问 我把MSP430F449的通信小程序只改了个头文件，不知可不可以用在FE427上，请大侠指教!我用通信小精灵试过不行！
#include <MSP430xE42x.h>（本来是MSP430x44x.h）
void main(void)
{
WDTCTL = WDTPW + WDTHOLD; // Stop WDT
FLL_CTL0 |= XCAP14PF; // Configure load caps
UTCTL0 = SSEL1; // UCLK = SMCLK
UBR00 = 0x6D; // 1MHz 9600
UBR10 = 0x00; // 1MHz 9600
UMCTL0 = 0x00; // no modulation
UCTL0 = CHAR; // 8-bit character *SWRST*
ME1 |= UTXE0 + URXE0; // Enable USART0 TXD/RXD
IE1 |= URXIE0; // Enable USART0 RX interrupt
P2SEL |= 0x30; // P2.4,5 = USART0 TXD/RXD
P2DIR |= 0x10; // P2.4 output direction
_EINT(); // Enable interrupts

for (;;)
{
_BIS_SR(CPUOFF); // Enter LPM0
_NOP(); // Required only for C-spy
}
}

#pragma vector=UART0RX_VECTOR
__interrupt void usart0_rx (void)

{
while ((IFG1 & UTXIFG0) == 0); // USART0 TX buffer ready?
U0TXBUF = U0RXBUF; // RXBUF0 to TXBUF0
}