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

Page 39

				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

39

Image 39

Contents MSP430x11x1 DescriptionTssop Pulldown resistor of 30 k Ω is needed on F11x1 Functional block diagramAvailable Options Packaged Devices PIN Sowb PIN TssopTerminal Description Name Terminal FunctionsShort-form description Processing unitInstruction Word Formats Address Mode DescriptionsCPU Instruction setOperation modes and interrupts Low-power consumption capabilitiesSCG1 SCG0 Status register R2SCG1 SCG0CCIFG1, CCIFG2, Taifg Interrupt vector addressesCaifg WdtifgNmiifg Special function registersWdtifg OfifgBoot ROM containing bootstrap loader Functions of the bootstrap loaderMemory organization VCC RST/NMI PIN Test PIN Features of the bootstrap loader areHardware resources used for serial input/output WDTInternal Bootstrap loader StartsVCC TestFlash memory control register FCTL1 Flash memoryFlash memory, timing generator, control register FCTL2 Erase 0128h, bit1, Erase a segmentWRT Aclk Flash memory control register FCTL3FN0±FN5 SSEL0, SSEL1Wait BusyKeyv AccvifgFlash memory, interrupt and security key violation LockEmex Nmirs AccvPUC POROscillator and system clock PeripheralsDigital I/O Clock SignalsTimerA Three capture/compare registers Watchdog timerTimerA, MSP430x11x1 Configuration TimerA 3 capture/compare registersComparatorA CATCTL2.7 CaoutCAF CACTL2.4CACTL2 Slope a/d conversionCACTL1 Caex Caon Caies Caifg Rsel REF1 REF0Peripherals with Word Access Peripherals with Byte AccessPeripheral file map Absolute maximum ratings² Recommended operating conditionsMIN NOM MAX Units Frequency vs Supply Voltage MSP430x11x1 DevicesILPM3 Parameter Test Conditions MIN TYP MAX UnitIAM ILPM2Leakage current Outputs Port 1 to P2 P1.0 to P1.7, P2.0 to P2.5Port P1, P2 P1.x to P2.x Internal signals TAx, Smclk at TimerAInputs Px.x, TAx Parameter Test Conditions VCC MIN TYP MAX UnitComparatorA see Note Outputs P1.x, P2.x, TAxVRefVT vs Temperature, VCC = 2.2 V, C1121 VRefVT vs Temperature, VCC = 3 V, C1121CAF Caon PUC/PORParameter MIN NOM MAX Unit RAMDCO Steps DCOVariance Max DcoclkPrinciple characteristics of the DCO Wake-up from lower power modes LPMxJTAG/programming Input/output schematic Port P1, P1.0 to P1.3, input/output with Schmitt-triggerGND P1IFG.5 P1IES.5 P1DIR.4 P1OUT.4 SmclkP1IFG.4 P1IES.4 P1DIR.5 P1OUT.5CAPD.X Port P2, P2.0 to P2.2, input/output with Schmitt-triggerP2DIR.4 P2OUT.4 Port P2, P2.3 to P2.4, input/output with Schmitt-triggerP2DIR.3 P2OUT.3 P2IFG.3 P1IES.3P2IRQ.5 P2SEL.5 VCCP2DIR.5 P2OUT.5Port P2, unbonded bits P2.6 and P2.7 PIN Shown Pins DIM MAXDW R-PDSO-G Plastic SMALL-OUTLINE Package15 NOM Gage Plane Seating Plane 20 MAX Pins ShownPins DIM MAX MIN PW R-PDSO-G Plastic SMALL-OUTLINE PackageImportant Notice