MSP430G2955 Datasheet, PDF (59/72 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

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MSP430G2955
MSP430G2855
MSP430G2755
SLAS800 – MARCH 2013
PIN NAME (P3.x) x
Table 22. Port P3 (P3.0 to P3.7) Pin Functions
FUNCTION
P3DIR.x
CONTROL BITS / SIGNALS⁽¹⁾
P3SEL.x
P3SEL2.x
P3.0/
UCB0STE/
UCA0CLK/
A5/
Pin Osc
P3.1/
UCB0SIMO/
UCB0SDA/
Pin Osc
P3.2/
UCB0SOMI/
UCB0SCL/
Pin Osc
P3.3/
UCB0CLK/
UCA0STE/
Pin Osc
P3.4/
UCA0TXD/
UCA0SIMO/
Pin Osc
P3.5/
UCA0RXD/
UCA0TXD/
Pin Osc
P3.6/
TA1.1/
A6/
Pin Osc
P3.7/
TA1.2/
A7/
Pin Osc
P3.x (I/O)
UCB0STE
0 UCA0CLK
A5
Capacitive sensing
P3.x (I/O)
UCB0SIMO
1
UCB0SDA
Capacitive sensing
P3.x (I/O)
UCB0SOMI
2
UCB0SCL
Capacitive sensing
P3.x (I/O)
UCB0CLK
3
UCA0STE
Capacitive sensing
P3.x (I/O)
UCA0TXD
4
UCA0SIMO
Capacitive sensing
P3.x (I/O)
UCA0RXD
5
UCA0TXD
Capacitive sensing
P3.x (I/O)
Timer1_A3.CCI1A
6 Timer1_A3.TA1
A6
Capacitive sensing
P3.x (I/O)
Timer1_A3.CCI2A
7 Timer1_A3.TA2
A7
Capacitive sensing
I: 0; O: 1
0
0
from USCI
1
0
from USCI
1
0
X
X
X
X
0
1
I: 0; O: 1
0
0
from USCI
1
0
from USCI
1
0
X
0
1
I: 0; O: 1
0
0
from USCI
1
0
from USCI
1
0
X
0
1
I: 0; O: 1
0
0
from USCI
1
0
from USCI
1
0
X
0
1
I: 0; O: 1
0
0
from USCI
1
0
from USCI
1
0
X
0
1
I: 0; O: 1
0
0
from USCI
1
0
from USCI
1
0
X
0
1
I: 0; O: 1
0
0
0
1
0
1
1
0
X
X
X
X
0
1
I: 0; O: 1
0
0
0
1
0
1
1
0
X
X
X
X
0
1
(1) X = don't care
ADC10AE.y
INCH.y=1
0
0
0
1 (y = 5)
0
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
n/a
0
0
0
1 (y = 6)
0
0
0
0
1 (y = 7)
0
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