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Latest Blackfin DSPs proclaim high performance

Posted: 30 Oct 2008 ?? ?Print Version ?Bookmark and Share

Keywords:DSP? Blackfin high performance? processor?

Analog Devices introduces the low-power Blackfin BF51x series, designed to surpass heterogenous MCU+DSP approaches in reducing part-count, system cost, board space, and power consumption. The new processors feature high clock rates and low power dissipation per unit of processing (MMACs/mW) like traditional DSPs, but are OS and compiler-friendly like traditional MCUs.

All four of the 16bit/32bit BF51x devicesthe BF512, BF514, BF516 and BF518are available at clock speeds up to 400MHz (800 MMACS) and include 116KByte of RAM plus an optional 4Mbit of serial (SPI) flash memory. Each device integrates Lockbox security for code and content protection, support for sixteen stereo I2S digital-audio channels, twelve peripheral DMA channels, and an advanced memory controller for glueless connection to multiple banks of external SDRAM, SRAM, flash, or ROM.

Each processor includes two dual-channel synchronous serial communication ports, a high-speed parallel peripheral interface, an I2C compatible two-wire interface, dual PC-compatible UARTs, and two SPI-compatible serial peripheral interface ports. All of the new devices deliver 8.5 MMACs/mW (100 MHz) and include dynamic power management functionality that lets developers match the processor's power consumption to processing requirements during program execution.

The BF514, BF516, and BF518 include on-chip removable-storage interfaces, Secure Digital Input Output (SDIO), a power-optimized CE-ATA storage interface, and an embedded multimedia card interface. The BF516 adds an Ethernet 10/100 MAC with Media Independent Interface and Reduced Media Independent Interface.

Pricing is from $4.95 (BF512) to $11.85 (BF518) each in 25,000-unit quantities. The processors are sampling immediately.

- Rich Pell
Industrial Control Designline

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