Datasheet

MSP430F47x
MIXED SIGNAL MICROCONTROLLER
SLAS629A -- MARCH 2009 -- REVISED APRIL 2009
73
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
Port P3 pin schematic: P3.4 to P3.7, input/output with Schmitt trigger
P3.4/S28
P3.5/S29
P3.6/S30
P3.7/S31
Direction
0: Input
1: Output
P3SEL.x
P3DIR.x
P3IN.x
Module X Out
P3OUT.x
1
0
1
0
Bus
Keeper
EN
Pad Logic
Segment Sy
LCDS28
Port P3 (P3.4 to P3.7) 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 LCDS28
P3.4/S28 4 P3.x (I/O) I: 0, O: 1 0 0
/
S28 x x 1
P3.5/S29 5 P3.x (I/O) I: 0, O: 1 0 0
/
S29 x x 1
P3.6/S30 6 P3.x (I/O) I: 0, O: 1 0 0
/
S30 x x 1
P3.7/S31 7 P3.x (I/O) I: 0, O: 1 0 0
/
S31 x x 1
NOTES: 1. x: Don’t care