Microcontroller Delivers Secure Ethernet

June 21, 2004
Recognizing the need for more secure network devices, Freescale Semiconductor combined hardware security with Ethernet support. Its latest PowerQUICC III, the MPC8541E communications processor, incorporates on-chip encryption hardware supporting DES,...

Recognizing the need for more secure network devices, Freescale Semiconductor combined hardware security with Ethernet support. Its latest PowerQUICC III, the MPC8541E communications processor, incorporates on-chip encryption hardware supporting DES, 3DES, MD-5, SHA-1, AES, PKEU, RNG, and RC-4 encryption algorithms.

The chip also houses dual Gigabit Ethernet and dual Fast Ethernet controllers. The e500 PowerPC core runs from 533 to 833 MHz with a 256-kbyte level 2 cache. A 64-bit, 333-MHz double-data-rate (DDR) SDRAM memory controller provides access to plenty of memory.

A four-channel DMA controller, dual serial ports, a local bus controller, two I2C controllers, and a serial peripheral interface (SPI) are included. In addition, dual 32-bit PCI controllers can be configured as a single 64-bit PCI controller. The MPC8541E comes in a 783-pin PBGA package.

Freescale Semiconductorwww.freescale.com

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