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ADSP-21061KSZ-133 Datasheet(PDF) 7 Page - Analog Devices |
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ADSP-21061KSZ-133 Datasheet(HTML) 7 Page - Analog Devices |
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7 / 52 page  ADSP-21061/ADSP-21061L Rev. D | Page 7 of 52 | May 2013 Program Booting The internal memory of the ADSP-21061 can be booted at sys- tem power-up from either an 8-bit EPROM, or a host processor. Selection of the boot source is controlled by the BMS (boot memory select), EBOOT (EPROM boot), and LBOOT (host boot) pins. 32-bit and 16-bit host processors can be used for booting. PORTING CODE FROM THE ADSP-21060 OR ADSP-21062 The ADSP-21061 is pin compatible with the ADSP-21060/ ADSP-21061/ADSP-21062 processors. The ADSP-21061 pins that correspond to the link port pins of the ADSP-21060/ ADSP-21062 are no-connects. The ADSP-21061 is object code compatible with the ADSP-21060/ADSP-21062 processors except for the following functional elements: • The ADSP-21061 memory is organized into two blocks with eight columns that are 4k deep per block. The ADSP-21060/ADSP-21062 memory has 16 columns per block. • Link port functions are not available. • Handshake external port DMA pins DMAR2 and DMAG2 are assigned to external port DMA Channel 6 instead of Channel 8. • 2-D DMA capability of the SPORT is not available. • The modify registers in SPORT DMA are not programmable. On the ADSP-21061, Block 0 starts at the beginning of internal memory, normal word address 0x0002 0000. Block 1 starts at the end of Block 0, with contiguous addresses. The remaining addresses in internal memory are divided into blocks that alias into Block 1. This allows any code or data stored in Block 1 on the ADSP-21062 to retain the same addresses on the ADSP- 21061—these addresses will alias into the actual Block 1 of each processor. If you develop your application using the ADSP-21062, but will migrate to the ADSP-21061, use only the first eight columns of each memory bank. Limit your application to 8k of instructions or up to 16k of data in each bank of the ADSP-21062, or any combination of instructions or data that does not exceed the memory bank. DEVELOPMENT TOOLS Analog Devices supports its processors with a complete line of software and hardware development tools, including integrated development environments (which include CrossCore ® Embed- ded Studio and/or VisualDSP++ ®), evaluation products, emulators, and a wide variety of software add-ins. Integrated Development Environments (IDEs) For C/C++ software writing and editing, code generation, and debug support, Analog Devices offers two IDEs. The newest IDE, CrossCore Embedded Studio, is based on the Eclipse TM framework. Supporting most Analog Devices proces- sor families, it is the IDE of choice for future processors, including multicore devices. CrossCore Embedded Studio seamlessly integrates available software add-ins to support real time operating systems, file systems, TCP/IP stacks, USB stacks, algorithmic software modules, and evaluation hardware board support packages. For more information visit www.analog.com/cces. The other Analog Devices IDE, VisualDSP++, supports proces- sor families introduced prior to the release of CrossCore Embedded Studio. This IDE includes the Analog Devices VDK real time operating system and an open source TCP/IP stack. For more information visit www.analog.com/visualdsp. Note that VisualDSP++ will not support future Analog Devices processors. EZ-KIT Lite Evaluation Board For processor evaluation, Analog Devices provides wide range of EZ-KIT Lite ® evaluation boards. Including the processor and key peripherals, the evaluation board also supports on-chip emulation capabilities and other evaluation and development features. Also available are various EZ-Extenders ®, which are daughter cards delivering additional specialized functionality, including audio and video processing. For more information visit www.analog.com and search on “ezkit” or “ezextender”. EZ-KIT Lite Evaluation Kits For a cost-effective way to learn more about developing with Analog Devices processors, Analog Devices offer a range of EZ- KIT Lite evaluation kits. Each evaluation kit includes an EZ-KIT Lite evaluation board, directions for downloading an evaluation version of the available IDE(s), a USB cable, and a power supply. The USB controller on the EZ-KIT Lite board connects to the USB port of the user’s PC, enabling the chosen IDE 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 supports in-circuit programming of the on-board Flash device to store user-specific boot code, enabling standalone operation. With the full version of Cross- Core Embedded Studio or VisualDSP++ installed (sold separately), engineers can develop software for supported EZ- KITs or any custom system utilizing supported Analog Devices processors. Software Add-Ins for CrossCore Embedded Studio Analog Devices offers software add-ins which seamlessly inte- grate with CrossCore Embedded Studio to extend its capabilities and reduce development time. Add-ins include board support packages for evaluation hardware, various middleware pack- ages, and algorithmic modules. Documentation, help, configuration dialogs, and coding examples present in these add-ins are viewable through the CrossCore Embedded Studio IDE once the add-in is installed. |
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