MCF52252CAF66 - 66MHz ColdFire V2 MCU, 256KB Flash | NXP
料号： MCF52252CAF66 ✗ 停产| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $9.8 | $9.80 |
| 10 | $8.9 | $89.00 |
| 100 | $8.1 | $810.00 |
| 500 | $7.4 | $3,700.00 |
| 1,000 | $6.75 | $6,750.00 |
MCF52252CAF66 概述
A microcontroller (MCU) is a single integrated circuit that combines a processor core, program memory, data memory, and peripherals such as timers, serial interfaces, and analog functions on one die. Within the system hierarchy, an MCU sits above discrete logic and below application processors: it is the embedded control element in industrial equipment, consumer appliances, and networked devices. The ColdFire V2 core used here is a reduced-instruction-set (RISC) 32-bit architecture descended from the Motorola 68000 family, optimized for high code density and low interrupt latency.
Key features of the MCF52252CAF66 include the 66 MHz ColdFire V2 core, 256KB flash program memory, and rich connectivity: CAN bus, 10/100 Ethernet with hardware acceleration, I2C, QSPI, UART/USART, and USB On-The-Go (OTG). On-chip peripherals include DMA, low-voltage detect (LVD), power-on reset (POR), pulse-width modulation (PWM), and a watchdog timer (WDT), reducing external component count.
The MCF5225x family is highly integrated, featuring on-chip USB, Ethernet, CAN, and encryption functions, and is supported by the complete MQX RTOS at no additional cost according to NXP product literature. This software ecosystem, combined with the single-supply 3.3V operation typical of the family, makes system development straightforward.
Typical applications include industrial control nodes with CAN networking, Ethernet-connected sensors and gateways, and USB device accessories. The 56 general-purpose I/O lines give enough parallel capability for display, keypad, and relay interfacing in one chip.
Design consideration: the MCF52252CAF66 carries an NRND (Not Recommended for New Designs) lifecycle status on the NXP product page, so new designs should evaluate family alternatives while existing products can continue using this part.
This page synthesizes distributor sourcing data, lifecycle status, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
直接替换替代料： MCF52252CAF66 ——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： MCF52252CAF66 （相同外形与封装尺寸） ——差异在于 Series, Package, Core Processor, Program Memory Size, Core Size.
快速对比工具——选择替代料号进行并排对比：
MCF52252AF80
✅ 直接替换📋 参考替代料（不在目录中）
MCF52223CAF66
✅ 直接替换📋 参考替代料（不在目录中）
MCF5213CAF66
✅ 直接替换✓ 有现货
$19.82 / 个
查看数据手册 →MCF52254CAF66
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$18.25 / 个
查看数据手册 →MCF52252CAF66 最大额定值与电气特性
| Core Processor | ColdFire V2 |
| Core Size | 32-bit |
| 最大时钟频率 | 66 MHz |
| Program Memory Size | 256KB (256K x 8) FLASH |
| Program Memory Type | FLASH |
| 电源电压 | 3.3 V |
| Connectivity | CANbus, Ethernet, I2C, QSPI, UART/USART, USB OTG |
| Peripherals | DMA, LVD, POR, PWM, WDT |
| Number of I/O | 56 |
| 封装 | 100-LQFP (14x14 mm) |
| 安装类型 | Surface Mount |
| Terminal Form | Gull Wing |
| Package Shape | Square |
| Temperature Grade | Industrial |
| Series | MCF5225x |
| RTOS Support | MQX RTOS (no additional cost) |
MCF52252CAF66 square 引脚配置指南
MCF52252CAF66（square 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： MCF52252CAF66.
请参阅 数据手册 以查看完整引脚配置。
典型应用
MCF52252CAF66 适用于 6 应用s: Industrial CAN Networking Nodes, Ethernet-Connected Industrial Gateways, USB Peripheral Devices, Motor Control and PWM Systems, Building Automation Controllers, Test and Measurement Instrumentation.
Industrial CAN Networking Nodes
The MCF52252CAF66 fits industrial CAN networking because its on-chip CAN controller eliminates an external CAN peripheral, while the 66 MHz ColdFire V2 core and DMA keep protocol processing deterministic under load. In a typical node, the MCU runs the CANopen or DeviceNet stack from the 256KB flash, services the fieldbus via the CAN module, and exposes configuration through UART or I2C. The 56 GPIO lines drive relays, read sensors, and interface local HMIs. Industrial temperature grade and the watchdog timer with low-voltage detect support unattended operation in electrically noisy factory environments, and the MQX RTOS provides a supported software framework for the full protocol stack.
推荐
Ethernet-Connected Industrial Gateways
With an integrated 10/100 Ethernet MAC and hardware acceleration, the MCF52252CAF66 serves as the control element in protocol-conversion gateways that bridge plant IT networks and industrial fieldbuses. The MCU implements the TCP/IP stack (via the MQX RTOS networking stack) on one side and the CAN protocol on the other, with DMA offloading data movement to preserve interrupt latency. A single-supply 3.3V design simplifies the power tree, and the QSPI interface can attach a hardware security or storage device. Designers should budget for an external Ethernet PHY and magnetics, and should verify long-term supply given the NRND status for multi-year production programs.
推荐
USB Peripheral Devices
The USB On-The-Go controller of the MCF52252CAF66 lets the chip operate as a USB device, host, or dual-role peripheral, making it well suited to industrial data loggers, configuration interfaces, and PC-connected instruments. As a device, the MCU presents mass-storage, CDC-serial, or HID classes from 256KB flash with no external USB controller; as a host it can read USB flash drives for firmware updates or data offload. The 66 MHz core with DMA sustains full-speed USB throughput while running application code, and UART ports provide auxiliary connectivity. Reference firmware in the MQX USB stack shortens time to a certified class implementation.
推荐
Motor Control and PWM Systems
The on-chip PWM modules and general-purpose timers of the MCF52252CAF66 support multi-channel motor control and actuator drives in industrial equipment. The 66 MHz ColdFire V2 core executes control loops with adequate interrupt latency for PWM updates, while the QSPI interface reads encoder or resolver data through external ADCs. The 56 GPIO lines handle direction, enable, and fault-feedback signals, and the watchdog timer enforces fail-safe shutdown if firmware stalls. Typical uses include conveyor drives, pump controllers, and positioning stages where CAN connectivity integrates the drive into a factory automation network without additional communication ICs.
推荐
Building Automation Controllers
Building automation controllers benefit from the MCF52252CAF66 combination of Ethernet (for BMS backbone communication), CAN or UART (for field device buses), and 56 GPIO (for relay, damper, and sensor interfacing). The 3.3V single-supply operation suits always-on controllers where efficiency matters, and the 256KB flash accommodates protocol stacks plus application logic for HVAC, lighting, and access-control panels. The MQX RTOS supplies a TCP/IP stack and file system for configuration storage, and the industrial temperature grade covers rooftop and mechanical-room environments that exceed commercial ratings.
推荐
Test and Measurement Instrumentation
Bench and portable instruments use the MCF52252CAF66 as a system controller: the USB OTG port provides PC connectivity for data upload and remote control, the QSPI bus interfaces high-speed ADCs on the measurement front end, and UART ports drive auxiliary modules. The 66 MHz core handles command parsing, scaling, and display updates, while DMA keeps sample streaming continuous from the QSPI-attached converters into RAM. The watchdog and low-voltage-detect peripherals protect calibration data integrity during brown-out events, which matters for instruments that must retain reference settings across power disturbances.
推荐
推荐产品汇总
工程参考数据： MCF52252CAF66 ——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 | MCF52252AF80 | MCF52223CAF66 | MCF5213CAF66 | MCF52254CAF66 |
|---|---|---|---|---|---|
| Package | 100-LQFP (14x14 mm) | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same | 100-LQFP (14x14 mm) - same |
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Core / Clock | ColdFire V2 @ 66 MHz | ColdFire V2 @ 80 MHz | ColdFire V2 @ 66 MHz | ColdFire V2 @ 66 MHz | ColdFire V2 @ 66 MHz |
| Flash Memory | 256KB | 256KB | 256KB | 256KB | 512KB |
| Ethernet | Yes (10/100 MAC) | Yes (10/100 MAC) | No | No | Yes (10/100 MAC) |
| CAN | Yes | Yes | Yes | No | Yes |
| USB OTG | Yes | Yes | Yes | Yes (USB device) | Yes |
关键差异点
- Integrated Ethernet MAC with hardware acceleration （对比 MCF52223CAF66)
- Full connectivity set (Ethernet + CAN + USB OTG) （对比 MCF5213CAF66)
- Lower cost vs higher-clock sibling at identical footprint （对比 MCF52252AF80)
设计说明
The MCF52252CAF66 is NRND (Not Recommended for New Designs) per the NXP product page. Before committing a new design, verify supply continuity with your distributor and consider pre-qualifying the MCF52252AF80 variant, which is pin-compatible and in the same package. For genuinely new projects, evaluate NXP ARM Cortex-M parts, acknowledging that this requires PCB and firmware redesign rather than a drop-in swap.
The 100-LQFP (14x14 mm) gull-wing package requires a standard 0.5 mm pitch land pattern. Keep the Ethernet RMII/ MII traces between the MCU and external PHY short and length-matched where the PHY datasheet requires it. Place 0.1 uF decoupling capacitors at each supply pin pair plus one bulk capacitor per supply rail; the 66 MHz core with DMA switching produces current transients that local decoupling must absorb.
The MCF52252CAF66 operates from a 3.3V supply typical of the MCF52xx family. Estimated: budget supply current from the manufacturer datasheet electrical characteristics tables rather than assuming - ColdFire V2 current scales roughly with clock frequency, so the 80 MHz MCF52252AF80 variant will draw proportionally more. Ensure the low-voltage detect (LVD) threshold is configured so the watchdog and POR functions protect flash writes during brown-out conditions.
合规信息
The NXP product page lists an Environmental Quality section for this part, but specific RoHS/REACH status values were not present in the retrieved data. Verify compliance on the NXP product page before design-in.