MSP430F677X_16 Datasheet, PDF (100/162 Pages) Texas Instruments – Polyphase Metering SoCs

ECCN 5E002 TSPA - Technology / Software Publicly Available
MSP430F677x, MSP430F676x, MSP430F674x
SLAS768D – SEPTEMBER 2012 – REVISED DECEMBER 2013
Port P1, P1.6 and P1.7 Input/Output With Schmitt Trigger (MSP430F677xIPEU and
MSP430F677xIPZ)
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COM2 to COM3
From LCD_C
P1REN.x
P1DIR.x
00
01
10
11
DVSS ⁰
DVCC ¹
P1OUT.x
00
01
DVSS
10
11
P1SEL0.x
P1SEL1.x
P1IN.x
P1DS.x
P1.6/COM2
P1.7/COM3
Not Used
P1IE.x
P1IRQ.x
P1IFG.x
EN
D
Q EN
SET
Bus
Keeper
P1SEL.x
P1IES.x
Interrupt
Edge
Select
Table 72. Port P1 (P1.6 and P1.7) Pin Functions (MSP430F677xIPEU and MSP430F677xIPZ)
PIN NAME (P1.x)
x
FUNCTION
P1DIR.x
CONTROL BITS OR SIGNALS⁽¹⁾
P1SEL1.x
P1SEL0.x COM Enable
P1.6 (I/O)
I:0; O:1
X
0
0
P1.6/COM2
N/A
6
DVSS
0
X
1
0
1
X
1
0
COM2
X
X
X
1
P1.7 (I/O)
I:0; O:1
X
0
0
P1.7/COM3
N/A
7
DVSS
0
X
1
0
1
X
1
0
COM3
X
X
X
1
(1) X = don't care
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