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PowerPC processor responds to multiple net demands

Posted: 25 Jun 2008 ?? ?Print Version ?Bookmark and Share

Keywords:PowerPC embedded processor? memory? I/O subsystem? Ethernet ports?

Applied Micro Circuits Corp. recently launched PowerPC 460GTx, the newest member of its embedded processor family.

Based on the Power Architecture standard, the new processor combines a performance optimized PowerPC core with a high-bandwidth memory and I/O subsystem. It provides a high-performance migration path for customers using the AMCC PowerPC 440GX and 460GT processors.

The PowerPC 460GTx offers advanced features, including 4Gbit Ethernet ports with TCP/IP assist, 801.p- and q-compatible QoS, encryption/decryption engine, high-performance memory controller and high-speed I/O subsystem. The combination of these features is expected to meet the demanding requirements of the networking, wireless infrastructure and general-purpose control applications.

This new embedded processor features a PowerPC superscalar CPU core with clock frequencies ranging from 800MHz to 1.4GHz and performance of 2DMIPS/MHz (2800DMIPS at 1.4GHz). It also contains a 512KB level 2 cache, DDR2-800 SDRAM controller and a high-bandwidth, multichannel DMA controller. To support connectivity to the highest performance ASIC and FPGA devices, the 460GTx includes an 8-lane Gen 2 PCIe interface, wherein this interface can be bifurcated into two independent 4-lane Gen 2 PCIe interfaces.

- Ismini Scouras

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