option.inc

来自「初学者的第一个成功之作,希望大家共同学习共同进步.其中的S3C44B0X启动代码」· INC 代码 · 共 31 行

;**********OPTIONS*******************************
;_RAM_STARTADDRESS  EQU   0xc000000
_ISR_STARTADDRESS   EQU   0xc7fff00 ;GCS6:64M DRAM/SDRAM
;_ISR_STARTADDRESS  EQU   0xc1fff00 ;GCS6:16M DRAM


                GBLA    BUSWIDTH
BUSWIDTH	SETA    16               ; 16,32

                GBLS    BDRAMTYPE
BDRAMTYPE	SETS    "SDRAM"          ;"DRAM","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	32000000

	IF PLLCLK = 32000000	
M_DIV	EQU		24	;Fin=10MHz Fout=32MHz
P_DIV	EQU		3
S_DIV	EQU		1
	ENDIF
	
;************************************************
	END