Datasheet

To Module
SMCLK
PxOUT.y
DV
SS
DV
CC
1
Bus
Keeper
EN
1
0
PxIN.y
PxSEL.y
PxREN.y
1
0
PxIRQ.y
PxIE.y
EN
Set
Q
Interrupt
Edge
Select
PxSEL.y
PxIES.y
PxIFG.y
Direction
0: Input
1: Output
PxDIR.y
PxSEL.y
0
1
P1.4/SMCLK/A4/VREF+/VEREF+/TCK
INCHx = y
To ADC10
To ADC10 VREF+
ADC10AE0.y
From JTAG
To JTAG
MSP430G2x31
MSP430G2x21
www.ti.com SLAS694J –FEBRUARY 2010–REVISED FEBRUARY 2013
Port P1 Pin Schematic: P1.4, Input/Output With Schmitt Trigger – MSP430G2x31
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