MSP430F2101 Datasheet, PDF (35/53 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

Port P1 (P1.4 to P1.7) pin functions
PIN NAME (P1.X) X
FUNCTION
P1.4/SMCLK/TCK
4 P1.4† (I/O)
SMCLK
TCK
P1.5/TA0/TMS
5 P1.5† (I/O)
Timer_A3.TA0
TMS
P1.6/TA1/TDI/TCLK 6 P1.6† (I/O)
Timer_A3.TA1
TDI/TCLK (see Note 3)
P1.7/TA2/TDO/TDI
7 P1.7† (I/O)
Timer_A3.TA2
TDO/TDI (see Note 3)
† _{Default after reset (PUC/POR)}
NOTES: 1. N/A: Not available or not applicable.
2. X: Don’t care.
3. Function controlled by JTAG.
MSP430x21x1
MIXED SIGNAL MICROCONTROLLER
SLAS439C − SEPTEMBER 2004 − REVISED JULY 2006
CONTROL BITS / SIGNALS
P1DIR.x
P1SEL.x
TEST
I: 0; O: 1
0
0
1
1
0
X
X
1
I: 0; O: 1
0
0
1
1
0
X
X
1
I: 0; O: 1
0
0
1
1
0
X
X
1
I: 0; O: 1
0
0
1
1
0
X
X
1
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