CCS/MSP430F67791A: uart

Tool/software: Code Composer Studio

hi i am using msp430f67791a

#include "driverlib.h"

uint16_t i;
uint8_t RXData = 0, TXData = 0;
uint8_t check = 0;

void main(void)
{
    // stop watchdog
    WDT_A_hold(WDT_A_BASE);

    //Set external clock frequency to 32.768 KHz
    UCS_setExternalClockSource(32768, 0);
    //Set ACLK=XT1
    UCS_initClockSignal(UCS_ACLK, UCS_XT1CLK_SELECT, UCS_CLOCK_DIVIDER_1);
    //Start XT1 with no time out
    UCS_turnOnLFXT1(UCS_XT1_DRIVE_0, UCS_XCAP_3);

    //Configure UART pins (UCA0TXD/UCA0SIMO, UCA0RXD/UCA0SOMI)
    //Set P3.0 and P3.1 as Module Function Input
    GPIO_setAsPeripheralModuleFunctionInputPin(
        GPIO_PORT_P3,
        GPIO_PIN4 + GPIO_PIN5
        );

    // Configure UART
    EUSCI_A_UART_initParam param = {0};
    param.selectClockSource = EUSCI_A_UART_CLOCKSOURCE_ACLK;
    param.clockPrescalar = 3;
    param.firstModReg = 0;
    param.secondModReg = 92;
    param.parity = EUSCI_A_UART_NO_PARITY;
    param.msborLsbFirst = EUSCI_A_UART_LSB_FIRST;
    param.numberofStopBits = EUSCI_A_UART_ONE_STOP_BIT;
    param.uartMode = EUSCI_A_UART_MODE;
    param.overSampling = EUSCI_A_UART_LOW_FREQUENCY_BAUDRATE_GENERATION;

    if (STATUS_FAIL == EUSCI_A_UART_init(EUSCI_A1_BASE, &param)) {
        return;
    }

    EUSCI_A_UART_enable(EUSCI_A1_BASE);

    EUSCI_A_UART_clearInterrupt(EUSCI_A1_BASE,
                         EUSCI_A_UART_RECEIVE_INTERRUPT);

    // Enable USCI_A0 RX interrupt
    EUSCI_A_UART_enableInterrupt(EUSCI_A1_BASE,
          EUSCI_A_UART_RECEIVE_INTERRUPT);                     // Enable interrupt

    __enable_interrupt();
    while (1)
    {

          // Increment TX data
        // Load data onto buffer
        EUSCI_A_UART_transmitData(EUSCI_A1_BASE,
                           TXData);
        TXData = TXData+1;

        while(check != 1);
        check = 0;
    }
}
//******************************************************************************
//
//This is the USCI_A0 interrupt vector service routine.
//
//******************************************************************************
#if defined(__TI_COMPILER_VERSION__) || defined(__IAR_SYSTEMS_ICC__)
#pragma vector=USCI_A1_VECTOR
__interrupt
#elif defined(__GNUC__)
__attribute__((interrupt(USCI_A1_VECTOR)))
#endif
void EUSCI_A1_ISR(void)
{
  switch(__even_in_range(UCA1IV,USCI_UART_UCTXCPTIFG))
  {
    case USCI_NONE: break;
    case USCI_UART_UCRXIFG:
       RXData = EUSCI_A_UART_receiveData(EUSCI_A1_BASE);
      if(!(RXData == TXData))                   // Check value
      {
        while(1);
      }
      check =1;
      break;
    case USCI_UART_UCTXIFG: break;
    case USCI_UART_UCSTTIFG: break;
    case USCI_UART_UCTXCPTIFG: break;
  }
}

i am using example code, in this i changed pins and uart channel i am not able to communicate in uart
please suggest me which are the things i need to modify

regards

bindu