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MSP430F2121IPWR.B Datasheet(PDF) 38 Page - Texas Instruments

Part # MSP430F2121IPWR.B
Description  MIXED SIGNAL MICROCONTROLLER
PDF  68 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

MSP430F2121IPWR.B Datasheet(HTML) 38 Page - Texas Instruments

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MSP430F21x1
SLAS439F
– SEPTEMBER 2004 – REVISED AUGUST 2011
www.ti.com
Table 20. Port P2 (P2.0 to P2.5) Pin Functions
CONTROL BITS / SIGNALS(1)
PIN NAME (P2.x)
x
FUNCTION
P2DIR.x
P2SEL.x
CAPD.x
P2.0(2) (I/O)
I: 0; O: 1
0
0
P2.0/ACLK/CA2
0
ACLK
1
1
0
CA2(3)
X
X
1
P2.1(2) (I/O)
I: 0; O: 1
0
0
Timer_A3.INCLK
0
1
0
P2.1/INCLK/CA3
1
DVSS
1
1
0
CA3(3)
X
X
1
P2.2(2) (I/O)
I: 0; O: 1
0
0
Timer_A3.CCI0B
0
1
0
P2.2/CAOUT/TA0/CA4
2
CAOUT
1
1
0
CA4(3)
X
X
1
P2.3(2) (I/O)
I: 0; O: 1
0
0
P2.3/TA1/CA0
3
Timer_A3.TA1
1
1
0
CA0(3)
X
X
1
P2.4(2) (I/O)
I: 0; O: 1
0
0
P2.4/TA2/CA1
4
Timer_A3.TA2
1
1
0
CA1(3)
X
X
1
P2.5(2) (I/O)
I: 0; O: 1
0
0
P2.5/CA5
5
CA5(3)
X
X
1
(1)
X = don
't care
(2)
Default after reset (PUC/POR)
(3)
Setting theCAPD.x bit disables the output driver as well as the input Schmitt trigger to prevent parasitic cross currentswhen applying
analog signals. Selecting the CAx input pin to the comparator multiplexer with the P2CAx bits automatically disables the input buffer for
that pin, regardless of the state of the associated CAPD.x bit.
38
Copyright
© 2004–2011, Texas Instruments Incorporated



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