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Pico Communications E-14 Computer Hardware User Manual

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E‐14HardwareReferenceManual www.picocomputing.com PicoComputing,Inc.

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12

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DDR2Memory

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ThePicoE‐14comesequippedwith256MBofPC‐266DDR2memory.Therearefour256Mbchips

eachwith16bitdatapathsthataregroupedintotwo32bitbanks.From0°Cto+95°C,theramcanrun

at266MHz.Foroperationattemperaturesbelow0°C,specialfirmwarewithreducedramtimingsis

required.Thetemperaturecompensatedself‐refreshmodemustbedisabledbelow‐20°C.

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16x16

(MSBs)

16x16

(LSBs)

FPGA

Bank 1

Bank 2

16x16

(MSBs)

16x16

(LSBs)

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Figure3

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