Clock Generation

VEK280 Evaluation Board User Guide (UG1612)

Document ID
UG1612
Release Date
2024-01-31
Revision
1.1 English

The VEK280 board provides fixed and variable clock sources for the XCVE2802 U1 device and other function blocks. The following table lists the source devices for each clock.

Table 1. Clock Sources
Ref. Des. Feature Notes Schematic Page
U299 DDR4 DIMM CLK, 200 MHz, 3.3V LVDS, 0x09 Renesas output 1RC21008A 93
U299 DDR4 DIMM CLK, 200 MHz, 3.3V LVDS, 0x09 Renesas output 2 RC21008A 93
U299 DDR4 DIMM CLK, 200 MHz, 3.3V LVDS, 0x09 Renesas output 3 RC21008A 93
U299 Adaptive SoC U1 GTYP (FMC+) CLK, 100 MHz, 3.3V LVDS, 0x09 Renesas output 6

RC21008A

93
U299 Adaptive SoC U1 GTYP (FMC+) CLK, 100 MHz, 3.3V LVDS, 0x09 Renesas output 7

RC21008A

93
U299 Adaptive SoC U1 GTYP (zSFP+) CLK, 156.25 MHz, 3.3V LVDS, 0x09 Renesas output 8

RC21008A

93
U299 Adaptive SoC U1 processing system (PS) reference CLK, 33.33 MHz, 1.8V LVCMOS, 0x09 Renesas output 10

RC21008A

93
U299 Master mode Ethernet CLK, 25 MHz, 1.8V LVCMOS, 0x09 Renesas output 11

RC21008A

93
U374 Adaptive SoC U1 HSDP CLK, 156.25 MHz, 3.3V LVDS CTS

626L15625I3T

8
U344 HDMI RX RCLK, various, 3.3V differential, 0x5B TI

TMDS1204

45
U344 HDMI RX OUT CLK, various, 3.3V differential, 0x5B TI

TMDS1204

45
U1 IEEE-1588 eCPRI CLK, various, 3.3V, 0x5B Adaptive SoC

XCVE2802

3, 92

The detailed device connections for the feature described in this section are documented in the VEK280 board XDC file, referenced in Xilinx Design Constraints.