Renesas R7FA2E3053CFL#BA0

Overview

R7FA2E3053CFL#BA0 from Renesas is an ultra-low-power 32-bit Arm® Cortex®-M23 microcontroller operating at up to 48 MHz, featuring 32-KB code flash, 16-KB SRAM, a 12-bit ADC with 10 input channels, and integrated safety functions including SRAM parity, CAC, CRC, and IWDT. It targets cost-sensitive industrial sensor nodes and battery-powered HMI interfaces requiring functional safety support.

For engineers reviewing the R7FA2E3053CFL#BA0 datasheet, R7FA2E3053CFL#BA0 pinout, R7FA2E3053CFL#BA0 application, or R7FA2E3053CFL#BA0 equivalent, key selection criteria include its -40°C to +105°C industrial temperature rating, 48-pin LQFP package with 37 GPIOs (including 3× 5-V-tolerant pins), and dual PWM timer architecture supporting BLDC motor control and precise timing in resource-constrained embedded systems.

Technical Context

The R7FA2E3053CFL#BA0 implements the Armv8-M architecture with Memory Protection Unit (MPU) and CoreSight™ MTB-M23 trace, enabling secure, debuggable real-time operation. Its clock system integrates HOCO (48 MHz), SOSC (32.768 kHz), and IWDT-dedicated 15-kHz oscillator for fail-safe timing.

System-level features include Event Link Controller (ELC) for CPU-free peripheral coordination, Data Transfer Controller (DTC) for autonomous memory transfers, and Safety mechanisms such as ADC self-diagnosis, register write protection, and illegal memory access detection - all validated for IEC 61508 SIL2-ready designs.

Key Specifications

Pinout & Package

Package: 48-pin LQFP (PLQP0048KB-B), 7 mm × 7 mm, 0.5 mm pitch, industrial-grade (-40°C to +105°C).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar microcontroller applications.

Compared with R7FA2E3073CFL#BA0, the R7FA2E3053CFL#BA0 trades flash capacity for optimized cost in fixed-function industrial nodes; versus R7FA2E1083CFL#AA0, it delivers certified safety primitives essential for medical or process control, despite slightly lower flash density.

Availability

R7FA2E3053CFL#BA0 is available at Aetrix Electronics and suitable for industrial sensor nodes, smart HVAC controllers, PLC I/O modules, and medical infusion pump controllers requiring stable component supply across extended product lifecycles.

Supply support for R7FA2E3053CFL#BA0 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Renesas Electronics is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RA2E3 Group is designed for ultra-low-power, safety-aware industrial and consumer edge devices - balancing energy efficiency, functional safety, and cost-effectiveness in compact packages.

FAQ

What is the maximum operating frequency and core architecture of the R7FA2E3053CFL#BA0?

The R7FA2E3053CFL#BA0 features an Arm Cortex-M23 core compliant with the Armv8-M architecture and operates at a maximum frequency of 48 MHz. This enables deterministic real-time performance while maintaining ultra-low power consumption. The core includes an 8-region Memory Protection Unit (MPU) and CoreSight™ MTB-M23 trace for secure, debuggable operation - all confirmed in the R01DS0411EJ0130 datasheet Rev.1.30.

Does the R7FA2E3053CFL#BA0 support functional safety standards like IEC 61508?

Yes, the R7FA2E3053CFL#BA0 integrates multiple hardware safety features required for IEC 61508 SIL2 development, including Clock Frequency Accuracy Measurement Circuit (CAC), Cyclic Redundancy Check (CRC) calculator, Data Operation Circuit (DOC), Independent Watchdog Timer (IWDT), SRAM parity checking, and register write protection. These are documented in Section 1.1 and Table 1.9 of the R01DS0411EJ0130 datasheet.

What are the analog capabilities of the R7FA2E3053CFL#BA0, and how many ADC channels does it support?

The R7FA2E3053CFL#BA0 includes a 12-bit successive approximation ADC (ADC12) with 10 selectable input channels (AN000–AN010), plus an on-chip temperature sensor (TSN) routed to the ADC. It supports internal reference voltage selection and operates across the full 1.6–5.5 V VCC range. This configuration is specified in Table 1.8 and Section 2.2.1 of the R01DS0411EJ0130 datasheet.

Which package type and pin count does the R7FA2E3053CFL#BA0 use, and what is its temperature grade?

The R7FA2E3053CFL#BA0 uses a 48-pin LQFP package (PLQP0048KB-B, 7 mm × 7 mm, 0.5 mm pitch) and is rated for industrial operation from -40°C to +105°C. This is explicitly defined in the part numbering scheme (Figure 1.2) and confirmed in Table 1.11 of the R01DS0411EJ0130 datasheet Rev.1.30.

How many communication interfaces does the R7FA2E3053CFL#BA0 provide, and which protocols are supported?

The R7FA2E3053CFL#BA0 provides SCI × 4 (supporting UART, simple I²C, simple SPI, and Smart Card), I²C bus interface × 1, and SPI × 1. Each SCI channel supports asynchronous and synchronous modes, with FIFO buffers on SCI0 for full-duplex operation. These interfaces are detailed in Table 1.7 and Section 1.5 of the R01DS0411EJ0130 datasheet.