Rev. 6.00, 08/04, page 105 of 628
OSC
1
OSC
2
Frequency
Crystal
oscillator
C
1
, C
2
Recommendation
value
Products
name
C
1
C
2
R
f
R = 1 M
±
20%
f
Ω
4.0 MHz
NDK
NR-18
12 pF
±
20%
Note: Circuit constants should be determined in consultation
with the resonator manufacturer.
Figure 4.3(2) Typical Connection to Crystal Oscillator
(H8/38024S, H8/38124 Group)
Figure 4.3 shows the equivalent circuit of a crystal oscillator. An oscillator having the
characteristics given in table 4.2 should be used.
C
S
C
0
R
S
OSC
1
OSC
2
L
S
Figure 4.4 Equivalent Circuit of Crystal Oscillator
Table 4.2
Crystal Oscillator Parameters
Frequency (MHz)
4
4.193
RS max (
Ω
)
100
100
C
0
max (pF)
16
16
Содержание H8/38024 Series
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