Datasheet

MSP430x41x
MIXED SIGNAL MICROCONTROLLER
SLAS340J − MAY 2001 − REVISED DECEMBER 2008
42
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
port P4, P4.0 to P4.7, input/output with Schmitt trigger
P4SEL.0 P4DIR.0 P4OUT.0
P4IN.0
0: Port Active
1: Segment xx
DVSS
Unused
P4OUT.x
Module X OUT
P4DIR.x
Direction Control
From Module
P4SEL.x
D
EN
P4.x
0
1
1
0
Pad Logic
0: Input
1: Output
Bus
keeper
PnSEL.x PnDIR.x
Direction
From Module
PnOUT.x
Module X
OUT
PnIN.x Module X IN
Module X IN
P4IN.x
Control
NOTE: 0 ≤ x ≤ 7
DVSS
DVSS
DVSS
DVSS
DVSS
Unused
Unused
Unused
Unused
Unused
Unused
Segment xx
Function Active
LCDM.6
LCDM.7
LCDM.5
Unused
DVSS
DVSS
P4.7/S2
P4.6/S3
P4.5/S4
P4.0/S9
P4.1/S8
P4.2/S7
P4.4/S5
P4.3/S6
P4SEL.1 P4DIR.1 P4OUT.1
P4IN.1
P4SEL.2 P4DIR.2 P4OUT.2
P4IN.2
P4SEL.3 P4DIR.3 P4OUT.3
P4IN.3
P4SEL.4 P4DIR.4 P4OUT.4
P4IN.4
P4SEL.5 P4DIR.5 P4OUT.5
P4IN.5
P4SEL.6 P4DIR.6 P4OUT.6
P4IN.6
P4SEL.7 P4DIR.7 P4OUT.7
P4IN.7
P4DIR.0
P4DIR.1
P4DIR.2
P4DIR.3
P4DIR.4
P4DIR.5
P4DIR.6
P4DIR.7