Xilinx RocketIO X User Manual page 87

Clock Domain Architecture
Table 3-3: Supported Standards, Speeds, Bus Widths, and Frequencies for Reference Clocks (Continued)
Supported
Mode Serial
Standard
Number Speed
(1)
23_40 XAUI 3.1875
Fibre
Channel
24_10 XAUI 3.125
24_20 XAUI 3.125
24_40 XAUI 3.125
25_10 XAUI 3.125
25_20 XAUI 3.125
25_40 XAUI 3.125
26_10 XAUI 3.125
26_20 XAUI 3.125
26_40 XAUI 3.125
27_10 PCI
Express/
Infiniban
d
27_20
PCI
Express/
Infiniban
d
27_40
PCI
Express/
Infiniban
d
28_10 PCI
Express/
Infiniban
d
28_20
PCI
Express/
Infiniban
d
RocketIO™ X Transceiver User Guide
UG035 (v1.5) November 22, 2004
REFCLK
or
TXOUTCLK
BREFCLK (MHz)
(MHz)
159.375 159.375
312.5 312.5
312.5 156.25
312.5 156.25
156.25 312.5
156.25 156.25
156.25 156.25
78.125 312.5
78.125 156.25
78.125 156.25
2.5 250 250
2.5 250 125
2.5 250 125
2.5 125 250
2.5 125 125
USRCLK USRCLK2
RXRECCLK
(MHz) (MHz)
159.375 159.38
312.5 156.25
156.25 156.25
156.25 156.25
312.5 156.25
156.25 156.25
156.25 156.25
312.5 156.25
156.25 156.25
156.25 156.25
250 125
125 125
125 125
250 125
125 125
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1-800-255-7778
(2)
Internal External
BUSWIDTH BUSWIDTH
(MHz)
(bits) (bits)
79.6875 20 40/32
312.5 20 10/8
156.25 20 20/16
78.125 20 40/32
312.5 20 10/8
156.25 20 20/16
78.125 20 40/32
312.5 20 10/8
156.25 20 20/16
78.125 20 40/32
250 20 10/8
125 20 20/16
62.5 20 40/32
250 20 10/8
125 20 20/16
R
(2)
Encoding
(3)
None/
8B/10B
None/
8B/10B
None/
8B/10B
None/
8B/10B
None/
8B/10B
None/
8B/10B
None/
8B/10B
None/
8B/10B
None/
8B/10B
None/
8B/10B
None/
8B/10B
None/8B
/10B
None/
8B/10B
None/
8B/10B
None/
8B/10B
87