Datasheet

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SLAS491A − AUGUST 2005 − REVISED OCTOBER 2005
70
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
Port P1 (P1.3) pin schematics, MSP430x20x3
Bus
Keeper
EN
Direction
0: Input
1: Output
P1SEL.3
1
0
P1DIR.3
P1IN.3
P1IRQ.3
1
0
P1OUT.3
Interrupt
Edge
Select
Q
EN
Set
P1SEL.3
P1IES.3
P1IFG.3
P1IE.3
P1.3/VREF/A1−
1
0
DVSS
DVCC
P1REN.3
A1−
SD16AE.3
1
0
AV
SS
Pad Logic
INCH
=1
V
REF
1