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Texas Instruments MSP430x11x1 Block Diagram of NMI Interrupt Sources, Flash Module, IFG1.4, Ofifg

Models: MSP430x11x1

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MSP430x11x1

MIXED SIGNAL MICROCONTROLLER

SLAS241C ± SEPTEMBER 1999 ± REVISED JUNE 2000

ACCV

ACCVIFG
S
FCTL1.1
ACCVIE				Flash Module
				Flash Module
IE1.5				Flash Module
Clear				Flash Module
				Flash Module
PUC
RST/NMI
				POR	PUC
			KEYV		VCC
						PUC
				System Reset
				Generator
						POR
NMIFG
S						NMIRS
IFG1.4						NMIRS
IFG1.4
Clear	TMSEL	NMI	WDTQn	EQU	PUC	POR
NMIES	TMSEL	NMI	WDTQn	EQU	PUC	POR
PUC
NMIIE
			S	WDTIFG
IE1.4			S			IRQ
IE1.4
Clear		IFG1.0
Clear		IFG1.0
			Clear
PUC		WDT
Counter
OSCFault		POR
		POR
OFIFG
S
IFG1.1
		IRQA
OFIF		TIMSEL
OFIF
				WDTIE
IE1.1
Clear		IE1.0
		IE1.0	Clear
NMI_IRQA			Clear
PUC
Watchdog Timer Module			PUC
Watchdog Timer Module

IRQA: Interrupt Request Accepted

Figure 2. Block Diagram of NMI Interrupt Sources

POST OFFICE BOX 655303 •DALLAS, TEXAS 75265

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Texas Instruments Block Diagram of NMI Interrupt Sources, MSP430x11x1 MIXED SIGNAL MICROCONTROLLER, Flash Module, Ofifg

Contents

D Ultralow-Power Consumption MIXED SIGNAL MICROCONTROLLERD Five Power Saving Modes D Basic Clock Module Configurationsfunctional block diagram MSP430x11x1 MIXED SIGNAL MICROCONTROLLERshort-form description Terminal Functionsprocessing unit MIXED SIGNAL MICROCONTROLLERinstruction set short-form description continuedTable 1. Instruction Word Formats Table 2. Address Mode Descriptionsoperation modes and interrupts low-power consumption capabilitiesinstruction set continued MSP430x11x1 MIXED SIGNAL MICROCONTROLLERMSP430x11x1 MIXED SIGNAL MICROCONTROLLER status register R2MSP430x11x1 MIXED SIGNAL MICROCONTROLLER interrupt vector addressesINTERRUPT SOURCE INTERRUPT FLAGReset on VCC power-on or reset condition at interrupt enable 1 andFlag set on oscillator fault special function registersfunctions of the bootstrap loader boot ROM containing bootstrap loadermemory organization MSP430x11x1 MIXED SIGNAL MICROCONTROLLERfeatures of the bootstrap loader are boot ROM containing bootstrap loader continuedhardware resources used for serial input/output MSP430x11x1 MIXED SIGNAL MICROCONTROLLERD There were less than two positive edges at TEST while RST/NMI is low MSP430x11x1 MIXED SIGNAL MICROCONTROLLERboot ROM containing bootstrap loader continued MSP430x11x1 MIXED SIGNAL MICROCONTROLLER flash memoryflash memory control register FCTL1 flash memory control register FCTL1 continued flash memory, timing generator, control register FCTL2Erase 0128h, bit1, Erase a segmentflash memory, timing generator, control register FCTL2 continued Figure 1. Flash Memory Timing Generator Diagramflash memory control register FCTL3 MSP430x11x1 MIXED SIGNAL MICROCONTROLLERMIXED SIGNAL MICROCONTROLLER flash memory control register FCTL3 continuedMSP430x11x1 BUSYMSP430x11x1 MIXED SIGNAL MICROCONTROLLER flash memory, interrupt and security key violationflash memory control register FCTL3 continued LOCKMSP430x11x1 MIXED SIGNAL MICROCONTROLLER Figure 2. Block Diagram of NMI Interrupt SourcesFlash Module IFG1.4MSP430x11x1 MIXED SIGNAL MICROCONTROLLER peripheralsoscillator and system clock oscillator and system clock continued Figure 3. Clock Signalsdigital I/O MSP430x11x1 MIXED SIGNAL MICROCONTROLLERTimerA Three capture/compare registers watchdog timerdigital I/O continued MSP430x11x1 MIXED SIGNAL MICROCONTROLLERFigure 4. TimerA, MSP430x11x1 Configuration TimerA 3 capture/compare registers continuedUART MSP430x11x1 MIXED SIGNAL MICROCONTROLLERMSP430x11x1 MIXED SIGNAL MICROCONTROLLER Figure 5. Block Diagram of ComparatorAComparatorA MSP430x11x1 ComparatorA continuedMIXED SIGNAL MICROCONTROLLER MSP430x11x1 MIXED SIGNAL MICROCONTROLLER slope a/d conversionComparatorA continued The ComparatorA is well suited for use in single or multiple-slope conversions. The internal-reference levels may be used to set a reference during timing measurement of charge or discharge operations. They can also be used externally to bias analog circuitryMSP430x11x1 MIXED SIGNAL MICROCONTROLLER peripheral file maprecommended operating conditions absolute maximum ratings²MSP430x11x1 MIXED SIGNAL MICROCONTROLLER Voltage applied at V CC to V SS MSP430C11x1MSP430x11x1 Devices recommended operating conditions continuedFigure 6. Frequency vs Supply Voltage MSP430x11x1 MIXED SIGNAL MICROCONTROLLERcurrent consumption of active mode versus supply voltage, C version supply current into VCC excluding external current fsystem = 1 MHzcurrent consumption of active mode versus supply voltage, F version MSP430x11x1 MIXED SIGNAL MICROCONTROLLERoutputs Port 1 to P2 P1.0 to P1.7, P2.0 to P2.5 Schmitt-trigger inputs Port P1 to Port P2 P1.0 to P1.7, P2.0 to P2.5leakage current MSP430x11x1 MIXED SIGNAL MICROCONTROLLERoptional resistors, individually programmable with ROM code see Note internal signals TAx, SMCLK at TimerAinputs Px.x, TAx MSP430x11x1 MIXED SIGNAL MICROCONTROLLERComparatorA see Note outputs P1.x, P2.x, TAxMSP430x11x1 MIXED SIGNAL MICROCONTROLLER t res ponse HLMSP430x11x1 MIXED SIGNAL MICROCONTROLLER Figure 7. VRefVT vs Temperature, VCC = 3 V, C1121Figure 8. VRefVT vs Temperature, VCC = 2.2 V, C1121 Figure 10. Overdrive Definition PUC/POR Figure 9. Block Diagram of ComparatorA ModuleMSP430x11x1 MIXED SIGNAL MICROCONTROLLER τ ≈ 2.0 ∝ sMSP430x11x1 MIXED SIGNAL MICROCONTROLLER Figure 11. Power-On Reset POR vs Supply VoltageFigure 12. VPOR vs Temperature crystal oscillator,LFXT1 MSP430x11x1 MIXED SIGNAL MICROCONTROLLER Figure 13. DCO CharacteristicsfDCOx7 fDCOx0wake-up from lower power modes LPMx principle characteristics of the DCOJTAG/programming MSP430x11x1 MIXED SIGNAL MICROCONTROLLERMSP430x11x1 MIXED SIGNAL MICROCONTROLLER APPLICATION INFORMATION input/output schematicPort P1, P1.0 to P1.3, input/output with Schmitt-trigger MSP430x11x1 MIXED SIGNAL MICROCONTROLLER APPLICATION INFORMATIONPort P2, P2.0 to P2.2, input/output with Schmitt-trigger MSP430x11x1MIXED SIGNAL MICROCONTROLLER APPLICATION INFORMATIONMSP430x11x1 MIXED SIGNAL MICROCONTROLLER Port P2, P2.3 to P2.4, input/output with Schmitt-triggerAPPLICATION INFORMATION APPLICATION INFORMATIONMSP430x11x1 MIXED SIGNAL MICROCONTROLLER MSP430x11x1 MIXED SIGNAL MICROCONTROLLER Port P2, unbonded bits P2.6 and P2.7JTAG fuse check mode APPLICATION INFORMATIONDW R-PDSO-G MECHANICAL DATAPLASTIC SMALL-OUTLINE PACKAGE MSP430x11x1 MIXED SIGNAL MICROCONTROLLERPLASTIC SMALL-OUTLINE PACKAGE PW R-PDSO-GMSP430x11x1 MIXED SIGNAL MICROCONTROLLER MECHANICAL DATAIMPORTANT NOTICE

Flash Module

IFG1.4

OFIFG

IFG1.1

Figure 2. Block Diagram of NMI Interrupt Sources