User guide

2–4 Chapter 2: EthernetBlaster II Communications Cable Administration
JTAG Clock Settings
EthernetBlaster II Communications Cable User Guide January 2014 Altera Corporation
w 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 8MHz, either click Default or select 8MHz from
the drop down menu and then click Apply.
Figure 2–3. JTAG Clock Setting Page