Datasheet

MSP430x22x2, MSP430x22x4
MIXED SIGNAL MICROCONTROLLER
SLAS504B − JULY 2006 − REVISED JULY 2007
15
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
interrupt flag register 1 and 2
Address 7 6 5 43210
02h
NMIIFG RSTIFG PORIFG OFIFG WDTIFG
rw−0 rw−(0) rw−(1) rw−1 rw−(0)
WDTIFG Set on Watchdog Timer overflow (in watchdog mode) or security key violation.
Reset on V
CC
power up or a reset condition at RST/NMI pin in reset mode.
OFIFG Flag set on oscillator fault
RSTIFG External reset interrupt flag. Set on a reset condition at RST/NMI pin in reset mode. Reset on V
CC
power up.
PORIFG Power-On interrupt flag. Set on V
CC
power up.
NMIIFG Set via RST/NMI-pin
Address 7 6 5 43210
03h
UCB0
TXIFG
UCB0
RXIFG
UCA0
TXIFG
UCA0
RXIFG
rw−1 rw−0 rw−1 rw−0
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:
rw-0,1:
Bit can be read and written.
Bit can be read and written. It is reset or set by PUC.
Bit can be read and written. It is reset or set by POR.
rw-(0,1):
SFR bit is not present in device.