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Figure 5-12. Examples of Incorrect Resonator Connection (2/2)
(c) Wiring near high alternating current
V
SS
(e) Signals are fetched
V
SS
Remark When using the subsystem clock, replace X1 and X2 with XT1 and XT2, respectively. Also, insert
resistors in series on the XT2 side.
Caution When X2 and XT1 are wired in parallel, the crosstalk noise of X2 may increase with XT1, resulting
in malfunctioning.
158
CHAPTER 5 CLOCK GENERATOR
X1
X2
X1
X2
User's Manual U17854EJ9V0UD
(d) Current flowing through ground line of oscillator
(potential at points A, B, and C fluctuates)
Pmn
V
X1
X2
SS
A
B
High current
V
DD
C
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