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DSP Media Processors - StarCore Family

Products SP2704 Features four StarCore DSP subsystems for data plane processing and dual-core ARM11 MP RISC processors for control plane and host processing. Six megabytes of internal memory eliminates the need for external memory in many applications Targets a wide range of next-generation wireless, wireline, and enterprise infrastructure applications with high channel density, optimal cost, and power efficiencies SP2716 Features sixteen StarCore DSP subsystems for data plane processing and eight ARM11 MP RISC processors for control plane and host processing Twenty four megabytes of internal memory eliminates the need for external memory in many applications Targets a wide range of next-generation wireless, wireline, and enterprise infrastructure applications with high channel density, optimal cost, and power efficiencies Features SP2704 Four StarCore SC3400e DSP subsystems at 750 MHz Dual-core ARM11 MP RISC processors at 375 MHz Ultra-high bandwith DSP bus matrix as a system interconnect for the media processing functional blocks Hardware assist for wireline speed IP/UDP or proprietary head processing (verify and classify) 6-MB shared system memory with error detection and correction Error correction coding (ECC) on all memories except ARM core memories that support parity detection Two 10/100/1000/2500-Mb/s Ethernet MACs TDM processing block supports six serial ports for multiplexing and demultiplexing TDM traffic Two 2-channel DMACs for efficiency in moving data among the memory and peripherals Coprocessor connectivity ports for high-speed direct access to other SP2704 devices or coprocessors, or alternate function as host interface port SP2716 96 GMACs in a single compact package Each SP2716 provides: – Sixteen StarCore® SC3400e DSP subsystems at 750 MHz: – Enhanced instruction set for voice, video, and cellular baseband applications –16 MAC DSP engine – 256-KB local RAM – 32-KB L1 instruction cache – 32-KB L1 data cache – 512-KB L2 cache – Two dedicated 2-channel DMA controllers – Eight Dual-core ARM11 MP™ RISC processors at 375 MHz – 64-KB instruction cache per core – 64-KB data cache per core – 512-KB local memory

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