upd78f0103hmca1-5a4-a Renesas Electronics Corporation., upd78f0103hmca1-5a4-a Datasheet - Page 91

• Manufacturer Part Number: upd78f0103hmca1-5a4-a
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

CHAPTER 5 CLOCK GENERATOR
Figure 5-9. Examples of Incorrect Resonator Connection
(a) Too long wiring
(b) Crossed signal line
PORT
V
X1
X2
V
X1
X2
SS
SS
(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
91
User’s Manual U16846EJ3V0UD