MSP430X12X_17 Datasheet, PDF (30/44 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x12x
MIXED SIGNAL MICROCONTROLLER
SLAS312C − JULY 2001 − REVISED SEPTEMBER 2004
APPLICATION INFORMATION
input/output schematic (continued)
port P3, P3.0 and P3.4 to P3.7, input/output with Schmitt-trigger
P3SEL.x
P3DIR.x
Direction Control
From Module
P3OUT.x
Module X OUT
0: Input
0
1: Output
1
Pad Logic
0
1
P3IN.x
EN
Module X IN
D
x: Bit Identifier, 0 and 4 to 7 for Port P3
PnSel.x
PnDIR.x
P3Sel.0
P3DIR.0
P3Sel.4
P3DIR.4
P3Sel.5
P3DIR.5
P3Sel.6
P3DIR.6
P3Sel.7
P3DIR.7
† _{Output from USART0 module}
‡ _{Input to USART0 module}
DIRECTION
CONTROL
FROM MODULE
V_SS
V_CC
V_SS
V_SS
V_SS
PnOUT.x
P3OUT.0
P3OUT.4
P3OUT.5
P3OUT.6
P3OUT.7
MODULE X OUT
V_SS
UTXD0^†
V_SS
V_SS
V_SS
port P3, P3.1, input/output with Schmitt-trigger
SYNC
MM
STC
STE
P3SEL.1
P3DIR.1
DCM_SIMO
P3OUT1
(SI)MO0
From USART0
0: Input
0
1: Output
1
Pad Logic
0
1
P3.0/STE0
P3.4/UTXD0
P3.5/URXD0
P3.6
P3.7
PnIN.x
P3IN.0
P3IN.4
P3IN.5
P3IN.6
P3IN.7
MODULE X IN
STE0
Unused
URXD0^‡
Unused
Unused
P3.1/SIMO0
P3IN.1
EN
SI(MO)0
D
To USART0
30
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