MCF54455

Freescale Semiconductor Data Sheet: Advance Information Document Number: MCF54455 Rev. 2, 05/2008 MCF54455 MAPBGA–256 17mm x 17mm TEPBGA–360 23mm x 23mm MCF5445x ColdFire® Microprocessor Data Sheet www.DataSheet4U.com Features Version 4 ColdFire® Core with MMU and EMAC Up to 410 Dhrystone 2.1 MIPS @ 266 MHz 16-KBytes instruction cache and 16-KBytes data cache 32-KBytes internal SRAM Support for booting from SPI-compatible flash, EEPROM, and FRAM devices Crossbar switch technology (XBS) for concurrent access to peripherals or RAM from multiple bus masters 16-channel DMA controller 16-bit 133-MHz DDR/mobile-DDR/DDR2 controller USB 2.0 On-the-Go controller with ULPI support 32-bit PCI controller @ 66MHz ATA/ATAPI controller 2 10/100 Ethernet MACs Coprocessor for acceleration of the DES, 3DES, AES, MD5, and SHA-1 algorithms Random number generator Synchronous serial interface (SSI) 4 periodic interrupt timers (PIT) 4 32-bit timers with DMA support DMA-supported serial peripheral interface (DSPI) 3 UARTs I2C bus interface This document contains information on a new product. Specifications and information herein are subject to change without notice. © Freescale Semiconductor, Inc., 2008. All rights reserved. Table of Contents MCF5445x Family Comparison . . . . . . . . . . . . . . . . . . . . . . . .4 Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 Hardware Design Considerations . . . . . . . . . . ...