Reference Clock Selection

Reference Clock Selection - 8.11 English

CPRI LogiCORE IP Product Guide (PG056)

Document ID

PG056

Release Date

2022-11-16

Version

8.11 English

Table: Reference Clock Frequencies for Device Families shows the reference clock frequencies that are supported by the IP for each family of Xilinx devices.

Table 4-1: Reference Clock Frequencies for Device Families
Line Rate Support	Reference Clock Options (MHz)	Default (MHz)
Up to 3,072.0 Mb/s	122.88, 153.60	153.60
4,915.2 Mb/s on -1 speed grade devices	122.88, 245.76 (does not support 3,072.0 Mb/s), 153.60, 307.20	307.20
Up to 6,144.0 Mb/s	122.88, 153.60, 245.76, 307.20	307.20
Up to 9,830.4 Mb/s ⁽¹⁾	7 series: 122.88, 153.60, 245.76, 307.20 UltraScale: 245.76, 307.20	307.20
Up to 10,137.6 Mb/s	7 series: 307.20	307.20
	UltraScale GTHE3: 307.20	307.20
	UltraScale GTYE3/GTHE4/GTYE4: 245.76, 307.20	245.76
Up to 12,165.12 Mb/s	7 series GTXE2: 380.16 MHz for 12,165.12 Mb/s; 307.2 MHz for other line rates	380.16
	7 series GTHE2: 368.64 MHz for 12,165.12 Mb/s and 8110.08 Mb/s; 307.2 MHz for other line rates	368.64
	UltraScale GTHE3 transceivers: 368.64 MHz for 12,165.12 and 8110.08 Mb/s; 307.2 MHz for other line rates 245.76 MHz for 12,165.12 Mb/s and 8,110.08 Mb/s; 307.2 MHz for other line rates UltraScale GTYE3 and UltraScale+ GTHE4/GTYE4 transceivers: 245.76 MHz, 307.20 MHz, 368.64 MHz	245.76
Up to 24,330.24 Mb/s	UltraScale GTYE3 transceivers: 245.76 MHz, 368.64 MHz UltraScale+ GTYE4 transceivers: 245.76 MHz Versal™ ACAP GTY transceivers: 245.76 MHz	245.76
Notes: 1. For cores generated with 9.830G_and_under line rates, the 8,110.08 Mb/s line rate is not included. Use 12.165G_and under instead.