MSP430x11x

MIXED SIGNAL MICROCONTROLLERS

SLAS196D− DECEMBER 1998 − REVISED SEPTEMBER 2004

24

POST OFFICE BOX 655303

APPLICATION INFORMATION

input/output schematic (continued)

EN

D

See Note 1

See Note 2

See Note 2

See Note 1

GND

VCC

P2.5

0

1

0

1

Interrupt

Edge

Select

EN

Set

Q

P2IE.5

P2IFG.5

P2IRQ.5

Interrupt

Flag

P2IES.5

P2SEL.5

Module X IN

P2IN.5

P2OUT.5

Module X OUT

Direction Control

From Module

P2DIR.5

P2SEL.5

Pad Logic

NOTE: DCOR: Control bit from basic clock module if it is set, P2.5 is disconnected from P2.5 pad

Bus Keeper

0

1

0

1

VCC

Internal to

Basic Clock

Module

DCOR

DC

Generator

0: Input

1: Output

PnSel.x

PnDIR.x

Director

Control from

module

PnOUT.x

Module X

OUT

PnIN.x

Module X

IN

PnIE.x

PnIFG.x

PnIES.x

P2Sel.5

P2DIR.5

P2DIR.5

P2OUT.5

VSS

P2IN.5

unused

P2IE.5

P2IFG.5

P2IES.5

NOTES:

1. Optional selection of pullup or pulldown resistors with ROM (masked) versions.

2. Fuses for optional pullup and pulldown resistors can only be programmed at the factory.