MSP430FR573x
MSP430FR572x
SLAS639D –JULY 2011–REVISED AUGUST 2012
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Port P4, P4.1, Input/Output With Schmitt Trigger
Pad Logic
P4REN.x
0 0
0 1
1 0
1 1
P4DIR.x
DVSS
DVCC
0
1
Direction
0: Input
1: Output
1
0 0
0 1
1 0
1 1
P4OUT.x
DVSS
DVSS
P4.1
DVSS
P4SEL0.x
P4SEL1.x
P4IN.x
Bus
Keeper
EN
D
To modules
Table 54. Port P4 (P4.1) Pin Functions
CONTROL BITS/SIGNALS
PIN NAME (P4.x)
x
FUNCTION
P4DIR.x P4SEL1.x P4SEL0.x
(1)
P4.1
1
P4.1 (I/O)
I: 0; O: 1
0
0
(1) Not available on all devices and package types.
84
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