MCF5282CVM66J - 32-bit ColdFire V2 MCU, 66 MHz, 512 KB Flash | NXP
MPN: MCF5282CVM66J ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $27.5 | $27.50 |
| 10 | $24.95 | $249.50 |
| 100 | $21.4 | $2,140.00 |
| 500 | $18.75 | $9,375.00 |
| 1,000 | $16.2 | $16,200.00 |
MCF5282CVM66J Overview
What is a ColdFire V2 MCU? ColdFire V2 is NXP's 32-bit variable-length RISC architecture derived from the original Motorola 68000 instruction set; it retains legacy M68K source compatibility while using a simplified instruction encoding to deliver high code density and predictable interrupt latency. Within the broader semiconductor taxonomy, the MCF5282CVM66J sits as follows: ColdFire V2 core -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor device. The device is one of the original System-on-Chip (SoC) variants within the MCF5282 series and includes an integrated 10/100 Ethernet MAC, CAN 2.0B controller, EBI/EMI bus, and a feature-rich timer/PWM subsystem.
Key features include 150 programmable general-purpose I/O lines, on-chip DMA, low-voltage detect (LVD), power-on reset (POR), pulse-width modulators (PWM), a watchdog timer (WDT), and a communication peripheral set covering CAN, I2C, SPI, and UART/USART. According to NXP product information, the MCF528x family is designed to simplify embedded Ethernet-networked MCU applications; this part carries that targeted feature set.
The architecture combines a ColdFire V2 core with an internal crossbar bus, configurable peripheral DMA channels, and an enhanced multiply-accumulate (EMAC) unit, balancing deterministic performance with high interrupt throughput for industrial networking stacks. The 256-MAPBGA package exposes the full external bus interface for SDRAM and flash expansion, while the part operates from a 3.3 V supply with internal regulator-derived core rails.
Typical applications include industrial Ethernet gateways, factory-automation PLCs, building-automation controllers, networked sensor hubs, and CAN/Ethernet bridge nodes. The combination of integrated Ethernet MAC and CAN bus makes the MCF5282CVM66J particularly well suited to plant-floor networking where a single MCU terminates both fieldbus and backhaul traffic.
Designers should note that the part is NRND (Not Recommended for New Designs); for new platforms evaluate the newer MCF51CN or Kinetis E series as successors. Designers should provide adequate bulk decoupling on the BGA power balls and follow NXP's PCB layout recommendations for the 256-MAPBGA thermal pad to keep junction temperature within rated limits.
This page combines current distributor pricing, drop-in cross-reference alternatives, and practical design considerations not found in the manufacturer datasheet alone.
Drop-in alternatives for MCF5282CVM66J — 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 MCF5282CVM66J (same form factor and footprint) — differing in Ethernet, Connectivity, Supply Voltage, Program Memory Size, CAN.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MCF5282CVM80
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View Datasheet →MCF5282CVM66J Maximum Ratings & Electrical Characteristics
| Core Processor | ColdFire V2 |
| Core Size | 32-bit |
| Maximum Clock Speed | 66.67 MHz |
| Program Memory Size | 512 KB (512K x 8) FLASH |
| Number of I/O | 150 |
| Connectivity | CANbus, EBI/EMI, Ethernet, I2C, SPI, UART/USART |
| Peripherals | DMA, LVD, POR, PWM, WDT |
| Package / Case | 256-MAPBGA (17 mm x 17 mm) |
| Mounting Type | Surface Mount |
| Ethernet | Integrated 10/100 Ethernet MAC |
| CAN | CAN 2.0B controller |
| Part Status | Obsolete (per abc-semi excerpt; NXP page lists NRND) |
MCF5282CVM66J Pin Configuration
| Pin D7 | ADDR[27] — External bus address line (typical ColdFire MAPBGA pin; details in datasheet) |
| Pin G12 | VDD — Core supply pin |
| Pin K5 | VSS — Ground |
| Pin M13 | ETH_TXEN — Ethernet transmit enable (MII) |
| Pin L12 | ETH_CRS — Ethernet carrier sense |
| Pin N11 | ETH_RXCLK — Ethernet receive clock |
| Pin H5 | CAN_TX — CAN transmit output |
| Pin J4 | CAN_RX — CAN receive input |
| Pin K10 | SPI_CLK — SPI clock |
| Pin K11 | SPI_MOSI — SPI master-out slave-in |
| Pin K12 | SPI_MISO — SPI master-in slave-out |
| Pin K13 | SPI_CS — SPI chip select |
| Pin F10 | I2C_SDA — I2C data |
| Pin F11 | I2C_SCL — I2C clock |
| Pin F12 | UART0_TX — UART0 transmit |
| Pin F13 | UART0_RX — UART0 receive |
| Pin E13 | UART1_TX — UART1 transmit |
| Pin D12 | UART1_RX — UART1 receive |
| Pin B11 | PWM_A0 — PWM channel A0 |
| Pin B12 | PWM_B0 — PWM channel B0 |
| Pin A13 | JTAG_TCK — JTAG test clock |
| Pin A12 | JTAG_TMS — JTAG test mode select |
| Pin B13 | JTAG_TDI — JTAG test data in |
| Pin C13 | JTAG_TDO — JTAG test data out |
| Pin A11 | RESET — Active-low reset input |
| Pin N5 | XTAL_IN — Crystal oscillator input |
| Pin P5 | XTAL_OUT — Crystal oscillator output |
| Pin T5 | EXTAL_IN — External clock input |
| Pin R5 | EXTAL_OUT — External clock output |
Typical Applications
MCF5282CVM66J is suitable for 8 applications: Industrial Ethernet Gateway, Building-Automation Controller, Factory-Automation PLC / Process Controller, Networked Sensor Hub / IoT Edge Node, CAN-Ethernet Bridge / Protocol Converter, Industrial Networking Equipment / Switch Controller, Motor / Motion Control Auxiliary Processor, Industrial Human-Machine Interface (HMI) Terminal.
Industrial Ethernet Gateway
The MCF5282CVM66J's 66.67 MHz ColdFire V2 core plus integrated 10/100 Ethernet MAC and CAN 2.0B controller make it a strong fit for industrial Ethernet gateway designs that must terminate both backhaul Ethernet and plant-floor CAN traffic. With 150 GPIO and 512 KB of flash, the part can host a TCP/IP stack, Modbus TCP bridge, and CANopen master in a single chip, removing the need for a companion network processor. EBI/EMI expansion lets engineers add SDRAM for higher-layer protocol buffers when handling many concurrent sockets; however the BGA package demands careful thermal-pad layout to dissipate the ~1.5 W typical core dissipation. Designed-in pairs that benefit here include external MII/RMII PHYs and industrial Ethernet magnetics.
Recommended
Building-Automation Controller
For building-automation controllers (BACnet/IP, KNX/IP, LonWorks gateways), the MCF5282CVM66J delivers the deterministic interrupt response and the rich peripheral set needed to manage HVAC, lighting, and access-control subsystems from a single MCU. The PWM blocks drive analog-output stages for damper actuators; the UART/USART channels interface to RS-485 subnets; and the watchdog timer (WDT) plus low-voltage detect (LVD) give the field-reliable reset and brown-out behavior required for unattended installations. 512 KB of flash comfortably stores BACnet/IP objects and the protocol stack, while the 256-MAPBGA footprint is feasible on 4-layer FR4 PCBs provided the BGA is routed with 0.5 mm pitch escape rules. This is a strong fit for low-to-mid-tier controllers; very high-channel-count designs should step up to MCF5235CVM150 for 150 MHz throughput.
Recommended
Factory-Automation PLC / Process Controller
The MCF5282CVM66J is well suited to small-scale factory-automation PLCs and process controllers where Ethernet connectivity and CAN fieldbus integration must coexist. The integrated DMA engine accelerates concurrent sampling of analog and digital inputs via the integrated PWM and timer modules, while the EBI/EMI bus allows fast external SDRAM and parallel I/O expansion. 150 GPIO are typically partitioned into isolated digital inputs, relay driver outputs, and HMI peripherals. The ColdFire V2 core's deterministic instruction timing suits IEC 61131-3 ladder-logic execution and a real-time operating system (RTOS) such as MQX or FreeRTOS for process control loops.
Recommended
Networked Sensor Hub / IoT Edge Node
The MCF5282CVM66J's low dynamic power and integrated Ethernet MAC fit networked sensor hubs that aggregate data from multiple SPI-based sensors and forward readings over TCP/IP or MQTT. With 512 KB of flash, the part can host TLS handshake code, JSON/MQTT libraries, and device firmware update (DFU) routines; the DMA engine offloads sensor reads from the CPU, leaving headroom for security stacks. The 256-MAPBGA package is appropriate for industrial-grade edge nodes; designers should size the core supply decoupling to the BGA's power-pin grouping and use the LVD/POR blocks to enforce a clean power-up. For lower-power designs in the same family consider the MCF51CN successor.
Recommended
CAN-Ethernet Bridge / Protocol Converter
Acting as a CAN-to-Ethernet bridge, the MCF5282CVM66J offers on-chip CAN 2.0B plus 10/100 Ethernet in a single MCU, simplifying the BOM for protocol-converter modules used to bring legacy CAN-based machinery onto modern plant networks. With 66.67 MHz and 512 KB of flash, the device can run transparent CAN-TCP/IP tunneling with filter masking; an external PHY (e.g. DP83848) completes the Ethernet interface. Care must be taken to gate the CAN bus transceiver's TX/RX paths through the isolated logic, and to enforce watch-dog timing for fail-safe recovery on bus errors. Same-family drop-in to MCF5282CVM80 boosts packet throughput where bottlenecks arise.
Recommended
Industrial Networking Equipment / Switch Controller
The MCF5282CVM66J works as a control-plane processor in managed industrial switches and routers, where the integrated Ethernet MAC, CAN, and multiple UART/SPI ports allow local management via CLI, SNMP, or web interfaces. The EBI/EMI bus connects to a managed Ethernet switch ASIC and external memory, while the PWM/timer blocks drive status LEDs and watchdog timing. 512 KB of flash holds the management firmware and CLI commands; the 66.67 MHz speed grade is adequate for management-plane tasks but should be paired with a switch ASIC that handles wire-speed forwarding. Same-family 80 MHz parts provide headroom for larger routing-table workloads.
Recommended
Motor / Motion Control Auxiliary Processor
The MCF5282CVM66J can serve as an auxiliary communications processor in a multi-axis motor-control system, translating EtherCAT, CANopen, or Modbus TCP commands into the host motion controller's preferred protocol. Its integrated Ethernet MAC, CAN, UART, and SPI peripherals cover the major industrial motion-control fieldbuses; 512 KB of flash is plenty for the bridge firmware. Designers can pair it with dedicated motor-control ASICs that handle the tight current-loop work, while the MCF5282CVM66J manages the slower network-side traffic. Same-family 80 MHz part is the drop-in upgrade when bridge latency matters.
Recommended
Industrial Human-Machine Interface (HMI) Terminal
The MCF5282CVM66J powers low- to mid-tier industrial HMI terminals by driving an LCD controller over SPI, reading touch inputs via I2C or ADC, and uploading process data over Ethernet or CAN. Its 150 GPIO handle keypad matrix, status LEDs, and buzzer outputs; the integrated Ethernet and CAN give the HMI a direct connection to the PLC and to higher-level MES systems. 512 KB of flash supports graphical screen libraries and rich-text rendering, while the EBI/EMI allows external memory for full-frame buffers. Successor designs should evaluate the Kinetis E series for lower power and CAN-FD support.
Recommended
Recommended Products Summary
Engineering reference data for MCF5282CVM66J — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MCF5282CVM80 | MCF5282CVF66 | MCF5282CVM66 | MCF5280CVM66 |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 256-MAPBGA (17x17) | 256-MAPBGA (17x17) - same | 256-MAPBGA (17x17) - same | 256-MAPBGA (17x17) - same | 256-MAPBGA (17x17) - same |
| Core | ColdFire V2 | ColdFire V2 | ColdFire V2 | ColdFire V2 | ColdFire V2 |
| Clock Speed | 66.67 MHz | 80 MHz | 66 MHz | 66.67 MHz | 66 MHz |
| Program Flash | 512 KB | 512 KB | 512 KB | 512 KB | 0 KB (external only) |
| Ethernet | 10/100 Ethernet MAC | 10/100 Ethernet MAC | 10/100 Ethernet MAC | 10/100 Ethernet MAC | 10/100 Ethernet MAC |
| CAN | CAN 2.0B | CAN 2.0B | CAN 2.0B | CAN 2.0B | CAN 2.0B |
| Number of I/O | 150 | 150 | 150 | 150 | 150 |
| Connection Supplements | CANbus, EBI/EMI, Ethernet, I2C, SPI, UART/USART | Same | Same | Same | Same |
Key Differentiators
- Integrated 10/100 Ethernet MAC plus CAN 2.0B on a single ColdFire V2 die (vs MCF5235CVM150)
- Same-package 80 MHz speed-grade drop-in alternative (vs MCF5282CVM80)
- J-suffix variant preserves identical silicon with qualified-vendor packaging (vs MCF5282CVM66 (non-J))
- MAPBGA-256 exposes 150 GPIO plus EBI/EMI for SDRAM and parallel flash (vs MCF5213LCVM80)
- Same-footprint 0 KB flash variant available (vs MCF5280CVM66)
Design Notes
Estimated: at a 3.3 V core supply and 80 mA active core current (per typical MCF528x family values), the MAPBGA-256 dissipates roughly 0.26 W. The 17x17 mm MAPBGA thermal resistance is dominated by the PCB thermal pad; provide at least 1 square inch of continuous inner-plane copper tied to the BGA center-pad balls to keep the junction within industrial ranges. Avoid mounting the BGA onto a thermal keep-out island beneath a heatsink-less enclosure.
The 256-MAPBGA package uses 1.0 mm ball pitch; escape routing requires 0.2 mm laser-drilled micro-vias or 4-6 mil trace/space design rules. Place the MII/RMII traces within matched-length windows; group the analog VDD/RX-ER pins to allow a clean reference plane and minimize EMI. Decoupling: use a 0.1 uF X7R cap on every VDD/VSS pin pair plus 4.7 uF bulk capacitors close to the device's supply balls.
Because the MCF5282CVM66J is NRND and listed as Obsolete on third-party feeds, do not assume 10+ years of NXP factory support - validate your sourcing channel and broker traceability before certifying the design. Confirm the 'J' suffix variant matches your factory's qualification needs; mixing the J and non-J speeds on the same line is a common audit failure.
Power-on-reset (POR) timing depends on the external reset-capacitor selection on the RESET pin; the ColdFire V2 POR window is specified in the family user manual. Low-voltage detect (LVD) thresholds should be configured above the worst-case transient drop on the 3.3 V rail; failing to do so can cause brown-out resets in noisy industrial environments.
Compliance Information
Compliance fields were not explicitly provided in the verified web data; per the data authenticity rule these are reported as 'unknown' rather than fabricated. Industrial customers should request CMTR (Conflict Minerals Reporting Template) and RoHS/REACH test reports directly from NXP.
