Datasheet

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SLAS439A − SEPTEMBER 2004 − REVISED JUNE 2005
34
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
Port P1 (P1.4 to P1.7) pin functions
PIN NAME (P1.X)
X
FUNCTION
CONTROL BITS / SIGNALS
PIN NAME (P1.X)
X
FUNCTION
P1DIR.x P1SEL.x TEST
P1.4/SMCLK/TCK 4
P1.4† (I/O) I: 0; O: 1 0 0
P1.4/SMCLK/TCK
4
SMCLK 1 1 0
TCK X X 1
P1.5/TA0/TMS 5
P1.5† (I/O) I: 0; O: 1 0 0
P1.5/TA0/TMS
5
Timer_A3.TA0 1 1 0
TMS X X 1
P1.6/TA1/TDI/TCLK 6
P1.6† (I/O) I: 0; O: 1 0 0
P1.6/TA1/TDI/TCLK
6
Timer_A3.TA1 1 1 0
TDI/TCLK (see Note 3) X X 1
P1.7/TA2/TDO/TDI 7
P1.7† (I/O) I: 0; O: 1 0 0
P1.7/TA2/TDO/TDI
7
Timer_A3.TA2 1 1 0
TDO/TDI (see Note 3) X X 1
†
Default after reset (PUC/POR)
NOTES: 1. N/A: Not available or not applicable.
2. X: Don’t care.
3. Function controlled by JTAG.