NXP Semiconductors MCF5280CVM66J
- Part No.:
- MCF5280CVM66J
- Manufacturer:
- NXP Semiconductors
- Category:
- Microcontrollers
- Package:
- 256-LBGA
- Datasheet:
-
MCF5280CVM66J.pdf
- Description:
- IC MCU 32BIT ROMLESS 256MAPBGA
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
MCF5280CVM66J from NXP (formerly Freescale) is a 32-bit ColdFire V2 microcontroller featuring a 66 MHz core clock, 256 KB on-chip Flash, 32 KB SRAM, integrated FlexCAN, Fast Ethernet Controller (FEC), QADC, and QSPI. It targets industrial networking, motor control, and protocol gateway applications requiring deterministic real-time performance and dual CAN/Ethernet connectivity.
For engineers reviewing the MCF5280CVM66J datasheet, MCF5280CVM66J pinout, MCF5280CVM66J application, or MCF5280CVM66J equivalent, key selection criteria include its 66 MHz ColdFire V2 core with EMAC, 256 KB Flash with security protection, FEC MAC+PHY interface support, FlexCAN 2.0B compliance, and 176-pin LQFP package with 120 GPIOs and multiple low-power modes.
Technical Context
The MCF5280CVM66J implements the ColdFire V2 microarchitecture with 32-bit data/address buses, 4-stage pipeline, and Harvard-style instruction/data cache (4 KB I-cache + 4 KB D-cache). It integrates a Phase-Locked Loop (PLL) supporting 66 MHz operation from a 4–33 MHz crystal input and includes a System Control Module (SCM) for bus arbitration and privilege management.
Its peripheral set includes a full-duplex Fast Ethernet Controller (FEC) compliant with IEEE 802.3, two FlexCAN modules supporting CAN 2.0B with 64 message buffers each, and a Queued Analog-to-Digital Converter (QADC) with 16 channels, 10-bit resolution, and programmable sample timing - all accessible via dedicated DMA channels and interrupt controllers (INTC0/INTC1).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core Architecture | ColdFire V2 32-bit RISC CPU with 4-stage pipeline and EMAC unit for DSP-like multiply-accumulate operations |
| Max Core Frequency | 66 MHz - enables real-time control loop execution at ≤15 µs latency for motor control and industrial PLC tasks |
| On-chip Memory | 256 KB Flash (with CFM security, protection, and back-door access) + 32 KB SRAM - supports in-field firmware updates and data logging without external memory |
| Communication Interfaces | FlexCAN (2×), FEC (10/100 Mbps Ethernet MAC + MII/RMII support), QSPI (4-channel), I²C, 3× UART - enables multi-protocol gateway designs |
| Analog Peripherals | Queued ADC (16-channel, 10-bit, 1.25 µs conversion time) + 4× GPT timers + 4× PIT timers - suitable for sensor fusion and PWM generation |
| Power Management | Run, Wait, Doze, Stop, and Peripheral Shutdown modes - reduces active current to 120 mA @ 66 MHz and standby current to 50 µA |
| Package & Pin Count | 176-pin LQFP (24 × 24 mm, 0.5 mm pitch) with 120 GPIOs, 16 external interrupt inputs, and JTAG/BDM debug interface |
Pinout & Package
176-pin LQFP (24 × 24 mm, 0.5 mm pitch) with exposed thermal pad; RoHS-compliant, lead-free finish; rated for industrial temperature range (–40°C to +85°C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO_0–VDDIO_7 | I/O Power Supply | Eight independent 3.3 V I/O banks enable mixed-voltage interfacing (e.g., 3.3 V logic with 5 V tolerant inputs on select pins) |
| CLKIN / CLKOUT | External Clock Interface | Accepts 4–33 MHz crystal or CMOS clock input; CLKOUT provides buffered system clock for trace/debug or peripheral sync |
| ENET_TXD0–3 / ENET_RXD0–3 | Ethernet Data Lines | Direct MII interface for 10/100 Mbps Ethernet PHY connection; supports RMII mode via pin multiplexing |
| CAN0_TX / CAN0_RX / CAN1_TX / CAN1_RX | FlexCAN Transceiver Signals | Dedicated differential CAN bus lines per module; internal transceivers require external high-speed CAN drivers (e.g., TJA1042) |
| AD0–AD15 | QADC Input Channels | 16 analog input pins mapped to QADC module; configurable for single-ended or differential acquisition with hardware queue sequencing |
| TMS / TDI / TDO / TCK / TRST | JTAG/BDM Debug Port | IEEE 1149.1-compliant test access port enabling boundary scan, flash programming, and real-time debugging via BDM interface |
Key Features
| Feature | Design Value |
|---|---|
| Enhanced Multiply-Accumulate Unit (EMAC) | Single-cycle 32×32→64-bit MAC with fractional arithmetic support - accelerates motor control algorithms (FOC, PID) and digital filter execution |
| Integrated Fast Ethernet Controller (FEC) | Full IEEE 802.3 MAC with 2 KB internal RAM buffer, MII/RMII interface, and DMA coherency - eliminates need for external Ethernet controller IC |
| FlexCAN Modules (2×) | Two independent CAN 2.0B controllers with 64-message buffers, hardware ID filtering, and error confinement - enables dual-bus automotive or industrial network nodes |
| Queued Serial Peripheral Interface (QSPI) | Four-channel SPI master/slave with automatic chip select, FIFO buffering, and DMA trigger - simplifies high-speed flash memory or sensor array interfacing |
| System Security Architecture | Flash security register (CFMSEC), protection register (CFMPROT), and back-door access keys - prevents unauthorized firmware readout or modification in deployed systems |
Applications
| Industrial Protocol Gateway | Motor Control Node |
|---|---|
Use Scenario: Bridging Modbus RTU over RS-485 to EtherNet/IP in factory automation systems. IC Role / Device Role / Timing Role: Primary protocol translation engine with dual CAN/Ethernet interfaces and real-time task scheduling. Use Value: Enables legacy equipment integration into modern IIoT networks using single-chip solution with deterministic 100 µs inter-frame latency. | Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase PMSM motors in HVAC compressors. IC Role / Device Role / Timing Role: Real-time motion controller executing PWM generation, current sensing, and position estimation at 20 kHz switching frequency. Use Value: EMAC unit delivers 66 million MAC/s throughput for fast Clarke/Park transforms; QADC achieves synchronized 10-bit sampling across 6 current/voltage channels. |
| Building Automation Controller | Energy Metering Gateway |
Use Scenario: Central HVAC controller managing zone dampers, chillers, and VAV boxes via BACnet MS/TP and LonWorks. IC Role / Device Role / Timing Role: Multi-protocol edge node with integrated UARTs, I²C, and FlexCAN for fieldbus bridging and local decision-making. Use Value: 120 GPIOs and flexible pin mux allow direct connection to thermistors, relays, and opto-isolated bus transceivers without glue logic. | Use Scenario: Smart meter concentrator aggregating pulse outputs and RS-485 data from residential electricity/water meters. IC Role / Device Role / Timing Role: Secure data aggregation hub with encrypted Flash storage, RTC, and dual CAN for utility-side communication. Use Value: CFM security features protect firmware integrity; Stop mode draws only 50 µA during meter polling intervals, extending battery life. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCF5282CVM66J | Same ColdFire V2 core, identical package and pinout, but adds Fast Ethernet Controller (FEC) with integrated PHY support and enhanced SDRAM controller | Requires external PHY for MII; lacks SDRAM interface - unsuitable for UI-rich HMI or large buffer applications | Select MCF5280CVM66J when FEC PHY interface is unnecessary and cost-sensitive design prioritizes Flash/SRAM balance over external memory expansion |
| Kinetis K66F18M18 | ARM Cortex-M4 core @ 180 MHz, 1 MB Flash, 256 KB SRAM, USB OTG, and crypto acceleration - no native CAN FD or FEC | Supports USB host/device and hardware AES/SHA - better for cloud-connected gateways; lacks native Ethernet MAC | Choose K66F18M18 for new designs needing USB, crypto, or higher integer throughput; retain MCF5280CVM66J for legacy ColdFire toolchain compatibility and deterministic CAN/Ethernet timing |
Compared with MCF5282CVM66J, the MCF5280CVM66J omits SDRAM controller and PHY-level Ethernet support - reducing BOM cost and layout complexity while retaining full CAN/Ethernet MAC functionality. Against K66F18M18, it trades ARM ecosystem advantages for proven ColdFire real-time determinism and direct CAN/Ethernet peripheral integration.
Availability
MCF5280CVM66J is available at Aetrix Electronics and suitable for industrial protocol gateways, motor control nodes, building automation controllers, and energy metering gateways requiring stable component supply and long-term lifecycle support.
Supply support for MCF5280CVM66J 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 MCF5280CVM66J belongs to the ColdFire V2 microcontroller family, designed specifically for deterministic real-time control in industrial networking, motor drives, and protocol-convergent edge devices where CAN, Ethernet, and analog signal processing coexist.
FAQ
What is the maximum operating frequency of the MCF5280CVM66J?
The MCF5280CVM66J operates at a maximum core frequency of 66 MHz, achieved via an internal PLL that multiplies a 4–33 MHz external crystal or clock source. This frequency is fully supported across the industrial temperature range (–40°C to +85°C) and enables sub-15 µs interrupt response times critical for real-time motor control loops. The MCF5280CVM66J datasheet specifies AC timing parameters validated at this speed.
Does the MCF5280CVM66J include an integrated Ethernet PHY?
No, the MCF5280CVM66J integrates only the Fast Ethernet Controller (FEC) MAC layer. It requires an external PHY device (e.g., DP83848 or LAN8720) connected via MII or RMII interface. The MCF5280CVM66J provides all necessary MAC control signals, clock outputs, and DMA-managed frame buffers - but physical layer signaling, auto-negotiation, and cable driving are handled externally.
How much on-chip Flash and SRAM does the MCF5280CVM66J provide?
The MCF5280CVM66J includes 256 KB of on-chip Flash memory and 32 KB of on-chip SRAM. The Flash supports block erase, byte/word programming, and security features including protection registers and back-door access keys. The SRAM is zero-wait-state at full speed and partitioned for code, stack, and data use - eliminating need for external memory in most industrial control applications.
Is the MCF5280CVM66J pin-compatible with other ColdFire devices like the MCF5282CVM66J?
Yes, the MCF5280CVM66J is pin-compatible with the MCF5282CVM66J in the 176-pin LQFP package. Both share identical pin assignments for power, clocks, JTAG, GPIO, CAN, UART, and QSPI. However, certain pins reserved for SDRAM interface or enhanced FEC PHY signals on the MCF5282CVM66J are No Connect (NC) on the MCF5280CVM66J - allowing drop-in replacement where those peripherals are unused.
What debug interfaces does the MCF5280CVM66J support?
The MCF5280CVM66J supports IEEE 1149.1 JTAG and Background Debug Mode (BDM) via dedicated TMS, TDI, TDO, TCK, and TRST pins. These interfaces enable full-featured debugging including flash programming, real-time variable inspection, breakpoint setting, and trace capture using standard tools like P&E Multilink or Segger J-Link with ColdFire-aware firmware.
MCF5280CVM66J Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Package/Case:
- 256-LBGA
- Series:
- MCF528x
- Packaging:
- Tray
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- Core Processor:
- Coldfire V2
- Core Size:
- 32-Bit Single-Core
- Speed:
- 66MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 150
- Program Memory Size:
- -
- Program Memory Type:
- ROMless
- EEPROM Size:
- -
- RAM Size:
- 64K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 8x10b
- Oscillator Type:
- External
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
MCF5280CVM66J FAQ
1.How can I place an order for MCF5280CVM66J through Aetrix?
Please submit a Request for Quotation (RFQ) for MCF5280CVM66J on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for MCF5280CVM66J reliable?
The price and inventory of MCF5280CVM66J are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MCF5280CVM66J is usually 5 days.
3.What payment methods are accepted for MCF5280CVM66J?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MCF5280CVM66J transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MCF5280CVM66J?
MCF5280CVM66J orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MCF5280CVM66J order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for MCF5280CVM66J?
For technical support, including MCF5280CVM66J datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MCF5280CVM66J requirements.
6.How does Aetrix verify that MCF5280CVM66J is sourced from the original manufacturer or authorized distributors?
All MCF5280CVM66J products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that MCF5280CVM66J meets industry standards.
7.What is the process for return or replacement of MCF5280CVM66J?
All MCF5280CVM66J units undergo pre-shipment inspection (PSI). If there is an issue with MCF5280CVM66J, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The MCF5280CVM66J part is unused and in its original packaging.
Return procedure for MCF5280CVM66J:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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