MSP430F2274-EP_11 Datasheet, PDF (53/80 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F2274-EP
www.ti.com
SLAS614D – SEPTEMBER 2008 – REVISED MAY 2011
Port P2 Pin Schematic: P2.0, P2.2, Input/Output With Schmitt Trigger
To ADC 10
INCHx = y
ADC10AE0.y
Pad Logic
P2REN.x
P2DIR.x
0
1
P2OUT.x
Module X OUT
P2SEL.x
P2IN.x
Module X IN
0
1
EN
D
Direction
0: Input
1: Output
DVSS 0
DVCC 1
1
Bus
Keeper
EN
P2.0/ACLK/A0/OA0I0
P2.2/TA0/A2/OA0I1
P2IRQ.x
P2IE.x
P2IFG.x
EN
Q
Set
P2SEL.x
P2IES.x
Interrupt
Edge
Select
+
OA0
−
Port P2 (P2.0, P2.2) Pin Functions
Pin Name (P2.X)
X
P2.0/ACLK/A0/OA0I0
0
P2.2/TA0/A2/OA0I1
2
Y
FUNCTION ⁽¹⁾
P2.0⁽³⁾ (I/O)
0 ACLK
A0/OA0I0 ⁽⁴⁾
P2.2⁽³⁾ (I/O)
Timer_A3.CCI0B
2
Timer_A3.TA0
A2/OA0I1 ⁽⁴⁾
CONTROL BITS/SIGNALS⁽²⁾
P2DIR.x
P2SEL.x
ADC10AE0.y
I: 0; O: 1
0
0
1
1
0
X
X
1
I: 0; O: 1
0
0
0
1
0
1
1
0
X
X
1
(1) N/A: Not available or not applicable
(2) X: Don't care
(3) Default after reset (PUC/POR)
(4) 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.
Copyright © 2008–2011, Texas Instruments Incorporated
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