Datasheet

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SLAS361D − JANUARY 2002 − REVISED AUGUST 2004
36
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
input/output schematic (continued)
port P3, P3.0, P3.6 and P3.7 input/output with Schmitt-trigger
P3OUT.x
Module X Out
P3DIR.x
Direction Control
From Module
P3SEL.x
D
EN
0
1
1
0
To ADC10
P3.0/STE0/A5
P3.6/A6
P3.7/A7
Module X In
P3IN.x
a5, or a6, or a7
selected in
ADC10
Pad Logic
0: input
1: output
Bus
Keeper
ADC10AE.x
NOTE: x (0,6,7)
a5, or a6, or a7
PnSel.x PnDIR.x
Direction Control
From Module
PnOUT.x Module X OUT PnIN.x Module X IN
P3Sel.0 P3DIR.0 V
SS
P3OUT.0 V
SS
P3IN.0 STE0
†
P3Sel.6 P3DIR.1 P3DIR.6 P3OUT.6 V
SS
P3IN.6 Unused
P3Sel.7 P3DIR.2 P3DIR.7 P3OUT.7 V
SS
P3IN.7 Unused
†
USART0