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MSP430x11x1
MIXED SIGNAL MICROCONTROLLER
SLAS241C – SEPTEMBER 1999 – REVISED JUNE 2000
17
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
Flash Module
Flash Module
Flash Module
KEYV
System Reset
Generator
VCC
POR PUC
WDTQn EQU
PUC
POR
PUC POR
NMIRS
Clear
S
WDTIFG
IRQ
WDTIE
Clear
IE1.0
PUC
POR
IRQA
TIMSEL
Counter
IFG1.0
NMITMSELNMIES
Watchdog Timer Module
Clear
S
IFG1.4
PUC
Clear
IE1.4
PUC
NMIFG
NMIIE
S
IFG1.1
Clear
IE1.1
PUC
OFIFG
OFIF
OSCFault
NMI_IRQA
IRQA: Interrupt Request Accepted
RST/NMI
S
FCTL1.1
Clear
IE1.5
ACCVIFG
ACCVIE
PUC
ACCV
WDT
Figure 2. Block Diagram of NMI Interrupt Sources