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问 #include "MSP430x11x.h"
;------------------------------------------------------------------------------
ORG 0FC00h ; Program Start cpu=MSP430f1101
;------------------------------------------------------------------------------
RESET mov.w #300h,SP ; Initialize stackpointer
SetupBC bis.b #DIVA1,&BCSCTL1 ; ACLK/4
SetupWDT mov.w #WDT_ADLY_1000,&WDTCTL ; WDT 1s*4 interval timer
bis.b #WDTIE,&IE1 ; Enable WDT interrupt
SetupP1 mov.b #0FFh,&P1DIR ; All P1.x outputs
clr.b &P1OUT ; All P1.x reset
SetupP2 mov.b #0FFh,&P2DIR ; All P2.x outputs
clr.b &P2OUT ; All P2.x reset
eint ; Enable interrupts
;

Mainloop bis.w #GIE+CPUOFF+SCG1+SCG0,SR ; Enter LPM3
bis.b #001h,&P1OUT ; Set P1.0
push.w #20000 ; Delay to TOS
Delay dec.w 0(SP) ; Decrement TOS
jnz Delay ; Delay over?
incd.w SP ; Clean stack
bic.b #001h,&P1OUT ; Reset P1.0
jmp Mainloop ; Again
;
;------------------------------------------------------------------------------
WDT_ISR; Exit all LPMx modes, reti returns system active with GIE enabled
;------------------------------------------------------------------------------
bic.w #CPUOFF+SCG1+SCG0,0(SP) ; System active on TOS
reti ;
;
;------------------------------------------------------------------------------
; Interrupt Vectors Used MSP430x11x1
;------------------------------------------------------------------------------
ORG 0FFFEh ; MSP430 RESET Vector
DW RESET ;
ORG 0FFF4h ; WDT Vector
DW WDT_ISR ;
END 答 1: 可以啊。