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HYUNDAI MicroElectronics GMS90X5XC Series
42 Jan. 2001 Ver 1.0
OSCILLATOR CIRCUIT
Figure 12. Recommended Oscillator Circuits
Oscillation circuit is designed to be used either with a ceramic resonator or crystal oscillator. Since each crystal
and ceramic resonator have their own characteristics, the user should consult the crystal manufacturer for ap-
propriate values of external components.
XTAL2
P-LCC-44/Pin 20
P-DIP-40/Pin 18
M-QFP-44/Pin 14
XTAL1
P-LCC-44/Pin 21
P-DIP-40/Pin 19
M-QFP-44/Pin 15
CRYSTAL OSCILLATOR MODE DRIVING FROM EXTERNAL SOURCE
XTAL2
P-LCC-44/Pin 20
P-DIP-40/Pin 18
M-QFP-44/Pin 14
XTAL1
P-LCC-44/Pin 21
P-DIP-40/Pin 19
M-QFP-44/Pin 15
External Oscillator
Signal
N.C.
C2
C1
C1, C2 = 30pF
±
10pF for Crystals
For Ceramic Resonators, contact resonator manufacturer.