Default Jumper And Switch Positions; Active Heat Sink And Power Connector - Xilinx ZCU1285 User Manual

The Silicon Labs CP2108 also provides as many as four user-defined GPIO signals for status and
control information (see the following table).
Table 25: CP2108 USB-to-UART Bridge User GPIO
Pin Function
AY25 SelectIO
AY24 SelectIO
BA24 SelectIO
BA23 SelectIO
The connections between the RFSoC processor and the Silicon Labs CP2108 are listed in the
following table. This connection is a UART 0 controller on the processor.
Table 26: RFSoC to UART Connection
Pin Function
C33 MIO35
D31 MIO34
The second port of the CP2108 USB to Quad-UART is connected to the onboard System
Controller.
Related Information
System Controller

Default Jumper and Switch Positions

A list of jumpers and switches and their required positions for normal board operation is provided
in Appendix B: Default Jumper

Active Heat Sink and Power Connector

An active heat sink (see following figure) is provided for the RFSoC. A 12V fan is affixed to the
heat sink and is powered from the 3-pin friction lock header J99 (callout 19,
Component Locations).
UG1348 (v1.0) July 16, 2019
ZCU1285 Board User Guide
RFSoC (U1)
IOSTANDA
Direction
RD
IN/OUT LVCMOS18
IN/OUT LVCMOS18
IN/OUT LVCMOS18
IN/OUT LVCMOS18
RFSoC (U1)
IOSTANDA
Direction
RD
TX OUTPUT
RX INPUT
Settings.
Chapter 1: ZCU1285 Board Features and Operation
Schematic
Net Name
Pin
UART_GPIO_0 41
UART_GPIO_1 40
UART_GPIO_2 38
UART_GPIO_3 37
Schematic Net
Name
Pin
MIO35_UART_TX 15
MIO34_UART_RX 16
Send Feedback
Device (U32)
Function Direction
GPIO IN/OUT
GPIO IN/OUT
GPIO IN/OUT
GPIO IN/OUT
Device (U32)
Function Direction
RX INPUT
TX OUTPUT
Figure 2: Board
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