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Integration guide (Dido)

1,024 bytes added, 08:10, 18 July 2014
m
PCI Express
=== PCI Express ===
 
{| class="wikitable" border="1"
| align="center" style="background:#f0f0f0;"|'''Routed length for PCI Express Differential Pairs'''
| align="center" style="background:#f0f0f0;"|'''Min'''
| align="center" style="background:#f0f0f0;"|'''Typ'''
| align="center" style="background:#f0f0f0;"|'''Max'''
|-
| Differential Impedance [Ohm]||-||101||-
|-
| Common Mode Impedance [Ohm]||-||57||-
|-
| Intra pair matching [mils]*||-||-||5
|-
| Max Length [in]||-||-||<5,5
|-
| Stub||-||-||0
|-
| Vias on module TX||-||-||3
|-
| Vias on module RX||-||-||6
|}
 
* * See detailed trace lengths shown in the following table. These numbers are required to compute overall (SoM + carrier board) lengths.
{| class="wikitable" border="1"
| align="center" style="background:#f0f0f0;"|'''Dido pin name'''
| align="center" style="background:#f0f0f0;"|'''Individual trace length [mils]'''
|-
| PCIE_TXP||align="center" |5234,14
|-
| PCIE_TXN||align="center" |5234,14
|-
| PCIE_RXP||align="center" |5174,11
|-
| PCIE_RXN||align="center" |5169,96
|}

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