R7FA2E1A73CNH#AA0

Microcontrollers Overview

The R7FA2E1A73CNH#AA0 is a 32-bit microcontroller from the Renesas RA2E1 series, built on the ARM Cortex-M23 core. It operates at a maximum frequency of 48MHz and includes 64KB of flash memory and 16KB of RAM. The device features an integrated AES hardware accelerator, a True Random Number Generator (TRNG), and capacitive touch sensing capabilities. Connectivity options include I2C, SPI, UART/USART, and smart card interfaces. It supports 13-channel 12-bit SAR ADCs and functions within a supply voltage range of 1.6V to 5.5V.

Microcontrollers Feature Summary

• Integrates hardware security modules including AES encryption and TRNG for secure data processing.
• Supports capacitive touch sensing for intuitive user interface interactions without external components.
• Provides versatile communication interfaces such as I2C, SPI, and UART for system connectivity.

Microcontrollers Applications

• Smart home appliances requiring secure communication and low power consumption
• Wearable devices utilizing capacitive touch controls
• Industrial sensor nodes with encrypted data transmission needs

Microcontrollers Procurement Notes

Verify the specific suffix AA0 against the official Renesas datasheet to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the 48-HWQFN package. Check for RoHS3 compliance status in current production lots. Confirm availability through authorized distributors to avoid counterfeit components.

Microcontrollers Selection Notes

Select this component when project requirements demand integrated security features like AES and TRNG alongside capacitive touch support. It is suitable for applications needing moderate performance with efficient power management. Compare pin counts and peripheral sets against alternative RA2E1 variants to ensure optimal resource utilization for the specific design constraints.

Microcontrollers Part Context

This part belongs to the RA2E1 group, designed for entry-level IoT and general-purpose applications. It shares the Cortex-M23 architecture with other RA2E1 variants but differs in memory size, package, and peripheral configuration. The RA2E1 series emphasizes energy efficiency and ease of development using the RA ecosystem.

Microcontrollers Replacement Considerations

Direct substitutes within the RA2E1 family include R7FA2E1A73CFM#AA0 and R7FA2E1A73DNE#AA0, which offer identical electrical specifications but differ in package style. Verify pinout compatibility before substitution.