; MSP430G2xx2 Demo - WDT+ Failsafe Clock, DCO SMCLK ; ; Description; Allow WDT+ in watchdog to timeout.. Toggle P1.0 in main ; funnction.. LPM4 is entered, this example will demonstrate
Trang 1; MSP430G2xx2 Demo - WDT+ Failsafe Clock, DCO SMCLK
;
; Description; Allow WDT+ in watchdog to timeout Toggle P1.0 in main
; funnction LPM4 is entered, this example will demonstrate WDT+ feature
; of preventing WDT+ clock to be disabled
; The WD+ will not allow active WDT+ to be disabled by software, the
; The WDT+ will not allow active WDT+ to be disabled by software even though
; the LED continues to Flash because the WDT times out normally even though
; software has attempted to disable WDT+ clock source
; The MSP430F1xx will stop code execution when software disables WDT+ clock
; source
; ACLK = n/a, MCLK = SMCLK = default DCO
;
; MSP430G2xx2
;
-; /|\|
XIN|-; | | |
; |RST
XOUT|-; | |
; | P1.0| >LED
;
; D Dang
; Texas Instruments Inc
; December 2010
; Built with Code Composer Essentials Version: 4.2.0
;******************************************************************************* .cdecls C,LIST, "msp430g2452.h"
.text ; Program Start
; -RESET mov.w #0280h,SP ; Initialize stackpointer
bis.b #001h,&P1DIR ; P1.0 output
xor.b #001h,&P1OUT ; Toggle P1.0
bis.w #LPM4,SR ; Disable all clocks
Mainloop jmp $
; -; Interrupt Vectors
.sect ".reset" ; MSP430 RESET Vector
short RESET ;
end