MSP430F677X1_16 Datasheet, PDF (111/162 Pages) Texas Instruments – Polyphase Metering SoCs

MSP430F677x1, MSP430F676x1, MSP430F674x1
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SLAS815C – NOVEMBER 2012 – REVISED DECEMBER 2013
Table 78. Ports P3 (P3.1 Through P3.7) Pin Functions (MSP430F677xIPZ Only)
PIN NAME (P3.x) x
FUNCTION
CONTROL BITS OR SIGNALS⁽¹⁾
P3DIR.x
P3SEL0.x P3MAP.x LCD39..33
P3.1 (I/O)
I:0; O:1
0
X
0
P3.1/PM_UCA0TXD/
PM_UCA0SIMO/S39
Mapped secondary digital function
1
Output driver and input Schmitt trigger disabled
X
1
≤ 30
0
X
1
= 31
0
S39
X
X
X
1
P3.2 (I/O)
I:0; O:1
0
X
0
P3.2/PM_UCA0CLK/
S38
Mapped secondary digital function
2
Output driver and input Schmitt trigger disabled
X
1
≤ 30
0
X
1
= 31
0
S38
X
X
X
1
P3.3 (I/O)
I:0; O:1
0
X
0
P3.3/PM_UCA1CLK/
S37
Mapped secondary digital function
3
Output driver and input Schmitt trigger disabled
X
1
≤ 30
0
X
1
= 31
0
S37
X
X
X
1
P3.4/PM_UCA1RXD
/
PM_UCA1SOMI/S36
P3.4 (I/O)
Mapped secondary digital function
4
Output driver and input Schmitt trigger disabled
S36
I:0; O:1
0
X
0
X
1
≤ 30
0
X
1
= 31
0
X
X
X
1
P3.5 (I/O)
I:0; O:1
0
X
0
P3.5/PM_UCA1TXD/
PM_UCA1SIMO/S35
Mapped secondary digital function
5
Output driver and input Schmitt trigger disabled
X
1
≤ 30
0
X
1
= 31
0
S35
X
X
X
1
P3.6/PM_UCA2RXD
/
PM_UCA2SOMI/S34
P3.6 (I/O)
Mapped secondary digital function
6
Output driver and input Schmitt trigger disabled
S34
I:0; O:1
0
X
0
X
1
≤ 30
0
X
1
= 31
0
X
X
X
1
P3.7 (I/O)
I:0; O:1
0
X
0
P3.7/PM_UCA2TXD/
PM_UCA2SIMO/S33
Mapped secondary digital function
7
Output driver and input Schmitt trigger disabled
X
1
≤ 30
0
X
1
= 31
0
S33
X
X
X
1
(1) X = don't care
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