MSP430F1122 Datasheet, PDF (34/48 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x11x2, MSP430x12x2
MIXED SIGNAL MICROCONTROLLER
SLAS361C − JANUARY 2002 − REVISED DECEMBER 2003
APPLICATION INFORMATION
Port P2, P2.3 to P2.4, input/output with Schmitt-trigger (continued)
PnSel.x PnDIR.x
P2Sel.3 P2DIR.3
P2Sel.4 P2DIR.4
† _{Timer_A}
DIRECTION
CONTROL
FROM MODULE
P2DIR.3
P2DIR.4
PnOUT.x MODULE X OUT PnIN.x MODULE X IN
P2OUT.3
P2OUT.4
Out1 signal†
Out2 signal†
P2IN.3
P2IN.4
CCI1B†
Unused
PnIE.x
P2IE.3
P2IE.4
PnIFG.x
P2IFG.3
P2IFG.4
PnIES.x
P1IES.3
P1IES.4
input/output schematic (continued)
Port P2, P2.5, input/output with Schmitt-trigger and R_OSC function for the Basic Clock Module
P2SEL.5
P2DIR.5
0
0: Input _{Pad Logic}
1: Output
Direction Control
1
From Module
0
P2OUT.5
1
Module X OUT
P2.5/ROSC
P2IN.5
Bus Keeper
Module X IN
P2IRQ.5
EN
D
P2IE.5
EN
Q
P2IFG.5
Set
Interrupt
Flag
Interrupt
Edge
Select
P2IES.5
DCOR
P2SEL.5
Internal to
Basic Clock
Module
VCC
0
1
DC
Generator
NOTE: DCOR: Control bit from Basic Clock Module: if it is set P2.5 is disconnected from P2.5 pad.
PnSel.x
P2Sel.5
PnDIR.x
P2DIR.5
DIRECTION
CONTROL
FROM MODULE
P2DIR.5
PnOUT.x
P2OUT.5
MODULE X OUT
VSS
PnIN.x
P2IN.5
MODULE X IN
unused
PnIE.x PnIFG.x PnIES.x
P2IE.5 P2IFG.5 P2IES.5
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