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Example show, how to reconfigure SI5338 with MCS and monitor CLK. Additional MicroBlaze is add for Hello TE0741 example.

Key Features

  • MGT
  • SI5338 initialisation with MCS

Revision History

DateVivadoProject BuiltAuthorsDescription
John Hartfiel
  • REV02 Board parts
  • new SI5338 configuration (default REV02)
  • change xilisf_v5_9 for N25Q512A11G1240E support
  • Some changes on block design
John Hartfiel
  • initial release

Release Notes and Know Issues

IssuesDescriptionWorkaroundTo be fixed version





Basic description of TE Board Part Files is available on TE Board Part Files.

Complete List is available on <design name>/board_files/*_board_files.csv

Design supports following modules:

Module ModelBoard Part Short NamePCB Revision SupportDDRQSPI FlashOthersNotes
TE0841-01-035-1C 01_35_1cREV012x 512MB DDR432MB---
TE0841-01-035-1I01_35_1iREV012x 512MB DDR432MB---
TE0841-01-035-2I01_35_2iREV012x 512MB DDR432MB---
TE0841-01-040-1C01_40_1cREV012x 512MB DDR432MB---
TE0841-01-040-1I01_40_1iREV012x 512MB DDR432MB---
TE0841-01-040-2I01_40_2iREV012x 512MB DDR432MB---
TE0841-02-035-1C02_35_1cREV022x 1GB DDR464MB---
TE0841-02-035-1I02_35_1iREV022x 1GB DDR464MB---
TE0841-02-035-2I02_35_2iREV022x 1GB DDR464MB---
TE0841-02-040-1C02_40_1cREV022x 1GB DDR464MB---
TE0841-02-040-1I02_40_1iREV022x 1GB DDR464MB---
TE0841-02-040-1IL02_40_1iREV022x 1GB DDR464MBlow profile B2B connector

Design supports following carriers:

Carrier ModelNotes
TEBA0841 used as reference carrier

Additional HW Requirements:

Additional HardwareNotes
USB Cable for JTAG/UARTCheck Carrier Board and Programmer for correct type
XMOD ProgrammerCarrier Board dependent, only if carrier has no own FTDI
Heat sinkIt's recommended to use heat sink for this design


For general structure and of the reference design, see Project Delivery

Design Sources

Vivado<design name>/block_design
<design name>/constraints
<design name>/ip_lib
<design name>/firmware
Vivado Project will be generated by TE Scripts
SDK/HSI<design name>/sw_libAdditional Software Template for SDK/HSI and apps_list.csv with settings for HSI

Additional Sources

 SI5338 Project \misc\SI5338





BIT-File*.bitFPGA (PL Part) Configuration File
DebugProbes-File*.ltxDefinition File for Vivado/Vivado Labtools Debugging Interface
Diverse Reports---Report files in different formats
Hardware-Platform-Specification-Files*.hdfExported Vivado Hardware Specification for SDK/HSI and PetaLinux
LabTools Project-File*.lprVivado Labtools Project File



Flash Configuration File with Boot-Image (MicroBlaze or FPGA part only)



File with BRAM-Location to generate MCS or BIT-File with *.elf content (MicroBlaze only)

Software-Application-File*.elfSoftware Application for Zynq or MicroBlaze Processor Systems


Reference Design is only usable with the specified Vivado/SDK/PetaLinux/SDx version. Do never use different Versions of Xilinx Software for the same Project.

Reference Design is available on:

Design Flow

Reference Design is available with and without prebuilt files. It's recommended to use TE prebuilt files for first lunch.

Trenz Electronic provides a tcl based built environment based on Xilinx Design Flow.

See also:Vivado/SDK/SDSoC

The Trenz Electronic FPGA Reference Designs are TCL-script based project. Command files for execution will be generated with "_create_win_setup.cmd" on Windows OS and "" on Linux OS.

TE Scripts are only needed to generate the vivado project, all other additional steps are optional and can also executed by Xilinx Vivado/SDK GUI.  For currently Scripts limitations on Win and Linux OS see: Project Delivery Currently limitations of functionality

  1. _create_win_setup.cmd/ and follow instructions on shell:
  2. Press 0 and enter for minimum setup
  3. (optional Win OS) Generate Virtual Drive or use short directory  for the reference design (for example x:\<design name>)
  4. Create Project
    1. Select correct device and Xilinx install path on "design_basic_settings.cmd" and create Vivado project with "vivado_create_project_guimode.cmd"
      Note: Select correct one, see TE Board Part Files
  5. Create HDF and export to prebuilt folder
    1. Run on Vivado TCL: TE::hw_build_design -export_prebuilt
      Note: Script generate design and export files into \prebuilt\hardware\<short dir>. Use GUI is the same, except file export to prebuilt folder
  6. Generate MCS Firmware (optional):
    1. Create SDK Project with TE Scripts on Vivado TCL: TE::sw_run_sdk
    2. Create "SCU" application
      Note: Select MCS Microblaze and SCU Application
    3. Select Release Built
    4. Regenerate App
  7. (optional) Copy "\\workspace\sdk\scu\Release\scu.elf" into  "\firmware\microblaze_mcs_0\"
  8. Regenerate Vivado Project or Update Bitfile only and "scu.elf"
  9. Copy MCS file with Bitfile into prebuilt folder
    1. Create SDK Project with TE Scripts on Vivado TCL: TE::sw_run_hsi



Check Module and Carrier TRMs for proper HW configuration before you try any design.

Xilinx documentation for programming and debugging: Vivado/SDK/SDSoC-Xilinx Software Programming and Debugging


  1. Connect JTAG and power on PCB
  2. (if not done) Select correct device and Xilinx install path on "design_basic_settings.cmd" and create Vivado project with "vivado_create_project_guimode.cmd" or open with "vivado_open_project_guimode.cmd", if generated.
  3. Type on Vivado Console: TE::pr_program_flash_mcsfile -swapp
    Note: Alternative use SDK or setup Flash on Vivado manually
  4. Reboot (if not done automatically)


Not used on this Example.


  1. Connect JTAG and power on PCB
  2. Open Vivado HW Manager
  3. Program FPGA with Bitfile from "prebuilt\hardware\<short dir>"


  1. Prepare HW like described on section Programming
  2. Connect UART USB (most cases same as JTAG)
  3. Power on PCB
    Note: FPGA Loads Bitfile from Flash,MCS Firmware configure SI5338 and starts IBERT.
              Do not reboot, if Bitfile programming over JTAG is used as programming method.
    1. On TE0841 SI5338 has default configuration and reprogramming of SI5338 is optional
  4. LED:
    1. D1 (green) OFF→ MCS SI configuration finished (System Reset is off)

Vivado HW Manager: 

  1. Open Vivado HW-Manager 
  2. "Refresh device" is needed after Bitfile programming, because MCS reconfigure SI5338 and enables IBERT a little bit later.
    1. loopback depends on TEB0841 Revision an connection


Component Name

Net NameTEB0841
X0Y0224-0MGT4loop back RX/TX
X0Y1224-1MGT5loop back RX/TX
X0Y2224-2MGT6loopback over SD Pin header possible with lower Linerate otherwise use internal loopback
X0Y3224-3MGT7loop back RX/TX. Note: N.C. on TEB0841-01, use  internal loopback
X0Y4225-0MGT0loop back RX/TX
X0Y5225-1MGT1loop back RX/TX
X0Y6225-2MGT2loop back RX/TX
X0Y7225-3MGT3loopback over sfp possible

System Design - Vivado

Block Design


  • IBERT_top.v
  • ibert xci IPs


Basic module constrains

set_property BITSTREAM.GENERAL.COMPRESS TRUE [current_design]
set_property BITSTREAM.CONFIG.CONFIGRATE 69 [current_design]
set_property CFGBVS GND [current_design]
set_property CONFIG_VOLTAGE 1.8 [current_design]
set_property CONFIG_MODE SPIx4 [current_design]
set_property BITSTREAM.CONFIG.SPI_32BIT_ADDR YES [current_design]
set_property BITSTREAM.CONFIG.SPI_BUSWIDTH 4 [current_design]
set_property BITSTREAM.CONFIG.M1PIN PULLNONE [current_design]
set_property BITSTREAM.CONFIG.M2PIN PULLNONE [current_design]
set_property BITSTREAM.CONFIG.M0PIN PULLNONE [current_design]

set_property BITSTREAM.CONFIG.USR_ACCESS TIMESTAMP [current_design]

Design specific constrain

# file: ibert_ultrascale_gth_0.xdc
##   ____  ____ 
##  /   /\/   /
## /___/  \  /    Vendor: Xilinx
## \   \   \/     Version : 2012.3
##  \   \         Application : IBERT Ultrascale
##  /   /         Filename : example_ibert_ultrascale_gth_0.xdc
## /___/   /\     
## \   \  /  \ 
##  \___\/\___\
## Generated by Xilinx IBERT 7Series 
## Icon Constraints
create_clock -name D_CLK -period 10.0 [get_ports gth_sysclkp_i]
set_clock_groups -group [get_clocks D_CLK -include_generated_clocks] -asynchronous
set_property C_CLK_INPUT_FREQ_HZ 100000000 [get_debug_cores dbg_hub]
set_property C_ENABLE_CLK_DIVIDER true [get_debug_cores dbg_hub]

##gth_refclk lock constraints
set_property PACKAGE_PIN AD6 [get_ports gth_refclk0p_i[0]]
set_property PACKAGE_PIN AD5 [get_ports gth_refclk0n_i[0]]
set_property PACKAGE_PIN AB6 [get_ports gth_refclk1p_i[0]]
set_property PACKAGE_PIN AB5 [get_ports gth_refclk1n_i[0]]
## Refclk constraints
create_clock -name gth_refclk0_0 -period 8.0 [get_ports gth_refclk0p_i[0]]
create_clock -name gth_refclk1_0 -period 8.0 [get_ports gth_refclk1p_i[0]]
set_clock_groups -group [get_clocks gth_refclk0_0 -include_generated_clocks] -asynchronous
set_clock_groups -group [get_clocks gth_refclk1_0 -include_generated_clocks] -asynchronous
## System clock pin locs and timing constraints
#set_property PACKAGE_PIN R25 [get_ports gth_sysclkp_i]
#set_property IOSTANDARD LVDS [get_ports gth_sysclkp_i]

Software Design - SDK/HSI

For SDK project creation, follow instructions from:

SDK Projects



MCS Firmware to configure SI5338 and Reset System.

Template location: \sw_lib\sw_apps\scu

Additional Software


Download  ClockBuilder Desktop for SI5338

  1. Install and start ClockBuilder
  2. Select SI5338
  3. Options → Open register map file
    Note: File location <design name>/misc/Si5338/RegisterMap.txt
  4. Modify settings
  5. Options → save C code header files
  6. Replace Header files from SCU template with generated file

Appx. A: Change History and Legal Notices

Document Change History

To get content of older revision  got to "Change History"  of this page and select older document revision number.

DateDocument RevisionAuthorsDescription


  • Design update
  • new assembly variants (PCB REV02)

v.4John Hartfiel
  • Release 2017.4
  • Initial release


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