Intel® Arria® 10 and Intel® Cyclone® 10 GX Avalon® Memory-Mapped (Avalon-MM) Interface for PCI Express* User Guide

ID 683724
Date 11/29/2023
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1.9. Recommended Speed Grades

Table 7.   Intel® Cyclone® 10 GX Recommended Speed Grades for All Avalon-MM Widths and Frequencies Intel® Cyclone® 10 GX devices support only the Gen2 x4, 128-bit configuration in Avalon-MM mode.

Lane Rate

Link Width

Interface Width

Application Clock Frequency (MHz)

Recommended Speed Grades

Gen1

×1

64 bits

62.5, 125

–5, –6

x2

64 bits

125

–5, –6

x4

64 bits

125

–5, –6

Gen2

×1

64 bits

125

–5, –6

x2

64 bits

125

–5, –6

x4

64 bits

250

-5

×4

128 bits

125

–5, –6

Table 8.   Intel® Arria® 10 Recommended Speed Grades for All Avalon-MM Widths and Frequencies

Lane Rate

Link Width

Interface Width

Application Clock Frequency (MHz)

Recommended Speed Grades

Gen1

×8

64 Bits

250

–1, –2

×8

128 Bits

125

–1, –2, –3

×1, x2, x4

64 Bits

125

–1, –2, –3

×1

64 Bits

62.5

–1, –2, –3

Gen2

×8

128 bits

250

–1, –2

×8

256 bits

125

–1, –2, -3

×4

64 bits

250

–1, –2

×4

128 bits

125

–1, –2, –3

×1, x2

64 bits

125

–1, –2, –3

Gen3

×4

128 bits

250

–1, –2

×2

64 bits

250

–1, –2

×2

128 bits

125

–1, –2, –3

×1

64 bits

125

–1, –2, –3