fet410_clks.s43

MSP430常用的程序源代码,很全的,一定适合你(初学者)!

#include  "msp430x41x.h"
;******************************************************************************
;   MSP-FET430P410 Demo - FLL+ Output MCLK, ACLK Using 32k XTAL and DCO 
;
;   Description; This program will output the system MCLK and ACLK.
;   ACLK = LFXT1 = 32768, MCLK = DCO = 32xACLK  1.048576MHz
;   //*An external watch crystal is required on XIN/XOUT for ACLK*//	  
;
;                 MSP430F413
;             -----------------
;         /|\|              XIN|-  
;          | |                 | 32kHz
;          --|RST          XOUT|-
;            |                 |
;            |             P1.1|-->MCLK 1048576
;            |             P1.5|-->ACLK 32kHz
;
;   M.Buccini
;   Texas Instruments, Inc
;   January 2002
;******************************************************************************
;------------------------------------------------------------------------------ 
            ORG     0E000h                  ; Program Start
;------------------------------------------------------------------------------ 
RESET       mov.w   #300h,SP                ; Initialize stackpointer
StopWDT     mov.w   #WDTPW+WDTHOLD,&WDTCTL  ; Stop WDT
SetupFLL    bis.b   #XCAP14PF,&FLL_CTL0     ; Configure load caps
SetupP1     bis.b   #022h,&P1DIR            ; P1.1 and P1.5 output direction
            bis.b   #022h,&P1SEL            ; P1.1 and P1.5 option select
                                            ;				          							  
Mainloop    jmp     Mainloop                ; 
                                            ;
;----------------------------------------------------------------------------- 
;           Interrupt Vectors Used MSP430F41x         
;----------------------------------------------------------------------------- 
            ORG     0FFFEh                  ; MSP430 RESET Vector
            DW      RESET                   ; 
            END