參數(shù)資料
型號: S6D0114
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 132 RGB X 176 DOT 1-CHIP DRIVER IC WITH INTERNAL GRAM FOR 262,144 Colors TFT-LCD
中文描述: 132的RGB × 176交通部1 -芯片驅(qū)動器集成電路的26萬色TFT內(nèi)部革蘭氏液晶顯示器
文件頁數(shù): 81/143頁
文件大?。?/td> 1919K
代理商: S6D0114
S6D0114 132-RGB X 176-DOT 1-CHIP DRIVER IC FOR 262,144-COLOR TFT-LCD DISPLAY
Preliminary
81
VSYNC INTERFACE
The S6D0114 incorporates VSYNC interface, which enables motion pictures to be displayed with only the
conventional system interface and the frame synchronization signal (VSYNC). This interface requires minimal
changes from the conventional system to display motion pictures.
LCDC
/MPU
S6D0114
VSYNC
CSB
RS
/WR
DB17-10, 8-1
16
Figure 49. VSYNC Interface
When DM1-0=”10” and RM=”0”, VSYNC interface is available. In this interface the internal display operation is
synchronized with VSYNC. Data for display is written to RAM via the system interface with higher speed than for
internal display operation. This method enables flicker-free display of motion pictures with the conventional
interface.
Display operation can be achieved by using the internal clock generated by the internal oscillator and the VSYNC
input. Because all the data for display is written to RAM, only the data to be rewritten is transferred. This method
reduces the amount of data transferred during motion picture display operation.
The higher-speed write mode (HWM=”1”) achieves both low power consumption and high-speed access.
Writing to screen
Writing to screen
VSYNC
GRAM data write
via system interface
Displaying operation in
synchronization with the
Internal clock
Figure 50. Moving Picture Data Transfer via VSYNC Interface
VSYNC interface requires taking the minimum speed for RAM writing via the system interface and the frequency of
the internal clock into consideration. RAM writing should be performed with higher speed than the result obtained
from the calculation shown below.
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