Renesas R7FS5D57C3A01CFP#AA1

Overview

R7FS5D57C3A01CFP#AA1 from Renesas Electronics is a 32-bit ARM Cortex-M4F-based microcontroller in the Synergy S5 Series, featuring 2 MB flash, 512 KB SRAM, integrated AES-256/SHA-256/TRNG security accelerators, and dual CAN FD interfaces. It operates at up to 200 MHz, supports industrial temperature range (−40°C to +105°C), and targets secure industrial HMI, gateway, and motor control applications.

For engineers reviewing the R7FS5D57C3A01CFP#AA1 datasheet, R7FS5D57C3A01CFP#AA1 pinout, R7FS5D57C3A01CFP#AA1 application, or R7FS5D57C3A01CFP#AA1 equivalent, key selection criteria include its dual CAN FD capability, hardware crypto engine, 200 MHz real-time performance with FPU, and support for Renesas Synergy Software Package (SSP) v3.x with certified safety and security middleware.

Technical Context

This MCU implements an ARM Cortex-M4F core with floating-point unit and DSP extensions, coupled with a multi-layer AHB/APB bus matrix enabling concurrent peripheral access. It integrates a high-precision 32-bit RTC with calendar function, 12-bit SAR ADC with 24 channels and hardware averaging, and a programmable 16-bit PWM timer with dead-time insertion and complementary output.

The device includes dual independent CAN FD controllers compliant with ISO 11898-1:2015, supporting data rates up to 5 Mbps and payload lengths up to 64 bytes. Its security subsystem comprises tamper detection, secure boot with signature verification, and memory protection unit (MPU) with 8 regions-each configurable for read/write/execute permissions and address range.

Key Specifications

Pinout & Package

LQFP-144 package with 111 user-configurable I/O pins, 4 dedicated power/ground pairs, and 20 dedicated analog/digital supply pins. Pin functions include multiplexed peripherals (e.g., CAN0_TX/RX, CAN1_TX/RX, USB_FS, SDHI, QSPI, Ethernet RMII), and dedicated debug (SWDIO/SWCLK) and reset (RES#) terminals.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7FS5D57C3A01CFP#AA1, the R7FS5D57C3A01CFB#AA1 reduces I/O count and removes Ethernet to lower cost and footprint, while the R7FS5D67C3A01CFP#AA1 extends memory and adds USB HS - both retain identical CAN FD, security, and real-time performance characteristics.

Availability

R7FS5D57C3A01CFP#AA1 is available at Aetrix Electronics and suitable for industrial motor drives, secure gateways, and HMI systems requiring stable component supply, long-term lifecycle assurance, and traceable sourcing from authorized channels.

Supply support for R7FS5D57C3A01CFP#AA1 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 semiconductor leader headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise markets.

The Synergy S5 Series - including R7FS5D57C3A01CFP#AA1 - was designed for secure, real-time industrial edge applications demanding integrated CAN FD, hardware cryptography, and functional safety-ready architecture.

FAQ

What is the maximum operating frequency and core type of the R7FS5D57C3A01CFP#AA1?

The R7FS5D57C3A01CFP#AA1 features an ARM Cortex-M4F core with floating-point unit, operating at a maximum frequency of 200 MHz. This enables deterministic real-time execution of complex control algorithms and signal processing tasks. The FPU accelerates trigonometric, exponential, and matrix operations essential for motor control and sensor fusion. All timing specifications in the R7FS5D57C3A01CFP#AA1 datasheet assume operation within the rated voltage (2.7–3.6 V) and temperature (−40°C to +105°C) ranges.

Does the R7FS5D57C3A01CFP#AA1 support CAN FD, and how many instances are available?

Yes, the R7FS5D57C3A01CFP#AA1 integrates two independent CAN FD controllers compliant with ISO 11898-1:2015, each supporting bit rates up to 5 Mbps in the data phase and payloads up to 64 bytes. Both controllers feature dedicated message RAM, hardware filtering, and loopback/self-test modes. This dual-CAN FD capability allows R7FS5D57C3A01CFP#AA1 to serve as a bridge between legacy CAN 2.0B networks and high-speed CAN FD domains without external transceivers.

What security features are implemented in hardware on the R7FS5D57C3A01CFP#AA1?

The R7FS5D57C3A01CFP#AA1 includes a dedicated hardware security engine with AES-256 encryption/decryption, SHA-256 hashing, and true random number generation (TRNG). It supports secure boot with public-key signature verification, tamper detection with voltage/temperature/frequency monitors, and memory protection via an 8-region MPU. These features are fully integrated into the R7FS5D57C3A01CFP#AA1 silicon - no external security IC is required to achieve PSA Level 3 or SESIP-certified implementations.

What is the package type and pin count of the R7FS5D57C3A01CFP#AA1?

The R7FS5D57C3A01CFP#AA1 is housed in a 144-pin LQFP package (20 mm × 20 mm, 0.5 mm pitch) with 111 user-configurable I/O pins. This package provides full access to all integrated peripherals including dual CAN FD, Ethernet RMII, USB FS, SDHI, QSPI, and 24-channel ADC. The R7FS5D57C3A01CFP#AA1 pinout is documented in Section 1.6 ("Pin Assignments") of the S5D5 User's Manual Rev.1.40.

Is the R7FS5D57C3A01CFP#AA1 supported by the Renesas Synergy Software Package (SSP)?

Yes, the R7FS5D57C3A01CFP#AA1 is fully supported by Renesas Synergy Software Package (SSP) v3.x, which provides certified HAL drivers, middleware (including FreeRTOS, TLS, USB stack, and graphics libraries), and safety/security-certified modules. SSP abstracts low-level register access and enables rapid development of secure, real-time applications. Development tools such as e2 studio and the Renesas Flash Programmer are validated for use with R7FS5D57C3A01CFP#AA1.