NEC switch Network Card User Manual


 
CHAPTER 5 CLOCK GENERATOR
Users Manual U12978EJ3V0UD
76
5.4.2 Examples of incorrect resonator connection
Figure 5-4 shows examples of incorrect resonator connection.
Figure 5-4. Examples of Incorrect Resonator Connection (1/2)
(a) Too long wiring (b) Crossed signal line
V
SS0
X1 X2
V
SS0
X1 X2
PORTn
(n = 0, 1, 2, 4)
(c) Wiring near high fluctuating current
V
SS0
X1 X2
High current
(d) Current flowing through ground line of oscillator
(potential at points A, B, and C fluctuates)
V
SS0
X1
AB C
Pmn
V
DD0
High current
X2