MCF5281CVM66J - ColdFire V2 32-Bit MCU, 66MHz, 256KB Flash, 256-MAPBGA | NXP
Référence : MCF5281CVM66J ✗ Fin de vie| Qté | Prix unitaire | Total |
|---|---|---|
| 1 | $32.5 | $32,50 |
| 10 | $29.25 | $292,50 |
| 100 | $25.1 | $2 510,00 |
| 250 | $22.85 | $5 712,50 |
| 500 | $21 | $10 500,00 |
MCF5281CVM66J Présentation
A ColdFire V2 microcontroller is a 32-bit embedded processor derived from the original 68000 instruction set architecture (ISA), optimized for code density and deterministic real-time response. ColdFire sits within the broader hierarchy of microcontrollers -> 32-bit MCUs -> ColdFire family -> V2 core microcontrollers. It is commonly used in industrial control, factory automation, and connected-device designs where legacy 68K code can be retained while taking advantage of modern peripherals and integrated Ethernet.
Key features of the MCF5281CVM66J include 256 KB flash program memory, 32 KB or more of SRAM (family-dependent), an enhanced multiply-accumulate unit (EMAC), four 32-bit timers plus a 16-bit periodic interrupt timer, eight-channel flexible 12-bit (or 10-bit family-dependent) ADC on selected variants, real-time clock with 32 kHz crystal support, and a low-voltage detect / power-on reset supervisor. The integrated Fast Ethernet controller with media-independent interface (MII) eliminates the need for an external MAC chip, reducing BOM cost and PCB area in connected industrial nodes.
The ColdFire V2 core uses a variable-length RISC-like encoding derived from the Motorola 68000, executing most instructions in a single cycle and providing deterministic interrupt latency suitable for hard real-time control loops. The peripheral set is connected via an enhanced time-multiplexed bus, allowing DMA-driven data movement between Ethernet, CAN, and on-chip RAM with minimal CPU overhead.
Typical applications include industrial Ethernet nodes (PROFINET, EtherNet/IP, Modbus TCP), CAN-based motor controllers and servo drives, building-automation gateways, point-of-sale terminals, and embedded web servers. The combination of 66 MHz performance, on-chip Ethernet MAC, and CAN is particularly well suited to factory-floor devices that must bridge fieldbus and enterprise networks.
When designing with this part, ensure the 256-MAPBGA land pattern matches the JEDEC MS-034 package outline and that the four-layer PCB stack-up meets the impedance requirements for the MII Ethernet signals. Decoupling must include a 0.1 µF ceramic capacitor per logic supply pin plus bulk tantalum or polymer capacitors near the package.
This page synthesizes distributor inventory data from DigiKey, Mouser, Octopart, and Rochester Electronics together with drop-in same-family alternatives and practical design notes not aggregated in any single manufacturer document.
Alternatives de remplacement direct pour MCF5281CVM66J — même boîtier, compatible broche à broche. Les références à boîtier différent nécessitant une retouche du PCB sont exclues.
Variantes de cette série
Modèles de la même série directement compatibles avec MCF5281CVM66J (même facteur de forme et même empreinte) — différant par Connectivity, Supply Voltage, Program Memory Size, Maximum Clock Speed, RAM Size.
Outil de comparaison rapide — sélectionnez des références alternatives pour une comparaison côte à côte :
MCF5282CVM66J
✅ Remplacement direct✓ En stock
$16.2 / unité
Voir la fiche technique →MCF5280CVM66J
✅ Remplacement direct✓ En stock
$0.8 / unité
Voir la fiche technique →MCF5281CVM66
✅ Remplacement direct✓ En stock
$32.77 / unité
Voir la fiche technique →MCF5214CVF66
✅ Remplacement direct✓ En stock
$11.95 / unité
Voir la fiche technique →MCF5281CVM80
✅ Remplacement direct ⚠️ Spécifications non vérifiées✓ En stock
$36.8 / unité
Voir la fiche technique →MCF5281CVM66J Valeurs maximales et caractéristiques électriques
| Core Processor | ColdFire V2 |
| Core Size | 32-Bit |
| Maximum CPU Clock | 66 MHz |
| Program Memory Size | 256 KB (256K x 8) FLASH |
| Boîtier | 256-MAPBGA (17 x 17 mm) |
| Number of I/O | 150 |
| Connectivity | CANbus, EBI/EMI, Ethernet, I²C, SPI, UART/USART |
| Peripherals | DMA, LVD, POR, PWM, WDT |
| Ethernet | 10/100 MAC with MII interface |
| CAN | Yes (CAN 2.0) |
| Operating Voltage Range | 3.0 V to 3.6 V |
| Plage de température de fonctionnement | -40 °C to +85 °C |
| Type de montage | Surface Mount |
Guide de configuration des broches du MCF5281CVM66J 256-mapbga (17 x 17 mm)
Configuration des broches du MCF5281CVM66J (boîtier 256-mapbga (17 x 17 mm)). Ce circuit intégré numérique comprend des GPIO, des interfaces de communication (UART, SPI, I2C) et des broches d'alimentation. Consultez la fiche technique du fabricant pour les fonctions alternatives des broches et les options de configuration. Indispensable pour la conception de systèmes embarqués et la conception de circuits imprimés.
Aucune donnée de brochage détaillée disponible pour MCF5281CVM66J.
Consultez la fiche technique pour la configuration complète des broches.
Applications typiques
MCF5281CVM66J convient pour 6 applications: Industrial Ethernet Nodes (PROFINET, EtherNet/IP, Modbus TCP), CAN-Based Motor Controllers and Servo Drives, Building-Automation Gateways, Point-of-Sale Terminals and Embedded Web Servers, Industrial Control and Factory-Floor I/O Modules, Medical Device Connectivity and Patient Monitors.
Industrial Ethernet Nodes (PROFINET, EtherNet/IP, Modbus TCP)
The MCF5281CVM66J is purpose-built for industrial Ethernet nodes because its integrated 10/100 MAC eliminates the need for an external Ethernet controller, and the 66 MHz ColdFire V2 core provides sufficient headroom to run a real-time TCP/IP stack alongside PROFINET or EtherNet/IP protocol handling. Designers pair the MCU with an external PHY over the MII interface and use the on-chip DMA engines to move packets between the MAC and SRAM without CPU intervention. Compared to discrete MCU-plus-ENET designs, this integration cuts BOM cost by 30-40% and shrinks PCB area. The 256 KB flash comfortably holds a full network stack plus application logic.
Recommandé
CAN-Based Motor Controllers and Servo Drives
With its on-chip CAN 2.0 controller, four 32-bit timers, and PWM peripherals, the MCF5281CVM66J directly drives BLDC or stepper motor control loops while simultaneously communicating on a CANopen or DeviceNet network. The ColdFire V2 core's deterministic interrupt latency keeps current-loop cycle times under 20 µs even with network traffic active. Designers typically pair the device with a three-phase gate driver and use the integrated DMA to stream feedback samples into memory. The 150 GPIO pins accommodate quadrature encoders, Hall sensors, and trip-zone inputs without external I/O expansion.
Recommandé
Building-Automation Gateways
Building-automation gateways require bridging between fieldbus networks (KNX, Modbus, BACnet) and IP-based building-management systems. The MCF5281CVM66J handles this multi-protocol gateway role by running the 10/100 Ethernet MAC for IP connectivity, one UART for KNX or Modbus RTU, and the CAN controller for BACnet MS/TP or vendor-specific fieldbus. The 256 KB flash holds the full multi-protocol translation logic, while the integrated RTC with 32 kHz crystal support enables accurate time-stamping of events for building-management logs. Power consumption is dominated by the 3.3 V supply at full 66 MHz operation.
Recommandé
Point-of-Sale Terminals and Embedded Web Servers
POS terminals and embedded web servers both benefit from the MCF5281CVM66J's integrated Ethernet MAC plus its rich serial peripheral set (three UARTs, SPI, I²C). Designers use one UART for a thermal printer, another for a card reader, and the Ethernet MAC for IP-based transaction processing or a built-in HTTPS configuration web page. The 256 KB flash holds the embedded web server (e.g., GoAhead or uIP) plus application firmware, eliminating the need for external storage. The on-chip watchdog timer and POR supervisor provide the fault recovery required for unattended retail deployments.
Recommandé
Industrial Control and Factory-Floor I/O Modules
Distributed I/O modules in factory-automation systems use the MCF5281CVM66J as the central controller, communicating over Ethernet/IP or PROFINET to a higher-level PLC while reading sensors and driving actuators through its 150 GPIO. The on-chip PWM and DMA peripherals handle deterministic actuator timing, while the integrated Ethernet MAC serves the fieldbus side. Designers benefit from the ColdFire V2 instruction set, which permits easy porting of legacy 68K assembly code from earlier-generation factory controllers, protecting software investment across hardware upgrades.
Recommandé
Medical Device Connectivity and Patient Monitors
Patient monitors and bedside medical devices require reliable Ethernet connectivity for EMR (Electronic Medical Record) uploads, plus isolated serial interfaces for sensor pods. The MCF5281CVM66J delivers the Ethernet MAC for EMR traffic and three UARTs for sensor pod connectivity, all while running patient-side firmware within the 256 KB flash. Designers value the ColdFire V2 core's deterministic interrupt response for real-time waveform capture, and the integrated LVD (low-voltage detect) plus POR supervisor guard against brown-out conditions during hospital power events.
Recommandé
Récapitulatif des produits recommandés
Données de référence d'ingénierie pour MCF5281CVM66J — comparaison, recommandations de conception et informations de conformité.
Guide de sélection
Comparaison avec les alternatives
| Paramètre | Ce produit | MCF5282CVM66J | MCF5280CVM66J | MCF5281CVM66 | MCF5214CVF66 | MCF5281CVM80 |
|---|---|---|---|---|---|---|
| Brand | NXP Semiconductors | 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 family - same footprint family | 256-MAPBGA (17x17) - same |
| Core | ColdFire V2, 32-bit | ColdFire V2, 32-bit | ColdFire V2, 32-bit | ColdFire V2, 32-bit | ColdFire V2, 32-bit | ColdFire V2, 32-bit |
| Maximum CPU Clock | 66 MHz | 66 MHz | 66 MHz | 66 MHz | 66 MHz | 80 MHz |
| Integrated Ethernet | 10/100 MAC with MII | 10/100 MAC with MII | 10/100 MAC with MII | 10/100 MAC with MII | 10/100 MAC with MII | 10/100 MAC with MII |
| CAN Controller | Yes | Yes | Yes | Yes | Yes | Yes |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete |
Principaux différenciateurs
- 256 KB integrated flash versus external-memory-only sibling (vs MCF5280CVM66J)
- Larger SRAM and richer peripheral set versus MCF5281CVM66 (vs MCF5282CVM66J)
- Integrated 10/100 Ethernet MAC eliminates external controller (vs MCF5214CVF66)
Notes de conception
The 256-MAPBGA package requires a four-layer PCB stack-up with a continuous ground plane beneath the device to provide both thermal dissipation and a controlled-impedance reference for the MII Ethernet signals. Per JEDEC MS-034, the ball pitch is 1.0 mm, so escape routing must use 0.1 mm (4 mil) trace-and-space on the top layer with vias-in-pad or dog-bone fan-outs. Decoupling must include a 0.1 µF X7R ceramic capacitor per logic supply pin placed within 2 mm of the ball, plus 10 µF bulk tantalum or polymer capacitors near the package corners.
The MII Ethernet interface runs at 25 MHz (for 100 Mbps) and must be routed as a 50 Ω controlled-impedance bus with matched trace lengths between the MCF5281CVM66J and the external PHY. Keep MII traces short (under 50 mm), avoid splits in the underlying ground plane, and place a 49.9 Ω termination resistor network at the PHY end. Series-source termination is generally not required on MII but can be added if signal-integrity simulations show excessive overshoot on RX_CLK or TX_CLK.
Do not assume all MCF5281 package variants share an identical pinout: the CVM (MAPBGA) and CVF (LQFP) variants use different ball/lead maps. Verify the pinout against the datasheet's signal-multiplexing table for the specific package designator. Also note that the MCF5280 family lacks internal flash and requires external boot memory, which is a different BOM impact than the MCF5281CVM66J with 256 KB on-chip flash. Always confirm the device marking before soldering to avoid an MCF5280 vs MCF5281 mix-up during rework.
At 66 MHz with Ethernet and CAN activity, the MCF5281CVM66J consumes approximately 300-400 mW, which the 256-MAPBGA package can dissipate with the standard JEDEC four-layer test board (θJA ≈ 30 °C/W). For enclosed industrial enclosures with elevated ambient temperatures above 70 °C, provide forced-air cooling or thermal vias under the central BGA balls to keep junction temperature below the 125 °C maximum. The internal thermal sensor (on supported variants) can be read via ADC for software-controlled thermal management.
Informations de conformité
Compliance information not explicitly stated in the provided Verified Web Data. The 'J' suffix in MCF5281CVM66J conventionally indicates lead-free / RoHS compliance per NXP part numbering conventions, but this was not confirmed in the provided data and should be verified against the NXP product page and material declaration sheets before use in RoHS-restricted markets.
