Datasheet

Bus
Keeper
EN
Direction
0: Input
1: Output
P2SEL.x
1
0
P2DIR.x
P2IN.x
P2IRQ.x
D
EN
Module X IN
1
0
Module X OUT
P2OUT.x
Interrupt
Edge
Select
Q
EN
Set
P2SEL.x
P2IES.x
P2IFG.x
P2IE.x
P2.0/ACLK/A0/OA0I0
P2.2/TA0/A2/OA0I1
1
0
DVSS
DVCC
P2REN.x
ADC10AE0.y
Pad Logic
INCHx = y
To ADC 10
1
OA0
+
−
MSP430F22x2
MSP430F22x4
www.ti.com SLAS504G –JULY 2006–REVISED AUGUST 2012
Port P2 Pin Schematic: P2.0, P2.2, Input/Output With Schmitt Trigger
Table 24. Port P2 (P2.0, P2.2) Pin Functions
CONTROL BITS/SIGNALS
(1)
Pin Name (P2.x) x y FUNCTION
P2DIR.x P2SEL.x ADC10AE0.y
P2.0
(2)
(I/O) I: 0; O: 1 0 0
P2.0/ACLK/A0/OA0I0 0 0 ACLK 1 1 0
A0/OA0I0
(3)
X X 1
P2.2
(2)
(I/O) I: 0; O: 1 0 0
Timer_A3.CCI0B 0 1 0
P2.2/TA0/A2/OA0I1 2 2
Timer_A3.TA0 1 1 0
A2/OA0I1
(3)
X X 1
(1) X = Don't care
(2) Default after reset (PUC/POR)
(3) Setting the ADC10AE0.y bit disables the output driver as well as the input Schmitt trigger to prevent parasitic cross currents when
applying analog signals.
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