MSP430F677X1_16 Datasheet, PDF (105/162 Pages) Texas Instruments – Polyphase Metering SoCs

MSP430F677x1, MSP430F676x1, MSP430F674x1
www.ti.com
SLAS815C – NOVEMBER 2012 – REVISED DECEMBER 2013
Port P2, P2.4 Through P2.6, Input/Output With Schmitt Trigger (MSP430F677xIPZ Only)
P2REN.x
P2MAP.x = PMAP_ANALOG
P2DIR.x
0
from Port Mapping
1
DVSS ⁰
DVCC ¹
P2OUT.x
0
from Port Mapping
1
P2SEL0.x
P2IN.x
P2DS.x
(MSP430F677xIPZ only)
P2.4/PM_TA2.0
P2.5/PM_UCB0SOMI/PM_UCB0SCL
P2.6/PM_UCB0SIMO/PM_UCB0SDA
to Port Mapping
P2IE.x
P2IRQ.x
P2IFG.x
EN
D
Q EN
SET
Bus
Keeper
P2SEL.x
P2IES.x
Interrupt
Edge
Select
Table 74. Port P2 (P2.4 and P2.6) Pin Functions (MSP430F677xIPZ Only)
PIN NAME (P2.x)
x
FUNCTION
CONTROL BITS OR SIGNALS⁽¹⁾
P2DIR.x
P2SEL0.x P2MAP.x
P2.4 (I/O)
I:0; O:1
0
X
P2.4/PM_TA2.0/R23
4 Mapped secondary digital function
X
1
≤ 30
R23
X
1
= 31
P2.5/PM_UCB0SOMI/
PM_UCB0SCL/R13
P2.5 (I/O)
5 Mapped secondary digital function
R13
I:0; O:1
0
X
1
X
1
X
≤ 30
= 31
P2.6/PM_UCB0SIMO/
PM_UCB0SDA/R03
P2.6 (I/O)
6 Mapped secondary digital function
R03
I:0; O:1
0
X
1
X
1
X
≤ 30
= 31
(1) X = don't care
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