Datasheet

P9.0/S7
P9.1/S6
P9.2/S5
P9.3/S4
P9.4/S3
P9.5/S2
P9.6/S1
P9.7/S0
Direction
0:Input
1:Output
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
S0...S7
LCDS0...LCDS7
Bus
Keeper
MSP430F6438, MSP430F6436
MSP430F6435, MSP430F6433
www.ti.com SLAS720C –AUGUST 2010–REVISED AUGUST 2013
Port P9, P9.0 to P9.7, Input/Output With Schmitt Trigger
Table 62. Port P9 (P9.0 to P9.7) Pin Functions
CONTROL BITS/SIGNALS
(1)
PIN NAME (P9.x) x FUNCTION
P9DIR.x P9SEL.x LCDS0...7
P9.0/S7 0 P9.0 (I/O) I: 0; O: 1 0 0
S7 X X 1
P9.1/S6 1 P9.1 (I/O) I: 0; O: 1 0 0
S6 X X 1
P9.2/S5 2 P9.2 (I/O) I: 0; O: 1 0 0
S5 X X 1
P9.3/S4 3 P9.3 (I/O) I: 0; O: 1 0 0
S4 X X 1
P9.4/S3 4 P9.4 (I/O) I: 0; O: 1 0 0
S3 X X 1
P9.5/S2 5 P9.5 (I/O) I: 0; O: 1 0 0
S2 X X 1
P9.6/S1 6 P9.6 (I/O) I: 0; O: 1 0 0
S1 X X 1
P9.7/S0 7 P9.7 (I/O) I: 0; O: 1 0 0
S0 X X 1
(1) X = Don't care
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