MSP430X22X2 Datasheet, PDF (63/87 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430x22x2, MSP430x22x4
MIXED SIGNAL MICROCONTROLLER
SLAS504B − JULY 2006 − REVISED JULY 2007
Port P2 (P2.1) pin functions
PIN NAME (P2.X) X Y
FUNCTION
CONTROL BITS / SIGNALS
P2DIR.x
P2SEL.x ADC10AE0.y
P2.1/TAINCLK/SMCLK 1 1 P2.1† (I/O)
/A1/OA0O
Timer_A3.INCLK
I: 0; O: 1
0
0
0
1
0
SMCLK
1
1
0
A1/OA0O (see Note 3)
X
X
1
† _{Default after reset (PUC/POR)}
NOTES: 1. N/A: Not available or not applicable
2. X: Don’t care
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.
Port P2 (P2.3) pin functions
PIN NAME (P2.X) X Y
FUNCTION
CONTROL BITS / SIGNALS
P2DIR.x
P2SEL.x ADC10AE0.y
P2.3/TA1/
A3/V_REF−/V_eREF−/
OA1I1/OA1O
3 3 P2.3† (I/O)
Timer_A3.CCI1B
Timer_A3.TA1
I: 0; O: 1
0
0
0
1
0
1
1
0
A3/V_REF−/V_eREF−/OA1I1/OA1O (see Note 3)
X
X
1
† _{Default after reset (PUC/POR)}
NOTES: 1. N/A: Not available or not applicable
2. X: Don’t care
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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