Zynq UltraScale+ - Page 33

RFSoC Data Converter Evaluation Tool User Guide 33
UG1287 (v2018.2) October 1, 2018 www.xilinx.com
Chapter 4: Clocking
Table 4-2 lists the clocks used for RF-DAC control path and datapath.
X-Ref Target - Figure 4-9
Figure 4-9: N-Stage Sync Logic for RF-DAC
Synchronizer
Channel 0 Control
Channel 1 Control
Channel 2 Control
Channel 3 Control
Synchronizer
Synchronizer
Synchronizer
Channel 0 Control
Synchronizer
Tile0 _clk
PS Clock
PL CLK
PS Clock
Multi-Tile Control
DAC 0 CONTROL
Multi-Tile Control
DAC 1 CONTROL
Multi-Tile Control
DAC 2 CONTROL
Multi-Tile Control
DAC 3 CONTROL
Synchronizer
Channel 4 Control
Channel 5 Control
Channel 6 Control
Channel 7 Control
Synchronizer
Synchronizer
Synchronizer
Tile1 _clk
PS Clock
Multi-Tile Control
DAC 4 CONTROL
Multi-Tile Control
DAC 5 CONTROL
Multi-Tile Control
DAC 6 CONTROL
Multi-Tile Control
DAC 7 CONTROL
X21252-090918
Table 4-2: Clock Domains in RF-DAC Control and Datapath
Logic Block
Clock Domain
(300 MHz)
DAC_CLK_OUT
(409.625 MHz)
PL DDR MIG X
SG DMA X
Streaming MUX X
Memory Loopback 0 x (Write) x (Read)
Memory Loopback 1 x (Write) x (Read)
Memory Loopback 2 x (Write) x (Read)
Memory Loopback 3 x (Write) x (Read)
Memory Loopback 4 x (Write) x (Read)
Memory Loopback 5 x (Write) x (Read)
Memory Loopback 6 x (Write) x (Read)
Memory Loopback 7 x (Write) x (Read)
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