參數(shù)資料
型號: C166
廠商: SIEMENS AG
元件分類: 8位微控制器
英文描述: 8-Bit Microcontroller(8位微控制器)
中文描述: 8位微控制器(8位微控制器)
文件頁數(shù): 35/45頁
文件大?。?/td> 654K
代理商: C166
35 of 45
AP242005 07.99
Crystal Oscillators of the
C500 / C166 Microcontroller Family
12.2.2 C166 Family:
Type_R
and
Type_RE
Oscillator-Inverter
3rd Overtone Mode
The table below contains the recommendations for the external circuitry using Type_R or Type_RE
oscillator-inverters in 3rd overtone mode. The quartz crystal data are included which are necessary
for the calculation of the drive level (P
W
) and Safety Factor (SF). The quartz crystal data are related
to the quartz crystals of appendix Quartz Crystals. The measured value of R
Qmax
and the calculated
values of P
W
and SF are based on these quartz crystals and the formulas presented in this ApNote.
Table 15
Recommendations for external circuitry used with
Type_R
or
Type_RE
Oscillator-Inverters
in 3rd Overtone Mode
3rd Overtone Mode:
Type_R or Type_RE Oscillator-Inverters
External Circuits
Quartz Crystal Data
40
R
X
[
]
C
X
[
C
X
[
C
X
[
L
X
[
μ
C
L
C
0
R
1
]
R
1
[
]
R
1
(
]
P
W
[
(
1
)
R
Q
]
S
100
5,6
10
10
4,7
7
5
12
35
40
700
560
4,76
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