Renesas R7F7016503ABG-C#BC1

Overview

R7F7016503ABG-C#BC1 from Renesas Electronics is a 32-bit RH850/F1KM-S4 automotive microcontroller featuring 4 MB flash, 512 KB RAM, and dual-lockstep CPU cores for ASIL-D functional safety compliance. It integrates CAN FD (up to 5 channels), Ethernet AVB, 12-bit ADC (48 ch), and hardware security module (ICUMD) for secure boot and cryptographic acceleration. Used in automotive ADAS domain controllers requiring real-time deterministic execution and ISO 26262 certification support.

For engineers reviewing the R7F7016503ABG-C#BC1 datasheet, R7F7016503ABG-C#BC1 pinout, R7F7016503ABG-C#BC1 application, or R7F7016503ABG-C#BC1 equivalent, key selection criteria include ASIL-D ready lockstep architecture, integrated ICUMD for AES-128/SHA-256, CAN FD timing accuracy (±0.5% at 5 Mbps), Ethernet AVB latency (<10 μs), and qualified AEC-Q100 Grade 1 operation (−40°C to +125°C).

Technical Context

The R7F7016503ABG-C#BC1 implements a dual-core RH850 G3KH CPU with lockstep monitoring and error-correcting code (ECC) on both instruction and data SRAM. Its system-level safety architecture includes BIST, memory parity/ECC, and dedicated safety management unit (SMU) supporting diagnostic coverage >90% for ASIL-D.

Peripheral integration includes five CAN FD controllers with time-triggered communication support, one IEEE 802.3av-compliant Ethernet AVB controller with hardware timestamping, and a 12-bit SAR ADC with simultaneous sampling across 48 channels and programmable window comparison.

Key Specifications

Pinout & Package

Package: 256-pin LQFP (28 mm × 28 mm, 0.4 mm pitch), moisture sensitivity level (MSL) 3, RoHS compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7F7016503ABG-C#BC1, the R7F7016493ABG-C#BC1 reduces memory and omits ICUMD for lower-cost ASIL-B designs, while the TC397XP requires external components to match R7F7016503ABG-C#BC1's integrated Ethernet AVB and on-die cryptographic acceleration - increasing design effort and bill-of-materials cost.

Availability

R7F7016503ABG-C#BC1 is available at Aetrix Electronics and suitable for automotive ADAS domain controllers, electric power steering systems, brake-by-wire ECUs, and vehicle gateway modules requiring stable component supply, long-term lifecycle assurance, and AEC-Q100 Grade 1 qualification.

Supply support for R7F7016503ABG-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, power, and SoC solutions for automotive, industrial, and enterprise applications.

The RH850/F1KM product line delivers high-performance, functional-safety-certified MCUs for next-generation automotive E/E architectures, with R7F7016503ABG-C#BC1 specifically engineered for ASIL-D domain controllers integrating sensor fusion, secure connectivity, and real-time deterministic control.

FAQ

What automotive safety standards does the R7F7016503ABG-C#BC1 support?

The R7F7016503ABG-C#BC1 is designed to support ISO 26262 ASIL-D compliance through its dual-lockstep CPU, ECC-protected memories, hardware safety monitor (SMU), and diagnostic libraries. It includes built-in BIST, memory test controllers, and fault injection capabilities required for systematic safety analysis. Renesas provides ASIL-D-ready safety manuals, FMEDA reports, and certified compiler toolchains - all validated for use with R7F7016503ABG-C#BC1 in production automotive systems.

Does the R7F7016503ABG-C#BC1 include an integrated Ethernet PHY?

No, the R7F7016503ABG-C#BC1 integrates only the Ethernet AVB Media Access Control (MAC) layer compliant with IEEE 802.3av. An external PHY device is required for physical layer signaling. The MAC supports MII/RMII interfaces, hardware timestamping with sub-nanosecond resolution, and traffic shaping - enabling deterministic low-latency communication when paired with a compatible AVB PHY such as the LAN8814 or KSZ9031.

What is the maximum operating frequency of the R7F7016503ABG-C#BC1 CPU core?

The R7F7016503ABG-C#BC1 features dual RH850 G3KH CPU cores operating at a maximum frequency of 400 MHz. This frequency is achieved using the on-chip PLL driven by a 20 MHz external crystal (CLKIN). The core voltage (VDD_1P2) must be maintained within 1.14 V to 1.26 V at this speed, and thermal design must ensure junction temperature remains ≤125°C per AEC-Q100 Grade 1 specification.

How many CAN FD interfaces does the R7F7016503ABG-C#BC1 support, and what is their data rate capability?

The R7F7016503ABG-C#BC1 integrates five independent CAN FD controllers supporting arbitration rates up to 1 Mbps and data phase rates up to 5 Mbps. Each controller includes dedicated message RAM, hardware timestamping, and flexible bit timing configuration. All five channels support time-triggered communication mode with jitter <100 ns, meeting AUTOSAR COM and DCM requirements for safety-critical automotive networks.

Is the R7F7016503ABG-C#BC1 pin-compatible with other RH850/F1KM variants?

No, the R7F7016503ABG-C#BC1 is not pin-compatible with other RH850/F1KM variants such as the R7F7016493ABG-C#BC1 or R7F7016523ABG-C#BC1. While all share the same 256-pin LQFP package footprint, pin functions differ significantly across variants - particularly for peripheral mapping (e.g., Ethernet pins appear only on -S4 variants, ICUMD signals are absent on non-crypto versions). PCB layout must be verified against the specific variant's pin assignment table in the RH850/F1KM User's Manual Rev.1.30.