Multi-Gigabit Transceivers
The ZU48DR Zynq UltraScale+ RFSoC has 4 GTR gigabit transceivers (6 Gb/s capable) on the PS-
side and 16 GTY gigabit transceivers (28 Gb/s capable) on the PL-side. Two of four GTR
transceivers are used. All 16 GTY transceivers are used.
GTY Transceivers
The GTY transceivers in the ZU48DR are grouped into four channels or quads. The reference
clock for a quad can be sourced from the quad above or the quad below the GTY quad of
interest. The 4 GTY quads used on the ZCU208 board have the connecvity listed below. The
following table shows the MGTY assignments.
Table 21: ZCU208 ZU48DR GTY Mapping
ZCU208 ZU48DR-FSVG1517 GTY Mapping
ZU48DR-FSVG1517
8A34001 CLK1_IN - Q1_OUT ch3
GTY Quad 128 PCIe4
NO CONNECT
ch2
zSFP1 ch1
zSFP0 ch0
8A34001 Q11_OUT refclk1
8A34001 CLK5_IN refclk0
CoreHC2 1x8 Connector ch3
GTY Quad 129 CMAC
NO CONNECT
ch2
zSFP3 ch1
zSFP2 ch0
8A34001 Q7_OUT refclk1
8A34001 CLK6_IN refclk0
FMC DP3 ch3
GTY Quad 130 ILKN
FMC DP2
ch2
FMC DP1 ch1
FMC DP0 ch0
USER_SMA_MGT_CLOCK refclk1
FMC GBTCLK0 M2C refclk0
FMC DP7 ch3
GTY Quad 131 PCIe4
FMC DP6
ch2
FMC DP5 ch1
FMC DP4 ch0
USER_MGT_SI570_CLOCK refclk1
FMC GBTCLK1 M2C refclk0
Chapter 3: Board Component Descriptions
UG1410 (v1.0) July 8, 2020 www.xilinx.com
ZCU208 Board User Guide 52
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