MSP430F2101 Datasheet, PDF (39/53 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x21x1
MIXED SIGNAL MICROCONTROLLER
SLAS439C − SEPTEMBER 2004 − REVISED JULY 2006
Port P2 pin schematic: P2.7, input/output with Schmitt-trigger and crystal oscillator output
To Comparator_A+
Pad Logic
From Comparator_A+
CAPD.x
BCSCTL3.LFXT1Sx = 11
LFXT1 Oscillator
LFXT1 off
LFXT1CLK
P2SEL.6
P2REN.7
0
1
From
P2.6/XIN
P2DIR.7
0
1
P2OUT.7
Module X OUT
P2SEL.7
P2IN.7
Module X IN
0
1
EN
D
Direction
0: Input
1: Output
P2IRQ.7
P2IE.7
P2IFG.7
EN
Q
Set
P2SEL.7
P2IES.7
Interrupt
Edge
Select
Control signal “From Comparator_A+”
PIN NAME
P2.7/XOUT/CA7
FUNCTION
CA7
Pad Logic
P2.6/XIN/CA6
DVSS 0
DVCC 1
1
Bus
Keeper
EN
P2.7/XOUT/CA7
SIGNAL “FROM COMPARATOR_A+” = 1
P2CA3
P2CA2
P2CA1
1
1
1
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