Datasheet

MSP430F47x
MIXED SIGNAL MICROCONTROLLER
SLAS629A -- MARCH 2009 -- REVISED APRIL 2009
71
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
Port P3 pin schematic: P3.0 and P3.3, input/output with Schmitt trigger
Direction
0: Input
1: Output
P3SEL.x
P3DIR.x
P3IN.x
D
EN
Module X IN
Module X OUT
P3OUT.x
Pad Logic
1
0
1
0
P3.0/UCB0STE/UCA0CLK
P3.3/UCB0CLK/UCA0STE
Module
direction
Port P3 (P3.0 and P3.3) pin functions
P
I
N
N
A
M
E
(
P
3
X
)
X
F
U
N
C
T
I
O
N
CONTROL BITS / SIGNALS
PIN N
A
ME
(
P3.
X
)
X
FUNCTION
P3DIR.x P3SEL.x
P3.0/UCB0STE/ 0 P3.x (I/O) I: 0, O: 1 0
/
/
UCA0CLK
UCB0STE/UCA0CLK (see Note 2) x 1
P3.3/UCB0CLK/ 3 P3.x (I/O) I: 0, O: 1 0
/
/
UCA0STE
UCB0CLK/UCA0STE (see Note 2) x 1
NOTES: 1. x: Don’t care
2. The pin direction is controlled by the USCI module.