Figure 3–5. block diagram of nmi interrupt sources – Texas Instruments MSP430x1xx User Manual

Page 37

Advertising
background image

MSP430 Interrupt-Priority Scheme

3-7

System Resets, Interrupts, and Operating Modes

Figure 3–5. Block Diagram of NMI Interrupt Sources

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

NMI

TMSEL

NMIES

Watchdog Timer Module

Clear

S

IFG1.4

PUC

Clear

IE1.4

PUC

NMIFG

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

Advertising