MSP430FR6889 Datasheet, PDF (99/176 Pages) Texas Instruments – Mixed-Signal Microcontrollers

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MSP430FR6889, MSP430FR68891, MSP430FR6888, MSP430FR6887
MSP430FR5889, MSP430FR58891, MSP430FR5888, MSP430FR5887
SLASE32A – AUGUST 2014 – REVISED MARCH 2015
Table 6-22. Port P3 (P3.4 to P3.7) Pin Functions
PIN NAME (P3.x)
P3.4/UCA1SIMO/UCA1TXD/TB0.0/
Sz
x
FUNCTION
4 P3.4 (I/O)
UCA1SIMO/UCA1TXD
TB0CCI0A
TB0.0
N/A
Internally tied to DVSS
Sz ⁽³⁾
CONTROL BITS AND SIGNALS ⁽¹⁾
P3DIR.x P3SEL1.x P3SEL0.x LCDSz
I: 0; O: 1
0
0
0
X ⁽²⁾
0
1
0
0
1
0
0
1
0
1
1
0
1
X
X
X
1
P3.5/UCA1SOMI/UCA1RXD/TB0.1/
Sz
5 P3.5 (I/O)
UCA1SOMI/UCA1RXD
TB0CCI1A
TB0.1
N/A
Internally tied to DVSS
Sz ⁽³⁾
I: 0; O: 1
0
0
0
X ⁽²⁾
0
1
0
0
1
0
0
1
0
1
1
0
1
X
X
X
1
P3.6/UCA1CLK/TB0.2/Sz
6 P3.6 (I/O)
UCA1CLK
TB0CCI2A
TB0.2
N/A
Internally tied to DVSS
Sz ⁽³⁾
I: 0; O: 1
0
0
0
X ⁽²⁾
0
1
0
0
1
0
0
1
0
1
1
0
1
X
X
X
1
P3.7/UCA1STE/TB0.3/Sz
7 P3.7 (I/O)
UCA1STE
I: 0; O: 1
0
0
0
X ⁽²⁾
0
1
0
TB0CCI3B
TB0.3
0
1
0
0
1
N/A
Internally tied to DVSS
Sz ⁽³⁾
0
1
1
0
1
X
X
X
1
(1) X = Don't care
(2) Direction controlled by eUSCI_A1 module.
(3) The associated LCD segment is package dependent. See the Signal Descriptions tables and Pin Diagrams figures.
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Detailed Description
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