MCF51JM128VLD - 32-bit ColdFire V1 MCU 128KB Flash | NXP
料号： MCF51JM128VLD ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $7.85 | $7.85 |
| 10 | $7.05 | $70.50 |
| 100 | $6.25 | $625.00 |
| 500 | $5.6 | $2,800.00 |
| 1,000 | $4.95 | $4,950.00 |
MCF51JM128VLD 概述
A microcontroller unit (MCU) is a single integrated circuit that combines a processor core, memory, and peripherals into one chip, forming the lowest tier of the embedded processing hierarchy: MCU -> embedded processor -> microprocessor -> system-on-chip. The ColdFire V1 core used here is a 32-bit reduced instruction set computing (RISC) architecture derived from the Motorola 68000 lineage, and the MCF51JM family is part of NXP's Flexis series, where 8-bit S08 and 32-bit ColdFire V1 devices share common peripherals and development tools for seamless migration.
Key features include flash read/program/erase across the full operating voltage and temperature range, a memory security circuit protecting the 16 KB RAM, four serial communication interfaces, and operation from -40C to +105C. The wide 2.7 V to 5.5 V supply range allows direct connection to 3.3 V or 5 V systems without level shifting, a significant advantage over 1.8 V to 3.6 V-only modern MCUs.
Architecturally, the V1 core executes ColdFire instructions at up to 50.33 MHz and is supported by the Flexis Controller Continuum, meaning code and peripheral configurations port easily between MCF51 and MC9S08 family members. Integrated peripherals reduce external component count in cost-sensitive designs.
Typical applications include industrial control panels, USB-enabled consumer devices, building automation nodes, and motor control front ends, where a 5 V-tolerant 32-bit MCU with ample flash simplifies the bill of materials.
When designing in, note the part's End of Life status: new designs should evaluate Flexis-compatible migration paths, while existing designs should secure last-time-buy inventory.
This page synthesizes distributor pricing data, drop-in same-family alternatives, and EOL replacement guidance not found in a single manufacturer document.
直接替换替代料： MCF51JM128VLD ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： MCF51JM128VLD （相同外形与封装尺寸） ——差异在于 Package, Connectivity, Maximum Clock Frequency, Series, Core Processor.
快速对比工具——选择替代料号进行并排对比：
MCF51JM64VLD
✅ 直接替换📋 参考替代料（不在目录中）
MCF51JM32VLD
✅ 直接替换📋 参考替代料（不在目录中）
MCF51JE128VLK
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$6.95 / 个
查看数据手册 →MCF51JM128VLD 最大额定值与电气特性
| Core Processor | ColdFire V1 (32-bit RISC) |
| Core Size | 32-bit |
| 最大时钟频率 | 50 MHz (50.33 MHz) |
| Flash Memory | 128 KB (128K x 8) |
| RAM Size | 16 KB |
| Supply Voltage Range | 2.7 V to 5.5 V |
| 工作温度 | -40C to +105C |
| 封装 | 44-LQFP (10x10 mm) |
| 安装类型 | Surface Mount |
| Series | MCF51JM (Flexis) |
| Flash Programming | Read/program/erase over full operating voltage and temperature |
| RAM Security | Security circuit included |
| Program Memory Type | FLASH |
MCF51JM128VLD 44-lqfp (10x10 mm) 引脚配置指南
MCF51JM128VLD（44-lqfp (10x10 mm) 封装）的引脚配置。 该数字 IC 包含 GPIO、通信接口（UART、SPI、I2C）和电源引脚。请参阅制造商数据手册以了解复用引脚功能和配置选项。对嵌入式系统设计和 PCB 布局至关重要。
暂无详细引脚数据： MCF51JM128VLD.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MCF51JM128VLD 适用于 6 应用s: Industrial Control Panels, USB Consumer Devices, Building Automation Nodes, Motor Control Front Ends, Test and Measurement Instrumentation, Legacy Embedded System Sustainment.
Industrial Control Panels
The MCF51JM128VLD fits industrial panel controllers because its 2.7 V to 5.5 V supply range connects directly to legacy 5 V PLC rails without regulators or level shifters, and the -40C to +105C rating survives enclosure-mounted thermal extremes. The 50 MHz ColdFire V1 core provides headroom for state-machine logic, HMI scanning, and communication stacks, while 128 KB flash stores field-updatable firmware over the full voltage and temperature range per the NXP datasheet. Peripherals integrate UART, SPI, and I2C functions that link the MCU to operator interfaces and I/O expanders. Since the part is EOL, use it in sustaining designs and secure last-time-buy stock for future production continuity.
推荐
USB Consumer Devices
The MCF51JM family targets USB-connected consumer products, and the 128 KB flash of the VLD variant accommodates USB enumeration tables, HID or CDC class firmware, and application logic with room to spare. The wide 2.7 V to 5.5 V input tolerance lets the MCU run from USB VBUS directly, and the 44-LQFP 10x10 mm footprint suits compact two-layer consumer boards. The 16 KB RAM with security circuit protects stored data in retail devices. Designers should confirm the specific USB peripheral configuration of the VLD speed/temperature grade in the MCF51JM128 datasheet, as USB capability varies across the JM family variants.
推荐
Building Automation Nodes
Building automation sensor and actuator nodes benefit from the MCF51JM128VLD's combination of 128 KB flash for protocol stacks (BACnet-lite, DALI gateways, Modbus RTU), 50 MHz processing for multi-channel polling, and full-temperature-range flash programming that allows remote firmware updates in rooftop or mechanical-room environments rated to +105C. The 5.5 V maximum supply permits direct operation from 24 V-derived 5 V auxiliary rails common in HVAC controllers. Its EOL status means new node designs should prefer active Kinetis parts, but existing installed-base node refresh can reuse this part while inventory lasts, minimizing requalification effort.
推荐
Motor Control Front Ends
For small motor control front ends - fan, pump, and actuator drivers - the MCF51JM128VLD provides deterministic 50 MHz ColdFire V1 execution for PWM generation, commutation sequencing, and current-loop supervisory logic, while on-chip ADC channels sample bus voltage and phase currents (verify channel count in the datasheet). The wide 5.5 V supply tolerance matches 5 V gate-driver logic domains, and the 44-LQFP thermal performance suits compact driver boards. The -40C floor supports outdoor pump and garage-door applications. For closed FOC control, NXP's 56F8xxx digital signal controllers offer higher computation throughput with comparable supply ranges.
推荐
Test and Measurement Instrumentation
Bench and portable instrumentation uses the MCF51JM128VLD as a front-panel controller: the 50 MHz core scans keys and updates displays while the main measurement ASIC handles acquisition, and 128 KB flash stores calibration constants with in-system reprogramming over the entire -40C to +105C range. The 5.5 V supply maximum simplifies integration with legacy 5 V analog front-end supplies common in laboratory instruments. The 16 KB RAM buffers measurement sequences and display frame data. Because the part is End of Life, instrument makers should hold last-time-buy inventory sized to service commitments before migrating panel-controller designs to active ARM-based MCUs.
推荐
Legacy Embedded System Sustainment
A primary practical use of MCF51JM128VLD today is sustaining shipping products whose firmware and PCB were qualified against the ColdFire V1 Flexis platform. Because MCF51JM64VLD and MCF51JM32VLD share the same 44-LQFP footprint and pinout, a design can be re-sourced within the family if firmware shrinks, and Rochester Electronics continues authorized manufacture of EOL Freescale/NXP parts. Procurement teams should combine authorized-channel last-time buys with a validated migration plan to NXP's active Kinetis portfolio, which preserves NXP toolchain investment while restoring lifecycle security and supply-chain longevity.
推荐
推荐产品汇总
工程参考数据： MCF51JM128VLD ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | MCF51JM64VLD | MCF51JM32VLD | MCF51JE128VLK |
|---|---|---|---|---|
| Package | 44-LQFP (10x10 mm) | 44-LQFP (10x10 mm) - same | 44-LQFP (10x10 mm) - same | LQFP (verify exact variant) |
| Brand | NXP Semiconductors (Freescale legacy) | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core | ColdFire V1, 32-bit | ColdFire V1, 32-bit | ColdFire V1, 32-bit | ColdFire V1, 32-bit |
| Max Clock | 50 MHz | 50 MHz | 50 MHz | 50 MHz |
| Flash Memory | 128 KB | 64 KB | 32 KB | 128 KB |
| Supply Voltage | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V | 2.7 V to 5.5 V |
| Operating Temperature | -40C to +105C | -40C to +105C | -40C to +105C | -40C to +105C |
| Lifecycle Status | End of Life | EOL family | EOL family | EOL family |
关键差异点
- Largest flash in the 44-LQFP JM family （对比 MCF51JM64VLD)
- Memory headroom over the entry variant （对比 MCF51JM32VLD)
- Full-feature set within the same footprint （对比 MCF51JE128VLK)
设计说明
The MCF51JM128VLD is officially End of Life per the NXP product page. Before committing it to any build of material, confirm date codes and authorized-channel sourcing (DigiKey Rochester Electronics listing, Mouser) to avoid counterfeit EOL stock from open-market brokers. Request NXP's discontinuance Product Change Notice to document the official last-order and last-ship dates in your component obsolescence management records.
Leverage the 2.7 V to 5.5 V supply range: the MCU can run directly from 5 V USB VBUS or 3.3 V rails without a regulator, and flash read/program/erase is specified across the full voltage and temperature range per the MCF51JM128 datasheet. Decouple VDD with 0.1 uF ceramic capacitors at each supply pin pair plus bulk capacitance per NXP reference designs; verify exact pin-count decoupling requirements in the datasheet pin connections table.
The 44-LQFP 10x10 mm footprint on a two-layer board is workable at 50 MHz, but route the crystal/oscillator traces short and guard them from switching I/O. If flash reprogramming occurs in the field across the full 5.5 V supply span, ensure the programming voltage tolerance is respected at the rail under worst-case load transients - brownouts during erase can corrupt flash. Keep 128 KB image builds under budget to allow later migration to the 64 KB MCF51JM64VLD if supply forces a substitution.
合规信息
NXP product page includes an Environmental Quality section, but specific RoHS/REACH/halogen values were not present in the retrieved data. Verify on nxp.com/part/MCF51JM128VLD before compliance sign-off.
