MCF52221CAE66 - 66MHz 128KB Flash 32-Bit MCU | NXP
料号： MCF52221CAE66 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $18.9756 | $18.98 |
| 10 | $0 | $0.00 |
| 100 | $0 | $0.00 |
| 500 | $0 | $0.00 |
| 1,000 | $0 | $0.00 |
MCF52221CAE66 概述
A microcontroller is an integrated circuit that combines a processor core, memory, peripherals, and I/O in one package. The ColdFire V2 core provides the instruction-processing foundation, while Flash retains embedded firmware in nonvolatile memory. USB full-speed OTG expands connectivity options for host, device, and portable USB applications. Within the device hierarchy, this MCU is a 32-bit microcontroller, a ColdFire MCU, and a semiconductor component designed for embedded control systems.
The primary verified characteristics are a 66MHz operating frequency, 128KB organized as 128K × 8 Flash, 32-bit architecture, and 64-LQFP package. DigiKey describes the device as a ColdFire V2 MCF5222x MCU, while Mouser identifies the USB full-speed OTG feature. The 10mm × 10mm LQFP format supports surface-mount assembly and is suitable for compact embedded-control equipment.
Technical evaluation should include clocking, memory map, USB electrical behavior, power requirements, peripheral availability, pin multiplexing, and software compatibility. The available snippets confirm the core frequency, Flash size, package, and USB feature, but they do not provide a complete pin list, RAM size, voltage range, temperature range, or peripheral inventory. Those values must be confirmed in the manufacturer datasheet before schematic capture or production release.
Typical uses for this family include industrial control, USB-connected embedded equipment, data acquisition, and communication-oriented control systems. The MCF52221CAE66 is most appropriate when firmware needs deterministic 32-bit processing, local nonvolatile program storage, and USB connectivity without a separate host processor.
A key design consideration is lifecycle planning. NXP's product page marks MCF52221CAE66 as End of Life, so new production use should be approved against the manufacturer product-change and purchasing information. Prototype or repair demand may still exist, but long-term sourcing should include roadmap review, last-time-buy assessment, and software maintenance planning.
This page combines the verified product summary, lifecycle information, sourcing context, and engineering cautions with the NXP part page and distributor records. It does not invent missing electrical or pin-level data; consult the manufacturer datasheet and PCN before design release.
直接替换替代料： MCF52221CAE66 ——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： MCF52221CAE66 （相同外形与封装尺寸） ——差异在于 Package, Flash Memory, Product Type, Maximum Clock Frequency, Architecture.
快速对比工具——选择替代料号进行并排对比：
该产品暂无直接替换替代料。
请求替代料MCF52221CAE66 最大额定值与电气特性
| Product Type | 32-bit microcontroller |
| Processor Core | ColdFire V2 |
| Maximum Stated Frequency | 66 MHz |
| Family Performance | Up to 76 MIPS at 80 MHz |
| Flash Memory | 128KB (128K × 8) |
| Architecture | 32-bit ColdFire RISC |
| USB Connectivity | USB full-speed OTG |
| 封装 | 64-LQFP (10mm × 10mm) |
| 引脚数量 | 64 pins |
| 安装类型 | Surface mount |
| 生命周期状态 | End of Life |
MCF52221CAE66 64-lqfp (10mm × 10mm) 引脚配置指南
MCF52221CAE66（64-lqfp (10mm × 10mm) 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： MCF52221CAE66.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MCF52221CAE66 适用于 6 应用s: Legacy USB Embedded Control, Industrial Data Acquisition, USB Peripherals and Dongles, Communication Gateways, Programmable Automation Controllers, Service Equipment Maintenance.
Legacy USB Embedded Control
The MCF52221CAE66 fits legacy USB embedded-control equipment that already targets the ColdFire V2 architecture and requires a 66MHz processor with USB full-speed OTG. It can manage device control, protocol handling, and local firmware execution in one 64-LQFP device while retaining 128KB of Flash. The main advantage is board and software continuity for an established platform. The trade-off is its End of Life designation, which makes supply planning and firmware maintenance more important than for an active MCU.
推荐
Industrial Data Acquisition
For an existing industrial acquisition controller, the MCF52221CAE66 provides a 32-bit ColdFire V2 processing core, 66MHz frequency, and 128KB Flash for local program storage. USB full-speed OTG can support a host-side data path where system requirements permit. Its suitability for a new industrial product depends on confirming supply voltage, temperature range, isolation, analog interfaces, and qualification. Because the MCU is End of Life, it is best treated as a maintenance or legacy-platform choice.
推荐
USB Peripherals and Dongles
The MCF52221CAE66 can serve as the controller inside a USB peripheral or dongle when an established design requires ColdFire V2 software compatibility and a 66MHz execution rate. Its 128KB Flash provides local firmware storage, while USB full-speed OTG supports direct connectivity. A replacement must preserve USB device behavior, pin multiplexing, clock configuration, power states, and boot expectations. The 10mm × 10mm 64-LQFP package also demands careful PCB layout and thermal review.
推荐
Communication Gateways
A legacy gateway can use the MCF52221CAE66 for protocol translation, status aggregation, and USB-connected configuration when the board is already based on this MCU. The 32-bit ColdFire V2 core runs at 66MHz, and 128KB Flash supports embedded firmware. Integration is practical only after checking available communications peripherals, RAM, interrupt requirements, and USB electrical implementation. For long-life gateway development, an active MCU platform may offer better sourcing despite requiring board and firmware work.
推荐
Programmable Automation Controllers
The MCF52221CAE66 is applicable to a legacy programmable automation controller when software depends on its ColdFire V2 instruction set and 32-bit processing. At 66MHz with 128KB Flash, it can execute control firmware and coordinate USB service tasks. Engineering review must confirm I/O availability, timing, real-time response, input voltage, and environmental limits because those details are absent from the supplied snippets. Production adoption also requires an explicit lifecycle strategy for the End of Life device.
推荐
Service Equipment Maintenance
For maintenance of installed service equipment, MCF52221CAE66 can reproduce the known controller behavior of an original MCF5222x design more effectively than an unrelated MCU with different peripherals or software model. Its 66MHz ColdFire V2 core, 128KB Flash, and USB full-speed OTG match the verified device identity. A repair decision should first compare markings, package, firmware, and board revision. Distributor stock may assist urgent repairs, but procurement should record traceability and sourcing risk.
推荐
工程参考数据： MCF52221CAE66 ——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 |
|---|---|
| Brand | NXP Semiconductors |
| Package | 64-LQFP (10mm × 10mm) |
| Processor Core | ColdFire V2 |
| Operating Frequency | 66 MHz |
| Flash Memory | 128KB (128K × 8) |
| USB Connectivity | USB full-speed OTG |
| Architecture | 32-bit ColdFire RISC |
| Lifecycle Status | End of Life |
关键差异点
- Legacy ColdFire V2 compatibility （对比 Generic 32-bit 66MHz MCU)
- Integrated USB full-speed OTG （对比 MCF52213AE50)
- Defined Flash configuration （对比 Generic 128KB Flash MCU)
- Legacy board continuity （对比 MCF52236AF50)
设计说明
Do not treat a similar clock speed or Flash size as proof of replacement. Validate the 64-LQFP pinout, alternate-function mapping, USB signals, power pins, boot configuration, clocking, memory map, and peripheral electrical limits. The verified snippets do not provide a complete pin list, so schematic and firmware decisions must use the applicable NXP MCF5222x documentation.
Confirm the supported supply range, decoupling requirements, I/O voltage domains, USB transceiver limits, and maximum pin loading from the manufacturer datasheet before layout. Those values are not present in the supplied snippets and must not be inferred from the 3.3V-class association of legacy ColdFire devices. Include appropriate local supply filtering and USB signal protection only after confirming the official requirements.
Design the 64-LQFP footprint and routing from the official package drawing, not from a generic LQFP library. Check pad dimensions, pin-1 orientation, solder-mask clearance, and courtyard compatibility. Keep sensitive USB traces controlled and provide clean reference and return paths. Prototype assembly should use an NXP-compatible footprint and inspect joints carefully because fine-pitch package rework can introduce reliability issues.
Plan the End of Life lifecycle before committing new production. Record the exact NXP product-change notices, last-time-buy status, approved suppliers, incoming inspection requirements, and software ownership. The verified distributor references may support repair or limited sourcing, but distributor inventory is not a substitute for a manufacturer roadmap. A redesign to an active MCU may require pin, clock, peripheral, and firmware adaptation.
合规信息
The supplied product and distributor results do not include verified environmental-compliance declarations. NXP marks the part End of Life; review the manufacturer product page and product-change documentation for qualification and material-status information.
