MSP430F147 Datasheet, PDF (44/59 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x13x, MSP430x14x, MSP430x14x1
MIXED SIGNAL MICROCONTROLLER
SLAS272F − JULY 2000 − REVISED JUNE 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
P3.0/STE0
P3.4/UTXD0
P3.5/URXD0
P3.6/UTXD1‡
P3.7/URXD1¶
P3IN.x
EN
Module X IN
D
x: Bit Identifier, 0 and 4 to 7 for Port P3
PnSel.x
PnDIR.x
DIRECTION
CONTROL
FROM MODULE
PnOUT.x
MODULE X OUT
P3Sel.0
P3DIR.0
DVSS
P3OUT.0
P3Sel.4
P3DIR.4
DVCC
P3OUT.4
P3Sel.5
P3DIR.5
DVSS
P3OUT.5
P3Sel.6
P3DIR.6
DVCC
P3OUT.6
P3Sel.7
P3DIR.7
DVSS
P3OUT.7
† _{Output from USART0 module}
‡ _{Output from USART1 module in x14x(1) configuration, DVSS in x13x configuration}
§ _{Input to USART0 module}
¶ _{Input to USART1 module in x14x(1) configuration, unused in x13x configuration}
DVSS
UTXD0†
DVSS
UTXD1‡
DVSS
PnIN.x
P3IN.0
P3IN.4
P3IN.5
P3IN.6
P3IN.7
MODULE X IN
STE0
Unused
URXD0§
Unused
URXD1^¶
44
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