Altera V-Series Avalon-MM DMA Bedienungsanleitung PDF herunterladen (Seite 12)

Link Rate Link Width Interface

Width

Application Clock

Frequency (MHz)

Recommended Speed Grades

Gen2

x1 64 bits

125

–1, –2, –3, –4

x2 64 bits 125 –1, –2, –3, –4

x4 64 bits 250 –1, –2, –3

x4 128 bits 125 –1, –2, –3, –4

x8 128 bits 250 –1, –2, –3

x8 256 bits 125 –1, –2, –3, –4

Gen3

x1 64 bits 125 –1, –2, –3, –4

x2 64 bits 250 –1, –2, –3, –4

x2 128 bits 125 –1, –2, –3, –4

x4 128 bits 250 –1, –2, –3

x4 256 bits 125 –1, –2, –3,–4

x8 256 bits 250 –1, –2, –3

Table 1-8: Cyclone V Recommended Speed Grades for All Link Widths, Link Widths, and Application Layer

Clock Frequencies

The Gen2 data rate requires Cyclone V GT devices.

Link Rate Link Width Interface

Width

Application Clock

Frequency (MHz)

Recommended Speed Grades

Gen1

×1 64 bits 62.5

(5)

,125 –6, –7,–8

×2 64 bits 125 –6, –7,–8

×4 64 bits 125 –6, –7,–8

Gen2

×1 64 bits

125

–7

×2 64 bits 125 –7

×4 128 bits 125 –7

(5)

This is a power-saving mode of operation

UG-01154

2014.12.18

V-Series Recommended Speed Grades

1-11

Datasheet

Altera Corporation

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