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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