Recommended speed grades, Recommended speed grades –7 – Altera Arria V Hard IP for PCI Express User Manual
Page 15

Chapter 1: Datasheet
1–7
Recommended Speed Grades
December 2013
Altera Corporation
Arria V Hard IP for PCI Express
User Guide
Soft calibration of the transceiver module requires additional logic. The amount of
logic required depends upon the configuration.
Recommended Speed Grades
lists the recommended speed grades for the supported link widths and
Application Layer clock frequencies. The speed grades listed are the only speed
grades that close timing. Altera recommends setting the Quartus II Analysis &
Synthesis Settings Optimization Technique to Speed.
h
For information about optimizing synthesis, refer
and Synthesis
in Quartus II Help.
For more information about how to effect the Optimization Technique settings, refer
to
f
For details on installation, refer to the
.
Avalon-MM Interface–Completer Only
64
160
0
230
Table 1–5. Performance and Resource Utilization (Part 2 of 2)
ALMs
Memory M10K
Logic Registers
Table 1–6. Device Family Link Width Application Frequency Recommended Speed Grades
Link Speed
Link Width
Application
Clock
Frequency (MHz)
Recommended
Speed Grades
Gen1–2.5 Gbps
×1
62.5
×1
125
–4, –5, –6
×2
125
–4, –5, –6
×4
125
–4, –5, –6
×8
125
–4, –5, –6
Gen2–5.0 Gbps
×1
62.5
–5,
×1
125
×2
125
–4, –5,
×4
125
Notes to
(1) This is a power-saving mode of operation.
(2) Final results pending characterization by Altera. Refer to the fit.rpt file generated by the Quartus II software.