company blog about Renesas R7FA2E1A72DNE Low Power RA2E1 48MHz ARM Cortex-M23 Embedded MCU

Renesas R7FA2E1A72DNE Low Power RA2E1 48MHz ARM Cortex-M23 Embedded MCU

Shenzhen Mingjiada Electronics Co., Ltd., as a professional electronic component supplier, provides the Renesas R7FA2E1A72DNE embedded microcontroller.

This MCU belongs to the entry-level products of Renesas' RA series, based on a 48MHz Arm Cortex-M23 core, specifically designed for low-power and high-performance applications.

【R7FA2E1A72DNE Core Features and Performance Parameters】

The R7FA2E1A72DNE incorporates a 48MHz Arm Cortex-M23 processor. This 32-bit single-core processor delivers efficient computational capabilities for embedded applications. Operating at a maximum frequency of 48MHz, it ensures rapid instruction execution.

In terms of memory configuration, the R7FA2E1A72DNE integrates 64KB of flash memory (for program storage) and 16KB of SRAM. It also features 4KB of data flash, providing data storage functionality similar to EEPROM, making it ideal for storing application parameters and user data.

The R7FA2E1A72DNE supports a wide operating voltage range (1.6V to 5.5V), enabling adaptation to diverse power environments, including battery-powered applications. Notably, it features extremely low operating power consumption, requiring only 250nA current in standby mode, significantly extending battery life.

In terms of I/O capabilities, the R7FA2E1A72DNE provides up to 37 I/O ports, supporting multiple communication interfaces including I²C, SmartCard, SPI, UART/USART, and more, delivering robust connectivity.

【R7FA2E1A72DNE Low Power and High Integration Advantages】

The R7FA2E1A72DNE exemplifies Renesas Electronics' industry-leading expertise in low-power process technology. Its optimized manufacturing process and low-power design make it particularly suitable for battery-powered applications and space-constrained environments.

For analog functionality, the R7FA2E1A72DNE integrates a suite of peripherals: a 12-bit ADC (up to 13 channels), temperature sensor, low-voltage detector, power-on reset circuit, PWM timer, and watchdog timer.

The R7FA2E1A72DNE also supports capacitive touch sensing, enabling modern user interface designs without external components.

【R7FA2E1A72DNE's Rich Peripheral and Interface Capabilities】

The R7FA2E1A72DNE integrates multiple peripherals to meet diverse requirements of modern embedded systems:

Enhanced Capacitive Touch Sensing Unit (CTSU): Supports touch sensing without external components, reducing system BOM costs.

High-Precision Analog Capabilities: Includes a 12-bit ADC, LPACMP, and temperature sensor for accurate analog signal measurement.

Flexible Timers: Features a 32-bit general-purpose PWM timer, a 16-bit general-purpose PWM timer, and a low-power asynchronous general-purpose timer to support diverse timing and PWM applications.

Multiple Communication Interfaces: Supports I²C, SmartCard, SPI, UART/USART protocols for seamless peripheral connectivity.

Real-Time Clock (RTC): Enables time and date tracking for applications requiring timestamping.

【R7FA2E1A72DNE Application Areas】

Home Appliances: Washing machines/dryers, dishwashers, refrigerators, cooking ranges, water heaters, etc.

Portable Medical Devices: Small battery-powered healthcare equipment

Industrial Automation: Digital pressure gauges, sensors, safety modules, motor actuators

Building Automation: HVAC systems, smoke detectors, thermostats, alarm systems, lighting control