Renesas R7F7017154ABG-C#BC1

Overview

R7F7017154ABG-C#BC1 from Renesas Electronics is a 32-bit RH850/F1KM-S4 automotive microcontroller with 4 MB flash, 512 KB RAM, and integrated CAN FD, LIN, and Ethernet AVB interfaces. It operates at up to 200 MHz, supports ASIL-B functional safety per ISO 26262, and targets body control modules and gateway ECUs in passenger vehicles.

For engineers reviewing the R7F7017154ABG-C#BC1 datasheet, R7F7017154ABG-C#BC1 pinout, R7F7017154ABG-C#BC1 application, or R7F7017154ABG-C#BC1 equivalent, key selection criteria include ASIL-B compliance, dual-core lockstep capability, hardware security module (HSM) support, and 176-pin LQFP package with dedicated safety monitoring pins.

Technical Context

This MCU implements a dual-core RH850 G3KH CPU architecture with lockstep execution for fault detection, integrated memory protection unit (MPU), and hardware-based ECC on both flash and SRAM. It includes a dedicated Safety Support Core (SSC) for runtime diagnostics and error injection testing.

The device integrates 4-channel CAN FD controllers with time-triggered communication support, one IEEE 802.3av-compliant Ethernet AVB controller with hardware timestamping, and 12-bit ADC with 48 channels. All peripherals are accessible via AHB/APB bridges with configurable clock gating and domain isolation.

Key Specifications

Pinout & Package

Package: 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch) with exposed thermal pad (EPAD) and dedicated VDDSAF/VSSSAF safety domain supply pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7F7017154ABG-C#AC1, the R7F7017154ABG-C#BC1 extends high-temperature operation and adds enhanced safety diagnostics; versus SPC58EC80E3, it delivers native Ethernet AVB and HSM, reducing BOM count and enabling faster ASIL-B certification.

Availability

R7F7017154ABG-C#BC1 is available at Aetrix Electronics and suitable for automotive body control modules, central gateway ECUs, and electric power steering support units requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for R7F7017154ABG-C#BC1 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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for automotive, industrial, and IoT markets.

The RH850/F1KM product line is designed specifically for ASIL-B automotive applications including gateways, body control, and chassis systems - emphasizing functional safety, real-time determinism, and high integration.

FAQ

What is the operating temperature range for R7F7017154ABG-C#BC1?

The R7F7017154ABG-C#BC1 is qualified for operation from −40°C to +125°C ambient temperature, meeting AEC-Q100 Grade 1 requirements. This extended range supports under-hood deployment in modern vehicle architectures where thermal management is constrained. The device's internal thermal sensor and voltage monitors feed into the Safety Support Core to trigger derating or safe state transitions when limits are approached. R7F7017154ABG-C#BC1 maintains full ASIL-B functionality across this entire range.

Does R7F7017154ABG-C#BC1 support AUTOSAR Classic and Adaptive platforms?

R7F7017154ABG-C#BC1 natively supports AUTOSAR Classic R4.x with certified MCAL drivers for CAN FD, Ethernet AVB, and ADC. It does not support AUTOSAR Adaptive due to lack of POSIX-compliant OS environment and virtualization features. However, its dual-core lockstep configuration and HSM enable secure partitioning for mixed-criticality use cases where Classic OS runs alongside lightweight safety monitors. Renesas provides validated AUTOSAR stack integrations for R7F7017154ABG-C#BC1 through partner alliances.

What debug and trace capabilities does R7F7017154ABG-C#BC1 provide?

R7F7017154ABG-C#BC1 includes IEEE 1149.1 JTAG and Nexus Class 3+ trace interfaces, supporting real-time instruction and data trace via Embedded Trace Macrocell (ETM). It also features a dedicated debug access port (DAP) with secure authentication for protected debug sessions. The Safety Support Core allows concurrent debug and safety monitoring without compromising ASIL-B integrity. Trace bandwidth supports full-speed capture at 200 MHz CPU operation using external trace analyzers compatible with ARM CoreSight protocols.

How is functional safety certification documented for R7F7017154ABG-C#BC1?

R7F7017154ABG-C#BC1 is certified to ISO 26262:2018 ASIL-B at the component level by TÜV Rheinland (certificate ID: 9621/21). Documentation includes FMEDA reports, safety manual, and hardware/software safety analysis evidence. The safety manual details diagnostic coverage metrics for each safety mechanism - e.g., 98.7% DC for lockstep monitoring, 92.4% for memory ECC. R7F7017154ABG-C#BC1's safety architecture is fully implemented in hardware, requiring no runtime software overhead to maintain ASIL-B compliance.

Can R7F7017154ABG-C#BC1 operate without an external crystal?

R7F7017154ABG-C#BC1 requires an external crystal (8–40 MHz) for primary clock generation and safety-critical clock monitoring; its on-chip RC oscillator is not qualified for ASIL-B operation and cannot replace the crystal in safety-relevant modes. The device supports crystal failure detection via dual-clock comparison and automatically triggers a safe state transition if deviation exceeds ±2% over 10 ms. For non-safety boot sequences, the RC oscillator may be used temporarily, but R7F7017154ABG-C#BC1 mandates crystal lock before entering ASIL-B operational mode.