NXP Semiconductors MCF54450ACVM180

Overview

MCF54450ACVM180 from NXP Semiconductors (formerly Freescale) is a ColdFire V4 microprocessor featuring a 180 MHz core clock, integrated MMU and EMAC, 16-KB instruction cache, 16-KB data cache, and 32-KB on-chip SRAM. It supports DDR/DDR2 SDRAM, dual 10/100 Ethernet MACs, USB 2.0 OTG with ULPI, and cryptographic acceleration for AES/DES/SHA-1 - deployed in industrial gateways and networked HMI systems.

For engineers reviewing the MCF54450ACVM180 datasheet, MCF54450ACVM180 pinout, MCF54450ACVM180 application, or MCF54450ACVM180 equivalent, key selection criteria include its 256-pin MAPBGA package, 180 MHz system clock, -40°C to +85°C industrial temperature grade, and support for serial boot from SPI flash - critical for deterministic firmware recovery in edge controllers.

Technical Context

The MCF54450ACVM180 implements the ColdFire V4 core with hardware MMU for full virtual memory management and dual EMAC units enabling concurrent signal processing and real-time control. Its crossbar switch (XBS) allows simultaneous access to peripherals and SRAM by multiple bus masters including DMA, PCI, and FlexBus controllers.

It integrates a 16-channel eDMA controller, 133-MHz DDR/DDR2 SDRAM interface, ATA/ATAPI host controller, and two independent FEC modules supporting IEEE 802.3-compliant 10/100 Mbps Ethernet - all operating under a single coherent clock domain synchronized via internal PLL with programmable dividers.

Key Specifications

Pinout & Package

Package: 256-ball MAPBGA, 17 mm × 17 mm, 1.0 mm ball pitch, RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MCF54451CVM180, the MCF54450ACVM180 omits CAU but retains identical timing, cache, and peripheral sets - making it ideal for cost-sensitive industrial control where crypto is handled externally. Versus MCF54452CVR200, it trades PCI/ATA for smaller footprint and lower power, targeting space-constrained edge nodes.

Availability

MCF54450ACVM180 is available at Aetrix Electronics and suitable for industrial gateways, networked HMIs, and smart energy controllers requiring stable component supply across extended product lifecycles.

Supply support for MCF54450ACVM180 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 develops high-reliability microcontrollers and processors for automotive, industrial, and IoT applications, with roots in Freescale's embedded leadership.

The MCF54450ACVM180 belongs to the ColdFire V4 microprocessor family designed for deterministic real-time performance in networked industrial equipment - emphasizing low-latency Ethernet, secure boot, and flexible memory interfaces.

FAQ

What is the maximum operating frequency of the MCF54450ACVM180?

The MCF54450ACVM180 operates at a maximum core clock frequency of 180 MHz, delivering up to 370 Dhrystone 2.1 MIPS. This frequency is guaranteed across the full industrial temperature range of –40°C to +85°C, with power supply requirements of 1.5 V for IVDD and 3.3 V for EVDD/SDVDD. The MCF54450ACVM180 uses an internal PLL to derive all peripheral clocks from this base frequency.

Does the MCF54450ACVM180 support secure boot functionality?

Yes, the MCF54450ACVM180 supports secure boot through its integrated Cryptography Acceleration Unit (CAU), which performs AES-128/192/256, DES/3DES, SHA-1, and MD5 operations in hardware. While the CAU itself is present, secure boot implementation depends on firmware configuration - the MCF54450ACVM180 provides the cryptographic primitives needed to verify signed boot images before execution.

What package type and pin count does the MCF54450ACVM180 use?

The MCF54450ACVM180 uses a 256-ball MAPBGA package measuring 17 mm × 17 mm with 1.0 mm ball pitch. It is distinct from the 360-ball TEPBGA variants (e.g., MCF54452CVR200) and is not pin-compatible with them. The MCF54450ACVM180 pinout is documented in Figure 5 of the MCF5445x datasheet Rev. 8, covering dedicated FlexBus, FEC, USB, and SDRAM signals.

Can the MCF54450ACVM180 interface directly with DDR2 SDRAM?

Yes, the MCF54450ACVM180 includes a fully integrated 16-bit DDR/DDR2 SDRAM controller capable of 133 MHz operation, supporting DDR2-400 (200 MHz effective). It provides all necessary control signals - SD_A[13:0], SD_BA[1:0], SD_CAS, SD_RAS, SD_WE, SD_CS[1:0], SD_DQS[3:2], and SD_DM[3:2] - and complies with JEDEC DDR2 specifications for timing and drive strength.

What is the role of the Crossbar Switch (XBS) in the MCF54450ACVM180 architecture?

The Crossbar Switch (XBS) in the MCF54450ACVM180 enables concurrent, non-blocking access to shared resources like SRAM and peripherals by multiple bus masters - including the CPU, eDMA, USB OTG, PCI, and FlexBus controllers. This eliminates arbitration delays and ensures predictable latency for time-critical operations such as Ethernet packet handling or real-time sensor data acquisition in the MCF54450ACVM180.