C505L
Figure 7 and Figure 8 show the recommended oscillator circiutries for crystal and external clock
operations, respectively, for the system or main clock.
To internal
timing circuitry
XTAL2
XTAL1 CC55055L
*)
C1
C2
*) Crystal or ceramic resonator
MCS03293
Figure 7
Recommended Oscillator Circuitries (for XTAL1-XTAL2)
C505L
N.C.
VDD
XTAL2
External
Clock
Signal
XTAL1
MCS04037
Figure 8
Recommended Oscillator Circuitries for Real-Time Clock (XTAL3-XTAL4)
Data Sheet
17
06.99