Examples Of Oscillator With Bad Connection (1/2) - NEC PD78081(A) User Manual

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