Marvell ARMADA 16x Applications Processor Family
Marvell ARMADA 16x Applications Processor Family
Marvell ARMADA 16x Applications Processor Family
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<strong>Marvell</strong> ® <strong>ARMADA</strong> <strong>16x</strong> <strong>Applications</strong> <strong>Processor</strong> <strong>Family</strong> Hardware Manual<br />
Figure 7:<br />
Recommended GND Shielding to xtal_in and xtal_out<br />
Table 11:<br />
Typical 26.000 MHz Crystal Requirements<br />
Parameter Minimum Typical Maximum Units<br />
Frequency range 25.997 26.000 26.002 MHz<br />
Frequency tolerance at 25°C –50 — +50 ppm<br />
Oscillation mode Fundamental Parallel Resonant —<br />
Maximum change over temperature range –50 — +50 ppm<br />
Drive level — 10 100 uW<br />
Load capacitance (C L ) — 10 — pf<br />
Series resistance (R S ) — 50 — Ω<br />
NOTE:<br />
Table 12:<br />
Typical External 26.000 MHz Oscillator Requirements<br />
Symbol Description Min Typical Max Units<br />
Amplifier Specifications<br />
VIH_X Input high voltage, PXTAL_IN 1.7 1.8 1.9 V<br />
VIL_X Input low voltage, PXTAL_IN –0.10 0.00 0.10 V<br />
IIN_XP Input leakage, PXTAL_IN — — 10 μA<br />
CIN_XP Input capacitance, PXTAL_IN/PXTAL_OUT — 20 25 pf<br />
tS_XP Stabilization time — — 7 ms<br />
SR_XP Slew Rate 1 — — V/ns<br />
Doc. No. MV-S301545-00 Rev. - Copyright © 2010 <strong>Marvell</strong><br />
Page 38<br />
November 2010 PUBLIC RELEASE
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