MCF5282CVM66 - 66MHz ColdFire V2 MCU 512KB Flash | NXP
MPN: MCF5282CVM66 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $60.3 | $60.30 |
| 10 | $60.3 | $603.00 |
| 100 | $60.3 | $6,030.00 |
| 500 | $60.3 | $30,150.00 |
| 1,000 | $60.3 | $60,300.00 |
MCF5282CVM66 Overview
A microcontroller unit (MCU) is a single-chip computer that integrates a processor core, memory, and peripherals on one die, forming the lowest tier of the embedded processor hierarchy: MCU -> embedded processor -> system-on-chip -> microprocessor. The MCF528x family belongs to the ColdFire V2 (MCF52xx) class of 32-bit CISC-heritage embedded controllers and was specifically designed to simplify embedded Ethernet-networked MCU applications by integrating communications silicon with a rich peripheral set.
Key features of the MCF5282CVM66 include the 32-bit ColdFire V2 core with Enhanced Multiply-Accumulate Unit (EMAC), 512 KB (512K x 8) of on-chip ColdFire flash module (CFM) program memory, a Fast Ethernet Controller (FEC) for 10/100 Mbps networking, a CAN 2.0B controller for industrial bus networking, an SDRAM controller, DMA controller, and a comprehensive set of serial and timing peripherals supported by a system control module with power management.
Technically, the ColdFire V2 architecture provides variable-length RISC-style instruction execution with the EMAC accelerating digital signal processing operations such as filters and control loops. The integrated flash module permits in-application programming, while the SDRAM controller and external interface module (EIM) allow system memory expansion beyond the internal SRAM and flash. The interrupt controller modules and edge port module (EPORT) support responsive real-time event handling in networked industrial nodes.
Typical applications include industrial Ethernet gateways and protocol converters, building automation and HVAC controllers, CAN-to-Ethernet bridging in factory automation, and networked instrumentation where a single 66 MHz MCU must run a TCP/IP stack alongside real-time control.
A key design consideration is lifecycle: NXP lists this device as NRND (Not Recommended for New Designs), so it should be specified only for sustaining existing designs; new designs should evaluate current-generation MCUs. Verify flash endurance and Ethernet PHY requirements against the user manual before layout.
This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet, verified as of 2026-10-18.
Drop-in alternatives for MCF5282CVM66 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with MCF5282CVM66 (same form factor and footprint) — differing in Ethernet, CAN, Connectivity, Core Architecture, Program Memory Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MCF5282CVM66J
✅ Drop-In✓ In Stock
$16.2 / Unit
View Datasheet →MCF5282CVM80
✅ Drop-In✓ In Stock
$17.85 / Unit
View Datasheet →MCF5280CVM66J
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$0.8 / Unit
View Datasheet →MCF5280CVF66J
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$17.6 / Unit
View Datasheet →MCF5282CVM66 Maximum Ratings & Electrical Characteristics
| Core Processor | ColdFire V2 |
| Core Size | 32-Bit |
| Maximum Clock Frequency | 66 MHz |
| Program Flash Memory | 512 KB (512K x 8) |
| Ethernet | Fast Ethernet Controller (FEC), 10/100 Mbps |
| CAN | CAN 2.0B controller |
| Connectivity | Ethernet, CAN, EBI/EMI, serial peripherals |
| Peripherals | DMA, SDRAM controller, WDT, EMAC |
| Package | 256-MAPBGA (17x17 mm) |
| Mounting Type | Surface Mount |
| Supplier Device Package | 256-MAPBGA |
| Series | MCF528x |
| Lifecycle Status | NRND (Not Recommended for New Designs) |
MCF5282CVM66 256-mapbga Pin Configuration Guide
Pin configuration for MCF5282CVM66 (256-mapbga package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for MCF5282CVM66.
Refer to the datasheet for full pin configuration.
Typical Applications
MCF5282CVM66 is suitable for 6 applications: Industrial Ethernet Gateways, CAN-to-Ethernet Bridging, Building Automation Controllers, Networked Test and Measurement Instruments, Embedded Web Servers and Remote Monitoring, Security and Access Control Panels.
Industrial Ethernet Gateways
The MCF5282CVM66's integrated Fast Ethernet Controller (FEC) with 10/100 Mbps MII support and 66 MHz ColdFire V2 core make it a strong fit for single-chip industrial Ethernet gateways and protocol converters. Running a light TCP/IP stack such as lwIP from the 512 KB on-chip flash, the device bridges Modbus TCP, EtherNet/IP, or custom protocols to serial and CAN fieldbus sides without external network silicon beyond a PHY. The DMA controller offloads Ethernet buffer movement, preserving CPU cycles for protocol handling. As the part is NRND, use it for sustaining existing gateway designs; new gateway projects should target a supported MCU family, but the architecture demonstrates why the MCF528x family simplified networked embedded design.
Recommended
CAN-to-Ethernet Bridging
With both a CAN 2.0B controller and a Fast Ethernet Controller on one die, the MCF5282CVM66 serves directly as a CAN-to-Ethernet bridge in factory automation and vehicle-to-cloud telemetry nodes. The CAN module handles arbitration and error management in hardware, while the FEC streams telemetry upstream via MII to an external PHY; the 66 MHz core runs both stacks concurrently with DMA-assisted buffer handling. Typical designs use the 512 KB flash for a combined lwIP/CANopen or J1939 image. Because the part is NRND, this application profile applies mainly to sustaining existing bridge hardware - the same footprint MCF5282CVM80 offers a 21% faster core if headroom is needed in a refresh.
Recommended
Building Automation Controllers
Building automation and HVAC controllers benefit from the MCF5282CVM66's combination of networking, 512 KB in-system-programmable flash, and ColdFire V2 real-time performance. The FEC supports BACnet/IP over 10/100 Ethernet, while CAN or serial peripherals interface to sensors and actuators; the SDRAM controller permits larger application images when the flash is augmented externally. The integrated watchdog and system control module provide the dependability expected in 24/7 facility equipment. Existing controller platforms built on this silicon should be sustained with authorized-broker stock, while the MCF5282CVM66J suffix variant may carry updated compliance documentation - verify both against NXP's part page before a maintenance build.
Recommended
Networked Test and Measurement Instruments
Bench and rack instruments that report results over Ethernet use the MCF5282CVM66 as the instrument controller: the FEC streams SCPI-over-TCP or LXI-lite traffic, the EMAC accelerates DSP-style averaging and filtering of measurement data, and 512 KB flash stores application firmware with field-update capability. The SDRAM controller and external interface module support larger waveform buffers than internal SRAM alone. The 66 MHz ColdFire V2 core deterministically services both the network stack and measurement timing interrupts. For sustaining existing instrument designs the part remains viable; new instrument platforms should migrate to a supported 32-bit MCU with an active roadmap, using this device only where qualification reuse justifies NRND risk.
Recommended
Embedded Web Servers and Remote Monitoring
The MCF5282CVM66 was designed to simplify embedded web-server products: a single chip provides the 66 MHz core, 512 KB flash for firmware plus compressed web content, and a 10/100 FEC requiring only an external PHY and magnetics. Light HTTP servers with AJAX-style status pages, SNMP agents, and email alerting fit within the on-chip memory when code is compiled for size. The DMA controller moves network buffers so the core can service ADC or GPIO telemetry scanning in real time. Devices such as environmental monitors, power meters, and access panels historically used this exact profile. As an NRND part, reserve it for maintaining installed product lines rather than new monitoring designs.
Recommended
Security and Access Control Panels
Networked access-control and security panels leverage the MCF5282CVM66's Ethernet plus CAN/serial peripheral mix to connect door controllers, card readers, and central monitoring servers on one MCU. The 512 KB on-chip flash holds credential databases and event logs compressed within application code, while the FEC uploads events over TCP/IP and the CAN controller links distributed panel clusters. The watchdog and interrupt controller architecture deliver the always-on reliability security installations demand, and the 256-MAPBGA package suits compact panel PCBs. Sustaining engineers maintaining qualified panel hardware can source through authorized legacy channels; new panel designs should use a supported MCU family to avoid NRND lifecycle exposure.
Recommended
Recommended Products Summary
Engineering reference data for MCF5282CVM66 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MCF5282CVM66J | MCF5282CVM80 | MCF5280CVM66J |
|---|---|---|---|---|
| Package | 256-MAPBGA (17x17 mm) | 256-MAPBGA (17x17 mm) - same | 256-MAPBGA (17x17 mm) - same | 256-MAPBGA (17x17 mm) - same |
| Brand | NXP Semiconductors (Freescale) | NXP Semiconductors (Freescale) | NXP Semiconductors (Freescale) | NXP Semiconductors (Freescale) |
| Core / Architecture | ColdFire V2, 32-bit | ColdFire V2, 32-bit | ColdFire V2, 32-bit | ColdFire V2, 32-bit |
| Max Clock Frequency | 66 MHz | 66 MHz | 80 MHz | 66 MHz |
| On-Chip Flash | 512 KB | 512 KB | 512 KB | None (flash-less variant; external memory required) |
| Fast Ethernet Controller | Yes (10/100 Mbps FEC) | Yes (10/100 Mbps FEC) | Yes (10/100 Mbps FEC) | Yes (10/100 Mbps FEC) |
| CAN 2.0B Controller | Yes | Yes | Yes | Yes |
| Lifecycle Status | NRND | NRND | NRND | NRND |
Key Differentiators
- Faster drop-in upgrade path within the same footprint (vs MCF5282CVM80)
- Integrated flash removes external code storage (vs MCF5280CVM66J)
- Single-chip dual-network integration (vs Cross-brand Ethernet MCUs (STM32/Renesas RA6M3))
Design Notes
Lifecycle risk management is the dominant design issue: NXP lists the MCF5282CVM66 as NRND, meaning orders continue but no long-term supply is guaranteed. Before a sustaining build, confirm stock with authorized distributors and NXP's authorized legacy source (Rochester Electronics), obtain last-time-buy windows from any active Product Change Notice, and consider a buffer-stock strategy of 1-2 years of forecast demand. Do not start a new design on this device; new Ethernet+CAN projects should select a supported MCU family.
The 256-ball MAPBGA (17x17 mm) is a fine-pitch BGA that requires a controlled land pattern from the MCF5282UM mechanical drawing, solder-mask-defined or non-solder-mask-defined pads per NXP recommendations, and reflow with X-ray or angled inspection for solder-joint verification. Route high-speed MII and SDRAM signals on inner layers with solid reference planes; keep FEC MII trace lengths matched and within the PHY's setup/hold budget. Provide adequate decoupling at the ball grid per the power-supply sections of the user manual.
The MCF528x integrates multiple power domains (core, PLL, I/O, and oscillator supplies) that must be sequenced and decoupled per the power management chapter of the MCF5282 user manual; consult the datasheet for exact voltage levels for this speed grade rather than relying on generic family values. The PLL requires a clean supply and proper external filter components to minimize clock jitter affecting Ethernet timing. Estimated: idle versus FEC-active current differs substantially, so size the supply for worst-case Ethernet traffic with all peripherals clocked.
Compliance Information
Compliance data not present in the verified web data retrieved for this page. The NXP product page (nxp.com/part/MCF5282CVM66) contains Environmental and Quality sections with the authoritative RoHS/REACH declarations; the J-suffixed variant (MCF5282CVM66J) may carry updated compliance documentation. Verify against NXP before regulatory submission.
