Datasheet

78K0/Kx2-L CHAPTER 5 CLOCK GENERATOR
R01UH0028EJ0400 Rev.4.00 215
Sep 27, 2010
Figure 5-15. Examples of Incorrect Resonator Connection (1/2)
(a) Too long wiring (b) Crossed signal line
X2V SS X1 X1V SS X2
PORT
(c) Wiring near high alternating current (d) Current flowing through ground line of oscillator
(potential at points A, B, and C fluctuates)
V SS X1 X2
V
SS X1 X2
AB C
Pmn
V
DD
High current
High current
Remark When using the subsystem clock, replace X1 and X2 with XT1 and XT2, respectively. Also, insert resistors
in series on the XT2 side.