msp430g2xx2 wdt 04

LPM4 is entered, this example will demonstrate WDT+ feature // of preventing WDT+ clock to be disabled.. // The WDT+ will not allow active WDT+ clock to be disabled by software, the // L

//****************************************************************************** // 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 WDT+ will not allow active WDT+ clock to be disabled by software, 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 CCS Version 4.2.0 and IAR Embedded Workbench Version: 5.10

//******************************************************************************

#include <msp430g2452.h>

void main(void)

{

P1DIR |= 0x01; // Set P1.0 to output

P1OUT ^= 0x01; // Toggle P1.0

_BIS_SR(LPM4_bits); // Stop all clocks

}