MCF54452VR266 - ColdFire V4 266MHz MPU | NXP | Embedded Control
MPN: MCF54452VR266 ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $18.5 | $18.50 |
| 10 | $16.8 | $168.00 |
| 100 | $15.2 | $1,520.00 |
| 500 | $14.1 | $7,050.00 |
| 1,000 | $13 | $13,000.00 |
MCF54452VR266 Overview
A microprocessor (MPU) is a general-purpose processing device that, unlike a microcontroller, relies on external memory and is typically paired with an operating system such as Linux. The MCF5445x family belongs to the embedded processor hierarchy: ColdFire V4 core -> 32-bit MPU -> embedded microprocessor -> integrated circuit. This places the MCF54452 in the class of highly integrated MPUs that combine processing and connectivity in a single device.
Key features include the ColdFire V4 core with an MMU (memory management unit), which enables full-featured embedded Linux deployments; integrated 10/100 Ethernet MAC, USB on-the-go (USB OTG), and PCI controller, providing a rich connectivity set rarely found on ColdFire-class devices; and ROMless architecture for flexible code storage strategies.
The V4 core implements enhanced Harvard architecture with separate instruction and data buses, supporting higher instruction throughput than earlier V3 cores. The on-chip MMU provides virtual memory management with hardware page translation, essential for running protected-mode operating systems. Integrated peripherals reduce external component count and total board cost.
Typical applications include industrial embedded control systems, network-connected consumer devices, and gateways requiring Ethernet plus USB connectivity. The 266 MHz performance class suits protocol processing, data aggregation, and human-machine interface workloads.
Design consideration: since the device is ROMless, boot code must reside in external NOR flash mapped into the core's address space; verify the BGA-360 footprint follows the manufacturer's recommended land pattern and thermal via design.
This page synthesizes distributor availability data, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with lifecycle status (End of Life per NXP) clearly flagged for sourcing teams.
Drop-in alternatives for MCF54452VR266 — 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 MCF54452VR266 (same form factor and footprint) — differing in Package, Ethernet, Mounting Type, Core Processor, Peripherals.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
MCF54455VR266
✅ Drop-In ⚠️ Specs Unverified✓ In Stock
$16.43 / Unit
View Datasheet →MCF54452VR240
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MCF54451VR266
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MCF54450VR266
✅ Drop-In ⚠️ Specs Unverified📋 Reference alternative (not in catalog)
MCF54452VR266 Maximum Ratings & Electrical Characteristics
| Core Processor | ColdFire V4 |
| Core Size | 32-Bit |
| Maximum Clock Frequency | 266 MHz |
| Memory Management Unit | Yes (MMU) |
| Program Memory Type | ROMless |
| Series | MCF5445x |
| Ethernet | 10/100 Ethernet MAC |
| USB | USB on-the-go (OTG) |
| PCI Controller | Yes (PCI) |
| Package | 360-TEPBGA (23x23 mm) |
| Mounting Type | Surface Mount |
| Peripherals | Ethernet, USB OTG, PCI connectivity set |
| Lifecycle Status | End of Life (per NXP product page) |
MCF54452VR266 360-tepbga (23x23 mm) Pin Configuration Guide
Pin configuration for MCF54452VR266 (360-tepbga (23x23 mm) 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 MCF54452VR266.
Refer to the datasheet for full pin configuration.
Typical Applications
MCF54452VR266 is suitable for 6 applications: Industrial Embedded Control, Networked Gateways and Protocol Converters, Consumer Connected Devices, PCI-Based Expansion Systems, USB OTG Peripheral and Host Designs, Data Aggregation and Logging Nodes.
Industrial Embedded Control
The MCF54452VR266 fits industrial embedded controllers that need a Linux-capable processor with deterministic connectivity. Its 266 MHz ColdFire V4 core with MMU supports full embedded Linux, while the integrated 10/100 Ethernet MAC provides factory-network attachment without an external MAC chip. In a typical controller board, the MPU boots from external NOR flash, executes from SDRAM, and uses the USB OTG port for field firmware updates and the PCI controller for adding motion-control or fieldbus cards. Because the MCF5445x family was explicitly developed for embedded control designs per NXP, the peripheral mix maps directly to PLC, HMI, and data-logger architectures. The trade-off is End of Life status, so industrial designs should secure a last-time-buy inventory buffer before committing the BGA-360 footprint.
Recommended
Networked Gateways and Protocol Converters
Protocol gateway designs benefit from the MCF54452VR266's combination of 10/100 Ethernet, USB OTG, and PCI on one die, letting a single processor bridge industrial buses, serial links, and IP networks. At 266 MHz, the ColdFire V4 core sustains multi-protocol stacks (Modbus TCP, OPC-style aggregation, serial-to-Ethernet tunneling) with headroom for TLS termination in software. The MMU enables a protected Linux environment running multiple protocol daemons concurrently, improving system robustness against a crashing task. Deployment topology is typically external NOR flash for the bootloader plus SDRAM for the stack. Performance consideration: the 10/100 Ethernet MAC limits line-rate throughput to 100 Mbps, so choose a faster platform only if gigabit aggregation is required; for 100 Mbps industrial gateways, this part matches the workload well.
Recommended
Consumer Connected Devices
NXP positions the MCF5445x family, including the MCF54452VR266, for consumer designs that need both high performance and connectivity while remaining power-conscious. Typical consumer applications include networked audio adapters, smart-home hubs, and connected appliance controllers, where the USB OTG port handles device-side accessory enumeration and the Ethernet MAC provides always-on connectivity. The 266 MHz V4 core with MMU comfortably runs embedded Linux distributions used in consumer firmware, and the single-chip integration reduces BOM cost by eliminating external USB and Ethernet controllers. The 23x23 mm TEPBGA package keeps board area modest for appliance-class products. Designers should note the End of Life designation and plan alternate sourcing for any consumer product with a multi-year production horizon.
Recommended
PCI-Based Expansion Systems
The integrated PCI controller distinguishes the MCF54452VR266 within its class: it can host PCI expansion cards directly, which suits modular test equipment, measurement chassis, and industrial PC-style boards. In a typical host role, the MPU arbitrates the PCI bus at up to 32-bit/66 MHz-class operation (per family documentation), letting designers attach off-the-shelf PCI peripheral silicon without a discrete bridge chip. Combined with 266 MHz CPU throughput and the MMU-driven Linux environment, this supports driver-richPCI ecosystems in compact embedded form factors. Layout consideration: PCI routing requires controlled-impedance traces and careful length matching on the BGA-360 breakout; follow the manufacturer's reference design. Because the part is ROMless and EOL, budget for external flash and a last-time-buy when specifying this architecture.
Recommended
USB OTG Peripheral and Host Designs
The USB on-the-go controller lets the MCF54452VR266 act as either USB host or device, which is valuable for portable instruments, data-acquisition pods, and devices that tether to PCs for configuration. In host mode, the MPU enumerates mass-storage or HID devices; in device mode, it presents as a vendor-specific or standard-class peripheral to a desktop host. Running at 266 MHz with an MMU, the core handles USB class drivers inside a Linux stack while concurrently processing application data. Typical design: the OTG port provides the single external connector, minimizing cabling and connector cost for battery-powered products. Performance note: USB transfer handling shares bus bandwidth with SDRAM traffic, so budget DMA channels and buffer sizes per the datasheet system-arbitration guidance to avoid audio-class underruns.
Recommended
Data Aggregation and Logging Nodes
For data-loggers and edge aggregation nodes, the MCF54452VR266 offers the right balance of processing and I/O: the 10/100 Ethernet MAC uploads records to back-end servers, while the MMU-backed Linux environment runs local storage management, compression, and time synchronization. The 266 MHz core sustains sustained write pipelines to external SDRAM with buffering to NAND or SD-class media attached over the family's memory interfaces. Typical topology places the MPU at the center of a star of serial and CAN-style front ends, with Ethernet as the uplink. Because the device is End of Life, deployment-critical logging nodes should stock spares proportionate to fleet size. Power-conscious design per NXP's family positioning also suits battery-buffered edge nodes that duty-cycle between acquisition and upload windows.
Recommended
Recommended Products Summary
Engineering reference data for MCF54452VR266 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | MCF54455VR266 | MCF54452VR240 | MCF54451VR266 | MCF54450VR266 |
|---|---|---|---|---|---|
| Package | 360-TEPBGA (23x23 mm) | 360-TEPBGA (23x23) - same | 360-TEPBGA (23x23) - same | 360-TEPBGA (23x23) - same | 360-TEPBGA (23x23) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | ColdFire V4 | ColdFire V4 | ColdFire V4 | ColdFire V4 | ColdFire V4 |
| Max Clock Frequency | 266 MHz | 266 MHz | 240 MHz | 266 MHz | 266 MHz |
| MMU | Yes | Yes | Yes | Yes | Yes |
| Ethernet MAC | 10/100 Ethernet | 10/100 Ethernet | 10/100 Ethernet | 10/100 Ethernet | 10/100 Ethernet |
| Lifecycle Status | End of Life | End of Life (family EOL per NXP) | End of Life (family EOL per NXP) | End of Life (family EOL per NXP) | End of Life (family EOL per NXP) |
Key Differentiators
- Integrated PCI controller (vs MCF54450VR266)
- MMU-enabled ColdFire V4 core at 266 MHz (vs MCF54452VR240)
- Full connectivity set on one die (vs MCF54451VR266)
Design Notes
The MCF54452VR266 is ROMless: all boot code must reside in external NOR flash mapped into the core's reset address space. Verify the flash device meets the ColdFire reset timing requirements and that the BSEL (bus select) strap pins configure the correct boot-width mode before first power-up. Mis-strapped boot configuration is the most common first-bring-up failure on MCF5445x boards. Additionally, the part is End of Life per NXP - lock in a last-time-buy or qualify a successor before committing the design to production.
The 360-ball TEPBGA (23x23 mm) requires a dense breakout layer stack; plan at least 6 layers with dedicated power and ground planes to handle the core and I/O rail distribution. Follow the manufacturer's recommended land pattern and fanout for the DDR/SDRAM memory interface, keeping address/control lines length-matched within the datasheet skew budget. Place decoupling capacitors beneath and around the package perimeter, with one bulk capacitor per supply domain. Reference the NXP MCF5445x hardware design guide and reference schematic before routing the PCI and Ethernet PHY connections.
The 266 MHz core clock and its SDRAM interface are the primary signal-integrity risks. Route high-speed memory traces over continuous ground planes, avoid crossing plane splits, and keep stubs minimal on address lines. The 10/100 Ethernet MAC requires an external PHY - use magnetics compliant with the PHY vendor's recommendation and follow standard 100BASE-TX differential-pair layout (90-ohm differential impedance, length-matched pairs). Verify JTAG access on the BGA escape routing for debug; losing JTAG on a 360-ball BGA rework cycle is costly.
Compliance Information
NXP product page lists Environmental Quality data for this part; specific RoHS/REACH status should be confirmed on nxp.com/part/MCF54452VR266 as compliance declarations were not included in the retrieved web data.
