MSP430FR5989-EP Datasheet, PDF (79/154 Pages) Texas Instruments – Mixed-Signal Microcontroller

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5.11.24.3 Port P1 (P1.0 to P1.3) Input/Output With Schmitt Trigger
Figure 5-4 shows the port diagram. summarizes the selection of the pin function.
(ADC) Reference
(P1.0, P1.1)
To ADC
From ADC
Pad Logic
To Comparator
From Comparator
CEPD.x
P1REN.x
P1DIR.x
00
01
10
11
Direction
0: Input
1: Output
DVSS
0
DVCC
1
1
MSP430FR5989-EP
SLASEC9 – APRIL 2017
P1OUT.x
00
From module 1
01
From module 2
10
DVSS
11
P1SEL1.x
P1SEL0.x
P1IN.x
To module 1^(A)
Bus
Keeper
To module 2^(A)
A. The inputs from several pins toward a module are ORed together.
NOTE: Functional representation only.
Figure 5-4. Port P1 (P1.0 to P1.3) Diagram
P1.0/TA0.1/DMAE0/RTCCLK/
A0/C0/VREF-/VeREF-
P1.1/TA0.2/TA1CLK/COUT/
A1/C1VREF+/VeREF+
P1.2/TA1.1/TA0CLK/COUT/A2/C2
P1.3/TA1.2/ESITEST4/A3/C3
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Detailed Description
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