MSP430F643 Datasheet, PDF (93/106 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F643x
www.ti.com
SLAS720B – AUGUST 2010 – REVISED AUGUST 2012
Table 61. Port P7 (P7.4 to P7.7) Pin Functions
PIN NAME (P7.x)
x
FUNCTION
P7DIR.x
CONTROL BITS/SIGNALS⁽¹⁾
P7SEL.x CBPD.x DAC12OPS
DAC12AMPx
P7.4/CB8/A12
4 P7.4 (I/O)
I: 0; O: 1
0
0
n/a
n/a
Comparator_B input CB8
X
X
1
n/a
n/a
A12 ^{(2) (3)}
X
1
X
n/a
n/a
P7.5/CB9/A13
5 P7.5 (I/O)
I: 0; O: 1
0
0
n/a
n/a
Comparator_B input CB9
X
X
1
n/a
n/a
A13 ^{(2) (3)}
X
1
X
n/a
n/a
P7.6/CB10/A14/DAC0 6 P7.6 (I/O)
I: 0; O: 1
0
0
X
0
Comparator_B input CB10
X
X
1
X
0
A14 ^{(2) (3)}
X
1
X
X
0
DAC12_A output DAC0
X
X
X
1
>1
P7.7/CB11/A15/DAC1 7 P7.7 (I/O)
I: 0; O: 1
0
0
X
0
Comparator_B input CB11
X
X
1
X
0
A15 ^{(2) (3)}
X
1
X
X
0
DAC12_A output DAC1
X
X
X
1
>1
(1) X = Don't care
(2) Setting the P7SEL.x bit disables the output driver as well as the input Schmitt trigger to prevent parasitic cross currents when applying
analog signals.
(3) The ADC12_A channel Ax is connected internally to AV_SS if not selected via the respective INCHx bits.
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