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Intel EP80579 Guide

Intel EP80579
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Intel
ยฎ
EP80579 Integrated Processor Product Lineโ€”Layout Checklist
Intel
ยฎ
EP80579 Integrated Processor Product Line
Platform Design Guide May 2010
280 Order Number: 320068-005US
EX_DATA[15:0]
Zo = 50
ฮฉ +/- 10%
Trace Width:
Brakeout Trace Width 4 mils
Microstrip: 5.5 mils
Stripline: 4.5 mils (L3/L8)
Airgap Spacing:
Brakeout spacing Min=4mils
Microstrip: 12 mils
Stripline: 10 mils
Breakout: Max = 1 in.
Breakin: Max = 1 in.
Length:
LDC_Total = LCS_Total
+/-500mils, Not to
exceed 16 inch at 33 MHz
See Section 22.3.4, โ€œData and
Control Star Topologyโ€.
EX_RD#
EX_WR#
EX_BE[1:0]#
EX_RDY[3:0]#
EX_PARITY[1:0]
Zo = 50
ฮฉ +/- 10%
Trace Width:
Brakeout Trace Width 4 mils
Microstrip: 5.5 mils
Stripline: 4.5 mils (L3/L8)
Airgap Spacing:
Brakeout spacing Min=4mils
Microstrip: 12 mils
Stripline: 10 mils
Breakout: Max = 1 in.
Breakin: Max = 1 in.
Length:
LDC_Total = LCS_Total
+/-500mils, Not to
exceed 16 inch at 33 MHz
See Section 22.3.4, โ€œData and
Control Star Topologyโ€.
EX_ALE
EX_BURST
EX_IOWAIT#
Zo = 50
ฮฉ +/- 10%
Trace Width:
Brakeout Trace Width 4 mils
Microstrip: 5.5 mils
Stripline: 4.5 mils (L3/L8)
Airgap Spacing:
Brakeout spacing Min=4mils
Microstrip: 12 mils
Stripline: 10 mils
Breakout: Max = 1 in.
Breakin: Max = 1 in.
Length:
Not to exceed 16 inch at
33 MHz
See Section 22.3.4, โ€œData and
Control Star Topologyโ€.
EX_RCOMPP Zo = 50
ฮฉ +/- 10%
Routing Length LT:
Max = 0.5 in.
Place the RCOMPP
(compensation resistor) as close
as possible to EP80579
.
EX_RCOMPN Zo = 50 ฮฉ +/- 10%
Routing Length LT:
Max = 0.5 in.
Place the RCOMPN
(compensation resistor) as close
as possible to EP80579
.
Synchronous Serial Port (SSP) Interface
SSP_SCLK Zo = 50
ฮฉ +/- 10%
SSP_SFRM Zo = 50
ฮฉ +/- 10%
SSP_TXD Zo = 50 ฮฉ +/- 10%
SSP_RXD Zo = 50
ฮฉ +/- 10%
SSP_EXTCLK Zo = 50
ฮฉ +/- 10%
IEEE 1588 Hardware-Assist Interface
TS_TESTMODE_DAT
A
Zo = 50
ฮฉ +/- 10%
TS_PPS Zo = 50
ฮฉ +/- 10%
ASMSSIG Zo = 50 ฮฉ +/- 10%
AMMSSIG Zo = 50
ฮฉ +/- 10%
TSYNC_RX_SNAP Zo = 50
ฮฉ +/- 10%
Table 97. Layout Checklist (Sheet 12 of 13)
Signal Name
Trace Geometry and
Impedance
Length Requirements Comments

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Intel EP80579 Specifications

General IconGeneral
BrandIntel
ModelEP80579
CategoryComputer Hardware
LanguageEnglish

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