Download
Share
Print this page
  1. Manuals
  2. Brands
  3. Xilinx Manuals
  4. Motherboard
  5. ZC702 Si570
  6. Programming overview

Xilinx ZC702 Si570 Programming Overview

Hide thumbs

Advertisement

Quick Links

Download this manual
ZC702 Si570 Programming
November 2014
XTP181

Advertisement

loading

Related Manuals for Xilinx ZC702 Si570

Summary of Contents for Xilinx ZC702 Si570

  • Page 1 ZC702 Si570 Programming November 2014 XTP181...

  • Page 2: Revision History

    NOTICE OF DISCLAIMER: The information disclosed to you hereunder (the “Information”) is provided “AS-IS” with no warranty of any kind, express or implied. Xilinx does not assume any liability arising from your use of the Information. You are responsible for obtaining any rights you may require for your use of this Information.
  • Page 3 ZC702 Si570 Programming Overview Xilinx ZC702 Board Software Requirements Setup for the ZC702 Si570 Programming Programming the Si570 Calibrating the Frequency References Note: This presentation applies to the ZC702...
  • Page 4 ZC702 Si570 Programming Overview Description – The ZC702 board has a Silicon Labs Si570 Programmable Oscillator that defaults to 156.25 MHz. Via the IIC bus, the frequency of this device can be changed. This tutorial shows how to change the output frequency of this device.
  • Page 5 Xilinx ZC702 Board...

  • Page 6: Vivado Software Requirements

    Vivado Software Requirements Xilinx Vivado Design Suite 2014.4, Design Edition + SDK – Combined installer Note: Presentation applies to the ZC702...
  • Page 7 ZC702 Setup Connect a USB Type- A to Micro-B cable to the USB JTAG (Digilent) connector on the ZC702 board – Connect this cable to your PC – Set the JTAG Select Switch, SW10, to 01 – If using a Platform Cable USB (II) JTAG Cable, set SW10 to 10 Note: Presentation applies to the ZC702...
  • Page 8 ZC702 Setup Connect a USB Type- A to Mini-B cable to the USB UART connector on the ZC702 board – Connect this cable to your PC – Power on the ZC702 board for UART Drivers Installation Note: Presentation applies to the ZC702...
  • Page 9 ZC702 Setup Install USB UART Drivers – Refer to UG1033 for details on installing the USB to UART Drivers Note: Presentation applies to the ZC702...
  • Page 10 ZC702 Setup Reboot your PC if necessary Right-click on My Computer and select Properties – Select the Hardware tab – Click on Device Manager Note: Presentation applies to the ZC702...
  • Page 11 ZC702 Setup Expand the Ports Hardware – Right-click on Silicon Labs CP210x USB to UART Bridge and select Properties Note: Presentation applies to the ZC702...
  • Page 12 ZC702 Setup Under Port Settings tab – Click Advanced – Set the COM Port to an open Com Port setting from COM1 to COM4 Note: Presentation applies to the ZC702...
  • Page 13 ZC702 Setup Refer to UG1036 regarding Tera Term installation Board Power must be on before starting Tera Term Start the Terminal Program – Select your USB Com Port – Set the baud to 115200 Note: Presentation applies to the ZC702...
  • Page 14 Si Labs Programmable Oscillator Calculator Download and install ProgOscillatorSwInstall.zip Note: Presentation applies to the ZC702...
  • Page 15 Setup for ZC702 Si570 Programming Unzip the ZC702 Si570 Programming Design Files (2014.4 C) ZIP file – Available through http://www.xilinx.com/zc702 – It is recommended to unzip these design files to C:\ for SDK compatibility Note: Presentation applies to the ZC702...
  • Page 16 ZC702 Si570 Programming Download the Si570 bitstream and ELF files In a Windows CMD prompt type: cd C:\zc702_si570_programming\ready_for_download zc702_si570.bat Note: AR47530 has been applied to the download script...
  • Page 17 ZC702 Si570 Programming Connect a scope to J63 (PMOD1), pins 4 and 6 to measure the frequency Si570 Power on frequency is 156.25 MHz Frequency is divided by 10 in the Zynq PL Measured frequency on these two pins will be ~15.625 MHz...
  • Page 18 ZC702 Si570 Programming For this example, Si570_0 will be reprogrammed from 156.25 to 200 – This requires use of the SiLabs Programmable Oscillator Calculator To use the SiLabs calculator, the correct fXTAL value for each Si570 must be determined, using this equation: For this equation, –...
  • Page 19 ZC702 Si570 Programming The terminal window shows the current register settings for the Si570 – The power-on values will appear in the terminal window – Note the value of 0x01C2BBFFFBA4 Note: The values reported by your Si570 may differ from those shown...
  • Page 20 ZC702 Si570 Programming The value, 0x01C2BBFFFBA4, corresponds to the contents of the Si570’s registers, 7 to 12: Note: Presentation applies to the ZC702...
  • Page 21 ZC702 Si570 Programming Extract the HS_DIV and N1 values from 0x01C2BBFFFBA4 : HS_DIV = 0b000 which corresponds to “4” N1 = 0b0000111 which corresponds to “8” Note: Presentation applies to the ZC702...
  • Page 22 ZC702 Si570 Programming Extract the RFREQ value from 0x01C2BBFFFBA4 : – 02BBFFFBA4 Note: Presentation applies to the ZC702...
  • Page 23 ZC702 Si570 Programming Open the Window Calculator Set to Scientific and Hex mode: Note: Presentation applies to the ZC702...
  • Page 24 ZC702 Si570 Programming Enter or paste the RFREQ value, 02BBFEA811: Convert it to Decimal Note: Presentation applies to the ZC702...
  • Page 25 ZC702 Si570 Programming Divide by 2^28 This is the value for RFREQ: Note: Presentation applies to the ZC702...
  • Page 26 ZC702 Si570 Programming For this equation, – Fout = 156.25 – RFREQ = 43.74999584257602691650390625 – HSDIV = 4 – N1 = 8 – Fout x HSDIV x N1 = 5000 – fXTAL = 5000 / RFREQ Note: Presentation applies to the ZC702...
  • Page 27 ZC702 Si570 Programming For this equation, – Divide 43.74999584257602691650390625 by 5000 – Take the reciprocal – fXTAL = 114.28572514592488006627271464555 – Ctrl-C to copy this value Note: Presentation applies to the ZC702...
  • Page 28 ZC702 Si570 Programming Open the SiLabs Programmable Oscillator Calculator – Select the Si570 and click OK Note: Presentation applies to the ZC702...
  • Page 29 ZC702 Si570 Programming Select Options -> Advanced…...
  • Page 30 ZC702 Si570 Programming Paste in the value of fXTAL – The calculator will round the number appropriately – This allows us to calibrate the Si570 to a new frequency – Click OK Note: Presentation applies to the ZC702...
  • Page 31 ZC702 Si570 Programming Enter 156.25 under Definition and click the Apply Definition button...
  • Page 32 ZC702 Si570 Programming Set the new frequency to 200 MHz and click the Create Example button...
  • Page 33 ZC702 Si570 Programming Under the summary tab, the new register configurations are shown The startup register configurations will vary slightly from the actual device power-on programming Note: Presentation applies to the ZC702...
  • Page 34 ZC702 Si570 Programming Press a key to begin entering the newly calculated values When done, press “w” Note: Presentation applies to the ZC702...
  • Page 35 ZC702 Si570 Programming Si570 has been successfully updated Note: Presentation applies to the ZC702...
  • Page 36 ZC702 Si570 Programming Measured frequency will be ~20.00 MHz Note: Presentation applies to the ZC702...
  • Page 37 References...
  • Page 38 References Silicon Labs – Si570 Data Sheet • http://www.silabs.com/Support%20Documents/TechnicalDocs/si570.pdf...
  • Page 39 Documentation...
  • Page 40 Documentation Zynq-7000 – Zynq-7000 All Programmable SoC • http://www.xilinx.com/products/silicon-devices/soc/zynq-7000/index.htm ZC702 Documentation – Xilinx Zynq-7000 SoC ZC702 Evaluation Kit • http://www.xilinx.com/products/boards-and-kits/EK-Z7-ZC702-G.htm – ZC702 Hardware User Guide – UG850 • http://www.xilinx.com/support/documentation/boards_and_kits/ zc702_zvic/ug850-zc702-eval-bd.pdf – ZC702 Getting Started Guide – UG926 • http://www.xilinx.com/support/documentation/boards_and_kits/ zynq-7000/zc702_gsg/v3_0/UG926_Z7_ZC702_Eval_Kit.pdf...