Laptop User Manual

LCD CONTROLLER S3C2440A RISC MICROPROCESSOR
15-2
COMMON FEATURES
The LCD controller has a dedicated DMA that supports to fetch the image data from video buffer located in system
memory. Its features also include:
— Dedicated interrupt functions (INT_FrSyn and INT_FiCnt)
— The system memory is used as the display memory.
— Supports Multiple Virtual Display Screen (Supports Hardware Horizontal/Vertical Scrolling)
— Programmable timing control for different display panels
— Supports little and big-endian byte ordering, as well as WinCE data formats
— Supports 2-type SEC TFT LCD panel
(SAMSUNG 3.5” Portrait / 256K Color /Reflective and Transflective a-Si TFT LCD)
LTS350Q1-PD1: TFT LCD panel with touch panel and front light unit (Reflective type)
LTS350Q1-PD2: TFT LCD panel only
LTS350Q1-PE1: TFT LCD panel with touch panel and front light unit (Transflective type)
LTS350Q1-PE2: TFT LCD panel only
NOTE
WinCE doesn’t support the 12-bit packed data format.
Please check if WinCE can support the 12-bit color-mode.
EXTERNAL INTERFACE SIGNAL
STN TFT
SEC TFT
(LTS350Q1-PD1/2)
SEC TFT
(LTS350Q1-PE1/2)
VFRAME
(Frame sync. Signal)
VSYNC
(Vertical sync. Signal)
STV STV
VLINE
(Line sync pulse signal)
HSYNC
(Horizontal sync. Signal)
CPV CPV
VCLK
(Pixel clock signal)
VCLK
(Pixel clock signal)
LCD_HCLK LCD_HCLK
VD[23:0]
(LCD pixel data output ports)
VD[23:0]
(LCD pixel data output ports)
VD[23:0] VD[23:0]
VM
(AC bias signal for LCD driver)
VDEN
(Data enable signal)
TP TP
-
LEND
(Line end signal)
STH STH
LCD_PWREN LCD_PWREN LCD_PWREN LCD_PWREN
- -
LPC_OE LCC_INV
- -
LPC_REV LCC_REV
- -
LPC_REVB LCC_REVB