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| USB2250 Datasheet, PDF (33/43 Pages) SMSC Corporation – Ultra Fast USB 2.0 Multi-Format Flash Media Controller | |||
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USB2250/50i/51/51i
8.2 Ceramic Resonator
24 MHz ï± 350 ppm
FIGURE 8-3:
CERAMIC RESONATOR USAGE WITH MICROCHIP IC
XTAL1
24 MHz
Ceramic
1M
Resonator
XTAL2
8.3 External Clock
50% Duty cycle ï± 10%, 24/48 MHz ï± 350 ppm, Jitter < 100 ps rms.
The external clock is recommended to conform to the signaling level designated in the JESD76-2 specification on 1.8
V CMOS Logic. XTAL2 should be treated as a no connect.
DS00002005A-page 33
ï£ 2009 - 2015 Microchip Technology Inc.
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