NEC 78K0/KB1+ Preliminary User's Manual page 94

(a) Too long wiring
V
SS
(c) Wiring near high fluctuating current
V
SS
(e) Signal is fetched
V
SS
94
CHAPTER 5 CLOCK GENERATOR
Figure 5-12. Example of Incorrect Resonator Connection
CL1 CL2
CL1 CL2
High current
CL1 CL2
Preliminary User's Manual U16846EJ1V0UD
(b) Crossed signal line
V
SS
(d) Current flowing through ground line of oscillator
(potential at points A and B fluctuates)
V CL1
SS
A B
High current
PORT
CL1 CL2
PORT
CL2
V
DD