal display screen curtain of control is realized, different external connection apparatus are adapted to.Further, inventor grinds
Study carefully discovery, general communication protocol software use can receive the communication protocol of AT instructions, can preferably control different thin
Film transistor LCD Panel, and further write AT command set.There is different driving in the prior art so as to solve
The thin film transistor liquid crystal display equipment of control chip needs different hardware interface and soft communication agreement to carry out display control
The technical problem of system, compatibility is strong, can adapt to the exploitation demand and use demand of different electronic products.
Accordingly, the invention provides a kind of liquid crystal display systems, the liquid crystal display systems includes LCDs and liquid
The drive control chip of crystal display screen electrical connection, wherein, the liquid crystal display systems also includes singlechip chip and for even
Several external communication interfaces of external equipment are connect, the singlechip chip is electrically connected with the drive control chip；The monolithic
Movement piece has connecting interface, and the singlechip chip is electrically connected by connecting interface with several external communication interfaces.
Preferably, in liquid crystal display systems, the singlechip chip by communication protocol software be connected to one or
One of several external communication interfaces or several external equipments are communicated, and the communication protocol software is can to receive AT instructions
The communication protocol software of the AT instructions of concentration.
Preferably, in liquid crystal display systems, the drive control chip passes through FSMC interfaces with the singlechip chip
Connection.
Preferably, in liquid crystal display systems, several external communication interfaces are selected from SPI interface, I2C interfaces, UART
One or more in interface, USB interface.
Preferably, in liquid crystal display systems, the liquid crystal display systems also includes flash storage, and the Flash is deposited
Reservoir is connected with the singlechip chip.
Preferably, in liquid crystal display systems, the liquid crystal display systems is thin film transistor liquid crystal display system, described
LCDs is thin film transistor liquid crystal display screen.
Based on another aspect of the present invention, the invention provides a kind of display methods of liquid crystal display systems, the display
Method comprises the steps：
Step S1, one or several external equipments are connected to one or several external communication interfaces, and initialize liquid
Crystal display screen；
Step S2, the single-chip microcomputer are electrically connected with the external communication interface, and wait the external equipment to be received to send
Instruction in AT command set；
Step S3, the single-chip microcomputer receive the AT instructions of external equipment transmission, then the AT instructions are parsed, if not connecing
The AT for receiving external equipment transmission instructs then return to step S2；
AT instructions after being received and parsed through described in step S4, single-chip microcomputer execution, and carry out letter with drive control chip
Number transmission, the single-chip microcomputer is performing after the AT is instructed then return to step S2；
The signal that the single-chip microcomputer is transmitted is converted into display information by step S5, the drive control chip, and will be described
Display information passes to LCDs；
Step S6, the LCDs complete the display of display information.
Preferably, in the display methods of liquid crystal display systems, in step s 4, the single-chip microcomputer is received simultaneously according to described
AT instructions after parsing, carry out signal transmission or carry out data access behaviour with flash storage with the drive control chip
Make.
Several outsides of the liquid crystal display systems of the invention by setting singlechip chip and for connecting external equipment
Communication interface, external communication interface is connected to by external equipment, the external equipment by sending the instruction in AT command set, with
The singlechip chip enters row data communication.The singlechip chip receives AT instructions, analysis instruction, then with the drive control
Chip carries out signal transmission, and the signal that the singlechip chip is transmitted is converted into display information by drive control chip,
And the display information is passed into LCDs, the last LCDs completes the display of display information.This liquid
Brilliant display system is applied to most of different external equipments, can make most of different equipment with same communication protocol control
Made membrane transistor liquid crystal, and the singlechip chip can from different drive control chip communications, such that it is able to be applied to
Different LCDs.The different electronic products of the convenient connection of this liquid crystal display systems are used, and convenient use liquid
Crystal display screen carries out electronic product exploitation, reduces development difficulty, improves development efficiency, and compatibility is more preferably.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute the part of specification, with following tool
Body implementation method is used to explain the present invention together, but is not construed as limiting the invention.
Fig. 1 is the structural representation of liquid crystal display systems of the invention.
Fig. 2 is the structural representation of the liquid crystal display systems of the embodiment of the present invention 1.
Fig. 3 is the flow chart of the display methods of liquid crystal display systems of the invention.
Fig. 4 is the flow chart of the software program execution of the singlechip chip of the embodiment of the present invention 1.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, is only used for explaining the present invention, and is not considered as limiting the invention.Conversely, this
Inventive embodiment includes all changes fallen into the range of the spiritual and intension of attached claims, modification and is equal to
Thing.In the present invention, connection can also be able to be mechanical connection for electrical connection.
The present inventor is the liquid crystal display for solving to have different driving control chip in the prior art, especially
It is that thin film transistor liquid crystal display equipment needs different hardware interface and soft communication agreement to carry out the technology of display control
Problem, by long-term research, proposes a kind of liquid crystal display systems and its display methods, can support conventional hardware interface and make
It is to be capable of achieving the different LCDs of control with same communication protocol software, the convenient exploitation demand for adapting to different electronic products
And use demand.
As shown in figure 1, the invention provides a kind of liquid crystal display systems, including LCDs 1, drive control chip 2,
Singlechip chip 3 and the several external communication interfaces 4 for connecting external equipment.
In the present invention, the LCDs 1 is connected with the drive control chip 2, the singlechip chip 3 and institute
Drive control chip 2 is stated to connect；The singlechip chip 3 is electrically connected by connecting interface with several external communication interfaces 4.
Wherein, the external communication interface 4 act as providing the physical connection with external device communication.The monolithic movement
Piece 3 act as receiving the AT that sends of external equipment by the external communication interface 4 and instructs, and with the drive control chip 2
Enter row data communication.The drive control chip 2 act as the signal of the singlechip chip 3 being converted into display information, and
Transmission displays information to the LCDs 1.The LCDs 1 act as display information to the display screen.
Preferably, present invention additionally comprises flash storage 5, the singlechip chip 3 connects with the flash storage 5
Connect, the Main Function of the flash storage 5 is the data for storing display content, including preset display font data, aobvious
The data of diagram picture, greatly reducing external equipment needs the data volume of transmission.Specifically, the setting of flash storage 5 increases
Memory space is added, the display content such as substantial amounts of display pictorial information, display text information and font information can have been stored
The data shortcoming small to make up singlechip chip memory space, also, when there is great amount of images data transfer, flash storage
Can be as data buffer area.In the present invention, by setting flash storage, as long as external equipment sends AT, instruction sends
Action command, it is not necessary to send view data.Such as AT instructions " AT+dB " is represented in display screen certain position display one
Bitmap, and bitmap is stored in flash storage in itself, singlechip chip receives meeting and Flash after " AT+dB+ positions " instruction
Memory communication searches out bitmap data, and display is on a display screen.In this way, bitmap letter is retransmited without external equipment
Breath, has been greatly saved data transmission period.The singlechip chip 3 is also acted as and enters row data communication with flash storage 5,
Display content is accessed with to flash storage 5.
In the present invention, the liquid crystal display systems goes for existing various liquid crystal display devices, it is preferable that institute
Liquid crystal display systems is stated for thin film transistor liquid crystal display system.Accordingly, the LCDs 1 can be common in the market
LCDs 1, in the present invention, it is preferred to be thin film transistor liquid crystal display screen 1.
In the present invention, it is preferred to, the drive control chip 2 has with the conventional connecting interface of the singlechip chip
The interfaces of Intel 8086 (8086 processor bus interfaces of Intel early developments), the rgb interface (video of point three primary colors input
Interface) and SPI serial line interfaces (Serial Peripheral Interface, serial type Peripheral Interface are a kind of high speeds, entirely
Duplex, synchronous serial communication bus).The drive control chip can be connect with the singlechip chip by Intel 8086
A kind of interface connection in mouth, rgb interface and SPI interface；Preferably, the drive control chip 2 and the monolithic movement
Piece is connected by FSMC interfaces (Flexible Static Memory Controller, variable static storage control unit interface).
FSMC interfaces are a kind of special connecting interface suitable for intel8086 interfaces of STM32F series monolithic chips, its fortune
As mechanism be by intel8086 interface mappings be singlechip chip inside a register address, its advantage can be by
The Simultaneous Transmission of Data of multiple I/O interfaces, than common I/O interfaces transmission speed faster, expend processor few time.
The singlechip chip 3 by SPI interface (Serial Peripheral Interface, serial type Peripheral Interface,
It is a kind of high speed, full duplex, synchronous serial communication bus) electrically connected with the flash storage 5.People in the art
It is understood that the type according to flash storage chip may be selected adaptable interface, the advantage using SPI interface is to connect to member
Wiring is few.
In the present invention, several external communication interfaces 4 can be selected from SPI interface (Serial Peripheral
Interface, serial type Peripheral Interface is a kind of high speed, full duplex, synchronous serial communication bus), I2C interfaces
(Inter-Integrated Circui, twin wire serial type EBI are that the twin wire developed by PHILIPS companies is serial
Bus), UART interface (Universal Asynchronous Receiver/Transmitter universal asynchronous receiving-transmitting transmitters
Interface), one or more in USB interface (Universal Serial Bus USBs).As needed, the number
Individual external communication interface 4 can be a kind of, two kinds or more kinds of combination therein, for example, can set three outsides leading to
Letter interface 4, respectively including a USB interface, a UART interface and a SPI interface.It is preferable, however, that setting four
Or more external communication interface 4, respectively including a SPI interface, I2C interfaces, a UART interface and a USB
Interface, meets the connection requirement of more external equipments, and compatibility is more preferably.Certainly, several external communication interfaces 4 as needed
Can also be other interface shape, in a word, conventional interface can be covered in the present invention.
In the present invention, software program is provided with the singlechip chip 3, when system works, the singlechip chip 3
After initialization LCDs 1, the data of external communication interface 4 are constantly monitored, if receiving the AT instructions of external equipment transmission,
Meeting analysis instruction character string simultaneously searches corresponding instruction execution subroutine, performs the instruction repertorie, be may proceed to after completing instruction
Data in monitoring external communication interface 4.
In the present invention, the singlechip chip 3 passes through communication protocol software and is connected to one or several PERCOM peripheral communication
One of interface 4 or several external equipments are communicated, and the communication protocol software is that the AT that can be received in AT command set refers to
The communication protocol software of order.The communication for following is needed when the AT command set is the singlechip chip 3 and external device communication
Protocol command set.In the present embodiment, communication protocol software is included in the software program of singlechip chip 3, external equipment
Only need to send the instruction of AT command set, AT command set is character string instruction set, and advantage is instruction unification, simply, easily
With, and do not allow error-prone.External equipment only needs to transmit this character Command, unrelated with specific coffret and equipment,
It is compatible strong.The AT command set is write by inventor, the AT command set, and comprising to issue orders, every order is character
String：
AT+SD：Input equipment title, and the tft liquid crystal screen is initialized according to title；
AT+II：Initialize presently described tft liquid crystal screen；
AT+GX：Return to presently described tft liquid crystal screen viewing area X-axis length；
AT+GY：Return to presently described tft liquid crystal screen viewing area Y-axis length；
AT+DO：Open the tft liquid crystal screen backlight；
AT+DF：Close the tft liquid crystal screen backlight；
AT+SC：Contrast is set；
AT+SB：Adjust the tft liquid crystal screen brightness；
AT+SP：The tft liquid crystal screen viewing area page number selection；
AT+WP：The tft liquid crystal screen viewing area page operations；
AT+cs：The tft liquid crystal screen cls operation；
AT+fs：The full frame a kind of color of filling of tft liquid crystal screen；
AT+sf：Foreground is set；
AT+gf：Obtain foreground；
AT+sb：Background colour is set；
AT+gb：Obtain background colour；
AT+dp：Draw point operation；
AT+dl：Setting-out is operated；
AT+dr：Draw hollow rectangle operation；
AT+dc：Draw open circles operation；
AT+dR：Draw hollow round rectangle operation；
AT+fr：Draw filling rectangular operation；
AT+fc：Draw filling circle operation；
AT+fR：Draw filling round rectangle；
AT+ps：Display string operation；
AT+pi：Display integer digit manipulation；
AT+pf：Display floating point number operation；
AT+sF：Set font operation；
AT+gF：Obtain font operation；
AT+gX：Obtain font X-axis size；
AT+gY：Obtain font Y-axis size；
AT+dB：Draw bitmap operation；
AT+DT：Data transfer operation；
AT+ED：DTD is operated；
AT+FW：Flash write operations；
AT+gt：Obtain touch key-press return value.
As shown in figure 3, present invention also offers the display methods of above-mentioned liquid crystal display systems, under the display methods includes
State step：Step S1, one or several external equipments are connected to one or several external communication interfaces 4, and initialize liquid
Crystal display screen 1；
Step S2, the singlechip chip 3 are electrically connected with the external communication interface 4, and wait external equipment to be received to send out
Send the instruction in AT command set；
Step S3, the singlechip chip 3 receive the AT instructions of external equipment transmission, then parse the AT instructions, if
The AT for being not received by external equipment transmission instructs then return to step S2；
Step S4, the singlechip chip 3 perform the AT instructions after receiving and parsing through, and with drive control chip 2
Carry out signal transmission, the then return to step S2 after the AT instructions have been performed of the singlechip chip 3；
The signal that the singlechip chip 3 is transmitted is converted into display information by step S5, the drive control chip 2, and
The display information is passed into LCDs 1；
Step S6, the LCDs 1 complete the display of display information.
In the present invention, it is preferred to, in step s 4, the singlechip chip 3 is instructed according to the AT after receiving and parsing through,
Not only signal transmission can be carried out with the drive control chip 2, data access operation can also be carried out with flash storage 5,
Data are temporarily stored in flash storage 5.
In sum, external equipment is connected to external communication interface 4, by sending the instruction in AT command set, with institute
State singlechip chip 3 and enter row data communication.The singlechip chip 3 receive AT instruction, analysis instruction, then with the drive control
Chip 2 carries out signal transmission, and the signal that the singlechip chip 3 is transmitted is converted into display letter by drive control chip 2
Breath, and the display information is passed into LCDs 1, the last LCDs 1 completes the display of display information.
Describe the present invention in detail with reference to embodiments, but be not so limited the present invention.
The first embodiment of the present invention provides a kind of thin film transistor liquid crystal display system.As shown in Fig. 2 the film is brilliant
Body pipe liquid crystal display systems includes thin film transistor liquid crystal display screen 11, drive control chip 2HX8352A 21, singlechip chip
3STM32F103VE 31, flash storage 5SST25VF064CS3AE 51, I2C interfaces 41, SPI interface 42, UART interface
43rd, USB interface 44.The thin film transistor 11 uses 3.2 cun of liquid crystal displays, by drive control chip 2HX8352A
21 realize control.The singlechip chip 3STM32F103VE 31 passes through FSMC interfaces and the drive control chip
2HX8352A 21 is connected.The singlechip chip 3STM32F103VE 31 passes through SPI interface and flash storage
5SST25VF064CS3AE 51 is connected.The singlechip chip 3STM32F103VE 31 by I2C interfaces 41, SPI interface 42,
UART interface 43, USB interface 44 and external device communication.Include software program in singlechip chip 3STM32F103VE31,
Program execution flow such as Fig. 4.When system works, the singlechip chip 3STM32F103VE.31 initializes thin film transistor (TFT) liquid
After crystal display screen 11, constantly monitoring external communication interface data, if receiving the AT instructions of external equipment transmission, can parse and refer to
Make character string and search corresponding instruction execution subroutine, perform the instruction repertorie, monitoring outside is may proceed to after completing instruction
Data on interface.During the singlechip chip performs the instruction repertorie, signal is carried out with drive control chip
The signal that the singlechip chip is transmitted is converted into display information by transmission, the drive control chip, and the display is believed
Breath passes to LCDs；Finally, the LCDs completes the display of display information.
As described above, liquid crystal display systems of the invention is by setting singlechip chip and for connecting external equipment
Several external communication interfaces, external communication interface is connected to by external equipment, and the finger in AT command set is sent by external equipment
Order, row data communication is entered with the singlechip chip.The singlechip chip receives AT instructions, analysis instruction, then with the drive
Dynamic control chip carries out signal transmission, and the signal that the singlechip chip is transmitted is converted into display by drive control chip
Information, and the display information is passed into LCDs, the last LCDs completes the display of display information.This
Plant liquid crystal display systems and be applied to most of different external equipments, the same communication protocols of most of different equipment can be made
View control tft liquid crystal, and the singlechip chip can from different drive control chip communications, such that it is able to suitable
For different LCDs.The different electronic products of the convenient connection of this liquid crystal display systems are used, and are conveniently made
Electronic product exploitation is carried out with LCDs, development difficulty is reduced, is improved development efficiency, compatibility is more preferably.In addition, increased
The data of the display contents such as flash storage, pictorial information data, the font information data of the display that can be used to prestoring, reduce
The incoming data volume of external equipment, reduces the communication difficulty of external equipment.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned implementation method
Detail, in range of the technology design of the invention, various simple variants can be carried out to technical scheme, this
A little simple variants belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy is no longer separately illustrated.
Additionally, can also be combined between a variety of implementation methods of the invention, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (10)
1. a kind of display methods of liquid crystal display systems, it is characterised in that the display methods comprises the steps：Step S1,
One or several external equipments are connected to one or several external communication interfaces, and initialize LCDs；
Step S2, single-chip microcomputer are electrically connected with the external communication interface, and wait the external equipment to be received to send AT command set
In AT instruction；
Step S3, the single-chip microcomputer receive the AT instructions of external equipment transmission, then the AT instructions are parsed, if being not received by
The AT that external equipment sends instructs then return to step S2；
AT instructions after being received and parsed through described in step S4, single-chip microcomputer execution, and carry out signal biography with drive control chip
Pass, the single-chip microcomputer then return to step S2 after AT instruction has been performed；
The signal that the single-chip microcomputer is transmitted is converted into display information by step S5, the drive control chip, and by the display
Information transmission is to LCDs；
Step S6, the LCDs complete the display of display information.
2. method according to claim 1, it is characterised in that in step s 4, the single-chip microcomputer according to the reception simultaneously
AT instructions after parsing, carry out signal transmission or carry out data access behaviour with flash storage with the drive control chip
Make.
3. method according to claim 1, it is characterised in that the AT command set includes several AT instructions, every AT refers to
Order is character string, and the AT command set is at least instructed including following AT：
AT+SD：Input equipment title, and tft liquid crystal screen is initialized according to title；
AT+II：Initialize presently described tft liquid crystal screen；
AT+GX：Return to presently described tft liquid crystal screen viewing area X-axis length；
AT+GY：Return to presently described tft liquid crystal screen viewing area Y-axis length；
AT+DO：Open the tft liquid crystal screen backlight；
AT+DF：Close the tft liquid crystal screen backlight；
AT+SC：Contrast is set；
AT+SB：Adjust the tft liquid crystal screen brightness；
AT+SP：The tft liquid crystal screen viewing area page number selection；
AT+WP：The tft liquid crystal screen viewing area page operations；
AT+cs：The tft liquid crystal screen cls operation；
AT+fs：The full frame a kind of color of filling of tft liquid crystal screen；
AT+sf：Foreground is set；
AT+gf：Obtain foreground；
AT+sb：Background colour is set；
AT+gb：Obtain background colour；
AT+dp：Draw point operation；
AT+dl：Setting-out is operated；
AT+dr：Draw hollow rectangle operation；
AT+dc：Draw open circles operation；
AT+dR：Draw hollow round rectangle operation；
AT+fr：Draw filling rectangular operation；
AT+fc：Draw filling circle operation；
AT+fR：Draw filling round rectangle；
AT+ps：Display string operation；
AT+pi：Display integer digit manipulation；
AT+pf：Display floating point number operation；
AT+sF：Set font operation；
AT+gF：Obtain font operation；
AT+gX：Obtain font X-axis size；
AT+gY：Obtain font Y-axis size；
AT+dB：Draw bitmap operation；
AT+DT：Data transfer operation；
AT+ED：DTD is operated；
AT+FW：Flash write operations；
AT+gt：Obtain touch key-press return value.
4. a kind of liquid crystal display systems, the liquid crystal display systems includes the drive that LCDs is electrically connected with LCDs
Dynamic control chip, it is characterised in that the liquid crystal display systems also includes singlechip chip and for connecting external equipment
Several external communication interfaces, the singlechip chip is connected with the drive control chip；The singlechip chip has connection
Interface, the singlechip chip is connected by connecting interface with several external communication interfaces, and the liquid crystal display systems leads to
The display methods for crossing the liquid crystal display systems described in claim 1 carrys out display information.
5. liquid crystal display systems according to claim 4, it is characterised in that the singlechip chip is soft by communication protocol
Part is communicated with one or several external equipments being connected to one or several external communication interfaces, the communication protocol software
For the communication protocol software of the instructions of the AT in AT command set can be received.
6. the liquid crystal display systems according to claim 4 or 5, it is characterised in that the drive control chip and the list
Piece movement piece is connected by a kind of interface in the interfaces of Intel 8086, rgb interface and SPI interface.
7. the liquid crystal display systems according to claim 4 or 5, it is characterised in that several external communication interfaces are selected from
One or more in SPI interface, I2C interfaces, UART interface, USB interface.
8. the liquid crystal display systems according to claim 4 or 5, it is characterised in that the liquid crystal display systems also includes
Flash storage, the flash storage is connected with the singlechip chip.
9. liquid crystal display systems according to claim 8, it is characterised in that the singlechip chip by SPI interface with
The flash storage connection.
10. the liquid crystal display systems according to claim 4 or 5, it is characterised in that the liquid crystal display systems is brilliant film
Body pipe liquid crystal display systems, the LCDs is thin film transistor liquid crystal display screen.
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| JP2012003155A (en) * | 2010-06-18 | 2012-01-05 | Funai Electric Co Ltd | Television receiver |
| CN202917149U (en) * | 2012-10-25 | 2013-05-01 | 厦门龙特电子科技有限公司 | Liquid crystal display module |
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