MSP430X15X Datasheet, PDF (12/73 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x15x, MSP430x16x, MSP430x161x
MIXED SIGNAL MICROCONTROLLER
SLAS368E − OCTOBER 2002 − REVISED AUGUST 2006
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
OFIE
rw-0
WDTIE:
OFIE:
NMIIE:
ACCVIE:
URXIE0:
UTXIE0:
Watchdog timer interrupt enable. Inactive if watchdog mode is selected.
Active if watchdog timer is configured as general-purpose timer.
Oscillator-fault-interrupt enable
Nonmaskable-interrupt enable
Flash memory 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
01h
UTXIE1
URXIE1
rw-0
rw-0
URXIE1^†: USART1: UART and SPI receive-interrupt enable
UTXIE1†: USART1: UART and SPI transmit-interrupt enable
† _{URXIE1 and UTXIE1 are not present in MSP430x15x devices.}
0
WDTIE
rw-0
0
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-on, 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
‡ _{URXIFG1 and UTXIFG1 are not present in MSP430x15x devices.}
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