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Analog Devices Inc.'s Blackfin® processor family has added a new addition to the ADSP-BF52x processor family. Applications for the processor include portable media player (PMP), VoIP (voice over IP) telephones, IP cameras, and mobile TV devices. The Blackfin processor has dynamic power management capabilities for optimum power efficiency – core power consumption as low as 0.16mW/MHz at 250MHz. These latest processors offer a wide range of choices for system designers. The ADSP-BF527/BF525/BF522 series processors feature high performance/low power consumption and operate at 600MHz, and their ultra-low power series operate at frequencies up to 400MHz. To provide next-generation security capabilities for digital media players, including protecting the original equipment manufacturer's intellectual property and protecting e-commerce and social networks, the processors are all based on Blackfin Lockbox Secure TechnologyTM.To minimize bill of materials costs, development time, and board size, Blackfin ADSP-BF52x processor integrated system peripherals include high-speed USB On-The-Go (OTG), 10/100 Ethernet, host DMA ports, NAND flash controller, up to 48 general purpose I/O (GPIO) ports, etc. In addition, the ADSP-BF527C/BF525C/BF522C processors feature embedded low-power stereo audio multimedia digital codecs for space-constrained applications such as portable media players (PMPs) and IP phones.
The Blackfin family's ADSP-BF52x processor uses internal voltage regulators and process improvements to improve its dynamic power management capabilities, matching chip power consumption to the MIPS required to perform the function.
The BF52x family of processors offers designers a wide range of candidate products to choose the MIPS capacity, power and price for their specific application. With a USB port solution, the BF52x media processor is suitable for portable products such as premium audio players. In order to be used as a media coprocessor, we optimized the processor with fewer peripheral circuits, which allows additional features to be added during design; for example, video processing can be added to the audio media player. The new Blackfin BF52x family of processors is ideal for high-efficiency signal processing and rich peripheral excuses for seamless connectivity to Ethernet and Wi-Fi 802.11 a/b/g modules. Use battery-powered VoIP phones and IP cameras.
The BF52x processor family uses Lockbox Secure Technology, a technology that combines software and hardware protection to provide developers with the means to implement security measures, including protection of secrets (such as original equipment manufacturer intellectual property), to protect e-commerce and social networks. Verify device and user identity, as well as digital rights (DRM) content protection.
More specifically, Lockbox Secure Technology provides one-time programmable (OTP) memory and secure processing mode (Blackfin security mode) to achieve these capabilities. The public, non-secure, user-programmable area of ​​the OTP memory is suitable for storing public keys so that developers can authenticate the system in a controllable and configurable manner. The private, secure, user-programmable area of ​​OTP memory allows developers to set up private device assets such as private keys and maintain the confidentiality and integrity of these device assets. In addition, after using the security mode on the Blackfin processor, the processor can only perform authorized trust coding within the secure processing environment.
The ADSP-52x series processors range in price from ADSP-BF527 to ADSP-BF522L. The former operates at 600MHz and sells for $14.50. The latter operates at 300MHz and sells for $5.50. All prices are the unit price at the time of purchase of 10,000 devices.
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