Renesas RL78 Series User Manual page 155

RL78/G1D
(e) Wiring near high alternating current
V
SS
(g) Signals are fetched
V
SS
Caution When X2 and XT1 are wired in parallel, the crosstalk noise of X2 may increase with XT1, resulting in
malfunctioning.
Remark When using the subsystem clock, replace X1 and X2 with XT1 and XT2, respectively. Also, insert resistors
in series on the XT2 side.
R01UH0515EJ0120 Rev.1.20
Dec 16, 2016
Figure 6-13. Examples of Incorrect Resonator Connection (2/2)
X1 X2
X1 X2
CHAPTER 6 CLOCK GENERATOR
(f) Current flowing through ground line of oscillator
(potential at points A, B, and C fluctuates)
X1
V
SS
A B
High current
V
DD
Pmn
X2
C
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