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16-Bit Hybrid Processor Enables Internet Connectivity

Designed to enable Internet connectivity, the 5685X hybrid processor family, which marries a DSP and a microcontroller, offers up to 120 MIPS of processing power, low power consumption, simplified programmability and enhanced compiler efficiency. Typical applications for the devices are packet telephony, feature phones with voice recognition, Internet telephony, and integrated Internet access devices, as well as home automation systems such as security, lighting and HVAC. The family consists of the 56852, 56853, 56854, 56855, 56857 and 56858 DSP controllers. Based on the companyÕs 56800E architecture, the devices include such features as: a hybrid DSP/MCU delivering 120 MIPs at 120 MHz; 12 KB to 80 KB of program memory; 8 KB to 48 KB of data memory; external memory interface up to 6 MB; six channels of DMA; time-of-day functionality; COP/watchdog timer; general-purpose 16-bit timers with d/a conversion functionality; synchronous serial interface with network and surround sound features; synchronous and asynchronous communications interface; serial and parallel host communications; fast interrupt capability; JTAG/Enhanced OnCE port for real-time; unobtrusive debugging; and a programmable, general-purpose I/O line. The development environment for the 5685X devices is the CodeWarrior IDE from Metrowerks. It provides navigation, editing and debugging functions such as an intuitive graphical project management and build system, optimized C compiler, assembler, linker, and debugger, instruction-set simulator and more. Additionally, Motorola offers an embedded SDK that includes an expanding re-usable set of peripheral software, and application-specific software, such as voice coders, voice recognition, MP3 decoders, and full-duplex speaker phone, among others for Internet access devices. Designed to enable customers to reduce development time and cost, the SDK contains production-quality drivers and algorithms for the entire 56800E family. Pricing is expected to start at less than $3.00 for the 56852 in high volume. For further information, call MOTOROLA INC., Semiconductor Products Sector, Denver, CO. (800) 441-2447.


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TAGS: Digital ICs
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