142
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_A2 module.
(3)
Direction controlled by eUSCI_B2 module.
6.12.3 Port P3 (P3.0 to P3.7) Input/Output With Schmitt Trigger
shows the port diagram.
summarizes the selection of the pin functions.
Table 6-64. Port P3 (P3.0 to P3.7) Pin Functions
PIN NAME (P3.x)
x
FUNCTION
CONTROL BITS OR SIGNALS
(1)
P3DIR.x
P3SEL1.x
P3SEL0.x
P3MAPx
P3.0/PM_UCA2STE
0
P3.0 (I/O)
I: 0; O: 1
0
0
X
UCA2STE
X
(2)
0
1
default
N/A
0
1
0
X
DVSS
1
N/A
0
1
1
X
DVSS
1
P3.1/PM_UCA2CLK
1
P3.1 (I/O)
I: 0; O: 1
0
0
X
UCA2CLK
X
(2)
0
1
default
N/A
0
1
0
X
DVSS
1
N/A
0
1
1
X
DVSS
1
P3.2/PM_UCA2RXD/PM_U
CA2SOMI
2
P3.2 (I/O)
I: 0; O: 1
0
0
X
UCA2RXD/UCA2SOMI
X
(2)
0
1
default
N/A
0
1
0
X
DVSS
1
N/A
0
1
1
X
DVSS
1
P3.3/PM_UCA2TXD/PM_U
CA2SIMO
3
P3.3 (I/O)
I: 0; O: 1
0
0
X
UCA2TXD/UCA2SIMO
X
(2)
0
1
default
N/A
0
1
0
X
DVSS
1
N/A
0
1
1
X
DVSS
1
P3.4/PM_UCB2STE
4
P3.4 (I/O)
I: 0; O: 1
0
0
X
UCB2STE
X
(3)
0
1
default
N/A
0
1
0
X
DVSS
1
N/A
0
1
1
X
DVSS
1
P3.5/PM_UCB2CLK
5
P3.5 (I/O)
I: 0; O: 1
0
0
X
UCB2CLK
X
(3)
0
1
default
N/A
0
1
0
X
DVSS
1
N/A
0
1
1
X
DVSS
1