MSP430X47X3_07 Datasheet, PDF (57/76 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

port P2, P2.4 to P2.5, input/output with Schmitt-trigger
DVSS
MSP430x47x3, MSP430x47x4
MIXED SIGNAL MICROCONTROLLER
SLAS545A − MAY 2007 − REVISED DECEMBER 2007
P2REN.x
P2DIR.x
0
USCI Direction
1
Control
P2OUT.x
0
Module X OUT
1
P2SEL.x
P2IN.x
EN
Module X IN
D
Direction
0: Input
1: Output
DVSS 0
DVCC 1
Bus
Keeper
EN
P2IRQ.x
P2IE.x
P2IFG.x
EN
Q
Set
P2SEL.x
P2IES.x
Interrupt
Edge
Select
Port P2 (P2.4 and P2.5) pin functions
PIN NAME (P2.X)
X
FUNCTION
P2.4/
4 P2.4 (I/O)
UCA0TXD/UCA0SIMO
UCA0TXD/UCA0SIMO (see Note 1, 2)
P2.5/
5 P2.5 (I/O)
UCA0RXD/UCA0SOMI
UCA0RXD/UCA0SOMI (see Note 1, 2)
NOTES: 1. X: Don’t care.
2. The pin direction is controlled by the USCI module.
1
P2.4/UCA0TXD/UCA0SIMO
P2.5/UCA0RXD/UCA0SOMI
CONTROL BITS / SIGNALS
P2DIR.x
P2SEL.x
I: 0; O: 1
0
X
1
I: 0; O: 1
0
X
1
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