Datasheet

MSP430x41x
MIXED SIGNAL MICROCONTROLLER
SLAS340J − MAY 2001 − REVISED DECEMBER 2008
45
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
port P5, P5.5 to P5.7, input/output with Schmitt trigger
P5SEL.5 P5DIR.5 P5OUT.5
P5IN.5 R13
P5DIR.5
DVSS
Unused
PnSEL.x PnDIR.x
Direction
From Module
PnOUT.x
Module X
OUT
PnIN.x
Rxx
Module X IN
Control
NOTE: 5 ≤ x ≤ 7
DVSS
Unused
0: Port Active
1: Rxx Function
P5OUT.x
Module X OUT
P5DIR.x
Direction Control
From Module
P5SEL.x
D
EN
P5.x
0
1
1
0
Pad Logic
0: Input
1: Output
Bus
keeper
Module X IN
P5IN.x
Rxx
Active
P5.5/R13
P5.6/R23
DVSS
Unused
P5SEL.6 P5DIR.6 P5OUT.6
P5IN.6 R23
P5DIR.6 DVSS
Unused
P5SEL.7 P5DIR.7 P5OUT.7
P5IN.7 R33
P5DIR.7 DVSS
Unused
P5.7/R33
NOTE:
The direction control bits P5SEL.5, P5SEL.6, and P5SEL.7 are used to distinguish between port
and LCD analog level functions. Note that 4MUX and 3MUX LCDs require all Rxx signals R33 to
R03, a 2MUX LCD requires R33, R13, and R03, and a static LCD requires only R33 and R03.