MSP430FR5994_17 Datasheet, PDF (88/168 Pages) Texas Instruments – Mixed-Signal Microcontrollers

MSP430FR5994, MSP430FR59941, MSP430FR5992, MSP430FR5964, MSP430FR5962
SLASE54A – MARCH 2016 – REVISED OCTOBER 2016
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Table 6-21. Port P1 (P1.3 to P1.5) Pin Functions
PIN NAME (P1.x)
x
FUNCTION
CONTROL BITS AND SIGNALS⁽¹⁾
P1DIR.x
P1SEL1.x P1SEL0.x
P1.3 (I/O)
I: 0; O: 1
0
0
P1.3/TA1.2/UCB0STE/A3/C3
TA1.CCI2A
3 TA1.2
UCB0STE
A3, C3 ^{(3) (4)}
0
0
1
1
X ⁽²⁾
1
0
X
1
1
P1.4 (I/O)
I: 0; O: 1
0
0
P1.4/TB0.1/UCA0STE/A4/C4
TB0.CCI1A
4 TB0.1
UCA0STE
A4, C4^{(3) (4)}
0
0
1
1
X ⁽⁵⁾
1
0
X
1
1
P1.5(I/O)
I: 0; O: 1
0
0
P1.5/TB0.2/UCA0CLK/A5/C5
TB0.CCI2A
5 TB0.2
UCA0CLK
A5, C5^{(3) (4)}
0
0
1
1
X ⁽⁵⁾
1
0
X
1
1
(1) X = Don't care
(2) Direction controlled by eUSCI_B0 module.
(3) Setting P1SEL1.x and P1SEL0.x disables the output driver and the input Schmitt trigger to prevent parasitic cross currents when
applying analog signals.
(4) Setting the CEPDx bit of the comparator disables the output driver and the input Schmitt trigger to prevent parasitic cross currents when
applying analog signals. Selecting the Cx input pin to the comparator multiplexer with the input select bits in the comparator module
automatically disables output driver and input buffer for that pin, regardless of the state of the associated CEPDx bit.
(5) Direction controlled by eUSCI_A0 module.
88
Detailed Description
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