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2-8 Copyright © 2003-2007 ARM Limited. All rights reserved. ARM DUI 0224F
2.3 Connecting JTAG debugging equipment
You can use JTAG debugging equipment and the JTAG connector, or the USB debug
port, to:
• connect a debugger to the ARM926EJ-S core and download programs to memory
and debug them
• program new configuration images into the configuration flash, FPGA, and PLDs
on the board. (You cannot program the normal flash from configuration mode.)
The setup for using a JTAG interface with the PB926EJ-S is shown in Figure 2-2.
Figure 2-2 JTAG connection
The setup for using the USB debug port on the PB926EJ-S is shown in Figure 2-3 on
page 2-9. The PB926EJ-S contains logic that interfaces the USB debug port to the
onboard JTAG signals.