MSP430F1122 Datasheet, PDF (36/48 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x11x2, MSP430x12x2
MIXED SIGNAL MICROCONTROLLER
SLAS361C − JANUARY 2002 − REVISED DECEMBER 2003
APPLICATION INFORMATION
input/output schematic (continued)
port P3, P3.0, P3.6 and P3.7 input/output with Schmitt-trigger
a5, or a6, or a7
selected in
ADC10
To ADC10
a5, or a6, or a7
ADC10AE.x
P3SEL.x
0
P3DIR.x
Direction Control
1
From Module
P3OUT.x
0
1
Module X Out
Bus
Keeper
Pad Logic
0: input
1: output
P3IN.x
EN
Module X In
D
P3.0/STE0/A5
P3.6/A6
P3.7/A7
NOTE: x (0,6,7)
PnSel.x PnDIR.x
P3Sel.0
P3Sel.6
P3Sel.7
† _USART0
P3DIR.0
P3DIR.1
P3DIR.2
Direction Control
From Module
VSS
P3DIR.6
P3DIR.7
PnOUT.x
P3OUT.0
P3OUT.6
P3OUT.7
Module X OUT
VSS
VSS
VSS
PnIN.x Module X IN
P3IN.0
P3IN.6
P3IN.7
STE0†
Unused
Unused
36
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