Texas Instruments MSP430x1xx User Manual page 26

System Reset and Initialization
Figure 2−5. Block Diagram of (Non)-Maskable Interrupt Sources
ACCV
ACCVIFG
S
FCTL1.1
ACCVIE
IE1.5
Clear
PUC
RST/NMI
NMIIFG
S
IFG1.4
Clear
PUC
NMIIE
IE1.4
Clear
PUC
OSCFault
OFIFG
S
IFG1.1
OFIE
IE1.1
Clear
NMI_IRQA
PUC
IRQA: Interrupt Request Accepted
2-8
System Resets, Interrupts, and Operating Modes
WDTTMSEL
WDTNMI WDTQn
WDTNMIES
IFG1.0
Clear
WDT
Counter
POR
IRQA
WDTTMSEL
IE1.0
Clear
Watchdog Timer Module
Flash Module
POR PUC
KEYV V CC
PUC
System Reset
Generator
POR
NMIRS
EQU PUC POR
WDTIFG
S
IRQ
WDTIE
PUC