option.s

来自「led,key,i2c,uart,adc,rtc,wdt测SHI 文件代码」· S 代码 · 共 45 行

;**********OPTIONS*******************************
_RAM_STARTADDRESS  EQU   0xc000000
_ISR_STARTADDRESS   EQU   0xc7fff00 ;GCS6:64M 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 = 40000000	
M_DIV	EQU	0x48	;Fin=10MHz Fout=40MHz
P_DIV	EQU	0x3
S_DIV	EQU	0x2		
	]

	[	PLLCLK = 50000000	
M_DIV	EQU	0x2a	;Fin=10MHz Fout=50MHz
P_DIV	EQU	0x3
S_DIV	EQU	0x1	
	]

	[	PLLCLK = 60000000	
M_DIV	EQU	0x34	;Fin=10MHz Fout=60MHz
P_DIV	EQU	0x3
S_DIV	EQU	0x1
	]
	
	[	PLLCLK = 66000000	
M_DIV	EQU	0x3a	;Fin=10MHz Fout=66MHz
P_DIV	EQU	0x3
S_DIV	EQU	0x1
	]

	[	PLLCLK = 75000000	
M_DIV	EQU	0x43	;Fin=10MHz Fout=75MHz
P_DIV	EQU	0x3
S_DIV	EQU	0x1		
	]
;************************************************
	END