MSP430FG439 Datasheet, PDF (62/88 Pages) Texas Instruments – Mixed-Signal Microcontrollers

MSP430FG439, MSP430FG438, MSP430FG437
SLAS380D – APRIL 2004 – REVISED NOVEMBER 2014
6.10.8 Port P4, P4.0 to P4.5, Input/Output With Schmitt Trigger
Port/LCD
Segment xx
0: Port active
1: Segment xx function active
Pad Logic
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P4SEL.x
0
P4DIR.x
Direction Control
1
From Module
P4OUT.x
0
1
Module X OUT
P4IN.x
Module X IN
Note: 0 ≤ x ≤ 5
PnSEL.x
P4SEL.0
P4SEL.1
P4SEL.2
P4SEL.3
P4SEL.4
P4SEL.5
EN
D
PnDIR.x
P4DIR.0
P4DIR.1
P4DIR.2
P4DIR.3
P4DIR.4
P4DIR.5
Direction Control
From Module
P4DIR.0
P4DIR.1
P4DIR.2
P4DIR.3
P4DIR.4
P4DIR.5
0: Input
1: Output
Bus
Keeper
PnOUT.x
P4OUT.0
P4OUT.1
P4OUT.2
P4OUT.3
P4OUT.4
P4OUT.5
Module X OUT
DVSS
DVSS
DVSS
DVSS
DVSS
DVSS
PnIN.x
P4IN.0
P4IN.1
P4IN.2
P4IN.3
P4IN.4
P4IN.5
P4.0/S9
P4.1/S8
P4.2/S7
P4.3/S6
P4.4/S5
P4.5/S4
Module X IN
unused
unused
unused
unused
unused
unused
DEVICE
MSP430FG43x
PORT BITS
P4.0 to P4.5
PORT FUNCTION
LCDPx < 01h
LCD SEGMENT FUNCTION
LCDPx ≥ 01h
62
Detailed Description
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