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USART Registers: UART Mode
13-28
USART Peripheral Interface, UART Mode
IE1, Interrupt Enable Register 1
76543210
UTXIE0
†
URXIE0
†
rw−0 rw−0
UTXIE0
†
Bit 7 USART0 transmit interrupt enable. This bit enables the UTXIFG0 interrupt.
0 Interrupt not enabled
1 Interrupt enabled
URXIE0
†
Bit 6 USART0 receive interrupt enable. This bit enables the URXIFG0 interrupt.
0 Interrupt not enabled
1 Interrupt enabled
Bits
5-0
These bits may be used by other modules. See device-specific datasheet.
†
Does not apply to MSP430x12xx devices. See IE2 for the MSP430x12xx USART0 interrupt enable bits
IE2, Interrupt Enable Register 2
76543210
UTXIE1 URXIE1 UTXIE0
‡
URXIE0
‡
rw−0 rw−0 rw−0 rw−0
Bits
7-6
These bits may be used by other modules. See device-specific datasheet.
UTXIE1
Bit 5 USART1 transmit interrupt enable. This bit enables the UTXIFG1 interrupt.
0 Interrupt not enabled
1 Interrupt enabled
URXIE1
Bit 4 USART1 receive interrupt enable. This bit enables the URXIFG1 interrupt.
0 Interrupt not enabled
1 Interrupt enabled
Bits
3-2
These bits may be used by other modules. See device-specific datasheet.
UTXIE0
‡
Bit 1 USART0 transmit interrupt enable. This bit enables the UTXIFG0 interrupt.
0 Interrupt not enabled
1 Interrupt enabled
URXIE0
‡
Bit 0 USART0 receive interrupt enable. This bit enables the URXIFG0 interrupt.
0 Interrupt not enabled
1 Interrupt enabled
‡
MSP430x12xx devices only