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AC701 Si570 Programming Overview

Description

– The AC701 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.

Note:

Presentation applies to the AC701

Содержание AC701 Si570

Страница 1: ...April 2015 AC701 Si570 Programming XTP230...

Страница 2: ...orrect any errors contained in the Information or to advise you of any corrections or updates Xilinx expressly disclaims any liability in connection with technical support or assistance that may be pr...

Страница 3: ...ing Overview Xilinx AC701 Board Software Requirements Setup for the AC701 Si570 Programming Programming the Si570 Correcting the Frequency Programming the FMC Si570 References Note This presentation a...

Страница 4: ...1 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...

Страница 5: ...Xilinx AC701 Board...

Страница 6: ...Vivado Software Requirements Xilinx Vivado Design Suite 2015 1 Design Edition SDK Combined installer Note Presentation applies to the AC701...

Страница 7: ...AC701 Setup Connect a USB Type A to Micro B cable to the USB JTAG Digilent connector on the AC701 board Connect this cable to your PC...

Страница 8: ...AC701 Setup Connect a USB Type A to Mini B cable to the USB UART connector on the AC701 board Connect this cable to your PC Power on the AC701 board for UART Drivers Installation...

Страница 9: ...AC701 Setup Install USB UART Drivers Refer to UG1033 for Installation details Note Presentation applies to the AC701...

Страница 10: ...AC701 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 AC701...

Страница 11: ...AC701 Setup Expand the Ports Hardware Right click on Silicon Labs CP210x USB to UART Bridge and select Properties Note Presentation applies to the AC701...

Страница 12: ...AC701 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 AC701...

Страница 13: ...tup Refer to UG1036 for 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 9600 Note Presentation applies to th...

Страница 14: ...Si Labs Programmable Oscillator Calculator Download ProgOscillatorSwInstall zip Note Presentation applies to the AC701...

Страница 15: ...Setup for AC701 Si570 Programming Unzip the AC701 Si570 Programming Design Files 2015 1 C ZIP file to your C drive Available through http www xilinx com ac701 Note Presentation applies to the AC701...

Страница 16: ...AC701 Si570 Programming Open a Vivado Tcl Shell Start All Programs Xilinx Design Tools Vivado 2015 1 Vivado 2015 1 Tcl Shell Note Presentation applies to the AC701...

Страница 17: ...i570 Programming Download the Frequency Adjust bitstream with Vivado In the Vivado Tcl Shell type cd C ac701_si570_programming ready_for_download source freq_adjust tcl Note Presentation applies to th...

Страница 18: ...AC701 Si570 Programming Open the Debug Probes Note Presentation applies to the AC701...

Страница 19: ...AC701 Si570 Programming View the Debug Probes tab Select the probes and drag to the hw_vios tab Note Presentation applies to the AC701...

Страница 20: ...VIO Cores under the Debug Probes tab The VIO Probes show 200 MHz for the System Clock and 156 25 MHz for the Si570 User Clock Unsigned decimal values correspond to the frequency of each input Note Pr...

Страница 21: ...ator Calculator To use the SiLabs calculator the correct fXTAL value for each Si570 must be determined using this equation For this equation Fout 156 25 the preprogrammed frequency of the Si570s on th...

Страница 22: ...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 0x01C2BBFE487F Note The values reported by your Si570 may...

Страница 23: ...AC701 Si570 Programming The value 0x01C2BBFE487F corresponds to the contents of the Si570 s registers 7 to 12 Note Presentation applies to the AC701...

Страница 24: ...AC701 Si570 Programming Extract the HS_DIV and N1 values from 0x01C2BBFE487F HS_DIV 0b000 which corresponds to 4 N1 0b0000111 which corresponds to 8...

Страница 25: ...AC701 Si570 Programming Extract the RFREQ value from 0x01C2BBFE487F 02BBFE487F Note Presentation applies to the AC701...

Страница 26: ...AC701 Si570 Programming Open the Window Calculator Set to Scientific and Hex mode Note Presentation applies to the AC701...

Страница 27: ...AC701 Si570 Programming Enter or paste the RFREQ value 02BBFE487F Convert it to Decimal Note Presentation applies to the AC701...

Страница 28: ...AC701 Si570 Programming Divide by 2 28 This is the value for RFREQ Note Presentation applies to the AC701...

Страница 29: ...AC701 Si570 Programming For this equation Fout 156 25 RFREQ 43 7495808564126491546630859375 HSDIV 4 N1 8 Fout x HSDIV x N1 5000 fXTAL 5000 RFREQ Note Presentation applies to the AC701...

Страница 30: ...i570 Programming For this equation Divide 43 7495808564126491546630859375 by 5000 Take the reciprocal fXTAL 114 28680920190161752332043659281 Ctrl C to copy this value Note Presentation applies to the...

Страница 31: ...AC701 Si570 Programming Open the SiLabs Programmable Oscillator Calculator Select the Si570 and click OK Note Presentation applies to the AC701...

Страница 32: ...AC701 Si570 Programming Select Options Advanced...

Страница 33: ...AC701 Si570 Programming Paste in the value of fXTAL The calculator will round the number appropriately Click OK Note Presentation applies to the AC701...

Страница 34: ...AC701 Si570 Programming Enter 156 25 and click the Apply Definition button...

Страница 35: ...AC701 Si570 Programming Set the new frequency to 200 MHz and click the Create Example button...

Страница 36: ...rogramming 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...

Страница 37: ...AC701 Si570 Programming Press a key to begin entering the newly calculated values When done press w Note Presentation applies to the AC701...

Страница 38: ...AC701 Si570 Programming Si570 has been successfully updated Note Presentation applies to the AC701...

Страница 39: ...AC701 Si570 Programming The Si570 User Clock now shows 200 00 MHz Note Presentation applies to the AC701...

Страница 40: ...AC701 Si570 Programming If needed press SW8 to reset the MicroBlaze process Instead of reloading the bitstream also acts as a CPU Reset...

Страница 41: ...Programming the FMC Si570...

Страница 42: ...101 XM104 and XM105 have 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 outp...

Страница 43: ...Xilinx XM101 FMC Module The XM101 board uses an on board IIC switch...

Страница 44: ...Xilinx XM104 FMC Module The XM104 board has an on board IIC switch...

Страница 45: ...Xilinx XM105 FMC Module The XM105 board has a direct connection to the Si570 IIC Note FMC_TDI and FMC_TDO J5 6 7 must be connected during configuration...

Страница 46: ...AC701 FMC Si570 Programming Attach your FMC board XM101 XM104 or XM105 to the FMC HPC expansion port on the AC701 Turn AC701 power off while installing the FMC boards...

Страница 47: ...ming For this example an XM105 board has been connected to the FMC HPC port In a Vivado Tcl Shell type cd C ac701_si570_programming ready_for_download source frequency_fmc_monitor tcl Note Presentatio...

Страница 48: ...AC701 FMC Si570 Programming Open the Debug Probes Note Presentation applies to the AC701...

Страница 49: ...AC701 FMC Si570 Programming View the Debug Probes Select the probes and drag to the hw_vios tab Note Presentation applies to the AC701...

Страница 50: ...AC701 FMC Si570 Programming An XM105 board on the FMC HPC port shows 156 25 MHz on FMC_HPC_CLK0 Note Presentation applies to the AC701...

Страница 51: ...AC701 FMC Si570 Programming Under Hardware right click on the xc7a200t_0 and select Program Device Note Presentation applies to the AC701...

Страница 52: ...70 Programming Select a bitstream that matches your FMC Board FMC port configuration e g xm101_hpc bit xm104_lpc bit etc Also select the Debug Probes file debug_nets_fmc ltx Note Presentation applies...

Страница 53: ...g 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 0x01C2BC1573BB Note The values reported by your Si570 m...

Страница 54: ...amming Use the Si570 Calibration procedure noted earlier in this document to determine the values to enter Press a key to begin entering the newly calculated values When done press w Note Presentation...

Страница 55: ...AC701 FMC Si570 Programming Si570 has been successfully updated Note Presentation applies to the AC701...

Страница 56: ...AC701 FMC Si570 Programming The XM105 board on FMC HPC now shows 200 MHz Note Presentation applies to the AC701...

Страница 57: ...AC701 with FMC XM Boards...

Страница 58: ...AC701 with FMC XM Boards AC701 with XM101 on the FMC HPC port Note Presentation applies to the AC701...

Страница 59: ...AC701 with FMC XM Boards AC701 with XM104 on the FMC HPC port Note Presentation applies to the AC701...

Страница 60: ...AC701 with FMC XM Boards AC701 with XM105 on the FMC HPC port Note Presentation applies to the AC701...

Страница 61: ...References...

Страница 62: ...pdf FMC XM104 Documentation FMC XM104 Connectivity Card http www xilinx com products boards and kits hw fmc xm104 g html FMC XM104 Connectivity Card User Guide UG536 http www xilinx com support docume...

Страница 63: ...abs com Support 20Documents TechnicalDocs si570 pdf Vivado Programming and Debugging Vivado Design Suite Programming and Debugging User Guide UG908 http www xilinx com support documentation sw_manuals...

Страница 64: ...Documentation...

Страница 65: ...nswers 51456 htm AC701 Documentation Artix 7 FPGA AC701 Evaluation Kit http www xilinx com products boards and kits ek a7 ac701 g html AC701 Getting Started Guide UG967 http www xilinx com support doc...

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