Freescale Semiconductor Document Number: MCF54455 Rev. 8, 02/2012 Data Sheet: Advance Information MCF54455 MAPBGA256 TEPBGA360 17mm x 17mm 23mm x 23mm MCF5445x ColdFire Microprocessor Data Sheet 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 2 I C bus interface This document contains information on a new product. Specifications and information herein are subject to change without notice. Freescale Semiconductor, Inc., 2007-2012. All rights reserved.Table of Contents 1 MCF5445x Family Comparison 4 5.9.1 Overshoot and Undershoot . 28 2 Ordering Information .5 5.10 ULPI Timing Specifications . 29 3 Hardware Design Considerations .5 5.11 SSI Timing Specifications 30 2 3.1 Analog Power Filtering 5 5.12 I C Timing Specifications 32 3.2 Oscillator Power Filtering 6 5.13 Fast Ethernet Timing Specifications 33 3.3 Supply Voltage Sequencing 6 5.13.1 Receive Signal Timing Specifications . 33 3.3.1 Power-Up Sequence 7 5.13.2 Transmit Signal Timing Specifications . 34 3.3.2 Power-Down Sequence 7 5.13.3 Asynchronous Input Signal Timing 4 Pin Assignments and Reset States .7 Specifications 34 4.1 Signal Multiplexing .7 5.13.4 MII Serial Management Timing Specifications . 35 4.2 Pinout256 MAPBGA .15 5.14 32-Bit Timer Module Timing Specifications . 35 4.3 Pinout360 TEPBGA 16 5.15 ATA Interface Timing Specifications . 36 5 Electrical Characteristics 17 5.16 DSPI Timing Specifications . 36 5.1 Absolute Maximum Ratings .17 5.17 SBF Timing Specifications 38 5.2 Thermal Characteristics 18 5.18 General Purpose I/O Timing Specifications . 39 5.3 ESD Protection .19 5.19 JTAG and Boundary Scan Timing 40 5.4 DC Electrical Specifications .19 5.20 Debug AC Timing Specifications . 42 5.5 ClockTiming Specifications 20 6 Power Consumption . 43 5.6 Reset Timing Specifications .22 7 Package Information . 45 5.7 FlexBus Timing Specifications .23 8 Product Documentation . 45 5.8 SDRAM AC Timing Characteristics 25 9 Revision History 46 5.9 PCI Bus Timing Specifications .27 MCF5445x ColdFire Microprocessor Data Sheet, Rev. 8 2 Freescale Semiconductor