MSP430FR5729 Datasheet, PDF (85/115 Pages) Texas Instruments – MSP430FR572x Mixed-Signal Microcontrollers

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MSP430FR5729, MSP430FR5728, MSP430FR5727, MSP430FR5726, MSP430FR5725
MSP430FR5724, MSP430FR5723, MSP430FR5722, MSP430FR5721, MSP430FR5720
SLASE35A – MAY 2014 – REVISED JUNE 2014
7.12 Port P4, P4.1, Input/Output With Schmitt Trigger
Pad Logic
P4REN.x
P4DIR.x
00
01
10
11
P4OUT.x
DVSS
DVSS
DVSS
P4SEL0.x
P4SEL1.x
P4IN.x
To modules
00
01
10
11
EN
D
Direction
0: Input
1: Output
DVSS
0
DVCC
1
1
P4.1
Bus
Keeper
Table 7-12. Port P4 (P4.1) Pin Functions
PIN NAME (P4.x)
x
P4.1
1 P4.1 (I/O) ⁽¹⁾
(1) Not available on all devices and package types.
FUNCTION
CONTROL BITS/SIGNALS
P4DIR.x P4SEL1.x P4SEL0.x
I: 0; O: 1
0
0
Copyright © 2014, Texas Instruments Incorporated
Input/Output Schematics
85
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