Datasheet

MSP430x12x
MIXED SIGNAL MICROCONTROLLER
SLAS312C − JULY 2001 − REVISED SEPTEMBER 2004
26
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
input/output schematic (continued)
Port P2, P2.0 to P2.2, input/output with Schmitt-trigger
EN
D
P2.0/ACLK
P2.1/INCLK
P2.2/CAOUT/TA0
0
1
0
1
Interrupt
Edge
Select
EN
Set
Q
P2IE.x
P2IFG.x
P2IRQ.x
Interrupt
Flag
P2IES.x
P2SEL.x
Module X IN
P2IN.x
P2OUT.x
Module X OUT
Direction Control
From Module
P2DIR.x
P2SEL.x
Pad Logic
NOTE: x = Bit identifier, 0 to 2 for port P2
0: Input
1: Output
Bus Keeper
CAPD.X
PnSel.x PnDIR.x
DIRECTION
CONTROL
FROM MODULE
PnOUT.x MODULE X OUT PnIN.x MODULE X IN PnIE.x PnIFG.x PnIES.x
P2Sel.0 P2DIR.0 P2DIR.0 P2OUT.0 ACLK P2IN.0 unused P2IE.0 P2IFG.0 P1IES.0
P2Sel.1 P2DIR.1 P2DIR.1 P2OUT.1 V
SS
P2IN.1 INCLK
†
P2IE.1 P2IFG.1 P1IES.1
P2Sel.2 P2DIR.2 P2DIR.2 P2OUT.2 CAOUT P2IN.2 CCI0B
†
P2IE.2 P2IFG.2 P1IES.2
†
Signal from or to Timer_A