MSP430FR5989-EP Datasheet, PDF (88/154 Pages) Texas Instruments – Mixed-Signal Microcontroller

MSP430FR5989-EP
SLASEC9 – APRIL 2017
www.ti.com
PIN NAME (P4.x)
Port P4 (P4.4 to P4.7) Pin Functions
x
FUNCTION
CONTROL BITS AND SIGNALS⁽¹⁾
P4DIR.x P4SEL1.x P4SEL0.x LCDSz
P4.4 (I/O)
I: 0; O: 1
0
0
0
P4.4/UCB1STE/TA1CLK/Sz
N/A
Internally tied to DVSS
4 UCB1STE
0
0
1
0
1
X ⁽²⁾
1
0
0
TA1CLK
Internally tied to DVSS
Sz ⁽³⁾
0
1
1
0
1
X
X
X
1
P4.5 (I/O)
I: 0; O: 1
0
0
0
P4.5/UCB1CLK/TA1.0/Sz
N/A
Internally tied to DVSS
5 UCB1CLK
0
0
1
0
1
X ⁽²⁾
1
0
0
TA1CCI0A
TA1.0
Sz ⁽³⁾
0
1
1
0
1
X
X
X
1
P4.6 (I/O)
I: 0; O: 1
0
0
0
P4.6/UCB1SIMO/UCB1SDA/TA1.1/
Sz
N/A
Internally tied to DVSS
6 UCB1SIMO/UCB1SDA
TA1CCI1A
TA1.1
Sz ⁽³⁾
0
0
1
0
1
X ⁽²⁾
1
0
0
0
1
1
0
1
X
X
X
1
P4.7 (I/O)
I: 0; O: 1
0
0
0
P4.7/UCB1SOMI/UCB1SCL/TA1.2/
Sz
N/A
Internally tied to DVSS
7 UCB1SOMI/UCB1SCL
TA1CCI2A
TA1.2
Sz ⁽³⁾
0
0
1
0
1
X ⁽²⁾
1
0
0
0
1
1
0
1
X
X
X
1
(1) X = Don't care.
(2) Direction controlled by eUSCI_B1 module.
(3) The associated LCD segment is package dependent. See the Signal Descriptions tables and Pin Diagrams figures.
88
Detailed Description
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