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Texas Instruments MSP430x11x1 warranty Port P2, P2.0 to P2.2, input/output with Schmitt-trigger

Models: MSP430x11x1

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MSP430x11x1

				MSP430x11x1
				MIXED SIGNAL MICROCONTROLLER
				SLAS241C ± SEPTEMBER 1999 ± REVISED JUNE 2000
		APPLICATION INFORMATION
	Port P2, P2.0 to P2.2, input/output with Schmitt-trigger
	P2SEL.x	0		VCC
	P2DIR.x	0	0: Input
	P2DIR.x		0: Input	See Note 27
	Direction Control	1	1: Output	See Note 27
	Direction Control	1
	From Module
	From Module
		0	Pad Logic	See Note 28
	P2OUT.x	0	Pad Logic	P2.0 ± P2.2
	P2OUT.x			P2.0 ± P2.2
	Module X OUT	1
	Module X OUT
				See Note 28
				See Note 27
				GND
				Bus Keeper

P2IN.x
	EN
Module X IN	D

CAPD.X

P2IRQ.x

P2IE.x

EN

Interrupt

Q

Edge

P2IFG.x

Set

Select

Interrupt

NOTE: x = Bit Identifier, 0 to 2 for port P2

Flag

P2IES.x

P2SEL.x

Direction

PnSel.x

PnDIR.x

control from

PnOUT.x

Module X OUT

PnIN.x

Module X IN

PnIE.x

PnIFG.x

PnIES.x

module

P2Sel.0

P2DIR.0

P2DIR.0

P2OUT.0

ACLK

P2IN.0

unused

P2IE.0

P2IFG.0

P1IES.0

P2Sel.1

P2DIR.1

P2DIR.1

P2OUT.1

VSS

P2IN.1

INCLK²

P2IE.1

P2IFG.1

P1IES.1

P2Sel.2

P2DIR.2

P2DIR.2

P2OUT.2

CAOUT

P2IN.2

CCI0B²

P2IE.2

P2IFG.2

P1IES.2

² Signal from or to 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).

POST OFFICE BOX 655303 •DALLAS, TEXAS 75265

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Image 39

Texas Instruments MSP430x11x1 Port P2, P2.0 to P2.2, input/output with Schmitt-trigger, Mixed Signal Microcontroller

Contents

Standby Mode 0.8 ∝A MIXED SIGNAL MICROCONTROLLERD Ultralow-Power Consumption D Five Power Saving Modesfunctional block diagram MSP430x11x1 MIXED SIGNAL MICROCONTROLLERMIXED SIGNAL MICROCONTROLLER Terminal Functionsshort-form description processing unitTable 1. Instruction Word Formats Table 2. Address Mode Descriptionsshort-form description continued instruction setMSP430x11x1 MIXED SIGNAL MICROCONTROLLER low-power consumption capabilitiesoperation modes and interrupts instruction set continuedMSP430x11x1 MIXED SIGNAL MICROCONTROLLER status register R2INTERRUPT FLAG interrupt vector addressesMSP430x11x1 MIXED SIGNAL MICROCONTROLLER INTERRUPT SOURCEspecial function registers interrupt enable 1 andReset on VCC power-on or reset condition at Flag set on oscillator faultMSP430x11x1 MIXED SIGNAL MICROCONTROLLER boot ROM containing bootstrap loaderfunctions of the bootstrap loader memory organizationMSP430x11x1 MIXED SIGNAL MICROCONTROLLER boot ROM containing bootstrap loader continuedfeatures of the bootstrap loader are hardware resources used for serial input/outputMSP430x11x1 MIXED SIGNAL MICROCONTROLLER boot ROM containing bootstrap loader continuedD There were less than two positive edges at TEST while RST/NMI is low flash memory flash memory control register FCTL1MSP430x11x1 MIXED SIGNAL MICROCONTROLLER 0128h, bit1, Erase a segment flash memory, timing generator, control register FCTL2flash memory control register FCTL1 continued EraseMSP430x11x1 MIXED SIGNAL MICROCONTROLLER Figure 1. Flash Memory Timing Generator Diagramflash memory, timing generator, control register FCTL2 continued flash memory control register FCTL3BUSY flash memory control register FCTL3 continuedMIXED SIGNAL MICROCONTROLLER MSP430x11x1LOCK flash memory, interrupt and security key violationMSP430x11x1 MIXED SIGNAL MICROCONTROLLER flash memory control register FCTL3 continuedIFG1.4 Figure 2. Block Diagram of NMI Interrupt SourcesMSP430x11x1 MIXED SIGNAL MICROCONTROLLER Flash Moduleperipherals oscillator and system clockMSP430x11x1 MIXED SIGNAL MICROCONTROLLER MSP430x11x1 MIXED SIGNAL MICROCONTROLLER Figure 3. Clock Signalsoscillator and system clock continued digital I/OMSP430x11x1 MIXED SIGNAL MICROCONTROLLER watchdog timerTimerA Three capture/compare registers digital I/O continuedMSP430x11x1 MIXED SIGNAL MICROCONTROLLER TimerA 3 capture/compare registers continuedFigure 4. TimerA, MSP430x11x1 Configuration UARTFigure 5. Block Diagram of ComparatorA ComparatorAMSP430x11x1 MIXED SIGNAL MICROCONTROLLER ComparatorA continued MIXED SIGNAL MICROCONTROLLERMSP430x11x1 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 circuitry slope a/d conversionMSP430x11x1 MIXED SIGNAL MICROCONTROLLER ComparatorA continuedMSP430x11x1 MIXED SIGNAL MICROCONTROLLER peripheral file mapStorage temperature, T stg unprogrammed device absolute maximum ratings²recommended operating conditions MSP430x11x1 MIXED SIGNAL MICROCONTROLLERMSP430x11x1 MIXED SIGNAL MICROCONTROLLER recommended operating conditions continuedMSP430x11x1 Devices Figure 6. Frequency vs Supply VoltageMSP430x11x1 MIXED SIGNAL MICROCONTROLLER current consumption of active mode versus supply voltage, C versioncurrent consumption of active mode versus supply voltage, F version supply current into VCC excluding external current fsystem = 1 MHzMSP430x11x1 MIXED SIGNAL MICROCONTROLLER Schmitt-trigger inputs Port P1 to Port P2 P1.0 to P1.7, P2.0 to P2.5outputs Port 1 to P2 P1.0 to P1.7, P2.0 to P2.5 leakage currentMSP430x11x1 MIXED SIGNAL MICROCONTROLLER internal signals TAx, SMCLK at TimerAoptional resistors, individually programmable with ROM code see Note inputs Px.x, TAxt res ponse HL outputs P1.x, P2.x, TAxComparatorA see Note MSP430x11x1 MIXED SIGNAL MICROCONTROLLERFigure 7. VRefVT vs Temperature, VCC = 3 V, C1121 Figure 8. VRefVT vs Temperature, VCC = 2.2 V, C1121MSP430x11x1 MIXED SIGNAL MICROCONTROLLER τ ≈ 2.0 ∝ s Figure 9. Block Diagram of ComparatorA ModuleFigure 10. Overdrive Definition PUC/POR MSP430x11x1 MIXED SIGNAL MICROCONTROLLERFigure 11. Power-On Reset POR vs Supply Voltage Figure 12. VPOR vs Temperature crystal oscillator,LFXT1MSP430x11x1 MIXED SIGNAL MICROCONTROLLER fDCOx0 Figure 13. DCO CharacteristicsMSP430x11x1 MIXED SIGNAL MICROCONTROLLER fDCOx7MSP430x11x1 MIXED SIGNAL MICROCONTROLLER principle characteristics of the DCOwake-up from lower power modes LPMx JTAG/programmingAPPLICATION INFORMATION input/output schematic Port P1, P1.0 to P1.3, input/output with Schmitt-triggerMSP430x11x1 MIXED SIGNAL MICROCONTROLLER MSP430x11x1 MIXED SIGNAL MICROCONTROLLER APPLICATION INFORMATIONAPPLICATION INFORMATION MSP430x11x1Port P2, P2.0 to P2.2, input/output with Schmitt-trigger MIXED SIGNAL MICROCONTROLLERAPPLICATION INFORMATION Port P2, P2.3 to P2.4, input/output with Schmitt-triggerMSP430x11x1 MIXED SIGNAL MICROCONTROLLER APPLICATION INFORMATIONMSP430x11x1 MIXED SIGNAL MICROCONTROLLER APPLICATION INFORMATION Port P2, unbonded bits P2.6 and P2.7MSP430x11x1 MIXED SIGNAL MICROCONTROLLER JTAG fuse check modeMSP430x11x1 MIXED SIGNAL MICROCONTROLLER MECHANICAL DATADW R-PDSO-G PLASTIC SMALL-OUTLINE PACKAGEMECHANICAL DATA PW R-PDSO-GPLASTIC SMALL-OUTLINE PACKAGE MSP430x11x1 MIXED SIGNAL MICROCONTROLLERIMPORTANT NOTICE