MSP430F643 Datasheet, PDF (96/106 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F643x
SLAS720B – AUGUST 2010 – REVISED AUGUST 2012
Port P9, P9.0 to P9.7, Input/Output With Schmitt Trigger
S0...S7
LCDS0...LCDS7
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Pad Logic
P9REN.x
P9DIR.x
P9OUT.x
P9IN.x
Direction
0: Input
1: Output
DV_SS
0
DV_CC
1
1
P9DS.x
0: Low drive
1: High drive
Bus
Keeper
P9.0/S7
P9.1/S6
P9.2/S5
P9.3/S4
P9.4/S3
P9.5/S2
P9.6/S1
P9.7/S0
PIN NAME (P9.x)
P9.0/S7
P9.1/S6
P9.2/S5
P9.3/S4
P9.4/S3
P9.5/S2
P9.6/S1
P9.7/S0
(1) X = Don't care
96
Table 63. Port P9 (P9.0 to P9.7) Pin Functions
x
FUNCTION
CONTROL BITS/SIGNALS⁽¹⁾
P9DIR.x
P9SEL.x
LCDS0...7
0 P9.0 (I/O)
I: 0; O: 1
0
0
S7
X
X
1
1 P9.1 (I/O)
I: 0; O: 1
0
0
S6
X
X
1
2 P9.2 (I/O)
I: 0; O: 1
0
0
S5
X
X
1
3 P9.3 (I/O)
I: 0; O: 1
0
0
S4
X
X
1
4 P9.4 (I/O)
I: 0; O: 1
0
0
S3
X
X
1
5 P9.5 (I/O)
I: 0; O: 1
0
0
S2
X
X
1
6 P9.6 (I/O)
I: 0; O: 1
0
0
S1
X
X
1
7 P9.7 (I/O)
I: 0; O: 1
0
0
S0
X
X
1
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