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CHAPTER 5 CLOCK GENERATOR
User’s Manual U15104EJ2V0UD
Figure 5-5 shows examples of incorrectly connected resonators.
Figure 5-5. Examples of Incorrect Resonator Connection (1/2)
(a) Wiring of connection
(b) Signal lines cross
circuits is too long
each other
(c) High fluctuating current is near a
(d) Current flows through the ground line
signal lines
of the oscillator (potential at points A, B,
and C fluctuate)
X2
IC
X1
X2
IC
X1
PORTn
(n = 0, 1, 3 to 7, 12, 13)
X2
IC
X1
X2
IC
X1
PORTn
(n = 0, 1, 3 to 7, 12, 13)
V
DD
A
B
C
High
current
High
current
Содержание mPD178053
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