Meas) – Texas Instruments MSP430x1xx User Manual
Page 280
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Comparator_A in Applications
14-14
In Figure 14–10, the active signal paths are shown when the upper indepen-
dent system is selected for conversion. This example uses the 0.25
×
V
CC
inter-
nal reference, and shows the software selectable RC-filter as active.
Figure 14–10. Temperature Measurement Via Temperature Sensor R1
(meas)
_
+
0
1
CAF
Set
CAIFG
τ
∼
2
µ
s
0
1
0
1
0
1
0
1
CA0
CA1
0
1
V
CC
V
CC
R1
(ref)
R1
(meas)
P2CA0
P2CA1
VCAREF
CARSEL
0
2
1
3
3 2 1 0
CAREF
0.5
×
V
CC
0.25
×
V
CC
V
CC
V
CC
R2
(ref)
R2
(meas)
C1
C2
1
0
CAEX
CAON
VCC
0 V
1
0
CAON
VCC
0 V
1
0
e.g.
Capture
Input of
Timer_A
CAOUT to
External Pin
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