NXP Semiconductors MCF5282CVM66

Overview

MCF5282CVM66 from NXP (formerly Freescale) is a 32-bit ColdFire V2 core microcontroller with 66 MHz maximum CPU frequency, integrated 128 KB on-chip Flash, 16 KB SRAM, Fast Ethernet Controller (FEC), FlexCAN interface, and QADC/QSPI peripherals - designed for industrial networking, protocol gateway, and real-time control applications requiring deterministic timing and multi-protocol connectivity.

For engineers reviewing the MCF5282CVM66 datasheet, MCF5282CVM66 pinout, MCF5282CVM66 application, or MCF5282CVM66 equivalent, key selection criteria include its 66 MHz ColdFire V2 core performance, integrated FEC supporting IEEE 802.3 10/100 Mbps, FlexCAN 2.0B compliance, and 144-pin LQFP package with configurable I/O mapping for mixed-signal embedded systems.

Technical Context

The MCF5282CVM66 implements the ColdFire Version 2 microarchitecture with 32-bit data/address bus, 16 KB unified instruction/data cache, and enhanced MAC unit supporting fractional multiply-accumulate operations. It integrates dual interrupt controllers (INTC0/INTC1), a programmable PLL for clock synthesis, and memory management via RAMBAR/FLASHBAR registers.

Its system-level integration includes a synchronous DRAM controller, external interface module (EIM) with chip select logic, and power management supporting Run, Wait, Doze, and Stop modes - enabling low-power operation while maintaining peripheral responsiveness for industrial edge nodes.

Key Specifications

Pinout & Package

Package: 144-pin Low-Profile Quad Flat Package (LQFP), 20 mm × 20 mm body, 0.5 mm lead pitch, exposed thermal pad (EP), RoHS-compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with MCF5282CVM66, the MCF5282CVM80 offers higher clock headroom at the cost of thermal management complexity, while the MCF52259CAG80 trades Ethernet and analog capability for USB integration - making MCF5282CVM66 optimal for fixed-function industrial gateways requiring both network and sensor I/O in one package.

Availability

MCF5282CVM66 is available at Aetrix Electronics and suitable for industrial protocol gateways, real-time motion controllers, and networked building automation nodes requiring stable component supply across extended product lifecycles.

Supply support for MCF5282CVM66 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, and IoT markets, with roots in Freescale's embedded processor heritage.

The MCF5282CVM66 belongs to the ColdFire V2 microcontroller family, engineered for deterministic real-time control in resource-constrained industrial environments where Ethernet, CAN, and analog signal processing must coexist on a single chip.

FAQ

What is the maximum operating frequency of the MCF5282CVM66?

The MCF5282CVM66 operates at a maximum CPU frequency of 66 MHz, achieved via its internal PLL configured from an external crystal or oscillator input. This frequency is validated across industrial temperature ranges (–40°C to +85°C) and defines the upper bound for instruction execution rate, peripheral bus timing, and real-time interrupt response - all critical for hard real-time applications like motion control where jitter must remain below 1 µs.

Does the MCF5282CVM66 include an integrated Ethernet MAC?

Yes, the MCF5282CVM66 integrates a Fast Ethernet Controller (FEC) compliant with IEEE 802.3 10/100 Mbps standards. It includes a 2 KB dual-port RAM buffer, MII/RMII interface support, and hardware-assisted frame filtering - enabling full Ethernet stack implementation without external MAC chips. The FEC is directly accessible via memory-mapped registers and supports DMA-based packet transmission/reception to minimize CPU load in MCF5282CVM66-based network nodes.

What type of CAN interface does the MCF5282CVM66 support?

The MCF5282CVM66 features a FlexCAN module compliant with CAN 2.0B specification, supporting both standard (11-bit) and extended (29-bit) identifier formats at bit rates up to 1 Mbps. It includes 64 message object buffers, hardware acceptance filtering, and automatic retransmission - making it suitable for automotive diagnostics and industrial fieldbus applications. The MCF5282CVM66 requires an external CAN transceiver (e.g., TJA1042) for physical layer interfacing.

How much on-chip Flash and SRAM does the MCF5282CVM66 provide?

The MCF5282CVM66 integrates 128 KB of on-chip Flash memory (ColdFire Flash Module) and 16 KB of static RAM. The Flash supports in-application programming (IAP), sector protection, and security lock features; the SRAM is zero-wait-state at full speed and mapped to a fixed address range. This memory configuration allows standalone boot, firmware updates, and real-time data buffering - eliminating need for external memory in many MCF5282CVM66 deployments.

Is the MCF5282CVM66 pin-compatible with other ColdFire microcontrollers?

No, the MCF5282CVM66 is not pin-compatible with other ColdFire variants such as MCF52259 or MCF5272 due to differences in peripheral integration, signal routing, and package pin assignments. Its 144-pin LQFP footprint is specific to the MCF5282/MCF5216 family. Migration to alternate ColdFire devices requires PCB redesign and firmware adaptation - especially for FEC, FlexCAN, and QADC signal routing unique to the MCF5282CVM66.