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Texas Instruments MSP430x11x1 warranty Port P2, P2.3 to P2.4, input/output with Schmitt-trigger

Models: MSP430x11x1

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Port P2, P2.3 to P2.4, input/output with Schmitt-trigger

MSP430x11x1

MIXED SIGNAL MICROCONTROLLER

SLAS241C ± SEPTEMBER 1999 ± REVISED JUNE 2000

APPLICATION INFORMATION

Port P2, P2.3 to P2.4, input/output with Schmitt-trigger

P2SEL.3	0		VCC
P2DIR.3	0	0: Input
P2DIR.3		0: Input
Direction Control	1	1: Output	See Note 27
From Module		1: Output
From Module		Pad Logic
P2OUT.3	0	Pad Logic	See Note 28	P2.3
P2OUT.3				P2.3
Module X	1
Module X
OUT			See Note 28

						See Note 27
P2IN.3					Bus Keeper	GND
	EN				Bus Keeper
	EN
Module X IN	D
P2IRQ.3	P2IE.3	EN	Interrupt
			Interrupt
	Q		Edge
	Q		Edge			CAPD.3
	P2IFG.3	Set	Select			CAPD.3
	P2IFG.3	Set
					Comparator_A
	Interrupt				Comparator_A	CAREF	P2CA CAEX
						CAREF	P2CA CAEX

	Flag		P2IES.3	P2SEL.3
					CAF
	CCI1B					+
						_
					0 V

Interrupt	P2IES.4			P2SEL.4
Flag						CAREF		Reference Block
Flag						CAREF		Reference Block

	P2IFG.4	Set	Interrupt	CAPD.4
	Q		Edge	CAPD.4
	Q	EN	Edge
P2IRQ.4	P2IE.4	EN	Select
			Select

Module X IN	D
	EN			Bus Keeper
P2IN.4				Bus Keeper
P2IN.4				VCC
				See Note 27
				See Note 28

Module X OUT	1

P2OUT.4	0	Pad Logic	See Note 28	P2.4


Direction Control		1: Output
From Module	1		See Note 27

P2DIR.4	0	0: Input

P2SEL.4			GND

APPLICATION INFORMATION

PnSel.x	PnDIR.x	Direction	PnOUT.x	Module X OUT	PnIN.x	Module X IN	PnIE.x	PnIFG.x	PnIES.x
		control from module

P2Sel.3	P2DIR.3	P2DIR.3	P2OUT.3	Out1 signal²	P2IN.3	unused	P2IE.3	P2IFG.3	P1IES.3
P2Sel.4	P2DIR.4	P2DIR.4	P2OUT.4	Out2 signal²	P2IN.4	unused	P2IE.4	P2IFG.4	P1IES.4

²Signal from Timer_A

NOTES: 27. Optional selection of pullup or pulldown resistors with ROM (masked) versions.

28. Fuses for optional pullup and pulldown resistors can only be programmed at the factory (ROM versions only).

40	POST OFFICE BOX 655303 •DALLAS, TEXAS 75265

Image 40

Texas Instruments MSP430x11x1 warranty Port P2, P2.3 to P2.4, input/output with Schmitt-trigger, Application Information

Contents

MIXED SIGNAL MICROCONTROLLER D Ultralow-Power ConsumptionD Five Power Saving Modes D Basic Clock Module ConfigurationsMSP430x11x1 MIXED SIGNAL MICROCONTROLLER functional block diagramTerminal Functions short-form descriptionprocessing unit MIXED SIGNAL MICROCONTROLLERshort-form description continued instruction setTable 1. Instruction Word Formats Table 2. Address Mode Descriptionslow-power consumption capabilities operation modes and interruptsinstruction set continued MSP430x11x1 MIXED SIGNAL MICROCONTROLLERstatus register R2 MSP430x11x1 MIXED SIGNAL MICROCONTROLLERinterrupt vector addresses MSP430x11x1 MIXED SIGNAL MICROCONTROLLERINTERRUPT SOURCE INTERRUPT FLAGinterrupt enable 1 and Reset on VCC power-on or reset condition atFlag set on oscillator fault special function registersboot ROM containing bootstrap loader functions of the bootstrap loadermemory organization MSP430x11x1 MIXED SIGNAL MICROCONTROLLERboot ROM containing bootstrap loader continued features of the bootstrap loader arehardware resources used for serial input/output MSP430x11x1 MIXED SIGNAL MICROCONTROLLERboot ROM containing bootstrap loader continued MSP430x11x1 MIXED SIGNAL MICROCONTROLLERD There were less than two positive edges at TEST while RST/NMI is low flash memory control register FCTL1 flash memoryMSP430x11x1 MIXED SIGNAL MICROCONTROLLER flash memory, timing generator, control register FCTL2 flash memory control register FCTL1 continuedErase 0128h, bit1, Erase a segmentFigure 1. Flash Memory Timing Generator Diagram flash memory, timing generator, control register FCTL2 continuedflash memory control register FCTL3 MSP430x11x1 MIXED SIGNAL MICROCONTROLLERflash memory control register FCTL3 continued MIXED SIGNAL MICROCONTROLLERMSP430x11x1 BUSYflash memory, interrupt and security key violation MSP430x11x1 MIXED SIGNAL MICROCONTROLLERflash memory control register FCTL3 continued LOCKFigure 2. Block Diagram of NMI Interrupt Sources MSP430x11x1 MIXED SIGNAL MICROCONTROLLERFlash Module IFG1.4oscillator and system clock peripheralsMSP430x11x1 MIXED SIGNAL MICROCONTROLLER Figure 3. Clock Signals oscillator and system clock continueddigital I/O MSP430x11x1 MIXED SIGNAL MICROCONTROLLERwatchdog timer TimerA Three capture/compare registersdigital I/O continued MSP430x11x1 MIXED SIGNAL MICROCONTROLLERTimerA 3 capture/compare registers continued Figure 4. TimerA, MSP430x11x1 ConfigurationUART MSP430x11x1 MIXED SIGNAL MICROCONTROLLERComparatorA Figure 5. Block Diagram of ComparatorAMSP430x11x1 MIXED SIGNAL MICROCONTROLLER MIXED SIGNAL MICROCONTROLLER ComparatorA continuedMSP430x11x1 slope a/d conversion MSP430x11x1 MIXED SIGNAL MICROCONTROLLERComparatorA 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 circuitryperipheral file map MSP430x11x1 MIXED SIGNAL MICROCONTROLLERabsolute maximum ratings² recommended operating conditionsMSP430x11x1 MIXED SIGNAL MICROCONTROLLER Voltage applied at V CC to V SS MSP430C11x1recommended operating conditions continued MSP430x11x1 DevicesFigure 6. Frequency vs Supply Voltage MSP430x11x1 MIXED SIGNAL MICROCONTROLLERsupply current into VCC excluding external current fsystem = 1 MHz current consumption of active mode versus supply voltage, C versioncurrent consumption of active mode versus supply voltage, F version MSP430x11x1 MIXED SIGNAL MICROCONTROLLERSchmitt-trigger inputs Port P1 to Port P2 P1.0 to P1.7, P2.0 to P2.5 outputs Port 1 to P2 P1.0 to P1.7, P2.0 to P2.5leakage current MSP430x11x1 MIXED SIGNAL MICROCONTROLLERinternal signals TAx, SMCLK at TimerA optional resistors, individually programmable with ROM code see Noteinputs Px.x, TAx MSP430x11x1 MIXED SIGNAL MICROCONTROLLERoutputs P1.x, P2.x, TAx ComparatorA see NoteMSP430x11x1 MIXED SIGNAL MICROCONTROLLER t res ponse HLFigure 8. VRefVT vs Temperature, VCC = 2.2 V, C1121 Figure 7. VRefVT vs Temperature, VCC = 3 V, C1121MSP430x11x1 MIXED SIGNAL MICROCONTROLLER Figure 9. Block Diagram of ComparatorA Module Figure 10. Overdrive Definition PUC/PORMSP430x11x1 MIXED SIGNAL MICROCONTROLLER τ ≈ 2.0 ∝ sFigure 12. VPOR vs Temperature crystal oscillator,LFXT1 Figure 11. Power-On Reset POR vs Supply VoltageMSP430x11x1 MIXED SIGNAL MICROCONTROLLER Figure 13. DCO Characteristics MSP430x11x1 MIXED SIGNAL MICROCONTROLLERfDCOx7 fDCOx0principle characteristics of the DCO wake-up from lower power modes LPMxJTAG/programming MSP430x11x1 MIXED SIGNAL MICROCONTROLLERPort P1, P1.0 to P1.3, input/output with Schmitt-trigger APPLICATION INFORMATION input/output schematicMSP430x11x1 MIXED SIGNAL MICROCONTROLLER APPLICATION INFORMATION MSP430x11x1 MIXED SIGNAL MICROCONTROLLERMSP430x11x1 Port P2, P2.0 to P2.2, input/output with Schmitt-triggerMIXED SIGNAL MICROCONTROLLER APPLICATION INFORMATIONPort P2, P2.3 to P2.4, input/output with Schmitt-trigger MSP430x11x1 MIXED SIGNAL MICROCONTROLLERAPPLICATION INFORMATION APPLICATION INFORMATIONMSP430x11x1 MIXED SIGNAL MICROCONTROLLER Port P2, unbonded bits P2.6 and P2.7 MSP430x11x1 MIXED SIGNAL MICROCONTROLLERJTAG fuse check mode APPLICATION INFORMATIONMECHANICAL DATA DW R-PDSO-GPLASTIC SMALL-OUTLINE PACKAGE MSP430x11x1 MIXED SIGNAL MICROCONTROLLERPW R-PDSO-G PLASTIC SMALL-OUTLINE PACKAGEMSP430x11x1 MIXED SIGNAL MICROCONTROLLER MECHANICAL DATAIMPORTANT NOTICE