option.s

三星S3C44B0X的一个DEMO代码,实现LCD显示时钟运行.

;**********OPTIONS*******************************
_ISR_STARTADDRESS   EQU   0xc7fff00 ;GCS6:64M DRAM/SDRAM


;BUSWIDTH; 16,32
                GBLA    BUSWIDTH 
BUSWIDTH	SETA    16


;"DRAM","SDRAM"
                GBLS    BDRAMTYPE
BDRAMTYPE	SETS    "SDRAM"


;This value has to be TRUE on ROM program.
;This value has to be FALSE in RAM program.
                GBLL    PLLONSTART
PLLONSTART      SETL    {TRUE}

	GBLA	PLLCLK
PLLCLK		SETA	60000000


	[	PLLCLK = 60000000	
M_DIV	EQU	0x34	;Fin=10MHz Fout=60MHz
P_DIV	EQU	0x3
S_DIV	EQU	0x1
	]

;************************************************
	END