UPD78F9418AGK-9EU Renesas Electronics America, UPD78F9418AGK-9EU Datasheet - Page 98

• Manufacturer Part Number: UPD78F9418AGK-9EU
• Manufacturer: Renesas Electronics America

Specifications of UPD78F9418AGK-9EU

• Lead Free Status / Rohs Status: Supplier Unconfirmed

5.4.3 Examples of incorrect resonator connection
96
Figure 5-7 shows examples of incorrect resonator connection.
Remark
(c) Wiring near high fluctuating current
When using the subsystem clock, read X1 and X2 as XT1 and XT2, respectively, and connect resistors
to the XT2 side in series.
V
V
V
V
(a) Too long wiring
SS0
SS1
SS0
SS1
,
,
Figure 5-7. Examples of Incorrect Resonator Connection (1/2)
X1
X1
X2
X2
CHAPTER 5 CLOCK GENERATOR
High current
User’s Manual U13952EJ3V1UD
(d) Current flowing through ground line of oscillator
V
V
(potential at points A, B, and C fluctuates)
SS0
SS1
A
,
X1
High current
B
(b) Crossed signal line
V
V
SS0
SS1
X2
,
C
(n = 0, 2, 4, 5, 6, 8, 9)
Pmn
X1
PORTn
X2
V
DD0
, V
DD1