MSP430X13X Datasheet, PDF (14/59 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x13x, MSP430x14x, MSP430x14x1
MIXED SIGNAL MICROCONTROLLER
SLAS272F − JULY 2000 − REVISED JUNE 2004
special function registers
Most interrupt and module-enable bits are collected in the lowest address space. Special-function register bits
not allocated to a functional purpose are not physically present in the device. This arrangement provides simple
software access.
interrupt enable 1 and 2
Address
7
6
5
4
3
0h
UTXIE0
URXIE0
ACCVIE
NMIIE
rw-0
rw-0
rw-0
rw-0
2
1
0
OFIE
WDTIE
rw-0
rw-0
WDTIE:
OFIE:
NMIIE:
ACCVIE:
URXIE0:
UTXIE0:
Watchdog-timer interrupt enable. Inactive if watchdog mode is selected. Active if watchdog
timer is configured in interval timer mode.
Oscillator-fault-interrupt enable
Nonmaskable-interrupt enable
Flash access violation interrupt enable
USART0: UART and SPI receive-interrupt enable
USART0: UART and SPI transmit-interrupt enable
Address
7
6
5
4
3
2
1
0
01h
UTXIE1
URXIE1
rw-0
rw-0
URXIE1:
UTXIE1:
USART1: UART and SPI receive-interrupt enable
USART1: UART and SPI transmit-interrupt enable
interrupt flag register 1 and 2
Address
7
6
5
4
3
02h
UTXIFG0 URXIFG0
NMIIFG
rw-1
rw-0
rw-0
2
1
0
OFIFG
WDTIFG
rw-1
rw-(0)
WDTIFG:
OFIFG:
NMIIFG:
URXIFG0:
UTXIFG0:
Set on watchdog timer overflow (in watchdog mode) or security key violation. Reset on V_CC
power up or a reset condition at the RST/NMI pin in reset mode.
Flag set on oscillator fault
Set via RST/NMI pin
USART0: UART and SPI receive flag
USART0: UART and SPI transmit flag
Address
7
6
5
4
3
2
1
0
03h
UTXIFG1 URXIFG1
rw-1
rw-0
URXIFG1: USART1: UART and SPI receive flag
UTXIFG1: USART1: UART and SPI transmit flag
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