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ADSP-TS201SYBPZ050 Datasheet(PDF) 11 Page - Analog Devices |
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ADSP-TS201SYBPZ050 Datasheet(HTML) 11 Page - Analog Devices |
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11 / 48 page  ADSP-TS201S Rev. C | Page 11 of 48 | December 2006 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, pre- emptive, 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. It also is used for downloading components from the Web, dropping them into the application, and publishing component archives from within VisualDSP++. VCSE supports component implementation 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 use in a color-coded graphical form, easily move code and data to differ- ent areas of the DSP or external memory with a drag of the mouse, and examine runtime stack and heap usage. The expert linker is fully compatible with existing linker definition file (LDF), allowing the developer to move between the graphical and textual environments. Analog Devices DSP emulators use the IEEE 1149.1 JTAG test access port of the ADSP-TS201S 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. EVALUATION KIT Analog Devices offers a range of EZ-KIT Lite ®† evaluation plat- 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 processor 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 standalone 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 custom-defined system. Connecting one of Analog Devices JTAG emulators to the EZ-KIT Lite board enables high speed, nonintrusive emulation. DESIGNING AN EMULATOR-COMPATIBLE DSP BOARD (TARGET) The Analog Devices family of emulators are tools that every DSP developer needs in order 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 on the Analog Devices website (www.analog.com)— use the string “EE-68” in site search. This document is updated regularly to keep pace with improvements to emulator support. ADDITIONAL INFORMATION This data sheet provides a general overview of the ADSP-TS201S processor’s architecture and functionality. For detailed information on the ADSP-TS201S processor’s core architecture and instruction set, see the ADSP-TS201 Tiger- SHARC Processor Hardware Reference and the ADSP-TS201 TigerSHARC Processor Programming Reference. For detailed information on the development tools for this processor, see the VisualDSP++ User’s Guide for TigerSHARC Processors. † EZ-Kit Lite is a registered trademark of Analog Devices, Inc. |
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