Laptop User Manual
LCD CONTROLLER    S3C2440A RISC MICROPROCESSOR 
15-30   
LCD Control 4 Register 
Register Address R/W  Description  Reset Value
LCDCON4  0X4D00000C R/W  LCD control 4 register  0x00000000
LCDCON4 Bit  Description  Initial state 
MVAL [15:8] 
STN: These bit define the rate at which the VM signal will toggle if 
the MMODE bit is set to logic '1'. 
0X00 
HSPW(TFT) [7:0] 
TFT: Horizontal sync pulse width determines the HSYNC pulse's 
high level width by counting the number of the VCLK. 
0X00 
WLH(STN) 
STN: WLH[1:0] bits determine the VLINE pulse's high level width by 
counting the number of the HCLK. 
WLH[7:2] are reserved. 
00 = 16 HCLK, 01 = 32 HCLK, 10 = 48 HCLK, 11 = 64 HCLK 










