參數(shù)資料
型號： ADSP-TS203SABP-X
廠商： ANALOG DEVICES INC
元件分類： 數(shù)字信號處理
英文描述： TigerSHARC Embedded Processor
中文描述： 32-BIT, OTHER DSP, PBGA576
封裝： 25 X 25 MM, MS-034, EBGA-576
文件頁數(shù)： 11/40頁
文件大?。?/td> 609K
代理商： ADSP-TS203SABP-X
ADSP-TS203S
Preliminary Technical Data
Rev. PrB
|
Page 11 of 40
|
December 2003
eliminating the need to start from the very beginning, when
developing new application code. The VDK features include
Threads, Critical and Unscheduled regions, Semaphores,
Events, and Device flags. The VDK also supports Priority-based,
Preemptive, Cooperative and Time -Sliced scheduling
approaches. In addition, the VDK was designed to be scalable. If
the application does not use a specific feature, the support code
for that feature is excluded from the target system.
Because the VDK is a library, a developer can decide whether to
use it or not. The VDK is integrated into the VisualDSP++
development environment, but can also be used via standard
command line tools. When the VDK is used, the development
environment assists the developer with many error-prone tasks
and assists in managing system resources, automating the gen-
eration of various VDK based objects, and visualizing the
system state, when debugging an application that uses the VDK.
VCSE is Analog Devices’ technology for creating, using, and
reusing software components (independent modules of sub-
stantial functionality) to quickly and reliably assemble software
applications. Download components from the Web and drop
them into the application. Publish component archives from
within VisualDSP++. VCSE supports component implementa-
tion in C/C++ or assembly language.
Use the Expert Linker to visually manipulate the placement of
code and data on the embedded system. View memory utiliza-
tion in a color-coded graphical form, easily move code and data
to different areas of the DSP or external memory with the drag
of the mouse, examine run-time stack and heap usage. The
Expert Linker is fully compatible with existing Linker Definition
File (LDF), allowing the developer to move between the graphi-
cal and textual environments.
Analog Devices DSP emulators use the IEEE 1149.1 JTAG Test
Access Port of the ADSP-TS203S processor to monitor and con-
trol the target board processor during emulation. The emulator
provides full speed emulation, allowing inspection and modifi-
cation of memory, registers, and processor stacks. Nonintrusive
in-circuit emulation is assured by the use of the processor’s
JTAG interface—the emulator does not affect target system
loading or timing.
In addition to the software and hardware development tools
available from Analog Devices, third parties provide a wide
range of tools supporting the TigerSHARC processor family.
Hardware tools include TigerSHARC processor PC plug-in
cards. Third party software tools include DSP libraries, real-
time operating systems, and block diagram design tools.
DESIGNING AN EMULATOR-COMPATIBLE DSP
BOARD (TARGET)
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. 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
www.analog.com
to keep pace with improvements to emulator support.
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