Xilinx VC709 User manual

April 2014

VC709 Si570 Fixed

Frequencies

XTP239

XILINX, the Xilinx logo, the Brand Window and other designated brands included herein are trademarks of Xilinx, Inc. All other trademarks are the property of

their respective owners.

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. Xilinx reserves the right to make changes, at any time, to the Information without notice and at its sole discretion. Xilinx assumes no obligation to

correct 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 provided to you in connection with the Information. XILINX MAKES NO OTHER WARRANTIES, WHETHER EXPRESS,

IMPLIED, OR STATUTORY, REGARDING THE INFORMATION, INCLUDING ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR

PURPOSE, OR NONINFRINGEMENT OF THIRD-PARTY RIGHTS.

Revision History

Date Version Description

04/16/14 5.0 Recompiled for 2014.1.

12/18/13 4.0 Recompiled for 2013.4.

10/23/13 3.0 Recompiled for 2013.3.

06/19/13 2.0 Recompiled for 2013.2

04/03/13 1.0 Initial version.

VC709 Si570 Fixed Frequency Overview

Xilinx VC709 Board

Software Requirements

Setup for the VC709 Si570 Fixed Frequency

VC709 Si570 Fixed Frequency

Changing an Si570 from 156.25 to 19.440 MHz

Other Fixed Frequencies

VC709 FMC Si570 Fixed Frequency

References

Note: This presentation applies to the VC709

VC709 Si570 Fixed Frequency Overview

Description

– The VC709 board has a Silicon Labs Si570 Programmable Oscillator that

defaults to 156.25 MHz. Via a series of bitstreams, 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 VC709

Xilinx VC709 Board

Vivado Software Requirements

Xilinx Vivado Design Suite 2014.1, Design Edition

Note: Presentation applies to the VC709

VC709 Setup

Connect a USB Type-

A to Mini-B cable to

the USB UART

connector on the

VC709 board

– Connect this cable to

your PC

VC709 Setup

Connect a USB Type-

A to Micro-B cable to

the USB JTAG

(Digilent) connector

on the VC709 board

– Connect this cable to

your PC

– Power on the VC709

board for UART Drivers

Installation

VC709 Setup

Install USB UART Drivers

– Go to http://www.silabs.com

– Search for Virtual port drivers

Note: Presentation applies to the VC709

VC709 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 VC709

VC709 Setup

Expand the Ports

Hardware

– Right-click on Silicon Labs

CP210x USB to UART

Bridge and select Properties

Note: Presentation applies to the VC709

VC709 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 VC709

VC709 Setup

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 the VC709

Setup for VC709 Si570 Fixed Frequency

Unzip the RDF0237 - VC709 Si570 Fixed Frequencies Design Files

(2014.1 C) zip file to your C:\ drive

– Available through http://www.xilinx.com/vc709

Note: Presentation applies to the VC709

VC709 Si570 Fixed Frequency

Open a Vivado Tcl Shell:

Start → All Programs → Xilinx Design Tools → Vivado 2014.1 →

Vivado 2014.1 Tcl Shell

Note: Presentation applies to the VC709

VC709 Si570 Fixed Frequency

Download the Frequency Monitor bitstream with Vivado

In the Vivado Tcl Shell type:

source

C:/vc709_si570_fixed_freq/ready_for_download/frequency_monitor.tcl

Note: Presentation applies to the VC709

VC709 Si570 Fixed Frequency

View the Debug Probes tab

– Select the probes and drag to the VIO - hw_vio_1 tab

Note: Presentation applies to the VC709

VC709 Si570 Fixed Frequency

View the 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: Presentation applies to the VC709

VC709 Si570 Fixed Frequency

Under Hardware, right click on the xc7vx690t_0 and select Program

Device…

Note: Presentation applies to the VC709

Changing Si570 from 156.25 to 19.440 MHz

Select set_19.440_mhz_si570_0.bit

Note: Presentation applies to the VC709

Page is loading ...

Xilinx VC709 User manual

Xilinx VC709 User manual

Related papers

Other documents