Renesas R7FS7G27G3A01CFP#BA0

Overview

R7FS7G27G3A01CFP#BA0 from Renesas Electronics is a 32-bit ARM Cortex-M4F-based microcontroller in the Synergy S7G2 group, featuring 2MB flash, 512KB SRAM, integrated FPU and DSP instructions, and support for USB 2.0 FS host/device, CAN FD, and Ethernet MAC. It operates at up to 240 MHz and targets industrial HMI, gateway, and secure edge-node applications requiring real-time control and connectivity.

For engineers reviewing the R7FS7G27G3A01CFP#BA0 datasheet, R7FS7G27G3A01CFP#BA0 pinout, R7FS7G27G3A01CFP#BA0 application, or R7FS7G27G3A01CFP#BA0 equivalent, key selection criteria include its dual-bank flash architecture for safe OTA updates, hardware-accelerated AES-256/SHA-256 crypto engine, and configurable peripheral I/O routing via PFS registers - all validated for industrial temperature range (−40°C to +85°C) and RoHS-compliant LQFP-176 packaging.

Technical Context

The R7FS7G27G3A01CFP#BA0 implements a tightly coupled ARM Cortex-M4F core with 32-bit single-precision FPU and 16-bit/32-bit DSP extensions, enabling deterministic floating-point math and signal processing. Its memory subsystem includes 2MB on-chip flash with ECC, 512KB SRAM (split into 384KB general-purpose + 128KB retention), and 64KB data flash for parameter storage.

Peripherals are organized across multiple clock domains (PCLKA/B/C/D), supporting concurrent high-speed operation: USB 2.0 FS (with PHY), CAN FD (up to 5 Mbps), 10/100 Ethernet MAC (MII/RMII), 12-bit ADC (24 channels, 1.0 µs conversion), and 16-bit PWM (8 channels, 125 ps resolution). All critical peripherals feature independent reset and clock gating for power-aware design.

Key Specifications

Pinout & Package

LQFP-176 package with 0.5 mm pitch, 20 × 20 mm body size, and exposed thermal pad. Pinout conforms to Renesas S7G2 standard assignment for this pin count variant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7FS7G27G3A01CFP#BA0, the R7FS7G27G3A01CBJ#AC0 trades Ethernet and second CAN FD for smaller footprint and lower cost, while the R7FA6M2AF3CFP#AA0 shifts focus to security certification and power efficiency at the expense of connectivity bandwidth and clock speed - making each optimal for distinct industrial segmentation.

Availability

R7FS7G27G3A01CFP#BA0 is available at Aetrix Electronics and suitable for industrial HMI development, smart gateway prototyping, and secure edge-node production requiring stable component supply, full lifecycle support, and traceable sourcing.

Supply support for R7FS7G27G3A01CFP#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 automotive, industrial, and enterprise markets.

The Synergy S7G2 microcontroller group was designed to deliver scalable, secure, and certified MCU platforms for industrial IoT edge devices - integrating real-time performance, connectivity, and hardware-enforced security in a single chip.

FAQ

What is the maximum operating frequency of the R7FS7G27G3A01CFP#BA0?

The R7FS7G27G3A01CFP#BA0 operates at a maximum CPU frequency of 240 MHz using its on-chip PLL with external crystal or oscillator input. This frequency is fully supported across the industrial temperature range (−40°C to +85°C) and validated with all on-chip peripherals active, including USB, Ethernet, and CAN FD. The R7FS7G27G3A01CFP#BA0 achieves this performance while maintaining tight timing margins for memory access and peripheral synchronization.

Does the R7FS7G27G3A01CFP#BA0 support secure boot and firmware authentication?

Yes, the R7FS7G27G3A01CFP#BA0 includes a ROM-based secure bootloader that validates firmware signatures using ECDSA-P256 before execution. It supports hash-and-sign verification of images stored in internal flash or external SPI memory, with public keys stored in one-time-programmable (OTP) fuses. This establishes a hardware-rooted chain of trust, and the R7FS7G27G3A01CFP#BA0 enforces strict image integrity checks at every boot - preventing unauthorized or corrupted firmware from running.

What communication interfaces are integrated into the R7FS7G27G3A01CFP#BA0?

The R7FS7G27G3A01CFP#BA0 integrates USB 2.0 Full-Speed (host/device), two CAN FD controllers (each supporting up to 5 Mbps), a 10/100 Ethernet MAC with MII/RMII support, eight UARTs, six SPIs, and six I²Cs. All interfaces are independently clocked and feature DMA support, FIFO buffering, and programmable pin multiplexing via the PFS module. This combination makes the R7FS7G27G3A01CFP#BA0 uniquely suited for multi-protocol industrial edge applications without requiring external bridge ICs.

Is the R7FS7G27G3A01CFP#BA0 qualified for industrial temperature operation?

Yes, the R7FS7G27G3A01CFP#BA0 is rated for industrial temperature operation from −40°C to +85°C and is manufactured in Renesas' qualified industrial-grade process. Electrical specifications - including flash write/erase endurance (100K cycles), SRAM retention, ADC accuracy, and clock stability - are guaranteed across this full range. The R7FS7G27G3A01CFP#BA0 also meets JEDEC JESD22-A108 reliability standards for operating life under thermal stress.

How does the R7FS7G27G3A01CFP#BA0 handle firmware updates in the field?

The R7FS7G27G3A01CFP#BA0 supports robust over-the-air (OTA) updates using its dual-bank flash architecture and SWAP register. New firmware is written to the inactive bank while the active bank continues execution; upon successful validation, the SWAP register is updated to redirect the boot vector, completing the transition in <10 µs with no CPU stall. The R7FS7G27G3A01CFP#BA0 also provides hardware CRC acceleration and secure signature verification to ensure update integrity and authenticity.