CN103824550A - Liquid crystal screen display system and method based on time division multiplex access technique - Google Patents
Liquid crystal screen display system and method based on time division multiplex access technique Download PDFInfo
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- CN103824550A CN103824550A CN201410062097.9A CN201410062097A CN103824550A CN 103824550 A CN103824550 A CN 103824550A CN 201410062097 A CN201410062097 A CN 201410062097A CN 103824550 A CN103824550 A CN 103824550A
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Abstract
The invention discloses a liquid crystal screen display system based on a time division multiplex access technique. The system comprises a liquid crystal screen, a liquid crystal screen display controller and a display data storage, wherein data exchange between the display system and external equipment is finished in an idle area of the display data storage, and data in the display data storage are updated onto the liquid crystal screen on a busy area of the display data storage. According to the system and method, on the premise that cost is not increased, display data of the liquid crystal screen can be updated, and the external equipment is allowed to read and write the data at any moment.
Description
Technical field
The present invention relates to field of liquid crystal display, particularly a kind of liquid crystal display display system and method based on time-sharing multiplexing technology.
Background technology
Along with the generally use of liquid crystal display display system on consumer product and industrial series products, the simplicity that liquid crystal display display system is used and dirigibility become the key factor of weighing liquid crystal display display system performance at present.Require liquid crystal display display system in the time upgrading liquid crystal display demonstration data, the occasion that allows external unit to read and write data is at any time more and more.But because display data memory is not double port memory, therefore, in the time upgrading liquid crystal display demonstration data, allowing external unit to read and write data is a difficult point of liquid crystal display display system.
The solution adopting at present has two kinds, and one is to provide busy signal to external unit, and in the time that busy signal is effective, external unit stops to display system data writing or reading out data; After waiting for that busy signal is invalid, then operate.This method is easy to realize, and shortcoming is that external unit must be differentiated busy signal, data writing or reading out data at any time, and the Data Update speed of display system will reduce greatly.Another kind method is to use ping-pong operation design philosophy, adopt multi-disc random access memory (RAM, Random Access Memory) as showing data storage area, the different sheet random access memory of blocked operation show Data Update and external unit data writing or reading out data for liquid crystal display.This method can realize external unit data writing or reading out data at any time, but shortcoming is to need the different sheet random access memory of blocked operation, and algorithm complex is high, has increased random access memory quantity simultaneously, will cause cost to increase.
Summary of the invention
The shortcoming that the object of the invention is to overcome prior art, with not enough, provides a kind of liquid crystal display display system based on time-sharing multiplexing technology.
Another object of the present invention is to provide a kind of liquid crystal display display packing based on time-sharing multiplexing technology.
Object of the present invention realizes by following technical scheme:
A kind of liquid crystal display display system based on time-sharing multiplexing technology, comprise liquid crystal display, liquid crystal display display controller and display data memory, wherein liquid crystal display display controller is connected with liquid crystal display, display data memory respectively, and the port joining with external unit is provided
Described display data memory, in the time that the external unit being connected with liquid crystal display display controller sends data writing or reading out data instruction, provide the memory unit address of wanting data writing or reading out data, liquid crystal display display controller judges display data memory in free area or busy district: if free area is switched to system state external device data write state or reading state; If busy district is switched to external device data write state or reading state by system state after waiting for and entering display data memory free area; Enter after external device data write state, the demonstration data that liquid crystal display display controller writes external unit are written to display data memory; Enter after external device data reading state, the demonstration data that liquid crystal display display controller will read external unit are issued external unit.
Described liquid crystal display display controller, comprise system state machine controller, display data memory controller, liquid crystal display display timing generator controller and external unit communication interface controller, wherein system state machine controller is connected with display data memory controller, liquid crystal display display timing generator controller, external unit communication interface controller respectively, display data memory controller is connected with display data memory, liquid crystal display display timing generator controller is connected with liquid crystal display, and external unit communication interface controller is connected with external unit; Enter after external device data write state, the demonstration data that display data memory controller writes external unit are written to display data memory; Enter after external device data reading state, the demonstration data that display data memory controller will read external unit, issue external unit by external unit communication interface controller.
Described display data memory free area, comprises row signal blanking zone and field signal blanking zone in storer free area, the liquid crystal display procedure for displaying of liquid crystal display data useful signal valid period.
The storer free area of described liquid crystal display data useful signal valid period, refers to the interval outside the busy district of liquid crystal display data useful signal valid period storer.
The busy district of described display data memory, comprises the busy district of storer of liquid crystal display data useful signal valid period.
The busy district of storer of described liquid crystal display data useful signal valid period, comprise the memory address write operation of liquid crystal display clock signal effective edge along front and back display data memory, storage data read operation, storage reading and writing data postpones wait, and display data memory stores unit refreshes and self-refresh and precharge operation.
Described display data memory is static random reservoir or dynamic RAM.
Another object of the present invention realizes by following technical scheme:
A liquid crystal display display packing based on time-sharing multiplexing technology, comprises following three parts:
A, liquid crystal display Data Update
S1. before liquid crystal display data useful signal is effective, liquid crystal display display timing generator controller sends signal to system state machine controller, and system state is switched to liquid crystal display Data Update state by system state machine controller;
S2. display data memory controller starts reading out data from display data memory respective memory unit, gives liquid crystal display display timing generator controller;
S3. liquid crystal display display timing generator controller will show that Data Update is to liquid crystal display;
B, external unit data writing
S1. external unit sends data writing instruction to liquid crystal display display system, and provides the memory unit address of wanting data writing;
S2. external unit communication interface controller is being received after data writing instruction, sends signal to system state machine controller: be in display data memory free area if current, so system state be switched to external device data write state; If be in the busy district of display data memory current, system state machine controller will slightly be waited for so, wait and enter behind display data memory free area, and system state is switched to external device data write state;
S3. enter after external device data write state, the demonstration data that display data memory controller writes external unit are written to display data memory;
C, external unit reading out data
S1. external unit sends reading out data instruction to liquid crystal display display system, and provides the memory unit address of wanting reading out data;
S2. external unit communication interface controller is being received after reading out data instruction, sends signal to system state machine controller: be in display data memory free area if current, so system state be switched to external device data reading state; If be in the busy district of display data memory current, system state machine controller will slightly be waited for so, wait and enter behind display data memory free area, and system state is switched to external device data reading state;
S3. enter after external device data reading state, the demonstration data that display data memory controller will read external unit, issue external unit by external unit communication interface controller.
Compared with prior art, tool has the following advantages and beneficial effect in the present invention:
1, the present invention rationally utilizes the feature of liquid crystal display display timing generator and video memory memory read/write sequential, has designed the liquid crystal display display system that adopts storer time-sharing multiplexing technology.Do not increasing under the prerequisite of cost, can realize when upgrading liquid crystal display demonstration data, allowing external unit to read and write data at any time.Adopt CPLD(CPLD, Complex Programmable Logic Device) or FPGA(field programmable gate array, Field Programmable Gate Array) as liquid crystal display controller, realize sequential and accurately control, solve a difficult problem that shows flower screen.Both avoided need to forbidding that external unit reads and writes data in the time of liquid crystal display Data Update, do not increased again design difficulty and system cost.Therefore, the present invention has the design of being easy to and realizes, and display effect is good, and external unit access complexity is low, and cost is low, the advantage that is applicable to applying.
2,, in the process of external unit data writing, because the storage unit of display data memory becomes mapping relations one to one with liquid crystal display pixel, new demonstration data will be updated on liquid crystal display in the next liquid crystal display Data Update cycle.Under CPLD frequency of operation 50MHz and liquid crystal display clock frequency 25MHz, the highest frequency of external unit data writing can reach 25MHz, external unit data writing at any time under highest frequency.
3, in the process of external unit reading out data, under CPLD frequency of operation 50MHz and liquid crystal display clock frequency 25MHz, the highest frequency of external unit reading out data can reach 25MHz, external unit reading out data at any time under highest frequency.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of liquid crystal display display system based on time-sharing multiplexing technology of the present invention;
Fig. 2 is the storer free area/busy district schematic diagram of the liquid crystal display data useful signal valid period of system described in Fig. 1;
Fig. 3 is row signal blanking zone and the field signal blanking zone schematic diagram in the liquid crystal display procedure for displaying of system described in Fig. 1.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
A kind of liquid crystal display display system based on time-sharing multiplexing technology, as Fig. 1, comprise liquid crystal display, liquid crystal display display controller and display data memory, wherein liquid crystal display display controller is connected with liquid crystal display, display data memory respectively, and provide the port joining with external unit, described display data memory is static random reservoir or dynamic RAM;
Described display data memory, in the time that the external unit being connected with liquid crystal display display controller sends data writing or reading out data instruction, provide the memory unit address of wanting data writing or reading out data, liquid crystal display display controller judges data-carrier store in free area or busy district: if free area is switched to system state external device data write state or reading state; If busy district is switched to external device data write state or reading state by system state after waiting for and entering display data memory free area; Enter after external device data write state, the demonstration data that liquid crystal display display controller writes external unit are written to display data memory; Enter after external device data reading state, the demonstration data that liquid crystal display display controller will read external unit are issued external unit;
In conjunction with Fig. 2 and Fig. 3, display data memory operational zone is described further:
Fig. 2 represents storer free area and the busy district of liquid crystal display data useful signal valid period, and in figure, CLK is liquid crystal display clock signal, gives tacit consent to liquid crystal display data useful signal effective in figure: Fig. 2 (a) is that liquid crystal display clock signal is the effective situation of rising edge; Fig. 2 (b) is that liquid crystal display clock signal is the effective situation of negative edge;
Fig. 3 represents row signal blanking zone and the field signal blanking zone in liquid crystal display procedure for displaying: in figure, CLK is liquid crystal display clock signal, DE is liquid crystal display data useful signals, HV is the capable signal of liquid crystal display, TV is liquid crystal display field signal, in figure, blanking zone is the union of row signal blanking zone and field signal blanking zone, and visible range is that liquid crystal display shows the region outside blanking zone in a frame data process;
Described display data memory free area, comprise row signal blanking zone and field signal blanking zone (as shown in Figure 3) in storer free area (as shown in Figure 2), the liquid crystal display procedure for displaying of liquid crystal display data useful signal valid period, the storer free area of described liquid crystal display data useful signal valid period, refers to the interval outside the busy district of liquid crystal display data useful signal valid period storer; The busy district of described display data memory, comprise the busy district of storer of liquid crystal display data useful signal valid period, the busy district of storer (as shown in Figure 2) of described liquid crystal display data useful signal valid period, comprise the memory address write operation of liquid crystal display clock signal effective edge along front and back display data memory, storage data read operation, storage reading and writing data postpones wait, and display data memory stores unit refreshes and self-refresh and precharge operation;
Described liquid crystal display display controller, comprise system state machine controller, display data memory controller, liquid crystal display display timing generator controller and external unit communication interface controller, wherein system state machine controller is connected with display data memory controller, liquid crystal display display timing generator controller, external unit communication interface controller respectively, display data memory controller is connected with display data memory, liquid crystal display display timing generator controller is connected with liquid crystal display, and external unit communication interface controller is connected with external unit; Enter after external device data write state, the demonstration data that display data memory controller writes external unit are written to display data memory; Enter after external device data reading state, the demonstration data that display data memory controller will read external unit, issue external unit by external unit communication interface controller;
Described display data memory controller produces display data memory and reads and writes required clock signal;
Described liquid crystal display display timing generator controller produces the required clock signal of liquid crystal display display timing generator controller, and files a request to system state machine controller according to liquid crystal display Data Update demand.
A liquid crystal display display packing based on time-sharing multiplexing technology, comprises following three parts:
A, liquid crystal display Data Update
S1. before liquid crystal display data useful signal is effective, liquid crystal display display timing generator controller sends signal to system state machine controller, and system state is switched to liquid crystal display Data Update state by system state machine controller;
S2. display data memory controller starts reading out data from display data memory respective memory unit, gives liquid crystal display display timing generator controller;
S3. liquid crystal display display timing generator controller will show that Data Update is to liquid crystal display;
B, external unit data writing
S1. external unit sends data writing instruction to liquid crystal display display system, and provides the memory unit address of wanting data writing;
S2. external unit communication interface controller is being received after data writing instruction, sends signal to system state machine controller: be in display data memory free area if current, so system state be switched to external device data write state; If be in the busy district of display data memory current, system state machine controller will slightly be waited for so, wait and enter behind display data memory free area, and system state is switched to external device data write state;
S3. enter after external device data write state, the demonstration data that display data memory controller writes external unit are written to display data memory;
C, external unit reading out data
S1. external unit sends reading out data instruction to liquid crystal display display system, and provides the memory unit address of wanting reading out data;
S2. external unit communication interface controller is being received after reading out data instruction, sends signal to system state machine controller: be in display data memory free area if current, so system state be switched to external device data reading state; If be in the busy district of display data memory current, system state machine controller will slightly be waited for so, wait and enter behind display data memory free area, and system state is switched to external device data reading state;
S3. enter after external device data reading state, the demonstration data that display data memory controller will read external unit, issue external unit by external unit communication interface controller.
Take above-described time-sharing multiplexing technology, neither needing provides busy signal to external unit, do not need to adopt multi-disc random access memory to realize ping-pong operation yet, do not increasing under the prerequisite of cost, can realize when upgrading liquid crystal display demonstration data, allow external unit to read and write data at any time.Both avoided need to forbidding that external unit reads and writes data in the time of liquid crystal display Data Update, do not increased again design difficulty and system cost.Have the design of being easy to and realize, display effect is good, and external unit access complexity is low, and cost is low, the advantage that is applicable to applying.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (8)
1. the liquid crystal display display system based on time-sharing multiplexing technology, comprise liquid crystal display, liquid crystal display display controller and display data memory, wherein liquid crystal display display controller is connected with liquid crystal display, display data memory respectively, and the port joining with external unit is provided, and it is characterized in that:
Described display data memory, in the time that the external unit being connected with liquid crystal display display controller sends data writing or reading out data instruction, provide the memory unit address of wanting data writing or reading out data, liquid crystal display display controller judges display data memory in free area or busy district: if free area is switched to system state external device data write state or reading state; If busy district is switched to external device data write state or reading state by system state after waiting for and entering display data memory free area; Enter after external device data write state, the demonstration data that liquid crystal display display controller writes external unit are written to display data memory; Enter after external device data reading state, the demonstration data that liquid crystal display display controller will read external unit are issued external unit.
2. the liquid crystal display display system based on time-sharing multiplexing technology according to claim 1, it is characterized in that: described liquid crystal display display controller, comprise system state machine controller, display data memory controller, liquid crystal display display timing generator controller and external unit communication interface controller, wherein system state machine controller respectively with display data memory controller, liquid crystal display display timing generator controller, external unit communication interface controller is connected, display data memory controller is connected with display data memory, liquid crystal display display timing generator controller is connected with liquid crystal display, external unit communication interface controller is connected with external unit, enter after external device data write state, the demonstration data that display data memory controller writes external unit are written to display data memory, enter after external device data reading state, the demonstration data that display data memory controller will read external unit, issue external unit by external unit communication interface controller.
3. the liquid crystal display display system based on time-sharing multiplexing technology according to claim 1, it is characterized in that: described display data memory free area, comprises row signal blanking zone and field signal blanking zone in storer free area, the liquid crystal display procedure for displaying of liquid crystal display data useful signal valid period.
4. the liquid crystal display display system based on time-sharing multiplexing technology according to claim 3, it is characterized in that: the storer free area of described liquid crystal display data useful signal valid period, refers to the interval outside the busy district of liquid crystal display data useful signal valid period storer.
5. the liquid crystal display display system based on time-sharing multiplexing technology according to claim 1, is characterized in that: the busy district of described display data memory, comprises the busy district of storer of liquid crystal display data useful signal valid period.
6. the liquid crystal display display system based on time-sharing multiplexing technology according to claim 5, it is characterized in that: the busy district of storer of described liquid crystal display data useful signal valid period, comprise the memory address write operation of liquid crystal display clock signal effective edge along front and back display data memory, storage data read operation, storage reading and writing data postpones wait, and display data memory stores unit refreshes and self-refresh and precharge operation.
7. the liquid crystal display display system based on time-sharing multiplexing technology according to claim 1, is characterized in that: described display data memory is static random reservoir or dynamic RAM.
8. the liquid crystal display display packing based on time-sharing multiplexing technology, is characterized in that: comprise following three parts
A, liquid crystal display Data Update
S1. before liquid crystal display data useful signal is effective, liquid crystal display display timing generator controller sends signal to system state machine controller, and system state is switched to liquid crystal display Data Update state by system state machine controller;
S2. display data memory controller starts reading out data from display data memory respective memory unit, gives liquid crystal display display timing generator controller;
S3. liquid crystal display display timing generator controller will show that Data Update is to liquid crystal display;
B, external unit data writing
S1. external unit sends data writing instruction to liquid crystal display display system, and provides the memory unit address of wanting data writing;
S2. external unit communication interface controller is being received after data writing instruction, sends signal to system state machine controller: be in display data memory free area if current, so system state be switched to external device data write state; If be in the busy district of display data memory current, system state machine controller will slightly be waited for so, wait and enter behind display data memory free area, and system state is switched to external device data write state;
S3. enter after external device data write state, the demonstration data that display data memory controller writes external unit are written to display data memory;
C, external unit reading out data
S1. external unit sends reading out data instruction to liquid crystal display display system, and provides the memory unit address of wanting reading out data;
S2. external unit communication interface controller is being received after reading out data instruction, sends signal to system state machine controller: be in display data memory free area if current, so system state be switched to external device data reading state; If be in the busy district of display data memory current, system state machine controller will slightly be waited for so, wait and enter behind display data memory free area, and system state is switched to external device data reading state;
S3. enter after external device data reading state, the demonstration data that display data memory controller will read external unit, issue external unit by external unit communication interface controller.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112437A (en) * | 2014-07-15 | 2014-10-22 | 河南科技大学 | Time division multiplex access based liquid crystal drive device |
| CN109064987A (en) * | 2018-08-31 | 2018-12-21 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device with the liquid crystal display panel |
| CN110048484A (en) * | 2019-04-30 | 2019-07-23 | 珠海格力电器股份有限公司 | Communication control circuit, control method and device thereof and air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020118206A1 (en) * | 2001-01-23 | 2002-08-29 | Guenter Knittel | Method and apparatus for implementing spread memory layout |
| CN1368685A (en) * | 2001-02-10 | 2002-09-11 | 深圳市中兴集成电路设计有限责任公司 | Bus interface with instruction buffer and its method for accessting extenal storage |
| CN102057361A (en) * | 2008-06-16 | 2011-05-11 | 密克罗奇普技术公司 | Programmable cycle state machine interface |
| CN103137092A (en) * | 2013-02-04 | 2013-06-05 | 格科微电子（上海）有限公司 | Arbitration method, arbitration circuit, liquid crystal display (LCD) driving circuit and LCD driving system |
| CN103544994A (en) * | 2012-07-10 | 2014-01-29 | 慧荣科技股份有限公司 | Flash memory controller and flash memory debugging method |
-
2014
- 2014-02-24 CN CN201410062097.9A patent/CN103824550B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020118206A1 (en) * | 2001-01-23 | 2002-08-29 | Guenter Knittel | Method and apparatus for implementing spread memory layout |
| CN1368685A (en) * | 2001-02-10 | 2002-09-11 | 深圳市中兴集成电路设计有限责任公司 | Bus interface with instruction buffer and its method for accessting extenal storage |
| CN102057361A (en) * | 2008-06-16 | 2011-05-11 | 密克罗奇普技术公司 | Programmable cycle state machine interface |
| CN103544994A (en) * | 2012-07-10 | 2014-01-29 | 慧荣科技股份有限公司 | Flash memory controller and flash memory debugging method |
| CN103137092A (en) * | 2013-02-04 | 2013-06-05 | 格科微电子（上海）有限公司 | Arbitration method, arbitration circuit, liquid crystal display (LCD) driving circuit and LCD driving system |
Non-Patent Citations (3)
| Title |
|---|
| 于明，高剑: "SDRAM控制器的设计与实现", 《微处理器与可编程控制器》 * |
| 周晓波，李瑞菁，赵强: "基于FPGA的高速存储器接口应用开发", 《铁路计算机应用研究与开发》 * |
| 薛家祥，黄泽林，沈栋等: "TFT-LCD驱动中SDRAM控制器的仲裁器设计", 《液晶与显示》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104112437A (en) * | 2014-07-15 | 2014-10-22 | 河南科技大学 | Time division multiplex access based liquid crystal drive device |
| CN109064987A (en) * | 2018-08-31 | 2018-12-21 | 深圳市华星光电技术有限公司 | Liquid crystal display panel and liquid crystal display device with the liquid crystal display panel |
| US10937375B2 (en) | 2018-08-31 | 2021-03-02 | Shenzhen China Star Optoelectronics Technology Co., Ltd. | Liquid crystal display panel and liquid crystal display device having the liquid crystal display panel |
| CN110048484A (en) * | 2019-04-30 | 2019-07-23 | 珠海格力电器股份有限公司 | Communication control circuit, control method and device thereof and air conditioner |
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