Xilinx ML630 Si570 User manual

© Copyright 2012 Xilinx
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
1

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
1
2

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
1

ML630 Si570 Fixed Frequency
Open ChipScope Pro and select JTAG Chain -> USB Cable… (1)
Verify 12 MHz operation and click OK (2)
1
2
Note: Presentation applies to the ML630