#include <msp430.h>

// PJ_3 -> LED High Active

#define F_CPU 4000000 // 4 Mhz

int main(void)
{
	WDTCTL = WDTPW + WDTHOLD;	// Stop watchdog timer

	PJDIR = (1<<3);	// Set PJ.3 as output 
	PJOUT = (1<<3);	// PJ.3 HIGH

	while (1)
	{
		volatile unsigned long i;
		
		PJOUT ^= (1<<3);	// Toggle output of PJ.3
	
		// Delay
		i = F_CPU/80;	

		while (i > 0)
		{
			i--;
		}
	}
}