R7FA6M2AF3CFP#AA0 - 120MHz Arm Cortex-M4 MCU, 1MB Flash, 100-LFQFP | Renesas
N.º de pieza: R7FA6M2AF3CFP#AA0 ✓ Activo| Cant. | Precio unitario | Total |
|---|---|---|
| 1 | $11.5 | $11,50 |
| 10 | $10.35 | $103,50 |
| 100 | $9.2 | $920,00 |
| 500 | $8.3 | $4.150,00 |
| 1.000 | $7.45 | $7.450,00 |
R7FA6M2AF3CFP#AA0 Descripción general
An Arm Cortex-M4 microcontroller is a 32-bit MCU class member of the ARM Cortex-M family, characterized by a Harvard architecture, hardware single-precision floating-point unit, DSP extensions, deterministic interrupt handling via NVIC, and low power modes. Within the hierarchy, Cortex-M4 sits between Cortex-M3 (no FPU) and Cortex-M7 (higher performance); the broader family lineage covers Cortex-M0/M0+/M3/M4/M7/M23/M33, and ultimately belongs to the semiconductor > integrated circuit > microcontroller > 32-bit MCU > ARM-based MCU product type tree.
Key specifications of this part include a 120 MHz maximum CPU clock, 1 MB code flash, 384 KB SRAM, a 12-bit A/D converter with multiple channels, Ethernet MAC, USB 2.0 FS, CAN FD, multiple serial interfaces (SCI/SPI/I2C), and a wide operating voltage range typically from 2.7 V to 3.6 V. According to the Renesas RA6M2 group datasheet, this device also features security extensions, capacitive touch sensing, and a low-power RTC.
The R7FA6M2AF3CFP#AA0 is built on a low-power CMOS process and uses the Armv7E-M architecture with a 3-stage pipeline. Its integration of Ethernet and USB on-chip reduces external component count for connected products. The peripheral set is software- and pin-compatible with other RA6 series devices, enabling scalability across the Renesas RA family platform.
Typical applications include industrial sensor hubs, building automation controllers, IoT edge gateways with Ethernet, HMI panels, and motor-control auxiliary MCUs. The Ethernet MAC plus CAN FD combination supports Industry 4.0 nodes bridging fieldbus and corporate networks.
When designing with this device, ensure the 100-LFQFP land pattern is properly cooled via copper pour; the on-chip Ethernet PHY interface requires a reference clock and magnetics. Use Renesas e2 studio IDE and the RA Flexible Software Package (FSP) for firmware development.
This page synthesizes distributor pricing, parametric tables, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers evaluate and source the R7FA6M2AF3CFP#AA0 for production designs.
Alternativas directas para R7FA6M2AF3CFP#AA0 — 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 R7FA6M2AF3CFP#AA0 (mismo factor de forma y huella) — difiere en ADC, Package, SRAM.
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R7FA6M2AG3CFP#AA0
✅ Sustitución directa ⚠️ Especificaciones sin verificar📋 Alternativa de referencia (no en el catálogo)
R7FA6M2AF2CFP#AA0
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R7FA6M3AF3CFP#AA0
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R7FA6M5AF3CFP#AA0
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STM32F407VGT6
✅ Sustitución directa✓ En stock
$7.55 / unidad
Ver hoja de datos →R7FA6M2AF3CFP#AA0 Valores máximos y características eléctricas
| Product Type | 32-bit Microcontroller (MCU) |
| Series | RA6M2 (Renesas Advanced RA family) |
| Core Architecture | Arm Cortex-M4 with FPU and DSP (Armv7E-M) |
| Maximum CPU Clock | 120 MHz |
| Program Memory (Flash) | 1 MB |
| SRAM | 384 KB |
| Encapsulado | 100-pin LFQFP (14x14 mm) |
| Ethernet MAC | Yes (10/100 Mbps with DMA) |
| USB | USB 2.0 Full-Speed |
| CAN | CAN FD |
| ADC | 12-bit A/D converter |
| Tipo de montaje | Surface Mount |
Guía de configuración de pines de R7FA6M2AF3CFP#AA0 100-pin lfqfp (14x14 mm)
Configuración de pines para R7FA6M2AF3CFP#AA0 (encapsulado 100-pin lfqfp (14x14 mm)). 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 R7FA6M2AF3CFP#AA0.
Consulte la hoja de datos para ver la configuración completa de patillas.
Aplicaciones típicas
R7FA6M2AF3CFP#AA0 es adecuado para 6 aplicacións: Industrial Ethernet Gateway, Building Automation Controller, IoT Edge Sensor Hub, HMI Touch Panel Controller, Motor Control Auxiliary MCU, Smart Energy Meter.
Industrial Ethernet Gateway
The R7FA6M2AF3CFP#AA0's on-chip 10/100 Mbps Ethernet MAC with dedicated DMA makes it an ideal core for industrial protocol gateways bridging fieldbus networks to corporate Ethernet. The 120 MHz Cortex-M4 with FPU handles TCP/IP, MQTT, and Modbus TCP stacks without external MAC chips, while the 384 KB SRAM accommodates network buffers. Compared to microcontrollers without integrated Ethernet, this part reduces BOM cost and PCB area. The wide operating voltage range supports 24V industrial bus systems with proper regulation. The 100-LFQFP package exposes all required peripheral pins for stacklight HMI panels, sensor hubs, and edge controllers in Industry 4.0 deployments.
Recomendado
Building Automation Controller
Building automation systems require reliable, connected MCUs to control HVAC, lighting, and access systems. The R7FA6M2AF3CFP#AA0's 1 MB flash accommodates complex control algorithms and BACnet/Modbus stacks, while 384 KB SRAM supports multi-protocol buffering. The CAN FD interface enables integration with elevator control networks, and USB 2.0 FS allows local commissioning via standard USB hosts. Compared to lower-end Cortex-M0+ MCUs, this Cortex-M4 with DSP extension enables real-time signal processing for occupancy sensors and predictive maintenance algorithms. The 100-LFQFP package is well-suited for reflow soldering in volume building automation products.
Recomendado
IoT Edge Sensor Hub
IoT edge sensor hubs aggregate data from multiple sensors and relay it to cloud services via Ethernet or USB. The R7FA6M2AF3CFP#AA0's 12-bit ADC reads analog sensors, its multiple serial interfaces (SCI, SPI, I2C) connect to digital sensors, and Ethernet MAC uplinks to IP networks. The 120 MHz Cortex-M4 provides enough headroom for on-device analytics such as anomaly detection and FFT-based vibration analysis. Compared to wireless-only IoT MCUs, this part enables wired connectivity for factory floor installations where Wi-Fi is unreliable. The 1 MB flash supports secure boot and TLS libraries for edge-to-cloud security.
Recomendado
HMI Touch Panel Controller
Human-machine interface (HMI) panels combine a display, touch input, and connectivity. The R7FA6M2AF3CFP#AA0 supports capacitive touch sensing via dedicated hardware, drives TFT displays through SPI or parallel interfaces, and maintains communication via Ethernet or CAN FD. The Cortex-M4 with FPU accelerates GUI rendering libraries such as emWin or LVGL. Compared to ARM9-based legacy HMI controllers, this Cortex-M4 device delivers faster response at lower power. The 100-LFQFP package provides ample GPIO for parallel display interfaces and touch panel I/O. Industrial temperature grade supports factory floor HMI deployment.
Recomendado
Motor Control Auxiliary MCU
Auxiliary MCUs in motor control systems handle communication, fault detection, and user interface tasks separate from the main DSP/MCU controlling the inverter. The R7FA6M2AF3CFP#AA0's CAN FD interfaces with motor controllers and VFDs, Ethernet uplinks to plant SCADA systems, and the 12-bit ADC monitors motor currents, voltages, and temperatures. The Cortex-M4 DSP extension enables FFT-based vibration analysis for predictive maintenance. Compared to small 8-bit MCUs in legacy designs, this part offers integrated connectivity that eliminates external bridge chips. The 100-LFQFP package fits standard industrial control board form factors.
Recomendado
Smart Energy Meter
Smart energy meters require accurate ADC measurement, secure communication, and robust operation in electrical noise environments. The R7FA6M2AF3CFP#AA0's 12-bit ADC samples current and voltage waveforms, the Cortex-M4 DSP computes power quality metrics (THD, harmonics), and Ethernet or PLC connectivity uploads data to utility backhaul. The 1 MB flash supports secure boot, metering firmware, and DLMS/COSEM protocol stacks. Compared to dedicated metering SoCs, this general-purpose MCU offers more flexibility for custom feature sets. The 100-LFQFP package accommodates the necessary peripheral routing for metering reference designs.
Recomendado
Resumen de productos recomendados
Datos de referencia de ingeniería para R7FA6M2AF3CFP#AA0 — comparación, orientación de diseño e información de cumplimiento.
Guía de selección
Comparación con alternativas
| Parámetro | Este producto | R7FA6M2AG3CFP#AA0 | R7FA6M2AF2CFP#AA0 | R7FA6M3AF3CFP#AA0 | STM32F407VGT6 |
|---|---|---|---|---|---|
| Brand | Renesas Electronics | Renesas Electronics | Renesas Electronics | Renesas Electronics | STMicroelectronics |
| Package | 100-LFQFP (14x14) | 100-LFQFP (14x14) - same | 100-LFQFP (14x14) - same | 100-LFQFP (14x14) - same | 100-LQFP (14x14) - same |
| Core | Arm Cortex-M4 @ 120 MHz | Arm Cortex-M4 @ 120 MHz | Arm Cortex-M4 @ 120 MHz | Arm Cortex-M4 @ 120 MHz | Arm Cortex-M4 @ 168 MHz |
| Ethernet MAC | Yes (10/100 with DMA) | Yes | Yes | Yes (10/100) | |
| CAN FD | Yes | Yes | Yes | No (CAN 2.0B only) | |
| USB | USB 2.0 FS | USB 2.0 FS | USB 2.0 FS + HS | USB 2.0 FS + OTG |
Diferenciadores clave
- Integrated Ethernet MAC plus CAN FD on-chip (frente a STM32F407VGT6)
- Larger SRAM (384 KB vs 192 KB) (frente a STM32F407VGT6)
- Pin-compatible scalability within Renesas RA family (frente a Cross-brand Cortex-M4 parts)
Notas de diseño
Estimated: When the R7FA6M2AF3CFP#AA0 operates at 120 MHz with all peripherals active, typical current draw is approximately 50-80 mA from a 3.3 V supply (per Renesas RA6M2 datasheet typical characteristics). Decoupling requires a 10 uF bulk capacitor near VDD pins plus 100 nF ceramic capacitors on each VDD/VDDA pin pair. Place decoupling capacitors within 2 mm of each power pin. A ferrite bead or filter on analog VDD improves ADC noise performance for sensitive measurements.
The 100-LFQFP package has theta_JA around 50 C/W typical on a 4-layer JEDEC test board. At 80 mA active current and 3.3 V supply, dissipation is approximately 0.26 W, yielding a 13 C temperature rise above ambient - well within safe limits. For continuous full-load operation in enclosed industrial enclosures, ensure at least 1 square inch of copper pour on the top layer connected to the thermal pad and exposed pad for heat spreading.
Route the Ethernet differential pairs (REF_CLKx, ETH_TXD, ETH_RXD) as 50-ohm impedance-controlled traces with length matching within 2 mm. Keep PHY-to-MAC traces short and isolated from noisy power and signal traces. Place the 50 MHz external PHY clock crystal within 5 mm of the PHY CLK input with guard ground. The USB D+/D- pair also requires 90-ohm differential impedance. Use Renesas e2 studio and the RA Flexible Software Package (FSP) for validated Ethernet and USB middleware stacks.
Do not exceed the absolute maximum VDD rating during flash programming operations, as in-circuit programming can cause voltage transients. Ensure the MODE pins are correctly configured for the desired boot mode before applying power. When migrating from RA6M2 to RA6M3 or RA6M5, verify peripheral pin multiplexing changes via the Renesas RA pin configurator tool, as some alternate functions shift between group revisions even with the same package footprint.
Información de cumplimiento
RoHS/REACH compliance status not confirmed in verified web data; consult Renesas product page or contact manufacturer. Lead-free per Renesas RA6 family standard.
