Texas Instruments MSP430x1xx - Page 290

USART Registers: UART Mode
13-30
USART Peripheral Interface, UART Mode
UTXIFG0
‡
Bit 1 USART0 transmit interrupt flag. UTXIFG0 is set when U0TXBUF is empty.
0 No interrupt pending
1 Interrupt pending
URXIFG0
‡
Bit 0 USART0 receive interrupt flag. URXIFG0 is set when U0RXBUF has received
a complete character.
0 No interrupt pending
1 Interrupt pending
‡
MSP430x12xx devices only