MSP430F21x2

MIXED SIGNAL MICROCONTROLLER

SLAS578 -- NOVEMBER 2007

11

POST OFFICE BOX 655303

interrupt flag register 1 and 2

Address

7

654

321

0

02h

NMIIFG

RSTIFG

PORIFG

OFIFG

WDTIFG

rw--0

rw--(0)

rw--(1)

rw--1

rw--(0)

WDTIFG

Set on Watchdog Timer overflow or security key violation.

OFIFG

Flag set on oscillator fault

PORIFG

RSTIFG

External reset interrupt flag. Set on a reset condition at RST/NMI pin in reset mode. Reset on

NMIIFG

Set via RST/NMI pin

Address

7

654

321

0

03h

UCB0TX

IFG

UCB0RX

IFG

UCA0TX

IFG

UCA0RX

IFG

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