Changing the jtag clock frequency, Changing the jtag clock frequency –4 – Altera EthernetBlaster II User Manual

Page 22

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Chapter 2: EthernetBlaster II Communications Cable Administration

JTAG Clock Settings

EthernetBlaster II Communications Cable User Guide

January 2014

Altera Corporation

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Use caution when changing the JTAG clock setting from the default setting—even if a
device supports a higher frequency, your board design also affects the maximum
operating frequency of your cable.

Changing the JTAG Clock Frequency

To change the JTAG clock frequency, use the following steps:

1. In your browser, open and log into the EthernetBlaster II administrative web page.

2. Click the JTAG Clock Setting tab (

Figure 2–3

).

a. The value shown in the Select Clock Frequency option is the JTAG clock

frequency that the cable is currently set to.

3. To change the frequency, select a value from the drop down menu, then click

Apply

.

4. To return to the default value of 8 MHz, either click Default or select 8 MHz from

the drop down menu and then click Apply.

Figure 2–3. JTAG Clock Setting Page

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