Datasheet

MSP430x461x1, MSP430x461x
MIXED SIGNAL MICROCONTROLLER
63
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
port P2, P2.4 to P2.5, input/output with Schmitt trigger
Bus
Keeper
EN
Direction
0: Input
1: Output
P2SEL.x
1
0
P2DIR.x
P2IN.x
DV
SS
DV
SS
Pad Logic
DV
SS
P2IRQ.x
D
EN
Module X IN
1
0
Module X OUT
P2OUT.x
Note: x = 4,5
P2.4/UCA0TXD
P2.5/UCA0RXD
Interrupt
Edge
Select
Q
EN
Set
P2SEL.x
P2IES.x
P2IFG.x
P2IE.x
Direction control
from Module X
port P2 (P2.4 and P2.5) pin functions
PIN NAME (P2 X)
X
FUNCTION
CONTROL BITS / SIGNALS
PIN NAME (P2.X)
X FUNCTION
P2DIR.x P2SEL.x
P2.4/UCA0TXD 4
P2.4 (I/O) I: 0; O: 1 0
USCI_A0.UCA0TXD (see Note 1, 2) X 1
P2.5/UCA0RXD 5
P2.5 (I/O) I: 0; O: 1 0
USCI_A0.UCA0RXD (see Note 1, 2) X 1
NOTES: 1. X: Don’t care.
2. When in USCI mode, P2.4 is set to output, P2.5 is set to input.