Chapter 4 clock generator – NEC PD78214 User Manual
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Chapter 4 Clock Generator
4
Fig. 4-4 Notes on Connection of the Oscillator
X2
PD78214
µ
X1
V
SS
Cautions 1. Place the oscillator as close as possible to pins X1 and X2.
2. Do not let other signal lines cross the circuit enclosed in a dashed line.
Fig. 4-5 Incorrect Oscillator Connections
(a) The wiring length of the external circuit is too long.
(b) A signal line is allowed to cross the oscillator.
X2
PD78214
µ
X1
V
SS
X2
PD78214
µ
X1
V
SS
Pnm