141
SLAS826F – MARCH 2015 – REVISED MARCH 2017
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Detailed Description
Copyright © 2015–2017, Texas Instruments Incorporated
(1)
X = don't care
(2)
Direction controlled by eUSCI_A1 module.
6.12.2 Port P2 (P2.0 to P2.3) Input/Output With Schmitt Trigger
shows the port diagram.
summarizes the selection of the pin functions.
Table 6-63. Port P2 (P2.0 to P2.3) Pin Functions
PIN NAME (P2.x)
x
FUNCTION
CONTROL BITS OR SIGNALS
(1)
P2DIR.x
P2SEL1.x
P2SEL0.x
P2MAPx
P2.0/PM_UCA1STE
0
P2.0 (I/O)
I: 0; O: 1
0
0
X
UCA1STE
X
(2)
0
1
default
N/A
0
1
0
X
DVSS
1
N/A
0
1
1
X
DVSS
1
P2.1/PM_UCA1CLK
1
P2.1 (I/O)
I: 0; O: 1
0
0
X
UCA1CLK
X
(2)
0
1
default
N/A
0
1
0
X
DVSS
1
N/A
0
1
1
X
DVSS
1
P2.2/PM_UCA1RXD/PM_U
CA1SOMI
2
P2.2 (I/O)
I: 0; O: 1
0
0
X
UCA1RXD/UCA1SOMI
X
(2)
0
1
default
N/A
0
1
0
X
DVSS
1
N/A
0
1
1
X
DVSS
1
P2.3/PM_UCA1TXD/PM_U
CA1SIMO
3
P2.3 (I/O)
I: 0; O: 1
0
0
X
UCA1TXD/UCA1SIMO
X
(2)
0
1
default
N/A
0
1
0
X
DVSS
1
N/A
0
1
1
X
DVSS
1