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3.8 Display Interface
3.8 Display Interface
3.8.1 LCD Interface
3.8.1 LCD Interface
GMC BUS
LSCE0B
LSCE1B
LRSTB
AHB BUS
MT6251 contains a versatile LCD controller which is optimized for multimedia applications.
This controller supports many types of LCD modules and contains a rich feature set to enhance functionality.
These features are :
-Up to 176 x 220 resolution
-The internal frame buffer supports 8bpp indexed color and RGB 565
-Supports 8-bpp(RGB332),, 12-bpp(RGB444), 16-bpp(RGB565) , 18-bpp(RGB666) and 24-bpp(RGB888)
For serial LCD modules, this interface performs parallel to serial conversion and supports 8,9,16,18,24 and 32-bit
interfaces. The serial interface may use 4 pins, LSCE# , LSDA,LSCK and LSA0, or 3pins,
LSCE#, LSDA and LSCK , to enter commands and date. In the 3-wire mode , an extra bit representing the LSA0
pin is transferred before the MSB of each transaction.
LGE Internal Use Only
LGE Internal Use Only
Serial LCD
Channel
LSCK
Controller
LSA0
LSDA
LSD
LCD AHB
Master
Figure 3.8.1. Block Diagram of LCD interface
LCD GMC
Master
Layer 0~1
Overlay
Controller
Command
Queue
Configuration
Registers
Copyright © 2012 LG Electronics. Inc. All right reserved.
27
O nly for training and service purposes
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Copyright © 01 LG Electronics. Inc. All right reserved.
3. TECHNICAL BRIEF
3. TECHNICAL BRIEF
Only for training and service purposes
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