Datasheet
P9.1/A5
P9.2/A4
P9.3/A3
P9SEL.x
P9DIR.x
P9IN.x
P9OUT.x
1
0
DV
SS
DV
CC
P9REN.x
Pad Logic
1
P9DS.x
0: Low drive
1: High drive
Bus
Keeper
To ADC10
INCHx = y
MSP430F673x
MSP430F672x
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SLAS731C –DECEMBER 2011–REVISED FEBRUARY 2013
Port P9, P9.1 to P9.3, Input/Output With Schmitt Trigger (MSP430F67xxIPZ Only)
Table 78. Port P9 (P9.1 to P9.3) Pin Functions (MSP430F67xxIPZ Only)
CONTROL BITS/SIGNALS
(1)
PIN NAME (P9.x) x FUNCTION
P9DIR.x P9SEL.x
P9.1/A5 1 P9.1 (I/O) I: 0; O: 1 0
A5
(2)
X 1
P9.2/A4 2 P9.2 (I/O) I: 0; O: 1 0
A4
(2)
X 1
P9.3/A3 3 P9.3 (I/O) I: 0; O: 1 0
A3
(2)
X 1
(1) X = Don't care
(2) Setting P9SEL.x bit disables the output driver as well as the input Schmitt trigger.
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