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MSP-EXP430FR2355: P3.3 don't works (can't set to high level)

Part Number: MSP-EXP430FR2355

Hello.

I’m using LaunchPad MSP-EXP430FR2355 and I have a problem. When setting all pins of port 3 to output and in HIGH position (register P3OUT = 0XFF),  then I see 3.3V on all pins of port 3, except for pin P3.3.  Below is the code, tried 2 options using "driverlib.h" and without this library. In both cases, all pins on port 3 work, except for P3.3. Replace developed kit did not bring results.

My two code example (all don’t works)

Example 1
---------------------------------------------------------------
#include <msp430.h> 
#include "driverlib.h"

int main(void)
{
	WDTCTL = WDTPW | WDTHOLD;	// stop watchdog timer

	//PA.x output
    	GPIO_setAsOutputPin(GPIO_PORT_P3,
        	GPIO_PIN0 + GPIO_PIN1 + GPIO_PIN2 + GPIO_PIN3 +
        	GPIO_PIN4 + GPIO_PIN5 + GPIO_PIN6 + GPIO_PIN7
        	);

    	//Set all PA pins HI
    	GPIO_setOutputHighOnPin(GPIO_PORT_P3,
        	GPIO_PIN0 + GPIO_PIN1 + GPIO_PIN2 + GPIO_PIN3 +
        	GPIO_PIN4 + GPIO_PIN5 + GPIO_PIN6 + GPIO_PIN7
        	);

	PMM_unlockLPM5();
	
	while(1);
}

---------------------------------------------------------------

Example 2
---------------------------------------------------------------

#include <msp430.h> 

int main(void)
{
	WDTCTL = WDTPW | WDTHOLD;	// stop watchdog timer

	PM5CTL0 &= ~LOCKLPM5;	//Disable the GPIO power-on
 				//default high-impedance mode
				//to activate previously
				//configured port settings

	//All port 3 must work in GPIO mode
	P3SEL0 = 0x00; 
	P3SEL1 = 0x00; 

	P3DIR = 0xFF; 	//setting all pins of port 3 to output
	P3OUT=0xFF;	//On all pins of port 3 = Output is HIGH	

	while(1);
}

---------------------------------------------------------------

I cannot understand why there is no 3.3V on the P3.3 pin.

Thanks!

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