MSP430F673X Datasheet, PDF (99/121 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

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MSP430F673x
MSP430F672x
SLAS731A – DECEMBER 2011 – REVISED APRIL 2012
Port P9, P9.1 to P9.3, Input/Output With Schmitt Trigger (MSP430F67xxIPZ Only)
To ADC10
INCHx = y
Pad Logic
P9REN.x
P9DIR.x
DV_SS
0
DV_CC
1
1
P9OUT.x
P9SEL.x
P9IN.x
P9DS.x
0: Low drive
1: High drive
Bus
Keeper
P9.1/A5
P9.2/A4
P9.3/A3
Table 78. Port P9 (P9.1 to P9.3) Pin Functions (MSP430F67xxIPZ Only)
PIN NAME (P9.x)
x
FUNCTION
CONTROL BITS/SIGNALS⁽¹⁾
P9DIR.x
P9SEL.x
P9.1/A5
1 P9.1 (I/O)
A5 ⁽²⁾
I: 0; O: 1
0
X
1
P9.2/A4
2 P9.2 (I/O)
A4 ⁽²⁾
I: 0; O: 1
0
X
1
P9.3/A3
3 P9.3 (I/O)
A3 ⁽²⁾
I: 0; O: 1
0
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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