MSP30X11X2 Datasheet, PDF (33/49 Pages) Texas Instruments – MIXED SINGNAL MICROCONTROLLER

MSP430x11x2, MSP430x12x2
MIXED SIGNAL MICROCONTROLLER
SLAS361C − JANUARY 2002 − REVISED DECEMBER 2003
APPLICATION INFORMATION
input/output schematic (continued)
Port P2, P2.3 to P2.4, input/output with Schmitt-trigger
a3 Selected
to ADC10, a3
Pad Logic
ADC10AE.3
P2SEL.3
P2DIR.3
P2DIR.3
P2OUT.3
Module X Out
P2IN.4
0
1
0
1
EN
0: input
1: output
Bus
Keeper
Module X In
P2IRQ.07
D
P2IE.4
EN
Q
P2IFG.4 _Set
Interrupt
Edge
Select
P2IES.x P2SEL.x
Reference Circuit
in ADC10 Module
a10 on REFON
AVCC
ON ON
Typ.
REF_x
+
1.25 V
_
a4 Selected
to ADC10, a4
ADC10AE.4
P2SEL.4
P2DIR.4
P2DIR.4
P2OUT.4
Module X Out
P2IN.4
Unused
P2IRQ.07
Pad Logic
0
1
0
1
EN
Bus
Keeper
D
P2IE.4
EN
Q
P2IFG.4 _Set
Interrupt
Edge
Select
P2IES.4 P2SEL.4
0: input
1: output
P2.3/
TA1/
A3/
VREF− /V _eREF−
AVCC
REF+OUT
AVSS
0
0,4
0
1
1,5
2_5 V
SREF
ADC10
CTL0.12..14)
VR +
VR −
SREF.2
ADC10
CTL0.14)
P2.4/
TA2/
A4/
VREF+ _/
V _eREF+
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