upd78f0134hgka1-9et-a Renesas Electronics Corporation., upd78f0134hgka1-9et-a Datasheet - Page 121

• Manufacturer Part Number: upd78f0134hgka1-9et-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

CHAPTER 5 CLOCK GENERATOR
Figure 5-10. Examples of Incorrect Resonator Connection (2/2)
(c) Wiring near high alternating current
(d) Current flowing through ground line of oscillator
(potential at points A, B, and C fluctuates)
V
DD
Pmn
V
X1
X2
SS
V
X1
X2
SS
A
B
C
High current
(e) Signals are fetched
V
X1
X2
SS
Remark When using the subsystem clock, replace X1 and X2 with XT1 and XT2, respectively. Also, insert
resistors in series on the XT2 side.
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User’s Manual U16899EJ3V0UD