Datasheet

Bus
Keeper
EN
P1.5/TA0.0/A5/TMS
To Module
From Module
PxOUT.y
DV
SS
DV
CC
1
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
From JTAG
To JTAG
INCHx
To ADC10
ADC10AE0.y
MSP430G2x31
MSP430G2x21
SLAS694J –FEBRUARY 2010–REVISED FEBRUARY 2013 www.ti.com
Table 20. Port P1 (P1.4) Pin Functions – MSP430G2x31
CONTROL BITS / SIGNALS
(1)
PIN NAME (P1.x) x FUNCTION
ADC10AE.x JTAG
P1DIR.x P1SEL.x
(INCH.x = 1) Mode
P1.4/ P1.x (I/O) I: 0; O: 1 0 0 0
SMCLK/ SMCLK 1 1 0 0
A4/ A4 X X 1 (y = 4) 0
4
VREF+/ VREF+ X X 1 0
VEREF+/ VEREF+ X X 1 0
TCK TCK X X 0 1
(1) X = don't care
Port P1 Pin Schematic: P1.5, Input/Output With Schmitt Trigger – MSP430G2x31
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