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參數資料
| 型號： | FIC03272 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Microprocessor for handling signals from the TGS4161 carbon dioxide sensor |
| 中文描述： | 微處理器處理的TGS4161二氧化碳傳感器信號 |
| 文件頁數： | 10/14頁 |
| 文件大小： | 366K |
| 代理商： | FIC03272 |
Revised 06/04
10
TECHNICAL INFORMATION FOR FIC03272
5-6
Circuit for manual benchmark reset
A circuit designed to allow for manual benchmark
reset is shown in Figure 9.
5-7
Circuit for clock signal generator
When a ceramic oscillator is connected with the
clock in and out ports, Xin and Xout (Pins No. 2
and 1 respectively), a clock signal is activated in
FIC03272 by a built-in clock signal generator. A
sample circuit for connecting such an oscillator is
shown in Figure 10. Murata Electronics model
CST4.19MGW is a well-matched ceramic oscillator
for FIC03272. Before using a different oscillator,
please consult with Figaro or the oscillator
manufacturer.
5-8
Circuit for damper control signal threshold
A recommended circuit design for setting the damper
control signal threshold can be seen in Figure 11.
5-9
Sample circuit of damper control with TGS4161 and
FIC03272
A sample application circuit for damper control when
using a TGS4161 CO
2
sensor and a FIC03272
microprocessor is shown in Figure 12. Please refer to
T
echnical Information for AM-4-4161
for details.
KEO
FIC03272
10k
27
+4.4V
FIC03272
1
X
IN
X
OUT
2
CST4. 19MGW
9
103
JP
1k
4. 3k
10k
24k
100k
10k
+3. 8V
JP
JP
JP
AIN2
FIC03272
Figure 9 - Manual benchmark reset circuit
Figure 10 - Clock signal generator circuit
Figure 11 - Damper control signal threshold circuit
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