Datasheet

MSP430F47x
MIXED SIGNAL MICROCONTROLLER
SLAS629A -- MARCH 2009 -- REVISED APRIL 2009
69
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
Port P2 pin schematic: P2.4 and P2.5, input/output with Schmitt trigger
Direction
0: Input
1: Output
P2SEL.x
P2DIR.x
P2IN.x
D
EN
Module X IN
Module X OUT
P2OUT.x
Pad Logic
1
0
1
0
P2.4/UCA0TXD/UCA0SIMO
P2.5/UCA0RXD/UCA0SOMI
Module
direction
P2IRQ.x
Interrupt
Edge Select
Q
EN
Set
P2SEL.x
P2IES.x
P2IFG.x
P2IE.x
Port P2 (P2.4 and P2.5) pin functions
P
I
N
N
A
M
E
(
P
2
X
)
X
F
U
N
C
T
I
O
N
CONTROL BITS / SIGNALS
PIN N
A
ME
(
P2.
X
)
X
FUNCTION
P2DIR.x P2SEL.x
P2.4/UCA0TXD/ 4 P2.x (I/O) I: 0, O: 1 0
/
/
UCA0SIMO
UCA0TXD/UCA0SIMO (see Notes 2) x 1
P2.5/UCA0RXD/ 5 P2.x (I/O) I: 0, O: 1 0
/
/
UCA0SOMI
UCA0RXD/UCA0SOMI (see Notes 2) x 1
NOTES: 1. x: Don’t care
2. The pin direction is controlled by the USCI module.