MSP430FG439 Datasheet, PDF (60/88 Pages) Texas Instruments – Mixed-Signal Microcontrollers

MSP430FG439, MSP430FG438, MSP430FG437
SLAS380D – APRIL 2004 – REVISED NOVEMBER 2014
www.ti.com
6.10.6 Port P3, P3.0 to P3.3, Input/Output With Schmitt Trigger
LCDPx[0]
LCDPx[1]
LCDPx[2]
Segment xx
MSP430x43xIPN (80-Pin) Only
0: Port active
1: Segment xx function active
x43xIPZ and x44xIPZ have not segment
Function on Port P3: Both lines are low.
Pad Logic
P3SEL.x
P3DIR.x
Direction Control
From Module
P3OUT.x
Module X OUT
P3IN.x
Module X IN
Note: 0 ≤ x ≤ 3
PnSel.x
P3Sel.0
P3Sel.1
P3Sel.2
P3Sel.3
0
0: Input
1: Output
1
0
1
Bus
Keeper
EN
D
PnDIR.x
P3DIR.0
P3DIR.1
P3DIR.2
P3DIR.3
Direction Control
From Module
DVSS
DCM_SIMO0
DCM_SOMI0
DCM_UCLK0
PnOUT.x
P3OUT.0
P3OUT.1
P3OUT.2
P3OUT.3
Module X OUT
DVSS
SIMO0(out)
SOMIO(out)
UCLK0(out)
P3.0/STE0/S31
P3.1/SIMO0/S30
P3.2/SOMI0/S29
P3.3/UCLK0/S28
PnIN.x
P3IN.0
P3IN.1
P3IN.2
P3IN.3
Module X IN
STE0(in)
SIMO0(in)
SOMI0(in)
UCLK0(in)
SYNC
MM
STC
STE
Direction Control for SIMO0 and UCLK0
DCM_SIMO0
DCM_UCLK0
SYNC
MM
STC
STE
Direction Control for SOMI0
DCM_SOMI0
60
Detailed Description
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