MSP430G2955
MSP430G2855
MSP430G2755
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SLAS800 –MARCH 2013
Table 19. Port P2 (P2.0 to P2.5) Pin Functions
CONTROL BITS / SIGNALS(1)
PIN NAME (P2.x)
x
FUNCTION
ADC10AE.y
INCH.y=1
P2DIR.x
P2SEL.x
P2SEL2.x
P2.0/
P2.x (I/O)
I: 0; O: 1
0
1
1
X
0
0
1
1
X
0
0
1
1
X
0
0
1
1
X
X
X
0
0
1
1
X
X
X
0
0
1
1
0
0
0
X
1
0
0
0
X
1
0
0
0
X
1
0
0
0
X
X
X
1
0
0
0
X
X
X
1
0
0
0
0
TA1CLK/
ACLK/
A0/
Timer1_A3.TACLK
ACLK output
A0
0
0
0
1
0
X
1 (y = 0)
Pin Osc
P2.1/
Capacitive sensing
P2.x (I/O)
X
0
I: 0; O: 1
0
TA0INCLK/
SMCLK/
A1/
Timer0_A3.TAINCLK
SMCLK output
A1
0
0
1
2
1
0
X
1 (y = 1)
Pin Osc
P2.2/
Capacitive sensing
P2.x (I/O)
X
0
I: 0; O: 1
0
TA0.0/
Timer0_A3.CCI0B
Timer0_A3.TA0
A2
0
0
1
0
A2/
X
1 (y = 2)
Pin Osc
P2.3/
Capacitive sensing
P2.x (I/O)
X
0
I: 0; O: 1
0
TA0.1/
Timer0_A3.CCI1B
Timer0_A3.TA1
A3
0
0
1
0
A3/
3
X
1 (y = 3)
VREF-/
VEREF-/
Pin Osc
P2.4/
VREF-
X
1
VEREF-
X
1
Capacitive sensing
P2.x (I/O)
X
0
I: 0; O: 1
0
TA0.2/
Timer0_A3.CCI2B
Timer0_A3.TA2
A4
0
0
1
0
A4/
4
X
1 (y = 4)
VREF+/
VEREF+/
Pin Osc
P2.5/
VREF+
X
1
1
0
0
0
0
VEREF+
X
Capacitive sensing
P2.x (I/O)
X
I: 0; O: 1
TA1.0/
Timer1_A3.CCI0A
Timer1_A3.TA0
0
1
5
ROSC (DCOR = 1 to enable its
function)
ROSC/
X
X
X
0
X
1
0
0
Pin Osc
Capacitive sensing
(1) X = don't care
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