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Using External Power Sources
Each voltage rail for the RFSoC logic, multi-gigabit transceivers (MGTs), and RF data converters
has an associated Euro-Mag spring-clamp terminal block (callout 3, 14, 20, 26, 29, 30, 40, and 46,
Figure 2: Board Component
source (see the following table).
CAUTION! Do NOT apply power to any of the RFSoC logic external power supply connectors without first
disabling the associated regulator or regulators. Failing to disable the regulator can damage the board.
Each onboard RFSoC logic regulator can be disabled using its respective power regulation inhibit DIP switch
(callout 22,
Figure 2: Board Component
switch is set to the ENABLED position. The following table lists the external power connectors for the different
power rails.
Table 3: RFSoC Logic and Serial Transceiver Rails
RFSoC Logic and Processor
GTY Transceivers
PS-GTR Transceivers
RF Data Converters
Notes:
1.
The serial transceiver or analog power module must be removed before providing external power to any of the
transceiver or data converter rails (see
UG1348 (v1.0) July 16, 2019
ZCU1285 Board User Guide
Chapter 1: ZCU1285 Board Features and Operation
Locations), which can be used to provide power from an external
Locations). A regulator is enabled when the power regulation inhibitor
Power Rail Net Name
VCCINT
VCCBRAM
VCCAUX
VCCO_HP
VCCO_HD
VCCPINT
VCCPAUX
VCC_PSPLL
VCCO_DDR
VCCO_MIO
VCCINT_AMS
MGTAVCC
MGTAVTT
MGTVCCAUX
MGTAVCC_GTR
MGTAVTT_GTR
ADC_AVCC
ADC_AVCCAUX
DAC_AVCC
DAC_AVTT
DAC_AVCCAUX
Serial Transceiver Power
External
Supply
Connector(s)
J181
J96
J151
J150
J67
J114
J115
J116
J107
J113
Modules).
Send Feedback
Remote Sense
Header
J22
J74
J23
J19
J18
J177
J146
J144
J143
J142
J64
J147
J148
J149
J62
J63
J79
J81
J75
J76
J78
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