Altera UG-01080 Guide de l'utilisateur Page 374

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Example 12-5: Overriding Logical Channel 0 Channel Assignment Restrictions in Stratix V
Device for ×6 or ×N Bonding
If you are using ×6 or ×N bonding, transceiver dynamic reconfiguration requires that you assign
the starting channel number. Logical channel 0 should be assigned to either physical transceiver
channel 1 or channel 4 of a transceiver bank. However, if you have already created a PCB with a
different lane assignment for logical lane 0, you can use the workaound shown in the following
example to remove this restriction. The following example redefines the pma_bonding_master
parameter using the Quartus II Assignment Editor. In this example, the pma_bonding_master
was originally assigned to physical channel 1. (The original assignment could also have been to
physical channel 4.) The to parameter reassigns the pma_bonding_master to the Deterministic
Latency PHY instance name. You must substitute the instance name from your design for the
instance name shown in quotation marks
set_parameter -name pma_bonding_master "\"1\"" -to "<PHY IP instance name>"
Simulation Support
The Quartus II release provides simulation and compilation support for the Stratix V Native PHY IP
Core. Refer to Running a Simulation Testbench for a description of the directories and files that the
Quartus II software creates automatically when you generate your Stratix V Transceiver Native PHY IP
Core.
Slew Rate Settings
The following transceiver slew rate settings are allowed in Quartus II software. These settings are
applicable for Stratix V and Arria V GZ devices.
Protocol / Datarate Allowed Quartus II
Settings
IBIS-AMI Setting
PCI Express Gen3, Gen2, CEI 4 *_30ps
PCI Express Gen1, XAUI 3 *_50ps
Gigabit Ethernet 1 *_160ps
=<1 Gbps 1,2,3 *_160ps, *_90ps, *_50ps
1 Gbps - 3 Gbps 2,3 *_90ps, *_50ps
>3 Gbps - 6 Gbps 3,4 *_50ps, *_30ps
>6 Gbps 4,5 *_30ps, *_15ps
Assigning an invalid slew rate will result in an error message similar to the one below:
Error (15001): Assignment XCVR_TX_SLEW_RATE_CTRL of value "4" conflicts with the valid
parameter values for pm_tx_slew_rate_ctrl
12-76
Simulation Support
UG-01080
2015.01.19
Altera Corporation
Stratix V Transceiver Native PHY IP Core
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