MSP430F551X Datasheet, PDF (80/115 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F551x
MSP430F552x
SLAS590D – OCTOBER 2009 – REVISED APRIL 2010
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Table 49. Port P2 (P2.0 to P2.7) Pin Functions
PIN NAME (P2.x)
P2.0/TA1.1
P2.1/TA1.2
P2.2/TA2CLK/SMCLK
P2.3/TA2.0
P2.4/TA2.1
P2.5/TA2.2
P2.6/RTCCLK/DMAE0
P2.7/UCB0STE/UCA0CLK
x
FUNCTION
0 P2.0 (I/O)
TA1.CCI1A
TA1.1
1 P2.1 (I/O)
TA1.CCI2A
TA1.2
2 P2.2 (I/O)
TA2CLK
SMCLK
3 P2.3 (I/O)
TA2.CCI0A
TA2.0
4 P2.4 (I/O)
TA2.CCI1A
TA2.1
5 P2.5 (I/O)
TA2.CCI2A
TA2.2
6 P2.6 (I/O)
DMAE0
RTCCLK
7 P2.7 (I/O)
UCB0STE/UCA0CLK^{(2) (3)}
CONTROL BITS/SIGNALS⁽¹⁾
P2DIR.x
P2SEL.x
I: 0; O: 1
0
0
1
1
1
I: 0; O: 1
0
0
1
1
1
I: 0; O: 1
0
0
1
1
1
I: 0; O: 1
0
0
1
1
1
I: 0; O: 1
0
0
1
1
1
I: 0; O: 1
0
0
1
1
1
I: 0; O: 1
0
0
1
1
1
I: 0; O: 1
0
X
1
(1) X = Don't care
(2) The pin direction is controlled by the USCI module.
(3) UCA0CLK function takes precedence over UCB0STE function. If the pin is required as UCA0CLK input or output, USCI A0/B0 is forced
to 3-wire SPI mode if 4-wire SPI mode is selected.
80
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