Renesas R7FA4E2B93CFM#BA0

Overview

R7FA4E2B93CFM from Renesas is a 32-bit Arm® Cortex®-M33 microcontroller operating at up to 100 MHz, featuring 128 KB code flash, 4 KB data flash, and 40 KB SRAM. It integrates USB Full-Speed, CAN FD, I3C, dual SPI, dual SCI, SSIE, CEC, 12-bit ADC/DAC, temperature sensor, TrustZone security, and operates from 2.7–3.6 V across –40°C to +105°C - deployed in industrial motor control, smart metering, and secure IoT edge nodes.

For engineers reviewing the R7FA4E2B93CFM datasheet, R7FA4E2B93CFM pinout, R7FA4E2B93CFM application, or R7FA4E2B93CFM equivalent, key selection criteria include its LQFP-64 package with 45 GPIOs (11 5-V tolerant), dual AGT timers for low-power wake-up, GPT16E × 4 for BLDC motor PWM, and hardware-enforced TrustZone memory partitioning for secure firmware updates.

Technical Context

The R7FA4E2B93CFM implements Armv8-M architecture with TrustZone, supporting secure/non-secure MPU regions (8+8), dual SysTick timers, and CoreSight ETM-M33 trace. Its clock system includes MOSC (8–24 MHz), SOSC (32.768 kHz), HOCO/MOCO/LOCO oscillators, and PLL - enabling precise timing for USBFS and CANFD synchronization.

Peripheral interconnect uses Event Link Controller (ELC) for CPU-free peripheral triggering and Data Transfer Controller (DTC) + 8-channel DMAC for zero-CPU data movement. Analog subsystem combines ADC12 (12 ch), DAC12 (1 ch), and on-die TSN with linear voltage-to-temperature response calibrated for ±2°C accuracy over full temperature range.

Key Specifications

Pinout & Package

Package: 64-pin LQFP (10 mm × 10 mm, 0.5 mm pitch), RoHS-compliant Sn finish, exposed die pad recommended to be connected to VSS.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7FA4M2AF3CFM and R7FA2E2A93CFM, the R7FA4E2B93CFM delivers optimal balance of performance (100 MHz), security (TrustZone), and connectivity (USBFS + CAN FD) in a compact 64-pin LQFP - making it ideal for space-constrained industrial edge nodes requiring both real-time control and secure communication.

Availability

R7FA4E2B93CFM is available at Aetrix Electronics and suitable for industrial motor control, smart metering, secure IoT edge nodes, and USB human interface devices requiring stable component supply and long-term manufacturing continuity.

Supply support for R7FA4E2B93CFM 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 Corporation is a global leader in microcontrollers, analog, power, and SoC solutions, serving automotive, industrial, infrastructure, and IoT markets with silicon and software platforms.

The RA4E2 Group targets cost-optimized, secure, and connectivity-rich industrial and consumer edge applications - designed to accelerate development of certified, scalable, and future-proof embedded systems with minimal external components.

FAQ

What is the maximum operating frequency of the R7FA4E2B93CFM?

The R7FA4E2B93CFM operates at a maximum frequency of 100 MHz using its Arm Cortex-M33 core. This performance level is achieved with the on-chip PLL configured for high-speed operation and validated across the full –40°C to +105°C temperature range. The R7FA4E2B93CFM maintains timing compliance under worst-case voltage (2.7 V) and temperature conditions per Renesas specification R01DS0413EJ0150.

Does the R7FA4E2B93CFM support CAN FD and USB Full-Speed simultaneously?

Yes, the R7FA4E2B93CFM supports concurrent operation of CAN FD and USB Full-Speed peripherals. Its dedicated CANFD module (4 TX / 32 RX buffers) and USBFS controller (5-pipe endpoint architecture) operate independently with separate clock domains and DMA channels. The R7FA4E2B93CFM has been verified in reference designs handling simultaneous CAN bus diagnostics and USB-based configuration updates without resource contention.

What package type does the R7FA4E2B93CFM use, and how many GPIOs are available?

The R7FA4E2B93CFM uses a 64-pin LQFP package (10 mm × 10 mm, 0.5 mm pitch) with 45 general-purpose I/O pins, 5 dedicated input-only pins, and 11 5-V tolerant pins. Pin assignments are documented in Figure 1.3 and Table 1.15 of the R7FA4E2B93CFM datasheet R01DS0413EJ0150. The R7FA4E2B93CFM's GPIO count enables complex peripheral multiplexing while retaining margin for future design iterations.

How does the R7FA4E2B93CFM implement hardware security?

The R7FA4E2B93CFM implements hardware security via Arm TrustZone, which partitions memory and peripherals into secure/non-secure domains. It includes a 128-bit unique ID, True Random Number Generator (TRNG), and secure pin multiplexing with register write protection. These features collectively enable secure boot, encrypted firmware updates, and tamper-resistant key storage - all verified in the R7FA4E2B93CFM's security certification documentation.

Is the R7FA4E2B93CFM pin-compatible with other RA4E2 group members?

The R7FA4E2B93CFM shares the same 64-pin LQFP footprint and pinout with other RA4E2 variants in the FM package (e.g., R7FA4E2B92CFM), enabling direct substitution within the same temperature grade. However, it is not pin-compatible with QFN or BGA variants (NE/NH/BB/BC) due to differing pin counts and assignments. The R7FA4E2B93CFM datasheet confirms identical pin functions across all FM-package RA4E2 devices.