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A 1 GHz power efficient single chip multiprocessor system for broadband networking applications
Ist Teil von
2001 Symposium on VLSI Circuits. Digest of Technical Papers (IEEE Cat. No.01CH37185), 2001, p.107-110
Ort / Verlag
IEEE
Erscheinungsjahr
2001
Quelle
IEEE Electronic Library (IEL)
Beschreibungen/Notizen
The Broadcom BCM12500 is a high performance system on a chip (SOC) targeted at network centric tasks. The chip consists of two high performance SB-1 MIPS64/sup TM/ CPUs, a shared 512 KB L2 cache, a DDR memory controller, and integrated I/O. All major blocks of the processor are connected together via the ZBbus/sup TM/; a high speed split transaction fully coherent multi processor bus. Three Gigabit Ethernet MACs enable a direct interface to network elements. High-speed system I/O is provided using AMD's Lightning Data Transport (LDT/sup TM/) I/O fabric and a 66 MHz PCI bus. The die measures 14.2 mm by 13.3 mm in a bulk 0.15 /spl mu/m CMOS technology and has a power dissipation of 13 W at 1.2 V and 1 GHz.