Datasheet

MSP430x241x, MSP430x261x
MIXED SIGNAL MICROCONTROLLER
SLAS541 -- JUNE 2007
16
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
interrupt flag register 1 and 2
Address76543210
02h
NMIIFG RSTIFG PORIFG OFIFG WDTIFG
rw--0 rw--(0) rw--(1) rw--1 rw--(0)
Interrupt Flag register 1
WDTIFG Set on watchdog-timer overflow or security key violation.
Reset on V
CC
power-on, or a reset condition at the RST/NMI pin in reset mode
OFIFG Flag set on oscillator fault
PORIFG Power--On interrupt flag. Set on V
CC
power--up.
RSTIFG External reset interrupt flag. Set on a reset condition at RST
/NMI pin in reset mode.
Reset on V
CC
power-up.
NMIIFG Set via RST
/NMI pin
Address76543210
03h
UCB0TX
IFG
UCB0RX
IFG
UCA0TX
IFG
UCA0RX
IFG
rw--1 rw--0 rw--1 rw--0
Interrupt Flag register 2
UCA0RXIFG USCI_A0 receive-interrupt flag
UCA0TXIFG USCI_A0 transmit-interrupt flag
UCB0RXIFG USCI_B0 receive-interrupt flag
UCB0TXIFG USCI_B0 transmit-interrupt flag
Legend rw: Bit can be read and written.
rw-0,1: Bit can be read and written. It is Reset or Set by PUC.
rw-(0,1) Bit can be read and written. It is Reset or Set by POR.
SFR bit is not present in device.
PRODUCT PRE
V
IEW