Samsung S3C2440A User Manual

Page 370

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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

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