Texas Instruments MSP430x1xx - Page 26

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