IBM uPD78082 User Manual
Page 97
74
CHAPTER 5 CLOCK GENERATOR
Figure 5-6. Examples of Oscillator with Bad Connection (1/2)
(a) Wiring of connection circuits
(b) Signal conductors intersect
is too long
with each other
(c) Changing high current is too near a
(d) Current flows through the grounding line
signal conductor
of the ocsillator (potential at points A, B,
and C fluctuate)
IC
X2
X1
X2
X1
PORTn
(n = 0, 1, 3, 5, 7, 10)
IC
IC
X2
X1
High
Current
IC
X2
A
B
C
Pnm
V
DD
High
Current
X1
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