CS8900A-IQ3R Cirrus Logic Inc, CS8900A-IQ3R Datasheet - Page 40

• Manufacturer Part Number: CS8900A-IQ3R
• Description: Ethernet ICs IC 10Mbps Ethernet Controller 3.3V
• Manufacturer: Cirrus Logic Inc

Specifications of CS8900A-IQ3R

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

3.13 External Clock Oscillator
A 20-MHz quartz crystal or CMOS clock input
is required by the CS8900A. If a CMOS clock
input is used, it should be connected the to
XTAL1 pin, with the XTAL2 pin left open. The
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CIRRUS LOGIC PRODUCT DATASHEET
clock signal should be 20 MHz ±0.01% with a
duty cycle between 40% and 60%. The speci-
fications for the crystal are described in
Section 7.7 on page 122.
Crystal LAN™ Ethernet Controller
CS8900A
DS271F5