Datasheet

P1.0/TA0CLK/ACLK/A0
P1.1/TA0.0/A1
P1.2/TA0.1/A2
To Module
ACLK
PxOUT.y
DV
SS
DV
CC
1
Bus
Keeper
EN
1
0
PxIN.y
PxSEL.y
PxREN.y
1
0
INCHx
To ADC10
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
ADC10AE0.y
MSP430G2x31
MSP430G2x21
www.ti.com SLAS694J –FEBRUARY 2010–REVISED FEBRUARY 2013
Port P1 Pin Schematic: P1.0 to P1.2, Input/Output With Schmitt Trigger – MSP430G2x31
Table 18. Port P1 (P1.0 to P1.2) Pin Functions – MSP430G2x31
CONTROL BITS / SIGNALS
(1)
PIN NAME (P1.x) x FUNCTION
ADC10AE.x
P1DIR.x P1SEL.x
(INCH.y = 1)
P1.0/ P1.x (I/O) I: 0; O: 1 0 0
TA0CLK/ TA0.TACLK 0 1 0
0
ACLK/ ACLK 1 1 0
A0 A0 X X 1 (y = 0)
P1.1/ P1.x (I/O) I: 0; O: 1 0 0
TA0.0/ TA0.0 1 1 0
1
TA0.CCI0A 0 1 0
A1 A1 X X 1 (y = 1)
P1.2/ P1.x (I/O) I: 0; O: 1 0 0
TA0.1/ TA0.1 1 1 0
2
TA0.CCI1A 0 1 0
A2/ A2 X X 1 (y = 2)
(1) X = don't care
Copyright © 2010–2013, Texas Instruments Incorporated Submit Documentation Feedback 37