MSP430FR2033 Datasheet, PDF (49/89 Pages) Texas Instruments – Mixed-Signal Microcontrollers

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6.9.12.5 Port P4.1 and P4.2 Input/Output With Schmitt Trigger
MSP430FR2033, MSP430FR2032
SLASE45B – OCTOBER 2014 – REVISED AUGUST 2015
XIN, XOUT
P4REN.x
P4DIR.x
DVSS
0
DVCC
1
P4OUT.x
P4SEL0.x
P4IN.x
Bus
Keeper
P4.1/XIN
P4.2/XOUT
Figure 6-5. Port P4.1 and P4.2 Input/Output With Schmitt Trigger
PIN NAME (P4.x)
P4.1/XIN
P4.2/XOUT
(1) X = don't care
Table 6-18. Port P4.1 and P4.2 Pin Functions
x
P4.1 (I/O)
1
XIN
P4.2 (I/O)
2
XOUT
FUNCTION
CONTROL BITS AND SIGNALS⁽¹⁾
P4DIR.x
P4SEL0.x
I: 0; O: 1
0
X
1
I: 0; O: 1
0
X
1
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