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Freescale Semiconductor Electronic Components Datasheet

MCF54455 Datasheet

(MCF5445x) Microprocessor

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MCF54455 pdf
Freescale Semiconductor
Data Sheet: Advance Information
MCF5445x ColdFire®
Microprocessor Data Sheet
Features
www.DataSheet4UV.ceorsmion 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
Document Number: MCF54455
Rev. 2, 05/2008
MCF54455
MAPBGA–256
17mm x 17mm
TEPBGA–360
23mm x 23mm
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.


Freescale Semiconductor Electronic Components Datasheet

MCF54455 Datasheet

(MCF5445x) Microprocessor

No Preview Available !

MCF54455 pdf
Table of Contents
1 MCF5445x Family Comparison . . . . . . . . . . . . . . . . . . . . . . . .4
2 Ordering Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3 Hardware Design Considerations . . . . . . . . . . . . . . . . . . . . . . .5
3.1 Analog Power Filtering . . . . . . . . . . . . . . . . . . . . . . . . . .5
3.2 Oscillator Power Filtering . . . . . . . . . . . . . . . . . . . . . . . .6
3.3 Supply Voltage Sequencing . . . . . . . . . . . . . . . . . . . . . .6
3.3.1 Power-Up Sequence . . . . . . . . . . . . . . . . . . . . . .7
3.3.2 Power-Down Sequence . . . . . . . . . . . . . . . . . . . .7
4 Pin Assignments and Reset States . . . . . . . . . . . . . . . . . . . . .7
4.1 Signal Multiplexing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
4.2 Pinout—256 MAPBGA . . . . . . . . . . . . . . . . . . . . . . . . .15
4.3 Pinout—360 TEPBGA. . . . . . . . . . . . . . . . . . . . . . . . . .16
www.DataShee5t4U.Ecloemctrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
5.1 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . .17
5.2 Thermal Characteristics . . . . . . . . . . . . . . . . . . . . . . . .18
5.3 ESD Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
5.4 DC Electrical Specifications . . . . . . . . . . . . . . . . . . . . .19
5.5 ClockTiming Specifications . . . . . . . . . . . . . . . . . . . . . .20
5.6 Reset Timing Specifications . . . . . . . . . . . . . . . . . . . . .22
5.7 FlexBus Timing Specifications . . . . . . . . . . . . . . . . . . .23
5.8 SDRAM AC Timing Characteristics. . . . . . . . . . . . . . . .25
5.9 PCI Bus Timing Specifications . . . . . . . . . . . . . . . . . . 27
5.9.1 Overshoot and Undershoot . . . . . . . . . . . . . . . 28
5.10 ULPI Timing Specifications . . . . . . . . . . . . . . . . . . . . . 29
5.11 SSI Timing Specifications . . . . . . . . . . . . . . . . . . . . . . 30
5.12 I2C Timing Specifications . . . . . . . . . . . . . . . . . . . . . . 32
5.13 Fast Ethernet Timing Specifications . . . . . . . . . . . . . . 33
5.13.1 Receive Signal Timing Specifications . . . . . . . 33
5.13.2 Transmit Signal Timing Specifications . . . . . . . 34
5.13.3 Asynchronous Input Signal Timing Specifications34
5.13.4 MII Serial Management Timing Specifications . 35
5.14 32-Bit Timer Module Timing Specifications . . . . . . . . . 35
5.15 ATA Interface Timing Specifications. . . . . . . . . . . . . . . 36
5.16 DSPI Timing Specifications . . . . . . . . . . . . . . . . . . . . . 36
5.17 SBF Timing Specifications. . . . . . . . . . . . . . . . . . . . . . 38
5.18 General Purpose I/O Timing Specifications. . . . . . . . . 39
5.19 JTAG and Boundary Scan Timing . . . . . . . . . . . . . . . . 40
5.20 Debug AC Timing Specifications . . . . . . . . . . . . . . . . . 42
6 Power Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
7 Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
8 Product Documentation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
9 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
MCF5445x ColdFire® Microprocessor Data Sheet, Rev. 2
2 Freescale Semiconductor


Part Number MCF54455
Description (MCF5445x) Microprocessor
Maker Freescale Semiconductor
Total Page 30 Pages
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