Programmable Clocks Tab - Xilinx ZCU1285 User Manual

Connect a USB A to Micro-B USB cable from the host PC to the ZCU1285 USB/UART connector
(callout 5, Figure 1-2). In the SCUI click File → Change the System Controller Port. In the Select
the system controller port window, select the COM port associated with Silicon Labs Quad
CP210x USB to UART Bridge: Interface 2, and press OK. The SCUI is now connected to the
ZCU1285 board.
IMPORTANT! Make sure J121 is set to position (2-3) DUT PMBUS DIS to isolate the DUT PMBUS/I2C signals
and prevent bus contention. If contention occurs, the system controller cannot execute commands.

Programmable Clocks Tab

The Clocks tab (see following figure) is used to set the frequency of the SuperClock-2 Module
clock sources (see
SuperClock-RF2
Under the Clocks tab is another row of tabs to select either the SuperClock-2 Module (CLK-101)
or the SuperClock-RF2 Module (CLK-103).
CLK-101 Tab
This section includes a description of the CLK-101 tab options that are used to control the
SuperClock-2 Module. Arbitrary field value entries are used to illustrate the operations. The
CLK-101 tab is shown in the following figure.
Note: For each of the following operations, several seconds might elapse before the operation completes.
UG1348 (v1.0) July 16, 2019
ZCU1285 Board User Guide
SuperClock-2 Module) and the SuperClock-RF2 Module clock sources (see
Module).
Figure 25: Clocks Tab
Figure 26: CLK-101 Tab
Appendix E: System Controller
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