CT-161-CD Fujitsu Semiconductor America Inc, CT-161-CD Datasheet - Page 90
CT-161-CD
Manufacturer Part Number
CT-161-CD
Description
KIT 16LX FOR MB90F387
Manufacturer
Fujitsu Semiconductor America Inc
Series
F²MC-16LXr
Type
MCUr
Specifications of CT-161-CD
Contents
Board, Cable, CD
For Use With/related Products
MB90F387S
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
865-1103
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CT-161-CD
Manufacturer:
Fujitsu Semiconductor America
Quantity:
135
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shows the peripheral circuit diagram of the "temperature sensor" on the Starter Kit board. In this
circuit, when the resistance of the "temperature sensor" changes, the input voltage of the A/D
converter of the microcomputer also changes. Suppose the resistance of the "temperature sensor" is
R
formula. (The necessary knowledge to calculate it is only Ohm's law.)
TH
. Then, the input voltage of the A/D converter V
Figure 8-2 Peripheral circuit diagram of "temperature sensor" (image)
Table 8.3
voltage summarizes the relationship between the measured temperature from 5 to 50
[Input voltage of the A/D converter]
Because R=10[k Ω ] and Vcc = 5.0[V],
the input voltage to the A/D converter V
formula.
According to the Ohm's law, the current in the circuit I is as shown below:
Therefore, V
Figure 8-2 Peripheral circuit diagram of "temperature sensor" (image)
Relationship between the measured temperature of Starter Kit and A/D input
Microcomput
I
V
V
=
AN
AN
AN1
R
1
1
=
=
V
+
AD
AD
is
CC
R
10000
R
er
TH
TH
5.0
×
×
I
+
R
=
TH
R
R
TH
R
TH
-
+
84
×
R
Pin AN1
-
V
TH
CC
AN1
AN1
[V] can be obtained by using the following
GND
can be calculated by using the following
Vcc
GND
V
Starter Kit board
AN1
R=10[k Ω ]
Temperature
sensor
R=10 k Ω
GND
R
TH
Vcc=5.0[V]
I
© Fujitsu
o
C and
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