MSP430X12X_17 Datasheet, PDF (26/44 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x12x
MIXED SIGNAL MICROCONTROLLER
SLAS312C − JULY 2001 − REVISED SEPTEMBER 2004
APPLICATION INFORMATION
input/output schematic (continued)
Port P2, P2.0 to P2.2, input/output with Schmitt-trigger
P2SEL.x
P2DIR.x
Direction Control
From Module
0
0: Input
1
1: Output
P2OUT.x
Module X OUT
0
Pad Logic
1
P2.0/ACLK
P2.1/INCLK
P2.2/CAOUT/TA0
Bus Keeper
P2IN.x
EN
Module X IN
D
P2IRQ.x
P2IE.x
EN
Q
P2IFG.x
Set
Interrupt
Edge
Select
NOTE: x = Bit identifier, 0 to 2 for port P2
Interrupt
Flag
P2IES.x
P2SEL.x
PnSel.x
DIRECTION
PnDIR.x CONTROL
FROM MODULE
P2Sel.0 P2DIR.0
P2DIR.0
P2Sel.1 P2DIR.1
P2DIR.1
P2Sel.2 P2DIR.2
P2DIR.2
† _{Signal from or to Timer_A}
PnOUT.x
P2OUT.0
P2OUT.1
P2OUT.2
MODULE X OUT
ACLK
V_SS
CAOUT
PnIN.x
P2IN.0
P2IN.1
P2IN.2
MODULE X IN
unused
INCLK^†
CCI0B^†
CAPD.X
PnIE.x PnIFG.x PnIES.x
P2IE.0
P2IE.1
P2IE.2
P2IFG.0
P2IFG.1
P2IFG.2
P1IES.0
P1IES.1
P1IES.2
26
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