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DSPs offer 800MMACS at less than 100mW

Posted: 16 Jun 2014     Print Version  Bookmark and Share

Keywords:Analog Devices  DDR memory  DSP  processor  building automation 

Analog Devices Inc. (ADI) has rolled out what it describes as a high-performance DSP series that boasts class-leading 800MMACS of processing power at less than 100mW, double the performance or half the power of similar devices. The ADSP-BF70x Blackfin processor family includes up to 1MB of internal SRAM, eliminating external memory in many applications, while a second configuration features an optional DDR memory interface, noted the company.

The combination of performance, power efficiency, integration and value allows designers to incorporate 16 and 32bit processing in a range of embedded vision use cases including industrial imaging and building controls as well as portable and automotive audio. The ADSP-BF70x family offers designers unparalleled flexibility and functionality through an array of advanced connectivity options (including USB, SDIO, CAN, ePPI, SPORT, QuadSPI) while enabling power sensitive bus-powered applications and extending the life of battery-powered devices, added ADI.

ADSP-BF70x Blackfin processor

The ADSP-BF70x Blackfin processors are geared for industrial and building automation applications, including intelligent lighting and occupancy sensing and industrial imaging in cameras, barcode readers and biometric sensors. The processor family's low-power consumption, 32bit math and large on-chip SRAM also suits it to portable audio and automotive audio, where deterministic real-time processing is critical for high-fidelity sound.

With software IP protection a growing industry security concern, the ADSP-B70x Blackfin processor family additionally includes an onboard crypto hardware accelerator that features fast secure boot with decryption and authentication. For always-on safety critical applications, the BF70x series also provides high data integrity with parity and error-correction code (ECC)-protected memory circuitry. ADI's line of highly integrated Blackfin processors is available in single 12 x 12 QFN or 12 x 12 BGA packages starting at under $4/1k units.

For audio and video system architects, ADI makes available software modules, including image processing applications software (such as video occupancy sensing, image processing toolbox, 2D graphics); video imaging codecs such as JPEG and H.264BP/MP; audio codecs including MP3 and WMA; and post processing software including asynchronous sample rate converters and multi-band graphic equalisers. Dolby and DTS algorithms are also available via a software license.

The ADSP-B70x is supported by ADI's Crosscore Embedded Studio IDE providing design engineers with an interactive real-time development tool that helps optimise their design and speeds time to market.

The ADSP-BF707 EZ-KIT-Lite development board and ICE-1000/2000 emulators facilitate the creation, test and debug of advanced applications on ADI's latest processors and DSPs. Working in tandem with the CrossCore Embedded Studio development environment, the emulators provide modern support for all JTAG-compliant ADI processors. Additional debug features are also included for the ADSP-BF70x, supporting program trace, system trace and cross-trigger channel control via ARM CoreSight serial wire debug support.

Full-featured 400MHz, 1MB SRAM ADSP-BF706 (QFN) and ADSP-BF707 (BGA) product samples are available. With multiple memory variants, pricing for the ADSP-BF70x family starts at $3.99 for 1,000 unit production quantities. Begin developing with the ADSP-BF707 EZ-KIT-Lite complete with an ICE-1000 emulator and CrossCore Embedded Studio for $299.

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