MSP430FE42XA_14 Datasheet, PDF (37/50 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430FE42xA
MIXED SIGNAL MICROCONTROLLER
APPLICATION INFORMATION
input/output schematic (continued)
Port P2, P2.2 to P2.5, input/output with Schmitt trigger
SLAS588 -- FEBRUARY 2008
To BrownOut/SVS for P2.3/SVSIN
DVSS
DVSS
CAPD.x
P2SEL.x
P2DIR.x
Direction Control
From Module
P2OUT.x
Module X OUT
P2IN.x
Module X IN
P2IRQ.x
Pad Logic
0
0: Input
1: Output
1
0
1
Bus
keeper
EN
D
P2IE.x
EN
Q
P2IFG.x
Set
Interrupt
Edge
Select
P2.2/STE0
P2.3/SVSIN
P2.4/UTXD0
P2.5/URXD0
P2IES.x P2SEL.x
NOTE: 2 ≤ x ≤ 5
Port function is active if CAPD.x = 0
PnSEL.x
Direction
PnDIR.x
Control
PnOUT.x
From Module
P2SEL.2 P2DIR.2
DVSS
P2OUT.2
Module X
OUT
DVSS
P2SEL.3 P2DIR.3
P2DIR.3
P2OUT.3
DVSS
P2SEL.4 P2DIR.4
DVCC
P2OUT.4 UTXD0^†
P2SEL.5 P2DIR.5
DVSS
P2OUT.5 DVSS
† _USART0
PnIN.x Module X IN PnIE.x
P2IN.2
P2IN.3
P2IN.4
P2IN.5
STE0^†
unused
unused
URXD0^†
P2IE.2
P2IE.3
P2IE.4
P2IE.5
PnIFG.x PnIES.x CAPD.x
P2IFG.2
P2IFG.3
P2IFG.4
P2IFG.5
P2IES.2
DVSS
P2IES.3
SVSCTL VLD
= 1111b
P2IES.4
DVSS
P2IES.5
DVSS
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