MSP430X47X3_07 Datasheet, PDF (54/76 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x47x3, MSP430x47x4
MIXED SIGNAL MICROCONTROLLER
SLAS545A − MAY 2007 − REVISED DECEMBER 2007
Port P1, P1.6, P1.7, input/output with Schmitt-trigger
To Comparator_A
From Comparator_A
CAPD.x
P1REN.x
Pad Logic
P1DIR.x
0
1
P1OUT.x
0
Module X OUT
1
P1SEL.x
P1IN.x
EN
Module X IN
D
Direction
0: Input
1: Output
DVSS 0
DVCC 1
1
Bus
Keeper
EN
P1.6/CA0
P1.7/CA1
P1IRQ.x
P1IE.x
P1IFG.x
EN
Q
Set
P1SEL.x
P1IES.x
Interrupt
Edge
Select
Port P1 (P1.6 and P1.7) pin functions
PIN NAME (P1.X)
X
FUNCTION
CONTROL BITS / SIGNALS
P1DIR.x
P1SEL.x
CAPD.x
P1.6/CA0
6 P1.6 (I/O)
I: 0; O: 1
0
0
CA0 (see Note 2)
X
X
1
P1.7/CA1
7 P1.7 (I/O)
I: 0; O: 1
0
0
CA1 (see Note 2)
X
X
1
NOTES: 1. X: Don’t care.
2. Setting the CAPD.x bit disables the output driver as well as the input schmitt trigger to prevent parasitic cross currents when applying
analog signals.
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