MSP430X20X1 Datasheet, PDF (54/80 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x20x1, MSP430x20x2, MSP430x20x3
MIXED SIGNAL MICROCONTROLLER
SLAS491A − AUGUST 2005 − REVISED OCTOBER 2005
Port P2 (P2.6) pin schematics, MSP430x20x1
BCSCTL3.LFXT1Sx = 11
LFXT1 Oscillator
LFXT1 off
P2.7/XOUT
0
LFXT1CLK
1
P2SEL.7
P2REN.6
Pad Logic
P2DIR.6
0
1
P2OUT.6
Module X OUT
P2SEL.6
P2IN.6
Module X IN
0
1
EN
D
Direction
0: Input
1: Output
DVSS 0
DVCC 1
1
Bus
Keeper
EN
P2.6/XIN/TA 1
P2IRQ.6
P2IE.6
P2IFG.6
EN
Q
Set
P2SEL.6
P2IES.6
Interrupt
Edge
Select
Port P2 (P2.6) pin functions, MSP430x20x1
PIN NAME (P2.X) X
FUNCTION
P2.6/XIN/TA1
6 P2.6 Input/Output
XIN† (see Note 3)
Timer_A2.TA1
† _{Default after reset (PUC/POR)}
NOTES: 1. N/A: Not available or not applicable.
2. X: Don’t care.
3. XIN is used as digital clock input if the bits LFXT1Sx in register BCSCTL3 are set to 11.
CONTROL BITS / SIGNALS
P2DIR.x
P2SEL.x
0/1
0
0
1
1
1
54
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265