MSP430FE42XA_14 Datasheet, PDF (36/50 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430FE42xA
MIXED SIGNAL MICROCONTROLLER
SLAS588 -- FEBRUARY 2008
APPLICATION INFORMATION
input/output schematic (continued)
Port P2, P2.0 to P2.1, input/output with Schmitt trigger
Port/LCD
Segment xx
0: Port active
1: Segment xx function active
Pad Logic
P2SEL.x
P2DIR.x
Direction Control
From Module
P2OUT.x
Module X OUT
P2IN.x
Module X IN
0
1
0
1
EN
D
0: Input
1: Output
Bus
Keeper
P2.0/TA2/S25
P2.1/UCLK0/S24
P2IRQ.x
P2IE.x
P2IFG.x
EN
Q
Set
Interrupt
Edge
Select
NOTE: 0 ≤ x ≤ 1.
Port Function is Active if Port/LCD = 0
PnSel.x
PnDIR.x
Dir. Control
from module
PnOUT.x
P2Sel.0 P2DIR.0 P2DIR.0 P2OUT.0
P2IES.x P2SEL.x
Module X
OUT
Out2sig.†
PnIN.x Module X IN
P2IN.0
CCI2A ^†
PnIE.x
P2IE.0
P2Sel.1 P2DIR.1 DCM_UCLK P2OUT.1 UCLK0(o)‡ P2IN.1 UCLK0(i)‡ P2IE.1
† _{Timer_A3}
‡ _USART0
PnIFG.x PnIES.x
P2IFG.0 P2IES.0
P2IFG.1 P2IES.1
Port/LCD Segment
0: LCDM
S25
< 0E0h
1: LCDM
≥ 0E0h
S24
SYNC
MM
STC
STE
Direction Control for UCLK0
DCM_UCLK
36
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