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expert linker is fully compatible with existing linker definition
file (LDF), allowing the developer to move between the graphi-
cal and textual environments.
In addition to the software development tools available from
Analog Devices, third parties provide a wide range of tools sup-
porting the SHARC processor family. Third party software tools
include DSP libraries, real-time operating systems, and block
diagram design tools.
Analog Devices offers a range of EZ-KIT Lite
forms to use as a cost-effective method to learn more about
developing or prototyping applications with Analog Devices
processors, platforms, and software tools. Each EZ-KIT Lite
includes an evaluation board along with an evaluation suite of
the VisualDSP++ development and debugging environment
with the C/C++ compiler, assembler, and linker. Also included
are sample application programs, power supply, and a USB
cable. All evaluation versions of the software tools are limited
for use only with the EZ-KIT Lite product.
The USB controller on the EZ-KIT Lite board connects the
board to the USB port of the user’s PC, enabling the
VisualDSP++ evaluation suite to emulate the on-board proces-
sor in-circuit. This permits the customer to download, execute,
and debug programs for the EZ-KIT Lite system. It also allows
in-circuit programming of the on-board flash device to store
user-specific boot code, enabling the board to run as a standal-
one unit, without being connected to the PC.
With a full version of VisualDSP++ installed (sold separately),
engineers can develop software for the EZ-KIT Lite or any cus-
tom-defined system. Connecting an Analog Devices JTAG
emulator to the EZ-KIT Lite board enables high speed, nonin-
DESIGNING AN EMULATOR-COMPATIBLE DSP
The Analog Devices family of emulators are tools that every
DSP developer needs to test and debug hardware and software
systems. Analog Devices has supplied an IEEE 1149.1 JTAG test
access port (TAP) on each JTAG DSP. Nonintrusive in-circuit
emulation is assured by the use of the processor’s JTAG inter-
face—the emulator does not affect target system loading or tim-
ing. The emulator uses the TAP to access the internal features of
the DSP, allowing the developer to load code, set breakpoints,
observe variables, observe memory, and examine registers. The
DSP must be halted to send data and commands, but once an
operation has been completed by the emulator, the DSP system
is set running at full speed with no impact on system timing.
To use these emulators, the target board must include a header
that connects the DSP’s JTAG port to the emulator.
For details on target board design issues including mechanical
layout, single processor connections, multiprocessor scan
chains, signal buffering, signal termination, and emulator pod
logic, see the EE-68: Analog Devices JTAG Emulation Technical
Reference on the Analog Devices website (www.analog.com)—
use site search on “EE-68.” This document is updated regularly
to keep pace with improvements to emulator support.
This data sheet provides a general overview of the ADSP-2106x
architecture and functionality. For detailed information on the
ADSP-21000 family core architecture and instruction set, refer
to the ADSP-2106x SHARC User’s Manual, Revision 2.1.
EZ-KIT Lite is a registered trademark of Analog Devices, Inc.
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