NXP Semiconductors MCF54455CVP200

Overview

MCF54455CVP200 from NXP Semiconductors is a ColdFire® Version 4 microprocessor with MMU and EMAC, operating at 200 MHz, delivering 370 Dhrystone 2.1 MIPS, featuring 16-KB instruction cache, 16-KB data cache, 32-KB internal SRAM, dual 10/100 Ethernet MACs, and a 32-bit PCI controller - deployed in industrial networking gateways requiring deterministic real-time processing and multi-protocol connectivity.

For engineers reviewing the MCF54455CVP200 datasheet, MCF54455CVP200 pinout, MCF54455CVP200 application, or MCF54455CVP200 equivalent, key selection considerations include DDR2/DDR SDRAM interface timing compliance, PCI bus arbitration behavior, cold-swap-safe power sequencing, and cryptographic acceleration unit (CAU) support for AES/SHA-1 offload in secure edge devices.

Technical Context

The MCF54455CVP200 implements a superscalar ColdFire V4 core with hardware MMU for full virtual memory management and integrated EMAC for high-efficiency multiply-accumulate operations in signal processing tasks. Its crossbar switch (XBS) enables concurrent access to peripherals and RAM by multiple bus masters including CPU, DMA, USB OTG, and PCI.

It integrates a 16-channel eDMA controller, dual Fast Ethernet controllers supporting MII/RMII modes, ULPI-compliant USB 2.0 On-the-Go, ATA/ATAPI host interface, and a dedicated Cryptography Acceleration Unit (CAU) supporting DES, 3DES, AES, MD5, and SHA-1 algorithms - all operating under a single synchronized clock domain derived from its PLL.

Key Specifications

Pinout & Package

Package: 360-ball Thermally Enhanced Plastic Ball Grid Array (TEPBGA), 23 mm × 23 mm, 1.27 mm pitch, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microprocessor applications.

Compared with MCF54455VP266, the MCF54455CVP200 offers guaranteed operation at –40°C to +85°C and lower dynamic power at 200 MHz; compared with MCF54454CVP200, it adds production-ready ATA/ATAPI and CAU blocks essential for secure industrial storage and encrypted communications.

Availability

MCF54455CVP200 is available at Aetrix Electronics and suitable for industrial gateways, secure edge routers, medical imaging controllers, and avionics data concentrators requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for MCF54455CVP200 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

NXP Semiconductors is a global semiconductor leader focused on secure connectivity solutions for automotive, industrial, IoT, mobile, and communication infrastructure markets.

The MCF54455 belongs to the ColdFire® microprocessor family designed for high-performance, real-time embedded applications demanding rich peripheral integration, deterministic execution, and hardware security acceleration in harsh environments.

FAQ

What is the maximum operating temperature range for the MCF54455CVP200?

The MCF54455CVP200 is rated for industrial temperature operation from –40°C to +85°C. This specification is guaranteed per the datasheet's ordering information table and applies to all electrical and timing parameters under specified voltage and loading conditions. The "C" prefix in the part number explicitly denotes this extended temperature grade, distinguishing it from commercial-grade variants like the MCF54455VP266.

Does the MCF54455CVP200 support booting from serial flash devices?

Yes, the MCF54455CVP200 supports booting from SPI-compatible flash, EEPROM, and FRAM devices via its integrated serial boot facility (SBF). Boot mode is selected using BOOTMOD[1:0] pins, and the SBF provides configurable clock polarity, phase, and bit-width settings. This eliminates dependency on external boot ROM and enables field-upgradable firmware images stored in low-cost serial memory.

How many Ethernet MACs does the MCF54455CVP200 integrate, and what interfaces do they support?

The MCF54455CVP200 integrates two independent 10/100 Fast Ethernet MACs (FEC0 and FEC1). Each supports MII and RMII physical layer interfaces, with configurable pin multiplexing. FEC0 pins are assigned to the 256 MAPBGA package, while both FEC0 and FEC1 are fully routed on the 360 TEPBGA package used by the MCF54455CVP200 - enabling true dual-network operation without external PHY sharing.

Is the Cryptography Acceleration Unit (CAU) in the MCF54455CVP200 enabled and functional at 200 MHz?

Yes, the CAU in the MCF54455CVP200 is fully operational at its rated 200 MHz core frequency. The CAU operates synchronously with the CPU clock and is validated across the entire industrial temperature range. It supports AES-128/192/256, DES/3DES, MD5, and SHA-1 algorithms in both ECB and CBC modes, with DMA-assisted data transfer to minimize CPU intervention during bulk encryption.

What power supply sequencing requirements must be observed for reliable startup of the MCF54455CVP200?

The MCF54455CVP200 requires strict sequencing: IVDD (core logic) must ramp after EVDD (I/O) and SDVDD (SDRAM) but before PVDD (PLL). Rise times must be ≤50 V/ms to prevent ESD clamp activation. The datasheet specifies no minimum delay between EVDD/SDVDD and IVDD power-up, but IVDD must stabilize before releasing reset. Failure to follow this sequence risks undefined I/O states or PLL lock failure.