Control system of serial interface

A serial interface and control system technology, applied in the field of control systems, can solve the problems of wasting power, the timing controller cannot directly adjust the internal functions of the liquid crystal display driver, and affect the data transmission speed and display quality of the display.

Inactive Publication Date: 2013-01-09
NOVATEK MICROELECTRONICS CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the traditional timing controller cannot directly adjust the internal functions of the LCD driver. The adjustment of the internal functions of the LCD driver can only be controlled through the pins of the LCD driver. Therefore, once the hardware design is completed, it will be difficult to change the LCD driver. internal functions, which in turn affects the data transmission speed and the display quality of the display, or even has the disadvantage of wasting power

Method used

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  • Control system of serial interface
  • Control system of serial interface
  • Control system of serial interface

Examples

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no. 1 example

[0033] figure 1 It is a schematic diagram of the control system of the serial interface (serial interface) of the first embodiment of the present invention. Please refer to figure 1 , the serial interface control system 100 includes a programmable database 110 , a driver 120 , at least one driver 130 and a controller 140 . In this embodiment, the programmable database 110 provides data to be written in a programmed manner, wherein the data is, for example, a program code for the controller 140 to control the drivers 120, 130, and the program code is compatible with the drivers 120, 130 130 internal parameters are related.

[0034] Such as figure 1 As shown, driver 120 is coupled to programmable database 110 through serial interface 150 . Wherein the serial interface 150 is, for example, a serial peripheral interface (serial peripheral interface, SPI) or I 2 C bus, and the programmable database is, for example, an electrically erasable read-only memory. The driver 120 is ...

no. 2 example

[0045] image 3 It is a schematic diagram of the control system of the serial interface according to the second embodiment of the present invention. image 3 The serial interface of the control system 100' with figure 1 The control system 100 of the serial interface is similar, but the main differences between the two are: image 3 The driver 130 is not directly coupled to the serial interface 150', but indirectly coupled to the serial interface 150' through the driver 120.

[0046] In detail, in this embodiment, the controller 140 is coupled to the pin SCL1 of the programmable database 140 through the serial interface 150', and is coupled to the pin SDA1 of the programmable database 140 through the serial interface 150'. The pins SCL1 and SCL2 receive the serial clock of the controller 140 through the transmission line L1, for example, and the pins SDA1 and SDA2 transmit the serial data through the transmission line L2, for example. However, since each driver 130a-130n is ...

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Abstract

A control system of a serial interface comprises a programmable database, a first driver, at least one second driver and a controller, wherein the programmable database is used for writing data in a programming manner; the first driver is coupled to the programmable database through a serial interface; the second driver is coupled to the first driver; the controller is coupled to the serial interface, and respectively coupled to the programmable database and the first driver through the serial interface; and the controller retrieves the data of the programmable database via the serial interface and adjusts the parameters of the first driver and the second driver according to the data.

Description

technical field [0001] The present invention relates to a control system, in particular to a control system of a serial interface (serial interface). Background technique [0002] With the advancement of technology, imaging devices have become ubiquitous products in daily life, and displays are an indispensable component of these imaging devices. Users read information through the display, and even indirectly control the operation of the device through the display. In addition, the vigorous development of semiconductor technology also makes flat panel display (flat panel display, FPD) tend to replace traditional cathode ray tube (CRT) display gradually. Among the types of flat panel displays, liquid crystal displays (LCDs) have become the mainstream of various display products due to their advantages of low voltage operation, no radiation scattering, light weight and small size. [0003] Generally speaking, a liquid crystal display usually includes a timing controller and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/36
Inventor 蔡宗宪王威智郭彦麟
Owner NOVATEK MICROELECTRONICS CORP
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