MSP430F412 datasheet(45/55 Pages) TI

45 / 55 page

MSP430x41x

MIXED SIGNAL MICROCONTROLLER

SLAS340G − MAY 2001 − REVISED JUNE 2004

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

APPLICATION INFORMATION

input/output schematic (continued)

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

P5.x

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.

MSP430F412 Datasheet(PDF) 45 Page - Texas Instruments

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