MCF52252CAF66 - 66MHz ColdFire V2 MCU, 256KB Flash | NXP
N.º de pieza: MCF52252CAF66 ✗ Fin de vida| Cant. | Precio unitario | Total |
|---|---|---|
| 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 Descripción general
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.
Alternativas directas para MCF52252CAF66 — mismo encapsulado, compatible pin a pin. Se excluyen las piezas de otro encapsulado que requieren retrabajo de la PCB.
Variantes de esta serie
Modelos de la misma serie compatibles directamente con MCF52252CAF66 (mismo factor de forma y huella) — difiere en Series, Package, Core Processor, Program Memory Size, Core Size.
Herramienta de comparación rápida — seleccione piezas alternativas para compararlas lado a lado:
MCF52252AF80
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MCF52223CAF66
✅ Sustitución directa📋 Alternativa de referencia (no en el catálogo)
MCF5213CAF66
✅ Sustitución directa✓ En stock
$19.82 / unidad
Ver hoja de datos →MCF52254CAF66
✅ Sustitución directa ⚠️ Especificaciones sin verificar✓ En stock
$18.25 / unidad
Ver hoja de datos →MCF52252CAF66 Valores máximos y características eléctricas
| Core Processor | ColdFire V2 |
| Core Size | 32-bit |
| Frecuencia de reloj máxima | 66 MHz |
| Program Memory Size | 256KB (256K x 8) FLASH |
| Program Memory Type | FLASH |
| Tensión de alimentación | 3.3 V |
| Connectivity | CANbus, Ethernet, I2C, QSPI, UART/USART, USB OTG |
| Peripherals | DMA, LVD, POR, PWM, WDT |
| Number of I/O | 56 |
| Encapsulado | 100-LQFP (14x14 mm) |
| Tipo de montaje | Surface Mount |
| Terminal Form | Gull Wing |
| Package Shape | Square |
| Temperature Grade | Industrial |
| Series | MCF5225x |
| RTOS Support | MQX RTOS (no additional cost) |
Guía de configuración de pines de MCF52252CAF66 square
Configuración de pines para MCF52252CAF66 (encapsulado square). Este CI digital incluye GPIO, interfaces de comunicación (UART, SPI, I2C) y pines de alimentación. Consulte la hoja de datos del fabricante para conocer las funciones alternativas de los pines y las opciones de configuración. Esencial para el diseño de sistemas embebidos y el diseño de PCB.
No hay datos detallados de patillaje disponibles para MCF52252CAF66.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
MCF52252CAF66 es adecuado para 6 aplicacións: 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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
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.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para MCF52252CAF66 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | 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 |
Diferenciadores clave
- Integrated Ethernet MAC with hardware acceleration (frente a MCF52223CAF66)
- Full connectivity set (Ethernet + CAN + USB OTG) (frente a MCF5213CAF66)
- Lower cost vs higher-clock sibling at identical footprint (frente a MCF52252AF80)
Notas de diseño
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.
Información de cumplimiento
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.