MCF54451VM240J - 240MHz ColdFire V4 MPU, 256-MAPBGA | NXP
MPN： MCF54451VM240J ✗ 停產MCF54451VM240J 概覽
An MPU (Microprocessor Unit) is a high-integration embedded processor that typically combines a CPU core, memory management unit, optional cache, and a rich peripheral set into a single IC, occupying the middle ground between a microcontroller (MCU) and an application processor. The MCF5445x family integrates a ColdFire V4 core with variable-length ColdFire instruction set plus peripherals for industrial networking, human-machine interface (HMI), and graphics, and provides external memory controllers to interface SDRAM, NOR flash, and NAND flash. In the broader taxonomy, the MCF54451 belongs to microprocessor -> embedded processor -> 32-bit processor -> RISC processor -> integrated circuit, and is a predecessor in lineage to the modern NXP i.MX RT and Kinetis families.
Key features include 240 MHz core frequency, 32-bit data path, integrated MMU for virtual memory and protected OS operation, ROMless boot from external flash, and a 256-ball MAPBGA package enabling high-density PCB routing. The 17x17 mm body with 1.0 mm ball pitch is the same MAPBGA footprint used across the MCF5445x family, supporting layout reuse for cost-reduced or feature-extended migration within the family. Hardware debug is supported through NXP BDM (Background Debug Mode) and JTAG interfaces, and a wide range of peripherals - including Ethernet MAC, USB, CAN, DDR/SDRAM controller, PCI, and LCD controller - is integrated on-chip.
The ColdFire V4 core implements a 4-stage pipeline with 32-bit registers and ColdFire ISA backward-compatibility, paired with separate instruction and data caches and a tightly-coupled memory controller for deterministic interrupt latency. The integrated MMU enables full protected-mode Linux, MQX, and other RTOS operation, while the ROMless architecture allows designers to select external boot media (NOR flash, NAND flash, or serial flash) appropriate to their application and update strategy.
Typical applications include industrial automation controllers, HMI panels, networked printers, point-of-sale terminals, building automation gateways, medical instrumentation front-ends, and embedded Linux/MQX appliances. The part is well-suited to designs that previously specified Freescale ColdFire 68k-derivative MCUs/MPUs but now require higher integration and MMU support.
A key design consideration is the 1.0 mm-pitch BGA, which requires PCB fabrication with laser-drilled microvias or HDI stack-up and reflow profiling suitable for large 256-ball packages; signal integrity for the DDR/SDRAM interface also benefits from matched-length routing and proper decoupling. Designers targeting NRND parts should evaluate migration to active ColdFire successors before committing to a new design.
This page synthesizes real-time distributor inventory, MCF5445x family datasheets, drop-in pin-compatible alternatives, and practical PCB and thermal design notes for the MCF54451VM240J - a level of consolidated, decision-ready information not found in any single manufacturer or distributor page.
直接替換替代品，適用於 MCF54451VM240J — 相同封裝，腳位對腳位相容。需重新設計 PCB 的不同封裝零件不列入。
此系列的變體
與下列產品可直接替換的同系列型號： MCF54451VM240J （相同外形與佔位） — 差異在於 Operating Temperature, Program Memory Type.
MCF54452VM240
✅ 直接替換📋 參考替代品（不在目錄中）
MCF54453VM240
✅ 直接替換📋 參考替代品（不在目錄中）
MCF54454VM240
✅ 直接替換📋 參考替代品（不在目錄中）
MCF54451VM240
✅ 直接替換聯絡詢價
查看資料表 →MCF54451VM240J 最大額定值與電氣特性
| Manufacturer | NXP Semiconductors (formerly Freescale) |
| Series / Family | MCF5445x |
| Core Architecture | ColdFire V4 (32-bit) |
| Core / Device Subtype | MPU (Microprocessor Unit) |
| Maximum CPU Clock | 240 MHz |
| 資料匯流排寬度 | 32-bit |
| MMU (Memory Management Unit) | Yes |
| Program Memory Type | ROMless |
| Package Type | 256-MAPBGA |
| Package Dimensions | 17 mm x 17 mm |
| Ball Pitch | 1.0 mm |
| 安裝類型 | Surface Mount (BGA) |
| Temperature Grade | Commercial (J suffix, 0C to +70C) |
| 工作溫度 | 0C to +70C (commercial) |
| Debug Interface | BDM / JTAG |
MCF54451VM240J 17 mm x 17 mm 腳位配置指南
MCF54451VM240J（17 mm x 17 mm 封裝）的腳位配置。 此數位 IC 包含 GPIO、通訊介面（UART、SPI、I2C）與電源腳位。替代腳位功能與配置選項請參閱製造商資料表。對嵌入式系統設計與 PCB 佈局至關重要。
無詳細腳位定義資料： MCF54451VM240J.
請參閱 資料表 以查看完整腳位配置。
典型應用
MCF54451VM240J 適用於 6 應用s: Industrial Automation Controller, Human-Machine Interface (HMI) Panel, Networked Printer / MFP Controller, Building Automation Gateway, Point-of-Sale (POS) Terminal, Medical Instrumentation Front-End.
Industrial Automation Controller
The MCF54451VM240J's 240 MHz ColdFire V4 core, integrated MMU, and rich industrial peripheral set (Ethernet MAC, CAN, USB, PCI) make it well suited for PLCs, motion controllers, and industrial gateway designs. The MMU enables protected-mode Linux or MQX for deterministic multi-tasking, while the 256-MAPBGA footprint supports high-density routing of multi-protocol industrial buses. Designers typically pair this MPU with external DDR memory for deterministic real-time response and connect it to industrial Ethernet, RS-485, and CAN transceivers via the on-chip MACs. Compared with bare-metal MCUs, the MMU-backed architecture simplifies deployment of secure field-updatable firmware at scale.
推薦
Human-Machine Interface (HMI) Panel
For graphical HMI panels in factory automation and building controls, the MCF54451VM240J's ColdFire V4 core provides sufficient compute for embedded Linux graphical user interfaces while keeping the BOM simpler than an application processor. The on-chip SDRAM/DDR controller drives TFT LCD panels through an external bridge, and the MMU supports Qt/Embedded or similar GUI frameworks. The 256-MAPBGA package supports high-density routing required by TFT data buses and capacitive-touch I2C/SPI interfaces. Power dissipation is typically under 2W at 240 MHz, allowing fanless sealed HMI enclosures without active cooling.
推薦
Networked Printer / MFP Controller
Office multifunction printers and networked printers require an MPU capable of running embedded Linux with TCP/IP stacks, USB device/host, and high-speed page rendering. The MCF54451VM240J's 240 MHz ColdFire V4 core, MMU, Ethernet MAC, and USB controller satisfy these requirements, and its 32-bit data path accelerates image rasterization pipelines. The 256-MAPBGA footprint supports routing to multiple USB ports, Ethernet, and scanner/printer engine interfaces. The MMU enables multi-tasking between print engine control, network services, and user interface without driver conflicts common in bare-metal designs.
推薦
Building Automation Gateway
BACnet, Modbus, KNX, and LonWorks building automation gateways benefit from the MCF54451VM240J's Ethernet MAC, CAN, and serial peripherals, which consolidate multiple fieldbus interfaces into one MPU. The ColdFire V4 core's deterministic interrupt latency supports real-time BACnet/IP scheduling, while the MMU runs embedded Linux with secure fieldbus stacks. The 256-MAPBGA package enables compact gateway PCBs that still expose Ethernet, RS-485, and isolated CAN ports. Compared with multi-MCU designs, a single MCF54451VM240J reduces BOM and firmware complexity.
推薦
Point-of-Sale (POS) Terminal
POS terminals require secure boot, encrypted payment flows, USB peripherals (card readers, printers), Ethernet for IP payments, and an LCD/touch user interface. The MCF54451VM240J's MMU runs a protected-mode OS that can host payment applications, and the ColdFire V4 core drives the LCD, USB, and Ethernet simultaneously without jitter. The 256-MAPBGA package supports routing to multiple secure peripherals and tamper-detection circuits. Compared with smaller MCUs, the MMU simplifies PCI-PTS isolation requirements by enabling distinct address spaces for payment vs user-facing code.
推薦
Medical Instrumentation Front-End
Medical devices such as patient monitors, infusion pumps, and diagnostic analyzers benefit from the MCF54451VM240J's deterministic ColdFire V4 core and MMU-backed RTOS support for safety-critical software isolation. The integrated Ethernet and USB enable connectivity to hospital networks and service tools, while the 32-bit data path accelerates signal-processing front-ends. Designers should pair the MPU with an external watchdog/supervisor and use the MMU for separation between safety-critical and non-safety code per IEC 62304. The commercial temperature grade suits equipment deployed in controlled clinical environments.
推薦
推薦產品摘要
工程參考資料，適用於 MCF54451VM240J — 比較、設計指引及合規資訊。
選型指南
與替代品比較
| 參數 | 本產品 | MCF54452VM240 | MCF54453VM240 | MCF54454VM240 | MCF54451VM240 |
|---|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 256-MAPBGA (17x17 mm) | 256-MAPBGA (17x17 mm) - same | 256-MAPBGA (17x17 mm) - same | 256-MAPBGA (17x17 mm) - same | 256-MAPBGA (17x17 mm) - same |
| Core Architecture | ColdFire V4 | ColdFire V4 | ColdFire V4 | ColdFire V4 | ColdFire V4 |
| Maximum CPU Clock | 240 MHz | 240 MHz | 240 MHz | 240 MHz | 240 MHz |
| MMU | Yes | Yes | Yes | Yes | Yes |
| Program Memory | ROMless | ROMless | ROMless | ROMless | ROMless |
| Key Peripherals | Baseline (Ethernet, USB, CAN, PCI, DDR ctrl) | Enhanced connectivity | Adds LCD controller | Full graphics + connectivity | Baseline (same as this) |
主要差異化特點
- MMU-enabled ColdFire V4 in 256-MAPBGA (對比MCF5329CVM240)
- Family-internal scalability without PCB rework (對比MCF54453VM240)
- 240 MHz performance with industrial peripheral integration (對比Generic ARM Cortex-M3/M4 MCU)
設計說明
The 256-ball MAPBGA at 1.0 mm pitch requires HDI PCB fabrication with laser-drilled microvias. Use a 6-layer or 8-layer sequential-laminated stack-up to fan out the inner balls; standard 4-layer FR-4 may not allow clean escape routing. Match the DDR/SDRAM traces for length and impedance per the NXP MCF5445x reference design; place decoupling capacitors as close as possible to each power pin with a 0.1uF + 10uF combination.
Estimated: at 240 MHz with full peripheral activity, the MCF54451VM240J typically dissipates 1.0-1.5W. With the 256-MAPBGA thermal pad, ensure the PCB land pattern includes a continuous thermal via array (0.3 mm drill, 1.0 mm pitch) tied to an internal ground plane. For sealed enclosures without airflow, derate the clock or add a small heatsink to keep junction below 100C at the upper commercial temperature limit.
Boot configuration is set via external resistors on specific balls - consult the NXP MCF54451 reference manual before laying out the PCB, as post-layout changes are expensive. The ROMless design requires external NOR flash or serial flash for boot; verify the chosen boot device is supported in the silicon revision you are sampling. Confirm the 'J' suffix commercial temperature grade suits your deployment environment; for industrial or automotive, choose an appropriate ColdFire variant or migrate to a Kinetis/i.MX RT part.
合規資訊
RoHS/REACH/lead-free compliance certificates must be requested from NXP for production documentation. AEC-Q100 not applicable - the 'J' suffix designates the commercial (0C to +70C) temperature grade, not automotive.
