MSP430X241X Datasheet, PDF (16/98 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x241x, MSP430x261x
MIXED SIGNAL MICROCONTROLLER
SLAS541A -- JUNE 2007 -- REVISED OCTOBER 2007
interrupt flag register 1 and 2
Address
7
6
5
02h
4
NMIIFG
rw--0
3
RSTIFG
rw--(0)
2
PORIFG
rw--(1)
1
OFIFG
rw--1
0
WDTIFG
rw--(0)
WDTIFG
OFIFG
PORIFG
RSTIFG
NMIIFG
Address
03h
Interrupt Flag Register 1
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
Flag set on oscillator fault7
Power--on interrupt flag. Set on V_CC power up.
External reset interrupt flag. Set on a reset condition at RST/NMI pin in reset mode. Reset
on V_CC power up.
Set via RST/NMI pin
7
6
5
4
3
2
1
0
UCB0TX
IFG
UCB0RX
IFG
UCA0TX
IFG
UCA0RX
IFG
rw--1
rw--0
rw--1
rw--0
UCA0RXIFG
UCA0TXIFG
UCB0RXIFG
UCB0TXIFG
Interrupt Flag Register 2
USCI_A0 receive-interrupt flag
USCI_A0 transmit-interrupt flag
USCI_B0 receive-interrupt flag
USCI_B0 transmit-interrupt flag
Legend
rw :
rw -0,1:
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 .
SFR bit is not present in device .
16
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