MCF52236CAF50 - ColdFire V2 MCU, 50MHz, 256KB Flash, LQFP-80 | NXP
N.º da peça: MCF52236CAF50 ✗ Fim de vida| Qtd. | Preço unitário | Total |
|---|---|---|
| 1 | $19.68 | $19,68 |
| 10 | $17.95 | $179,50 |
| 100 | $14.62 | $1.462,00 |
| 500 | $12.4 | $6.200,00 |
| 1.000 | $10.85 | $10.850,00 |
MCF52236CAF50 Visão geral
A microcontroller (MCU) is a single-chip computer that integrates a CPU, memory, and peripherals. The ColdFire V2 core is a 32-bit RISC processor derived from the original Motorola 68000 architecture, designed for embedded control with a focus on code density and deterministic interrupt response. Within the broader taxonomy, this part fits as: ColdFire V2 -> ColdFire family -> 32-bit MCU -> microcontroller -> embedded processor -> semiconductor. ColdFire MCUs are widely deployed in industrial automation, building control, and networking equipment where predictable real-time performance is required.
Key features include 256KB of on-chip Flash program memory, 32KB of SRAM, integrated 10/100 Mbps Ethernet MAC and PHY, multiple serial peripherals (UART, I2C, SPI, I2S), a 10-channel 12-bit ADC, four 32-bit timers, and a 4-channel DMA controller. The on-chip EPHY eliminates the need for an external Ethernet transceiver, reducing BOM cost and PCB area for connected designs.
The architecture pairs the V2 ColdFire core with a Crossbar switch that provides multi-master bus arbitration to Flash, SRAM, and peripherals. The integrated EPHY supports both MII and RMII interfaces to the FEC, with HP Auto-MDIX for automatic crossover on twisted-pair lines. Hardware cryptography and tamper-detection features are not present on this 256KB Flash variant, but the wider MCF5223x family offers scalable memory and feature options.
Typical applications include industrial Ethernet nodes, factory automation controllers, building management systems, HVAC controllers, security panel interfaces, and smart-grid metering endpoints. The on-chip Ethernet and rich serial peripheral set make the part well suited to protocols such as Modbus TCP, EtherNet/IP, PROFINET, and BACnet/MS-TP gateways.
When designing with this MCU, allocate sufficient decoupling (100 nF plus 10 uF bulk) near each power pin and follow NXP's recommended power sequencing for Flash program/erase operations. The internal voltage regulator requires a minimum bulk capacitance on the internal supply rail; consult the device errata for any specific silicon revision notes before committing to volume production.
Alternativas drop-in para MCF52236CAF50 — mesmo encapsulamento, compatível pino a pino. Peças de encapsulamento diferente que exigem retrabalho na PCB são excluídas.
Variantes desta série
Modelos da mesma série compatíveis como drop-in com MCF52236CAF50 (mesmo formato e footprint) — diferindo em Package, Core Processor, Flash Memory, Lifecycle Status, Maximum Clock Frequency.
Ferramenta de comparação rápida — selecione peças alternativas para comparação lado a lado:
MCF52235CAL60
✅ Drop-In✓ Em estoque
$34.15 / unidade
Ver ficha técnica →MCF52223CAF80
✅ Drop-In✓ Em estoque
Consulte o preço
Ver ficha técnica →MCF52259CAF80
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MCF52210CAE80
✅ Drop-In ⚠️ Especificações não verificadas📋 Alternativa de referência (fora do catálogo)
MCF52236CAF50 Classificações máximas e características elétricas
| Core Architecture | ColdFire V2 (32-bit RISC) |
| Family | MCF5223x |
| Maximum CPU Frequency | 50 MHz |
| Program Flash Memory | 256 KB (256K x 8) |
| SRAM | 32 KB |
| Supply Voltage (Vdd) | 3.0 V to 3.6 V |
| Ethernet | 10/100 Mbps FEC + integrated EPHY (HP Auto-MDIX) |
| ADC | 12-bit, 10-channel |
| Timers | 4 x 32-bit (plus periodic interrupt timers) |
| DMA Channels | 4 |
| UART | 3 |
| I2C / SPI / I2S | Yes |
| Encapsulamento | 80-LQFP, 14 x 14 mm |
| Tipo de montagem | Surface Mount |
| Temperatura de operação | -40C to +85C (industrial) |
| Status RoHS | Compliant |
Guia de Configuração de Pinos do MCF52236CAF50 80-lqfp, 14 x 14 mm
Configuração de pinos para MCF52236CAF50 (pacote 80-lqfp, 14 x 14 mm). Este CI digital inclui GPIO, interfaces de comunicação (UART, SPI, I2C) e pinos de alimentação. Consulte o datasheet do fabricante para funções alternativas dos pinos e opções de configuração. Essencial para projeto de sistemas embarcados e layout de PCB.
Nenhum dado detalhado de pinagem disponível para MCF52236CAF50.
Consulte a ficha técnica para a configuração completa dos pinos.
Aplicações típicas
MCF52236CAF50 é adequado para 7 aplicaçãos: Industrial Ethernet Nodes, Building Management & HVAC Controllers, Security & Access Control Panels, Smart-Grid Metering Endpoints, Factory Automation I/O Modules, Medical Monitoring Equipment (Non-Critical), Point-of-Sale (POS) Terminals.
Industrial Ethernet Nodes
The MCF52236CAF50's integrated 10/100 Ethernet MAC and PHY make it a strong fit for industrial Ethernet nodes including slave devices on PROFINET, EtherNet/IP, and Modbus TCP networks. Operating at 50 MHz ColdFire V2 with 32KB SRAM, it provides deterministic interrupt latency for cycle-time-critical industrial protocols. Engineers typically pair the part with NXP's MQX RTOS for hard real-time behavior. The 256KB Flash is sufficient for typical protocol stack plus application code; the on-chip 4-channel DMA offloads Ethernet packet movement from the CPU. Power: 3.3 V single supply; the integrated EPHY eliminates the need for an external PHY, reducing BOM and PCB footprint.
Recomendado
Building Management & HVAC Controllers
In building management systems (BMS) and HVAC controllers, the MCF52236CAF50 provides a mix of connectivity, analog sensing, and deterministic control. The 10-channel 12-bit ADC digitizes temperature, humidity, and pressure sensors in rooftop units and variable-air-volume boxes. Multiple UART channels drive BACnet MS-TP or Modbus RTU trunks to field devices, while Ethernet supports BACnet/IP or LonWorks/IP gateways. ColdFire V2 deterministic interrupts ensure predictable loop times for closed-loop PID control of fans, dampers, and valves. The 80-LQFP package is industry-standard for HVAC I/O boards; the wide 3.0-3.6 V supply tolerates industrial 24 V input rails after regulation. NXP's ColdFire longevity program supports long product lifecycles required for building automation.
Recomendado
Security & Access Control Panels
Security and access-control panels benefit from the MCF52236CAF50's combination of Ethernet, multiple serial interfaces, and timers. The Ethernet controller connects panels to central monitoring software over IP; UART channels drive reader interfaces (Wiegand or OSDP), keypads, and downstream sub-panels. The four 32-bit timers provide precise scheduling for door-lock relays, alarm sirens, and watchdog functions. With 256KB Flash, engineers can implement encrypted credential storage, audit logging, and tamper-detection logic on-chip. ColdFire V2's deterministic interrupt response ensures alarms propagate with bounded latency. The 3.3 V operation and 14x14 mm LQFP package fit comfortably in metal enclosure designs where heat dissipation matters.
Recomendado
Smart-Grid Metering Endpoints
Smart-grid electricity, water, and gas metering endpoints deploy the MCF52236CAF50 for its on-chip Ethernet and robust industrial peripherals. The integrated EPHY allows meters to communicate over existing building Ethernet infrastructure without adding a separate PHY chip. The 12-bit ADC digitizes analog sensor inputs from current transformers, voltage dividers, or pulse-output meters; timers capture pulse counts with high accuracy. With AES-ready peripherals in the wider family, the part can encrypt tariff and consumption data before transmission. ColdFire V2's deterministic behavior supports billing-grade timing accuracy. Power-conscious designs can switch to low-power modes between transmissions using the part's integrated power-management controller.
Recomendado
Factory Automation I/O Modules
Distributed I/O modules in factory automation systems rely on the MCF52236CAF50 to provide IP67-rated field connectivity over industrial Ethernet. Multiple on-chip serial ports (UART, SPI, I2C) drive digital I/O slices, analog front-ends, and motor-control sub-circuits. The 12-bit ADC monitors sensor signals and the 32-bit timers drive PWM outputs for proportional valve control. With 256KB Flash and 32KB SRAM, the part supports complex I/O mapping firmware plus EtherNet/IP or PROFINET stack within a single chip. The integrated EPHY simplifies integration with industrial-grade RJ45 magnetics for IP67 connector assemblies. Designers benefit from ColdFire's deterministic interrupt handling for safety-rated I/O modules up to SIL-2.
Recomendado
Medical Monitoring Equipment (Non-Critical)
For non-critical medical monitoring equipment - patient bedside displays, vital-signs loggers, and asset-tracking tags - the MCF52236CAF50's integrated Ethernet and 12-bit ADC offer a compact 32-bit solution. The Ethernet MAC/PHY supports HL7 or MQTT-over-TCP/IP connectivity to hospital information systems; the 12-bit ADC digitizes SpO2, temperature, and motion-sensor signals at 10 channels. ColdFire V2 deterministic interrupts ensure stable sample timing for periodic data logging. Designers should verify IEC 60601-1 EMC compliance at the system level; the MCU itself does not carry medical-grade certifications. For designs requiring full IEC 60730/60335 functional safety, consider NXP's Kinetis KE series.
Recomendado
Point-of-Sale (POS) Terminals
POS terminals and self-service kiosks use the MCF52236CAF50's Ethernet MAC/PHY for IP-based card authorization and back-office reporting. Multiple UART channels drive barcode scanners, receipt printers, and customer displays; I2C/SPI connect to secure PIN pads and contactless card readers. The 12-bit ADC monitors battery state and supply voltage. With 256KB Flash, the part hosts Linux-aware firmware stacks plus payment-protocol firmware - though for higher-volume Linux deployments, a Cortex-A class MCU is preferred. ColdFire V2 deterministic interrupts keep card-read timing predictable, which is critical for EMV transaction latency.
Recomendado
Resumo dos produtos recomendados
Dados de referência de engenharia para MCF52236CAF50 — comparação, orientação de projeto e informações de conformidade.
Guia de seleção
Comparação com alternativas
| Parâmetro | Este produto | MCF52235CAL60 | MCF52223CAF80 | MCF52259CAF80 |
|---|---|---|---|---|
| Brand | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors | NXP Semiconductors |
| Package | 80-LQFP (14x14) | 80-LQFP/112-LQFP family | 80-LQFP (14x14) - same | 80-LQFP (14x14) - same |
| Core | ColdFire V2 50 MHz | ColdFire V2 60 MHz | ColdFire V2 80 MHz | ColdFire V2 80 MHz |
| Flash Memory | 256 KB | 256 KB | 256 KB | 256 KB |
| SRAM | 32 KB | 32 KB | 32 KB | 32 KB |
| Ethernet | FEC + EPHY (10/100) | FEC + EPHY (10/100) | FEC only (no EPHY) | FEC + EPHY (10/100) |
| ADC | 12-bit, 10-ch | 12-bit, 10-ch | 12-bit, 8-ch | 12-bit, 12-ch |
| Supply Voltage | 3.0-3.6 V | 3.0-3.6 V | 3.0-3.6 V | 3.0-3.6 V |
| Lifecycle Status | NRND | NRND | Obsolete | NRND |
Principais diferenciais
- Higher speed grade within same family (vs MCF52235CAL60)
- Faster core with fewer peripherals (vs MCF52223CAF80)
- Higher-end integration in same package (vs MCF52259CAF80)
Notas de projeto
The MCF52236CAF50 operates from a single 3.3 V supply, but internally uses a voltage regulator to derive the core logic rail. Place 100 nF ceramic decoupling capacitors within 5 mm of every VDD pin and add a 10 uF bulk capacitor on the main supply rail. For Ethernet-enabled designs, the analog supply AVDD must be filtered separately to avoid coupling digital switching noise into the EPHY analog blocks; use a ferrite bead and 10 uF/100 nF pair. VREF for the ADC should be bypassed with a low-ESR 10 uF and 100 nF pair to maintain ADC accuracy.
Follow NXP's recommended PCB layout for the 80-LQFP package: route the oscillator traces as short as possible with a ground guard ring; place the 32 kHz and 25 MHz crystals within 5 mm of the OSC pins. For Ethernet designs, follow the MCF52235 hardware design guide for the EPHY differential pair routing (50 ohm single-ended, 100 ohm differential), keeping the pair length-matched within 2 mm. The exposed pad of the LQFP should be soldered to a continuous ground plane with thermal vias (4-8 vias, 0.3 mm drill) to improve power dissipation.
Avoid the following: (1) Operating outside 3.0-3.6 V supply range can corrupt Flash during program/erase; (2) Enabling BDM pins as GPIO without proper isolation can lock the part in debug mode; (3) The integrated EPHY requires the center tap of the Ethernet magnetics to be properly decoupled; floating or wrong-polarity capacitors cause link-down issues; (4) Buffered Flash sectors must be unlocked before program/erase operations - failing to do so triggers hardware exceptions. Consult the device errata (MCF52235CE) for any specific silicon revision notes before committing to volume production.
Informações de conformidade
RoHS compliant, lead-free LQFP-80 package per DigiKey product listing. Reach SVHC declarations on file at NXP product page. Not AEC-Q100 qualified - this is an industrial-grade MCU. NXP's material declaration (MDDS) available on request.
