Xilinx Ml630 si570 User manual

ML630 Si570 Fixed Frequencies

March 2012

XTP120

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Revision History

Date Version Description

03/16/12 13.4 Updated for 13.4

10/26/11 13.3 Updated for 13.3.

08/30/11 13.2 Initial version.

ML630 Si570 Fixed Frequency Overview

Xilinx ML630 Board

Software Requirements

Setup for the ML630 Si570 Fixed Frequency

ML630 Si570 Fixed Frequency

Changing an Si570 from 156.25 to 19.440 MHz

Other Fixed Frequencies

References

Note: This presentation applies to the ML630

ML630 Si570 Fixed Frequency Overview

Description

–The ML630 board has six Silicon Labs Si570 Programmable Oscillators that

default to 156.25 MHz. Via a series of bitstreams, the frequency of these

devices can be changed. This tutorial shows how to change the output

frequency of these devices.

Note: Presentation applies to the ML630

Xilinx ML630 Board

Note: Presentation applies to the ML630

ISE Software Requirements

Xilinx ISE 13.4 software

Note: Presentation applies to the ML630

ChipScope Pro Software Requirement

Xilinx ChipScope Pro 13.4 software

Note: Presentation applies to the ML630

ML630 Setup

Install USB UART Drivers

–CP210x_VCP_Win_XP_S2K3_Vista_7.exe

Note: Presentation applies to the ML630

ML630 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 ML630

ML630 Setup

Expand the Ports

Hardware

–Right-click on Silicon Labs

CP210x USB to UART

Bridge and select Properties

Note: Presentation applies to the ML630

ML630 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 ML630

ML630 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: Tera Term may need to be restarted if board power is cycled

Setup for ML630 Si570 Fixed Frequency

Unzip the ML630 Si570 Fixed Frequencies Design Files (13.4 C) to

your C:\ drive

–Available through http://www.xilinx.com/ml630

Note: Presentation applies to the ML630

Setup for ML630 Si570 Fixed Frequency

Important: Set the power switch, SW1, to OFF first

The ML630 uses two power supplies; connect both power supplies

–Use a power strip to turn on both power supplies simultaneously

Only after the two power supplies are on, turn on the power switch

Note: Presentation applies to the ML630

Setup for ML630 Si570 Fixed Frequency

When powering down, turn the power switch off, then turn off the

power strip

–Always follow this sequence when cycling power to the ML630

Leave the power off for now

Note: Presentation applies to the ML630

Setup for ML630 Si570 Fixed Frequency

Connect a USB Type-A to Mini-B cable to the USB JTAG connector

on the ML630 board

–Connect this cable to your PC

Note: Presentation applies to the ML630

Setup for ML630 Si570 Fixed Frequency

Connect a USB Type-A to Mini-B cable to the U2 USB UART

connector on the ML630 board

–Connect this cable to your PC

Setup for ML630 Si570 Fixed Frequency

Connect J117 and J14 to pins “U2” (1)

–This selects U2 as the IIC master

Connect J121 across pins 1 & 2 (2)

–This selects the Si570_0, 1, and 2 as GTH clocks

Note: Presentation applies to the ML630

Setup for ML630 Si570 Fixed Frequency

Set the power switch, SW1, to OFF (1)

Turn on the power strip (with the two ML630 power supplies)

Turn on the power switch (1)

Note: Presentation applies to the ML630

ML630 Si570 Fixed Frequency

Open ChipScope Pro and select JTAG Chain -> USB Cable… (1)

Verify 12 MHz operation and click OK (2)

Note: Presentation applies to the ML630

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