MSP430F663x
SLAS566C –JUNE 2010–REVISED AUGUST 2012
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Port P9, P9.0 to P9.7, Input/Output With Schmitt Trigger
Pad Logic
S0...S7
LCDS0...LCDS7
P9REN.x
0
1
DVSS
DVCC
1
Direction
0: Input
1: Output
P9DIR.x
P9OUT.x
P9.0/S7
P9DS.x
0: Low drive
1: High drive
P9.1/S6
P9.2/S5
P9.3/S4
P9.4/S3
P9.5/S2
P9.6/S1
P9.7/S0
P9IN.x
Bus
Keeper
Table 65. Port P9 (P9.0 to P9.7) Pin Functions
CONTROL BITS/SIGNALS(1)
PIN NAME (P9.x)
P9.0/S7
x
FUNCTION
P9DIR.x
P9SEL.x
LCDS0...7
0
P9.0 (I/O)
S7
I: 0; O: 1
0
X
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
X
P9.1/S6
P9.2/S5
P9.3/S4
P9.4/S3
P9.5/S2
P9.6/S1
P9.7/S0
1
2
3
4
5
6
7
P9.1 (I/O)
S6
I: 0; O: 1
X
X
0
P9.2 (I/O)
S5
I: 0; O: 1
X
X
0
P9.3 (I/O)
S4
I: 0; O: 1
X
X
0
P9.4 (I/O)
S3
I: 0; O: 1
X
X
0
P9.5 (I/O)
S2
I: 0; O: 1
X
I: 0; O: 1
X
X
0
P9.6 (I/O)
S1
X
0
P9.7 (I/O)
S0
I: 0; O: 1
X
X
(1) X = Don't care
100
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