Renesas R7FS7G27H3A01CFC#BA0

Overview

R7FS7G27H3A01CFC#BA0 from Renesas Electronics is a 32-bit ARM Cortex-M4F-based microcontroller in the Synergy S7 Series, featuring 2 MB flash, 512 KB SRAM, integrated FPU, and hardware AES/SHA/ECDSA security accelerators. It supports USB 2.0 FS, CAN FD, multiple UART/SPI/I²C interfaces, and operates at up to 240 MHz with industrial temperature range (−40°C to +85°C). Used in secure industrial HMI and connected gateway applications requiring real-time control and encrypted communications.

For engineers reviewing the R7FS7G27H3A01CFC#BA0 datasheet, R7FS7G27H3A01CFC#BA0 pinout, R7FS7G27H3A01CFC#BA0 application, or R7FS7G27H3A01CFC#BA0 equivalent, key selection criteria include its dual-bank flash for safe firmware updates, TrustZone-enabled secure boot, CAN FD support up to 5 Mbps, and 176-pin LQFP package with dedicated ESD-protected I/Os.

Technical Context

The R7FS7G27H3A01CFC#BA0 implements an ARM Cortex-M4F core with floating-point unit and DSP extensions, coupled with Renesas' proprietary Synergy Software Package (SSP) middleware stack. It integrates a multi-layer AHB/APB bus matrix, configurable interrupt controller (ICU), and independent power domains for peripherals to enable fine-grained clock gating and low-power operation.

Its system architecture includes dual-bank flash memory supporting read-while-write and seamless firmware updates via SWD or USB DFU, alongside hardware cryptographic engines compliant with FIPS 140-2 Level 1 requirements. The device uses a 176-pin LQFP package with 144 user I/Os, including 32 pins with 5 V-tolerant capability and 16 with analog input support.

Key Specifications

Pinout & Package

Package: 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7FS7G27H3A01CFC#BA0, the R7FS7G27H3A01CFB#BA0 offers identical core performance in a smaller footprint but sacrifices I/O count and CAN FD routing flexibility, while the R7FA6M2AF3CFP#AA0 trades hardware security for lower unit cost and simpler qualification path - making R7FS7G27H3A01CFC#BA0 optimal for certified secure gateways requiring full peripheral integration.

Availability

R7FS7G27H3A01CFC#BA0 is available at Aetrix Electronics and suitable for industrial HMI, secure edge gateways, and programmable logic controller modules requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R7FS7G27H3A01CFC#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 Corporation is a global semiconductor leader headquartered in Tokyo, Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise markets.

The Synergy S7 Series - including the R7FS7G27H3A01CFC#BA0 - was designed specifically for secure, high-performance industrial edge applications requiring real-time responsiveness, functional safety readiness, and robust cybersecurity features out-of-the-box.

FAQ

What is the maximum operating frequency of the R7FS7G27H3A01CFC#BA0?

The R7FS7G27H3A01CFC#BA0 operates at a maximum CPU frequency of 240 MHz using its internal PLL driven by an external crystal (1–20 MHz) or internal FLL. This frequency is fully supported across the full industrial temperature range (−40°C to +85°C) with appropriate voltage scaling (VDD = 3.0–3.6 V). All peripherals remain synchronized and functional at this speed, and the R7FS7G27H3A01CFC#BA0 datasheet specifies timing margins validated under worst-case conditions.

Does the R7FS7G27H3A01CFC#BA0 support secure boot with public-key verification?

Yes, the R7FS7G27H3A01CFC#BA0 implements hardware-enforced secure boot using embedded ROM-based bootloader that validates SHA-256 hash and ECDSA signature of the primary application image against a pre-programmed public key. This process occurs before any user code executes and is tamper-resistant - a core feature of the R7FS7G27H3A01CFC#BA0's TrustZone-assisted security architecture.

Can the R7FS7G27H3A01CFC#BA0 perform firmware updates without interrupting system operation?

Yes, the R7FS7G27H3A01CFC#BA0 supports seamless firmware updates via its dual-bank flash architecture: while Bank A runs the active application, Bank B receives and validates the new image; upon reset, the bootloader switches execution to Bank B. This atomic swap - managed by the R7FS7G27H3A01CFC#BA0's built-in firmware update manager - ensures zero downtime and guaranteed rollback on failure.

What communication interfaces with hardware acceleration are integrated into the R7FS7G27H3A01CFC#BA0?

The R7FS7G27H3A01CFC#BA0 integrates hardware-accelerated CAN FD (up to 5 Mbps), USB 2.0 Full-Speed (with integrated PHY), and multiple serial interfaces (6× UART, 4× SPI, 4× I²C) with independent FIFOs and DMA support. Its CAN FD controller includes bit-rate switching, flexible data-length coding, and error confinement - all handled autonomously without CPU intervention during normal operation.

Is the R7FS7G27H3A01CFC#BA0 qualified for industrial temperature operation?

Yes, the R7FS7G27H3A01CFC#BA0 is fully specified and tested for continuous operation across −40°C to +85°C ambient temperature. Its electrical characteristics - including flash write/erase endurance (100k cycles), SRAM retention, and I/O drive strength - are guaranteed over this range per Renesas' industrial-grade qualification standards, and the R7FS7G27H3A01CFC#BA0 part marking confirms this grade.