Datasheet

MSP430x43x1, MSP430x43x, MSP430x44x1, MSP430x44x
MIXED SIGNAL MICROCONTROLLER
SLAS344G − JANUARY 2002 − REVISED OCTOBER 2009
64
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
port P4, P4.0 to P4.7, input/output with Schmitt trigger
P4OUT.x
Module X OUT
P4DIR.x
Direction Control
From Module
P4SEL.x
D
EN
0
1
1
0
PnSel.x PnDIR.x PnOUT.x
Module X
OUT
PnIN.x Module X IN
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.0 P4DIR.0 P4OUT.0 P4IN.0
Segment xx
0: Port active
1: Segment xx function active
P4Sel.6 P4DIR.6
P4Sel.7 P4DIR.7
P4DIR.6
P4DIR.7
P4OUT.6
P4OUT.7
P4IN.6
P4IN.7 unused
unused
unused
Module X IN
P4IN.x
0< x< 7Note:
Pad Logic
0: Input
1: Output
Bus
Keeper
Direction
From Module
Control
DV
SS
†
UTXD1
‡
DV
SS
DV
SS
DV
SS
DV
SS
Port/LCD
§
x43x(1)IPN
80-Pin
QFP:
P4.7/S2
P4.6/S3
P4.5/S4
P4.3/S6
P4.4/S5
P4.2/S7
P4.1/S8
P4.0/S9
x43x(1)IPZ
100-Pin
QFP:
P4.7/S34
P4.6/S35
P4.5/S36
P4.3/S37
P4.4/S38
P4.2/S39
P4.0
P4.1
x44x(1)
P4.7/S34
P4.6/S35
P4.5/UCLK1/S36
P4.4/SMO1/S37
P4.3/SIMO1/S38
P4.2/STE1/S39
P4.1/URXD1
P4.0/UTXD1
P4DIR.0
†
DV
CC‡
P4DIR.1
†
DV
SS‡
P4DIR.2
†
DV
SS‡
P4DIR3.
†
DCM_SIMO1
‡
P4DIR4.
†
DCM_SOMI
1‡
P4DIR5.
†
DCM_UCLK1
‡
DV
SS
†
SIMO1(out)
‡
DV
SS
†
SOMI1(out)
‡
DV
SS
†
UCLK1(out)
‡
unused†
URXD1
‡
unused†
STE1(in)‡
unused†
SIMO1(in)‡
unused
SOMI1(in)‡
unused†
UCLK1(in)‡
†
Signal at MSP430x43x(1)
‡
Signal at MSP430x44x(1)
DEVICE
PORT BITS PORT FUNCTION LCD SEG. FUNCTION
x43x(1)IPN 80-pin QFP P4.0 . . .P4.7 LCDM < 020h LCDM ≥ 020h
x43x(1)IPZ 100-pin QFP P4.2 . . .P4.5 LCDM < 0E0h LCDM ≥ 0E0h
x44x(1)IPZ 100-pin QFP P4.6 . . .P4.7 LCDM < 0C0h LCDM ≥ 0C0h