Datasheet

MSP430F42xA
MIXED SIGNAL MICROCONTROLLER
SLAS587 -- FEBRUARY 2008
36
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
input/output schematic (continued)
Port P2, unbonded GPIOs P2.6 and P2.7
EN
D
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
Bus Keeper
0
1
0: Input
1: Output
Node Is Reset With PUC
PUC
NOTE: x = Bit/identifier, 6 to 7 for port P2 without external pins
P2Sel.x
P2DIR.x
DIRECTION
CONTROL
FROM MODULE
P2OUT.x MODULE X OUT P2IN.x MODULE X IN P2IE.x P2IFG.x P2IES.x
P2Sel.6 P2DIR.6 P2DIR.6 P2OUT.6 DV
SS
P2IN.6 unused P2IE.6 P2IFG.6 P2IES.6
P2Sel.7 P2DIR.7 P2DIR.7 P2OUT.7 DV
SS
P2IN.7 unused P2IE.7 P2IFG.7 P2IES.7
NOTE: Unbonded GPIOs 6 and 7 of port P2 can be used as interrupt flags. Only software can affect the interrupt flags. They work as software
interrupts.