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參數(shù)資料
| 型號(hào)： | 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(dòng)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)： | 19/143頁 |
| 文件大?。?/td> | 1919K |
| 代理商： | S6D0114 |
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S6D0114 132-RGB X 176-DOT 1-CHIP DRIVER IC FOR 262,144-COLOR TFT-LCD DISPLAY
Preliminary
19
EXTERNAL INTERFACE (RGB-I/F, VSYNC-I/F)
The S6D0114 incorporates RGB and VSYNC interface as external interface for motion picture display.
When the RGB interface is selected, the synchronization signals (VSYNC, HSYNC, and DOTCLK) are available for
display. The RGB data for display (PD17-0) are written according to enable signal (ENABLE) and data valid signal
(VLD) in synchronization with VSYNC, HSYNC, and DOTCLK signal. This allows flicker-free updating of the screen.
When the VSYNC interface is selected, internal operation is normally synchronized with internal clock except
operation related to frame synchronization: It is synchronized with the VSYNC signal. The data for display are
written to GRAM via conventional system interface. There are some limitations on the timing and methods for writing
to GRAM in VSYNC interface. See the section on the external display interface.
BIT OPERATION
The S6D0114 supports the following functions: a write data mask function that selects and writes data to GRAM in
bit unit, a logic operation function that performs logic operations or conditional determination on the display data set
in GRAM and writes to GRAM. These functions can greatly reduce the processing loads of the MPU graphics
software and can rewrite the display data in the GRAM at high speed. For details, see the Graphics Operation
Function section.
ADDRESS COUNTER (AC)
The address counter (AC) assign address to GRAM. When an address-set-instruction is written to the IR, the
address information is sent from IR to AC. After writing to the GRAM, the address value of AC is automatically
increased/decreased by 1 according to ID1-0 bit of control register. After reading data from GRAM, the AC is not
updated. A window address function allows data to be written only to a window area specified by GRAM.
GRAPHICS RAM (GRAM)
The graphics RAM (GRAM) has 18-bits/pixel and stores the bit-pattern data for 132-RGB x 176-dot display.
GRAYSCALE VOLTAGE GENERATOR
The grayscale voltage circuit generates a certain voltage level that is specified by the grayscale
-adjusting resistor
for LCD driver circuit. By use of the generator, 262,144 colors can be displayed at the same time. For details, see the
-adjusting resistor section.
TIMING GENERATOR
The timing generator generates timing signals for the operation of internal circuits such as GRAM.
The GRAM read timing for display and the internal operation timing for MPU access is generated separately to avoid
interference with one another. Several important timing signals can be monitored via signal monitoring pin (M, FLM,
CL1, EQ, DISPTMG).
OSCILLATION CIRCUIT (OSC)
The S6D0114 can provide R-C oscillation simply through the addition of an external oscillation-resistor between the
OSC1 and OSC2 pin. The appropriate oscillation frequency for operating voltage, display size, and frame frequency
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