Xilinx ZCU1285 User Manual
ZCU1285 Characterizaon
Board
User Guide
UG1348 (v1.0) July 16, 2019
Revision History
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The following table shows the revision history for this document.
Revision History
Section
07/16/2019 Version 1.0
Initial release. N/A
Revision Summary
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ZCU1285 Board User Guide 2
Table of Contents
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Revision History...............................................................................................................2
Chapter 1: ZCU1285 Board Features and Operation................................... 5
Electrostatic Discharge Caution.................................................................................................5
Zynq UltraScale+ RFSoC Compatibility......................................................................................6
ZCU1285 Board Features............................................................................................................6
Board Component Locations..................................................................................................... 8
Power Management................................................................................................................. 10
Analog Power Module.............................................................................................................. 17
Serial Transceiver Power Modules.......................................................................................... 19
Zynq UltraScale+ RFSoC............................................................................................................21
Quad SPI Flash Memory........................................................................................................... 27
SD Card....................................................................................................................................... 28
DDR3 Memory............................................................................................................................28
RF Data Converters and Sampling Clocks.............................................................................. 28
Serial Transceivers and Reference Clocks..............................................................................32
SuperClock-2 Module................................................................................................................37
SuperClock-RF2 Module............................................................................................................38
Balun Board............................................................................................................................... 41
FPGA Mezzanine Card Interface..............................................................................................43
System Controller......................................................................................................................50
I2C Bus Management............................................................................................................... 50
USB to Quad-UART Bridge....................................................................................................... 52
Default Jumper and Switch Positions......................................................................................53
Active Heat Sink and Power Connector.................................................................................. 53
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ZCU1285 Board User Guide 3
Appendix A: Regulatory and Compliance Information........................... 56
CE Information...........................................................................................................................56
Compliance Markings............................................................................................................... 57
Appendix B: Default Jumper Settings................................................................58
Appendix C: VITA 57.1 FMC Connector Pinouts............................................ 60
Appendix D: Master Constraints File Listing.................................................62
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Appendix E: System Controller..............................................................................63
Connecting the System Controller User Interface................................................................ 63
Programmable Clocks Tab....................................................................................................... 65
Power Tab...................................................................................................................................73
Read a Single Power Rail.......................................................................................................... 74
Read Multiple Power Rails........................................................................................................75
Read Power Rails Continuously............................................................................................... 76
FMC Tab......................................................................................................................................77
EEPROM Data Tab..................................................................................................................... 79
Write Board EEPROM Data.......................................................................................................80
Read Board EEPROM Data....................................................................................................... 81
Appendix F: Additional Resources and Legal Notices..............................83
Xilinx Resources.........................................................................................................................83
Documentation Navigator and Design Hubs.........................................................................83
References..................................................................................................................................84
Please Read: Important Legal Notices................................................................................... 84
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ZCU1285 Board User Guide 4
ZCU1285 Board Features and
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Operation
Chapter 1
This user guide describes the components, features, and operaon of the Xilinx® Zynq
UltraScale+™ RFSoC ZCU1285 characterizaon kit. The ZCU1285 kit provides the hardware
environment for characterizing and evaluang the radio frequency data converter subsystem (RFADC/RF-DAC) and high-speed serial transceivers (GTY/PS-GTR) available on the
XCZU39DR-2FFVF1760I Zynq UltraScale+ RFSoC. The ZCU1285 schemac, bill of material
(BOM), and Allegro board les are in the XTP document package on the Zynq UltraScale+ RFSoC
ZCU1285 Characterizaon Kit website.
Electrostatic Discharge Caution
CAUTION!
intermient failures. Always follow ESD-prevenon procedures when removing and replacing components.
To prevent ESD damage:
• Use an ESD wrist or ankle strap and ensure that it makes skin contact. Connect the equipment
end of the strap to an unpainted metal surface on the chassis.
• Avoid touching the adapter against your clothing. The wrist strap protects components from
ESD on the body only.
ESD can damage electronic components when they are improperly handled, and can result in total or
®
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ZCU1285 Board User Guide 5
• Handle the adapter by its bracket or edges only. Avoid touching the printed circuit board or
the connectors.
• Put the adapter down only on an anstac surface such as the bag supplied in your kit.
• If you are returning the adapter to Xilinx® Product Support, place it back in its anstac bag
immediately.
Chapter 1: ZCU1285 Board Features and Operation
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Zynq UltraScale+ RFSoC Compatibility
The ZCU1285 board is provided with the XCZU39DR-2FFVF1760I Zynq UltraScale+ RFSoC.
There are no other pin-compable devices in this package.
ZCU1285 Board Features
• XCZU39DR-2FFVF1760I Zynq UltraScale+ RFSoC
• Samtec Bulls Eye® cable access to all 16 radio frequency analog-to-digital converter (RF-ADC)
channels
• Samtec Bulls Eye cable access to all 16 radio frequency digital-to-analog converter (RF-DAC)
channels
• Samtec Bulls Eye cable access to all 16 GTY transceivers
• Samtec Bulls Eye cable access to all four PS-GTR transceivers
• Onboard power supplies for all necessary voltages
• Connectors for external power supplies
• SMA connectors for probing RF-ADC/RF-DAC power rails, GTY/PS-GTR power rails, and
VCCINT/VCCO_HP/VCCO_HD power rails
• Embedded USB-to-JTAG programming port
• JTAG programming header
• Programmable logic (PL) JTAG connector connected to HPIO bank 66
• System Controller (Zynq-7000 SoC XC7Z010-CLG225)
• One analog power module supporng RF data converter power requirements
• One power module to support GTY transceiver power requirements
• One power module to support PS-GTR transceiver power requirements
• 300 MHz LVDS oscillator connected to HPIO global clock (GC) pins on bank 66
• 33.3333333 MHz LVCMOS oscillator connected to processing system (PS) bank 503
PS_REF_CLK pin
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ZCU1285 Board User Guide 6
• Two pairs of SMA connectors connected to HPIO global clock (GC) pins on bank 66
• SuperClock-RF2 Module (HW-CLK-103) supporng RF data converter clock requirements
• SuperClock-2 Module (HW-CLK-101) supporng GTY/PS-GTR reference clock requirements
• General purpose DIP switches, LEDs, pushbuons, and test I/O
Chapter 1: ZCU1285 Board Features and Operation
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• One VITA 57.1 FPGA mezzanine card (FMC) high pin count (HPC) connector
• One VITA 57.1 FPGA mezzanine card low pin count (LPC) connector
• USB-to-UART bridge connected to PL, PS, and System Controller
• Inter IC (I2C) interface
• 4x 4 Gb DDR3 SDRAM PS memory
• 1 Gb Quad SPI ash PS memory
• PMBus connecvity to the board’s digital power supplies
Block Diagram
The ZCU1285 block diagram is shown in the following gure.
Figure 1: Block Diagram
Power In 12 VDC
FPGA Power Source
On-Board Regulation:
VCCINT 0.85V, 60A
VCCBRAM / VCCINT_IO 0.85V, 6A
VCCAUX / VCCAUX_IO 1.8V, 6A
VCCO_HP 1.8V, 6A
VCCO_HD 1.8V, 6A
VCCPINT 0.85V, 12A
VCCPAUX 1.8V, 3A
VCC_PSPLL 1.2V, 3A
VCCO_DDR 1.5V, 6A
VCCO_MIO 1.8V, 6A
VCCINT_AMS 0.85V, 20A
Board Utility Power
On-Board Power Regulation:
UTIL_5V0_ACM 5.0V, 3A
UTIL_5V0 5.0V, 6A
UTIL_3V3 3.3V, 20A
UTIL_2V5 2.5V, 12A
UTIL_1V8 1.8V, 20A
PMBus/I2C
VCC12_SW
UTIL_5V0
UTIL_3V3
VCC12_SW
UTIL_5V0
UTIL_3V3
GTR Transceiver
QUAD 505
BullsEye
Connector
GTR Power Module
Interface
DDR3 SDRAM (2 GB)
QSPI (1 Gbit)
USB to UART Bridge
System Controller
GTY Transceivers
QUAD 128
QUAD 129
QUAD 130
QUAD 131
GTY Power Module
Interface for
Quads 128-131
Select I/O Termination
PS RF-ADC/RF-DAC
Zynq Ultrascale+ RFSoC
XCZU39DR-FFVF1760
PL
RF-ADC and RF-DAC
TILE 224
…
TILE 231
BullsEye Connectors
Analog Power Module
Interface for
RF-ADC/RF-DAC
Tiles 224-231
SuperClock-RF2
Module Interface
(HW-CLK-103)
FMC2 Interface
VCCO_HP HPC
FMC3 Interface
VCCO_HD LPC
Oscillator
300 MHz LVDS
Push Buttons,
DIP Switches,
and LEDs
SuperClock-2 Module
Interface
(HW-CLK-101)
PMBus/I2C
UTIL_5V0_A
UTIL_3V0_A
UTIL_1V8_A
PMBus/I2C
UTIL_5V0_ACM
UTIL_3V0_A
UTIL_1V8_A
UTIL_5V0
UTIL_3V0
UTIL_2V5
VCCO_HP
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ZCU1285 Board User Guide 7
X22890-060719
Chapter 1: ZCU1285 Board Features and Operation
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Board Component Locations
The following gure shows the ZCU1285 board component locaons. Each numbered
component shown in the gure is keyed to the table in Board Component Descripons.
CAUTION! Do not remove the rubber feet from the board. The feet provide clearance to prevent short circuits on
the back side of the board.
IMPORTANT! The following gure is for reference only and might not reect the current revision of the board.
Figure 2: Board Component Locations
2
3 5 6 7
1
23
24
26
29
31
31
30
31
31
31
31
31
4
22
21
25
27
28
31 31
15
18 17
19
20
33
34
31
16
37
36
35
51
50
13
14
47
46
49
8
10
11
12
38
39
40
48
45
44
43
9
41
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ZCU1285 Board User Guide 8
32
54
53
52
X22891-060619
Chapter 1: ZCU1285 Board Features and Operation
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Board Component Descriptions
Table 1: Board Component Descriptions
Callout Reference Designator Feature Description
1 SW1 Power Switch
2 J28 12V Mini-Fit connector (12V Input Power)
3 J27 12V external power supply connector (12V Input Power, Using
4 J73 ATX power connector (12V Input Power)
5 J1 USB to Quad-UART Bridge (Micro-B receptacle)
6 J36 SuperClock-2 Module (HW-CLK-101-SCLK2)
7 J3 System Controller JTAG connector
8 J69 USB-to-JTAG connector (Micro-B receptacle) (RFSoC Configuration)
9 J2 Platform USB JTAG connector (alternate access for programming
10 SW4, DS12, DS16, DS27, DS1 System Controller status LEDs and POR pushbutton (System
11 J4, J145, J154, J8 Serial transceiver power module PMBus connectors and
12 J163, J164, J166, J165 Boot Mode Selection Headers
13 J121, J125 I2C bus master selection headers (I2C Bus Management)
14 J160, J275 VTT_HP external connector and selection header
15 SW15, SW14 PS_POR_B Pushbutton and PS_SRST_B Pushbutton
16 J250, J251 VCCINT power probe SMA
17 J276, J277 VCCINT_AMS power probe SMA
18 J158, J159, J156, J194 PS-GTR ref clock SMAs (Serial Transceivers and Reference Clocks)
19 J99 Active Heat Sink and Power Connector
20 J181 VCCINT external power connector and voltage sense header
21 DS18, DS2 12V and Power Good LEDs (Power Switch)
22 SW2 Power regulation inhibitor switch for onboard regulators (Using
23 DS4–DS11, DS13–DS15, DS28– DS38,
DS42–DS45, DS49
24 J149, J148, J147 GTY voltage sense headers
25 J174, J155 GTY power module (Serial Transceiver Power Modules)
26 J150 GTY external power supply connector
27 J63, J62 PS-GTR voltage sense headers
28 J138, J93 PS-GTR power module (Serial Transceiver Power Modules)
29 J67 PS-GTR external power supply connector
30 J151, J96 RFSoC logic and processor external power supply connectors
31 J146, J144, J143, J142, J64, J23, J19, J18,
J177
32 J21 PMBus connector (Monitoring Voltage and Current)
External Power Sources)
cables) (RFSoC Configuration)
Controller Reset, System Controller Status LEDs)
isolation selection headers (Monitoring Voltage and Current)
External Power Sources)
Status LEDS for RFSoC logic, processor, transceiver, data converter,
and utility power
RFSoC logic and processor voltage sense headers
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ZCU1285 Board User Guide 9
Chapter 1: ZCU1285 Board Features and Operation
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Table 1: Board Component Descriptions (cont'd)
Callout Reference Designator Feature Description
33 J39 PS-GTR transceiver connector pad, bank 505 (Serial Transceivers and
34 J117, J118, J280, J281 GTY transceiver connector pads Q128, Q129, Q130, and Q131
35 U1 XCZU39DR-2FFVF1760I, Zynq UltraScale+ RFSoC
36 J124, J278, J129, J279 RF-ADC and RF-DAC Bulls Eye connector pads, tiles 224–231 (RF Data
37 J20 RF-ADC VCM connector
38 J75, J76, J78, J81, J79 RF-ADC and RF-DAC voltage sense headers
39 J46, J43, J60, J25 RF-ADC and RF-DAC PMBus connector and selection headers
40 J114, J115, J116, J107, J113 RF-ADC and RF-DAC external power supply connectors
41 J131, J119, J120 Analog Power Module
42 J170 SuperClock-RF2 Module(HW-CLK-103)
43 SW16, SW17, J95, SW3, DS22– DS26,
DS46–DS48
44 SW7 RFSoC PROGRAM Pushbutton
45 DS40, DS39, DS17, DS3 RFSoC DONE LED, INIT LED, STATUS LED, and ERROR LED
46 J106, J216 VTT_HP external connector and selection header
47 J190, J189, J188, J187, J192, J191, J257,
J256, J162, J161
48 J243, J242 RF-DAC SYSREF SMA
49 J84, J85, J83, J86 SMA connectors to differential GC pins on RFSoC (Differential SMA
50 J5 PL JTAG connector tied to RFSoC I/O pins
51 J254, J255, J253, J252 Power probe SMAs for VCCO_HP and VCCO_HD
52 J287 RFSoC SD Cardslot (bottom side of board)
53 JA3 FMC2 HPC connector tied to VCCO_HP banks (FPGA Mezzanine Card
54 JA4 FMC3 LPC connector tied to VCCO_HD banks (FPGA Mezzanine Card
Reference Clocks)
Converters and Sampling Clocks)
(Monitoring Voltage and Current)
User configurable I/O header, DIP switch, LEDs, and
pushbuttons (User LEDs, User DIP Switches and I/O Header)
Power probe SMAs for DAC_AVCC, DAC_AVTT, DAC_AVCCAUX,
ADC_AVCC, and ADC_AVCCAUX
Pin Inputs)
Interface, FMC Tab)
Interface, FMC Tab)
Power Management
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ZCU1285 Board User Guide 10
12V Input Power
The ZCU1285 board receives 12V main power through J28 (callout 2, Figure 2: Board
Component Locaons) using the 12V AC adapter included with the ZCU1285 characterizaon
kit. J28 is a 6-pin (2 x 3), right angle, Mini-Fit connector.
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CAUTION! When supplying 12V through J28, use only the power supply provided for use with this board (Xilinx
part number 3800033).
CAUTION! Do NOT use a 6-pin, PC ATX power supply connector with J28. The pinout of the 6-pin, PC ATX
connector is not compable with J28 and the board will be damaged if an aempt is made to power it from a PC
ATX power supply connector.
12V power can also be provided through:
• Connector J73 (callout 4, Figure 2: Board Component Locaons) which accepts an ATX hard
drive 4-pin power plug
• Connector J27 (callout 3, Figure 2: Board Component Locaons) which can be connected to a
bench-top power supply
CAUTION! Because connector J73 provides no reverse polarity protecon, use a power supply with a current
limit set at 6A maximum.
CAUTION! Do NOT apply 12V power to more than a single input source. For example, do not apply power to
J73 and J27 at the same me.
CAUTION! If J73 or J27 is used to supply the 12V input power, be careful that board power consumpon does
not exceed 75W (this includes the RFSoC).
Power Switch
The ZCU1285 board main power is turned on or o using switch SW1 (callout 1, Figure 2: Board
Component Locaons). When the switch is in the ON posion, power is applied to the board and
the power good LED DS18 illuminates green (callout 21, Figure 2: Board Component Locaons).
Onboard Power Regulation
ZCU1285 Power Supply Block Diagram
The following gure shows the onboard power supply architecture.
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ZCU1285 Board User Guide 11
Chapter 1: ZCU1285 Board Features and Operation
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Figure 3: Board Power Supply Block Diagram
12V PWR
IN
Maxim 20751 U23
MultiPhase Master
Maxim VT1697SBFXQ U118
0.85V at 20A max
Maxim VT1697SBFXQ U137
0.85V at 20A max
Maxim VT1697SBFXQ U138
0.85V at 20A max
Maxim 15303 U24
1.8V at 6A max
Maxim 15303 U47
0.85V at 6A max
Maxim 15303 U29
1.8V at 6A max
Maxim 15303 U31
1.8V at 6A max
Maxim 15301 U28
0.85V at 12A max
Maxim 15303 U48
1.8V at 3A max
Maxim 15303 U27
1.2V at 3A max
Maxim 15303 U11
1.5V at 6A max
Maxim 15303 U96
1.8V at 6A max
Maxim 20751 U89
MultiPhase Master
Maxim VT1697SBFXQ U20
0.85V at 20A max
Maxim VT1697SBFXQ U17
0.85V at 20A max
Maxim 15301 U50
1.8V at 20A max
Maxim 15301 U51
2.5V at 12A max
Maxim 15301 U30
3.3V at 20A max
Maxim 15303 U102
5.0V at 6A max
GTY Power Module
Quads 128-131
0.9V at 12.0A max
1.2V at 20A max
1.8V at 2.5A max
VCCINT
VCCAUX / VCCAUX_IO
VCCBRAM / VCCINT_IO
VCCO_HP
VCCO_HD
VCCPINT
VCCPAUX
VCC_PSPL
VCCO_DDR
VCCO_MIO
VCCINT_AMS
UTIL_1V8
UTIL_2V5
UTIL_3V3
UTIL_5V0
MGTAVCC
MGTAVTT
MGTVCCAUX
L
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ZCU1285 Board User Guide 12
TI LMZ31503 U155
5.4V at 3A max
GTR Power Module
Quad 505
0.85V at 12.0A max
1.8V at 2.5A max
Analog Power Module
Tiles 224-231
0.925V at 2.0A max
1.8V at 2A max
0.925V at 3.5A max
1.8V at 2.0A max
2.5V or 3.0V at 2.0A max
Linear Tech LT1764 U154
5.0V at 3A max
MGTAVCC_GTR
MGTAVTT_GTR
ADC_AVCC
ADC_AVCCAUX
DAC_AVCC
DAC_AVTT
DAC_AVCCAUX
UTIL_5V0_ACM
X22892-071519
Chapter 1: ZCU1285 Board Features and Operation
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Onboard Power System Devices
The ZCU1285 board uses power regulators and PMBus-compliant pulse width modulaon
(PWM) digital controllers from Maxim Integrated to supply the RFSoC logic and ulity voltages
listed in the following table. The board can also be congured to use an external bench power
supply for each voltage. See Using External Power Sources.
The output voltages of the controllers in the table can be reprogrammed using the Maxim InTune
Digital PowerTool.
Note: The MAX20751EKX device has limited nonvolale memory reprogramming saves (four counts).
CAUTION! Be extremely careful when aempng to modify any of the onboard regulators, because an
incorrectly programmed regulator can damage onboard components.
Table 2: Onboard Power System Devices
Device Part Number
RFSoC Logic
Maxim MAX20751EKX
Maxim MAX15303 U24 InTune digital point of load
Maxim MAX15303 U47 InTune digital point of load
Maxim MAX15303 U29 InTune digital point of load
Maxim MAX15303 U31 InTune digital point of load
Processor
Maxim MAX15301 U28 InTune digital point of load
Maxim MAX15303 U48 InTune digital point of load
Maxim MAX15303 U27 InTune digital point of load
Maxim MAX15303 U11 InTune digital point of load
Maxim MAX15303 U96 InTune digital point of load
RF Data Converters
Maxim MAX20751EKX
INA226 U60 Current shunt and power
1
1
Reference
Designator(s)
U23 Multiphase master with
PMBus interface controller
(60A three phases at 20A/
phase)
(PoL) controller, 6A
(PoL) controller, 6A
(PoL) controller, 6A
(PoL) controller, 6A
(PoL) controller, 12A
(PoL) controller, 3A
(PoL) controller, 3A
(PoL) controller, 6A
(PoL) controller, 6A
U89 Multiphase master with
PMBus interface controller
(40A two
phases at 20A/phase)
monitor with I2C interface
Description
Power Rail Net
Name
VCCINT 0.85V
VCCAUX / VCCAUX_IO 1.8V
VCCBRAM / VCCINT_IO 0.85V
VCCO_HP 1.8V
VCCO_HD 1.8V
VCCPINT 0.85V
VCCPAUX 1.8V
VCC_PSPLL 1.2V
VCCO_DDR 1.5V
VCCO_MIO 1.8V
VCCINT_AMS 0.85V
ADC_AVCC 0.925V
Voltage
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ZCU1285 Board User Guide 13
Chapter 1: ZCU1285 Board Features and Operation
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Table 2: Onboard Power System Devices (cont'd)
Device Part Number
INA226 U61 Current shunt and power
INA226 U63 Current shunt and power
INA226 U64 Current shunt and power
INA226 U65 Current shunt and power
GTY Transceivers
INA226 U141 Current shunt and power
INA226 U142 Current shunt and power
INA226 U143 Current shunt and power
PS-GTR Transceivers
INA226 U99 Current shunt and power
INA226 U97 Current shunt and power
Utility
Maxim MAX15301 U50 InTune digital point of load
Maxim MAX15301 U51 InTune digital point of load
Maxim MAX15301 U30 InTune digital point of load
Maxim MAX15301 U102 InTune digital point of load
LMZ31503 U155 DC/DC converter, 3A UTIL_5V4 5.4V
LT1764 U154 Fixed LDO regulator UTIL_5V0_ACM 5.0V
System Controller
Maxim MAX15053 U13 Fixed LDO regulator SYS_1V0 1.0V
Maxim MAX15027 U25 Fixed LDO regulator VCC_1V2 1.2V
Maxim MAX15027 U33 Fixed LDO regulator VCC_1V8 1.8V
Notes:
1. The MAX20751EKX device has limited nonvolatile memory reprogramming saves (four counts).
Reference
Designator(s)
Description
monitor with I2C interface
monitor with I2C interface
monitor with I2C interface
monitor with I2C interface
monitor with I2C interface
monitor with I2C interface
monitor with I2C interface
monitor with I2C interface
monitor with I2C interface
(PoL) controller, 20A
(PoL) controller, 12A
(PoL) controller, 20A
(PoL) controller, 12A
Power Rail Net
Name
ADC_AVCCAUX 1.8V
DAC_AVCC 0.925V
DAC_AVTT 1.8V
DAC_AVCCAUX 2.5V or
MGTAVCC 0.9V
MGTAVTT 1.2V
MGTVCCAUX 1.8V
MGTAVCC_GTR 0.85V
MGTAVTT_GTR 1.8V
UTIL_1V8 1.8V
UTIL_2V5 2.5V
UTIL_3V3 3.3V
UTIL_5V0 5.0V
Voltage
3.0V
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ZCU1285 Board User Guide 14
Chapter 1: ZCU1285 Board Features and Operation
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Using External Power Sources
Each voltage rail for the RFSoC logic, mul-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 Locaons), which can be used to provide power from an external
source (see the following table).
CAUTION! Do NOT apply power to any of the RFSoC logic external power supply connectors without rst
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 respecve power regulaon inhibit DIP switch
(callout 22, Figure 2: Board Component Locaons). A regulator is enabled when the power regulaon inhibitor
switch is set to the ENABLED posion. The following table lists the external power connectors for the dierent
power rails.
Table 3: RFSoC Logic and Serial Transceiver Rails
External
Power Rail Net Name
Supply
Connector(s)
VCCINT
VCCBRAM
VCCAUX J23
VCCO_HP J19
VCCO_HD J18
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 Serial Transceiver Power Modules).
VCCPINT J177
VCCPAUX
VCC_PSPLL J144
VCCO_DDR J143
VCCO_MIO J142
VCCINT_AMS J64
MGTAVCC
MGTAVTT J148
MGTVCCAUX J149
MGTAVCC_GTR
MGTAVTT_GTR J63
ADC_AVCC J114 J79
ADC_AVCCAUX J115 J81
DAC_AVCC J116 J75
DAC_AVTT J107 J76
DAC_AVCCAUX J113 J78
J181 J22
J96
J151
J150
J67
Remote Sense
Header
J74
J146
J147
J62
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ZCU1285 Board User Guide 15
Chapter 1: ZCU1285 Board Features and Operation
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Monitoring Voltage and Current
Voltage and current monitoring and control for the Maxim power system is available through
either the ZCU1285 System Controller or via the Maxim PowerTool soware GUI.
The ZCU1285 System Controller is the simplest and most convenient way to monitor the voltage
and current values for the power rails listed in Onboard Power System Devices. For details on
how to use this built-in feature, see Power Tab.
The ZCU1285 board includes these PMBus connectors:
• J21 (callout 32, Figure 2: Board Component Locaons), for use with the Maxim USB-to-
PMBus interface dongle (Maxim part number MAXPOWERTOOL002) and the Maxim
PowerTool GUI.
• J4 and J145 (callout 11, Figure 2: Board Component Locaons) are used to connect to the
serial transceiver power module’s PMBus. The pinouts for J4 and J145 are shown in the
following gure
• J25 (callout 39, Figure 2: Board Component Locaons) is used to connect to the analog power
module PMBus. The pinout for J25 is shown in the following gure.
Figure 4: PMBus Connector Pinouts
CLK CTRL
DATA
NC
ALERT
NC
NC
NC
NC
1 2
3 4
5 6
7 8
9 10
11 12
13 14
15 16
GND
1
2
3
4
5
J4, J145
CLK
DATA
ALERT
CTRL
GND
1
2
3
4
J25
CLK
DATA
ALERT
GND
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ZCU1285 Board User Guide 16
MAXPOWERTOOL002
X22893-051519
The onboard Maxim power controllers by default are isolated from the serial transceiver power
module’s PMBus. However, the two interfaces can be linked by removing the shunt on J8 or J154
(serial transceiver PMBus isolaon). This conguraon is required when using Maxim PowerTool
to monitor and control both the RFSoC power rails and the serial transceiver power rails using
the Maxim InTune Digital PowerTool GUI.
Analog Power Module
Send Feedback
There is one analog power module interface for connecng an analog power module (callout 41,
Figure 2: Board Component Locaons). The analog power module supplies power to the
ADC_AVCC, ADC_AVCCAUX, DAC_AVCC, DAC_AVTT, and DAC_AVCCAUX rails, which power
the RFSoC RF data converters. The analog power module connects to J131, J119, and J120. Two
analog power modules are provided with the ZCU1285 board for evaluaon. One module is
made by Intersil with part number ISL8024DEMO2Z and the other is made by MPS with part
number EVREF0102A. See the following two gures.
Figure 5: Intersil Analog Power Module
Chapter 1: ZCU1285 Board Features and Operation
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ZCU1285 Board User Guide 17
Chapter 1: ZCU1285 Board Features and Operation
Send Feedback
Figure 6: MPS Analog Power Module
The following table lists the nominal voltage values for the ADC_AVCC, ADC_AVCCAUX,
DAC_AVCC, DAC_AVTT, and DAC_AVCCAUX power rails. It also lists the maximum current
rang for each rail supplied by the analog power modules included with the ZCU1285
characterizaon kit.
Table 4: Analog Power Module
Analog Rail Net Name Nominal Voltage (V) Maximum Current Rating (A)
ADC_AVCC 0.925 2.00
ADC_AVCCAUX 1.8 2.00
DAC_AVCC 0.925 3.5
DAC_AVCCAUX 1.8 2.00
DAC_AVTT 2.5 or 3.0 2.00
The analog power rails can also be supplied externally. The external supply connectors are listed
in the table in Using External Power Sources.
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ZCU1285 Board User Guide 18
Chapter 1: ZCU1285 Board Features and Operation
Send Feedback
CAUTION! The analog power module MUST be removed when providing external power to the RF data
converter rails.
Informaon about the analog power modules included with the ZCU1285 characterizaon kit is
available from the vendor websites Renesas Power Management and Monolithic Power Systems
Serial Transceiver Power Modules
There is one GTY transceiver power module interface (callout 25, Figure 2: Board Component
Locaons). The GTY transceiver power module supplies the MGTAVCC, MGTAVTT, and
MGTVCCAUX power rails, which connect to the RFSoC GTY transceivers. In the ZCU1285
characterizaon kit, there is one GTY transceiver power module from Maxim Integrated provided
for evaluaon, part number MAXREFDES87#. The GTY transceiver power module is labeled GTY
and connects to J174 and J155.
There is one PS-GTR transceiver power module interface (callout 28, Figure 2: Board Component
Locaons). The PS-GTR transceiver power module supplies the MGTAVCC_GTR and
MGTAVTT_GTR power rails, which connect the RFSoC PS-GTR transceivers. In the ZCU1285
characterizaon kit, there is one PS-GTR transceiver power module from Maxim Integrated
provided for evaluaon, part number MAXREFDES87#. The PS-GTR power module is labeled
PS-GTR and connects to J138 and J93.
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ZCU1285 Board User Guide 19
Chapter 1: ZCU1285 Board Features and Operation
Send Feedback
Figure 7: Maxim Integrated Serial Transceiver Power Module
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ZCU1285 Board User Guide 20
The following table lists the nominal voltage values for the MGTAVCC, MGTAVTT,
MGTVCCAUX, MGTAVCC_GTR, and MGTAVTT_GTR power rails. It also lists the maximum
current rang for each rail supplied by serial transceiver modules included with the ZCU1285
board.
Table 5: Serial Transceiver Power Modules
Serial Transceiver Rail Net
Name
MGTAVCC 0.9 12
MGTAVTT 1.2 20
MGTVCCAUX 1.8 2.5
MGTAVCC_GTR 0.85 12
MGTAVTT_GTR 1.8 2.5
Nominal Voltage (V) Maximum Current Rating (A)
The serial transceiver power rails can also be supplied externally. The external supply connectors
are listed in the table in Using External Power Sources.
CAUTION! The serial transceiver power module MUST be removed when providing external power to the GTY or
Send Feedback
PS-GTR transceiver rails.
Note: For informaon about the serial transceiver power modules, contact Maxim technical support and
ask about the MAXREFDES87#.
Zynq UltraScale+ RFSoC
The ZCU1285 board is populated with the XCZU39DR-2FFVF1760I Zynq UltraScale+ RFSoC at
U1 (callout 35, Figure 2: Board Component Locaons). For further informaon on Zynq
UltraScale+ RFSoCs, see the UltraScale Architecture and Product Data Sheet: Overview (DS890).
RFSoC Configuration
The RFSoC is congured using one of the following opons:
Chapter 1: ZCU1285 Board Features and Operation
• Digilent embedded USB JTAG connector (callout 8, Figure 2: Board Component Locaons)
• Xilinx Plaorm Cable USB II JTAG cable connector (callout 9, Figure 2: Board Component
Locaons)
The ZCU1285 board comes with an embedded USB-to-JTAG conguraon module (Digilent, J69)
which allows a host computer to access the board JTAG chain using a Standard A to Micro-B
USB cable. Alternately, a JTAG connector (J2) is available to provide access to the JTAG chain
using the Xilinx Plaorm Cable USB II or compable conguraon cable.
The JTAG chain of the board is illustrated in the following gure. By default, only the RFSoC is in
the chain. Installing a shunt at J6 adds the FMC interfaces to the chain.
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ZCU1285 Board User Guide 21
Chapter 1: ZCU1285 Board Features and Operation
Send Feedback
Figure 8: JTAG Chain
Xilinx
System Controller
XC7Z010-CLG225
Bank 34 (1.8V)
USB-JTAG
Module
MICRO-B
USB Conn.
1.8V
SYS_TCK
SYS_TMS
SYS_TDI
SYS_TDO
JTAG
Conn.
1.8V
VCCO_MIO
3.3V
DUT_TDI
FMC_TCK
FMC_TMS
Connector
(not populated)
FMC1_TDI
FMC1
VCCO_MIO
2:1
MUX
FMC2_TDI FMC3_TDI
TDI_0
FMC3_TDO
FMC2
Connector
(VCCO_HP)
TMS_0
TDO_0
FMC3
Connector
(VCCO_HD)
Bank 503 (VCCO_MIO)
PROGRAM Pushbutton
Pressing the PROGRAM pushbuon SW7 (callout 44, Figure 2: Board Component Locaons)
asserts the acve-Low program pin of the RFSoC.
Xilinx
Zynq
UltraScale+
RFSoC
X22890-060719
DONE LED
The DONE LED DS17 (callout 45, Figure 2: Board Component Locaons) indicates the state of
the DONE pin of the RFSoC. When the DONE pin is High, DS17 lights up, indicang the RFSoC
is successfully congured.
INIT LED
The dual-color INIT LED DS3 (callout 45, Figure 2: Board Component Locaons) indicates the
RFSoC inializaon status. During RFSoC inializaon the INIT LED illuminates red. When
RFSoC inializaon has completed, the LED illuminates green.
STATUS LED
The STATUS LED DS39 (callout 45, Figure 2: Board Component Locaons) indicates a secure
lockdown state. When the PS_ERROR_STATUS pin is High, DS39 lights up.
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ZCU1285 Board User Guide 22
Chapter 1: ZCU1285 Board Features and Operation
Send Feedback
ERROR LED
The ERROR LED DS40 (callout 45, Figure 2: Board Component Locaons) indicates an accidental
loss of power, an error, or an excepon in the RFSoC processor PMU. When the
PS_ERROR_OUT pin is High, DS40 lights up.
PS_POR_B Pushbutton
Pressing the PS_POR_B pushbuon SW14 (callout 15, Figure 2: Board Component Locaons)
asserts the acve-Low PS_POR_B pin of the RFSoC processor.
PS_SRST_B Pushbutton
Pressing the PS_SRST_B pushbuon SW15 (callout 15, Figure 2: Board Component Locaons)
asserts the acve-Low PS_SRST_B pin of the RFSoC processor.
Boot Mode Selection Headers
Four 3-pin headers are provided for mode pin selecon to set the boot mode for the RFSoC
processor (callout 12, Figure 2: Board Component Locaons). Install a jumper across pins 1–2
(MIO_BUS) to set a 1, and pins 2–3 (GND) to set a 0. See the following table for a complete list
of boot mode sengs.
Table 6: Boot Mode Selection
Boot Mode MODE 3 (J163) MODE 2 (J164) MODE 1 (J166) MODE 0 (J165)
JTAG 0 0 0 0
QSPI24 0 0 0 1
QSPI32 0 0 1 0
1
SD0
1
NAND
1
SD1
eMMC_18
USB 0
PJTAG_0
PJTAG_1
SD1-LS 1 1 1 0
Notes:
1. These boot modes are not directly supported by the ZCU1285 board.
1
1
1
1
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 0
0 1 1 1
1 0 0 0
1 0 0 1
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ZCU1285 Board User Guide 23
Chapter 1: ZCU1285 Board Features and Operation
Send Feedback
RFSoC Processor Reference Clock
A free-running 33.3333333 MHz clock (U12) is the clock source for the RFSoC processor
(PS_REF_CLK).
300 MHz LVDS Oscillator
A 300 MHz LVDS oscillator U145 (SiTime SIT9107AI-243N25E300.0000) connects to global
clock (GC) pins on the RFSoC. The following table lists the RFSoC pin connecons to the LVDS
oscillator.
Table 7: LVDS Oscillator GC Connections
RFSoC (U1)
Pin Function Direction
AP22 SYSTEM
CLOCK_P
AR22 SYSTEM
CLOCK_N
Input LVDS LVDS_OSC_P 4 300 MHz LVDS
Input LVDS LVDS_OSC_N 5 300 MHz LVDS
I/O
Standard
Schematic
Net Name
Pin Function Direction
Device (U145)
Output
oscillator
Output
oscillator
Differential SMA Pin Inputs
Two pairs of SMA connectors (callout 49, Figure 2: Board Component Locaons) provide access
to global clock (GC) pins on the RFSoC. The GC pins are connected to the SMA connectors as
shown in the following table.
Table 8: Differential SMA Clock Connections
RFSoC (U1)
Pin Function Direction IOSTANDARD
AP26 USER CLOCK_1_P Input LVDS CLK_DIFF_1_P J84
AR26 USER CLOCK_1_N Input LVDS CLK_DIFF_1_N J85
AT23 USER CLOCK_2_P Input LVDS CLK_DIFF_2_P J83
AT24 USER CLOCK_2_N Input LVDS CLK_DIFF_2_N J86
Schematic Net
Name
SMA Connector
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ZCU1285 Board User Guide 24
User LEDs
Eight acve-High LEDs, DS22 through DS26, and DS46 through DS48 (callout 43, Figure
2: Board Component Locaons), are connected to GPIO pins on the RFSoC. These LEDs can be
used to indicate status or other funcons. Their pinout is listed in the following table.
Table 9: User LEDs
Send Feedback
Chapter 1: ZCU1285 Board Features and Operation
RFSoC (U1)
Pin Function Direction IOSTANDARD
AM25 USER LED Output LVCMOS18 APP_LED1 DS26
AL24 USER LED Output LVCMOS18 APP_LED2 DS22
AK22 USER LED Output LVCMOS18 APP_LED3 DS23
AJ22 USER LED Output LVCMOS18 APP_LED4 DS24
AN25 USER LED Output LVCMOS18 APP_LED5 DS25
AN24 USER LED Output LVCMOS18 APP_LED6 DS46
AM23 USER LED Output LVCMOS18 APP_LED7 DS47
AL23 USER LED Output LVCMOS18 APP_LED8 DS48
Schematic Net
Name
Reference
Designator
User DIP Switches and I/O Header
The DIP switch SW3 (callout 43, Figure 2: Board Component Locaons) provides a set of eight
acve-High switches that connect to user I/O pins on the RFSoC as shown in the following table.
Use these pins to set control pins or for any other purpose. The eight I/Os also map to test
header J95 (callout 43, Figure 2: Board Component Locaons), providing external access for
these pins. The I/O pins can be connected to the onboard System Controller as addional GPIO
between the two devices.
Note: Install J7 to connect the user DIP switches to the System Controller.
Table 10: User DIP Switches
RFSoC (U1)
Pin Function Direction IOStandard
AV25 User Switch Input LVCMOS18 USER_SW1
AU25 User Switch Input LVCMOS18 USER_SW2 3 E13
AV23 User Switch Input LVCMOS18 USER_SW3 5 E11
AU23 User Switch Input LVCMOS18 USER_SW4 7 E12
AW24 User Switch Input LVCMOS18 USER_SW5 9 F13
AV24 User Switch Input LVCMOS18 USER_SW6 11 F14
BA22 User Switch Input LVCMOS18 USER_SW7 13 G15
AY22 User Switch Input LVCMOS18 USER_SW8 15 F15
Schematic
Net Name
DIP Switch
Reference
Designator
SW3
J95 Test
Header Pin
1
Device
(U38) Pin
F12
The following gure shows the user I/O connector J95 (callout 43, Figure 2: Board Component
Locaons).
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ZCU1285 Board User Guide 25
Chapter 1: ZCU1285 Board Features and Operation
Send Feedback
Figure 9: User I/O Connector J95
User Pushbuttons
SW16 and SW17 (callout 43, Figure 2: Board Component Locaons) are acve-High user
pushbuons that are connected to RFSoC I/O pins as shown in the following table. These
pushbuons can be used for any user-determined purpose.
Table 11: User Pushbuttons
RFSoC (U1)
Pin Function Direction IOSTANDARD
AM22 User pushbutton Input LVCMOS18 USER_PB1 SW16
AN26 User pushbutton Input LVCMOS18 USER_PB2 SW17
Schematic Net
Name
Reference
Designator
System Monitor
The System Monitor (SYSMON) monitors the physical environment using on-chip temperature
and supply sensors, up to 17 external analog inputs, and an integrated analog-to-digital converter
(ADC). There is a separate SYSMON for the PL and the PS. The PS SYSMON is powered using
the on-chip reference voltage (V
regulator. See the following gure for connecon details. More informaon about the system
monitor is available in the UltraScale Architecture System Monitor User Guide (UG580).
), and the PL SYSMON is powered using an external 1.25V
REF
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ZCU1285 Board User Guide 26
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