Renesas R7F7016533ABG-C#BC1

Overview

R7F7016533ABG-C#BC1 from Renesas Electronics is a 32-bit RH850/F1KM-S4 automotive microcontroller featuring dual-core lockstep CPU, 4 MB flash memory, 512 KB SRAM, and ASIL-D functional safety compliance per ISO 26262. It integrates CAN FD (up to 5 channels), Ethernet AVB, LIN, and hardware cryptographic acceleration for secure boot and OTA updates. Designed for automotive powertrain and chassis control units requiring high-integrity real-time processing.

For engineers reviewing the R7F7016533ABG-C#BC1 datasheet, R7F7016533ABG-C#BC1 pinout, R7F7016533ABG-C#BC1 application, or R7F7016533ABG-C#BC1 equivalent, key selection criteria include ASIL-D certification status, dual-core lockstep fault detection latency, flash ECC coverage, CAN FD data-rate support up to 5 Mbps, and hardware AES-128/SHA-256 acceleration performance.

Technical Context

The R7F7016533ABG-C#BC1 implements two synchronized RH850 G3KH cores operating in lockstep mode with cycle-by-cycle comparison and automatic error containment. It supports hardware-based memory protection units (MPUs) for both cores, with independent flash banks enabling concurrent read-while-write operation.

Its peripheral set includes five CAN FD controllers compliant with ISO 11898-1:2015, one 100BASE-T1 Ethernet MAC with AVB timestamping, and a dedicated Intelligent Cryptographic Unit Master Device (ICUMD) supporting AES-128/192/256, SHA-256, RSA-2048, and ECC P-256 acceleration with tamper-resistant key storage.

Key Specifications

Pinout & Package

Package: 256-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7F7016533ABG-C#BC1, the R7F7016543ABG-C#BC1 extends flash and CAN FD count without layout change, while the TC397XP offers greater core parallelism at the cost of added BOM complexity and missing integrated Ethernet.

Availability

R7F7016533ABG-C#BC1 is available at Aetrix Electronics and suitable for electric power steering systems, brake-by-wire control units, and engine management systems requiring stable component supply, long-term automotive lifecycle support, and ASIL-D-certified silicon.

Supply support for R7F7016533ABG-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 IoT markets.

The RH850/F1KM product line delivers ASIL-D-capable 32-bit MCUs for automotive powertrain, chassis, and advanced driver-assistance systems, emphasizing functional safety, real-time determinism, and hardware security integration.

FAQ

What safety certifications does the R7F7016533ABG-C#BC1 hold?

The R7F7016533ABG-C#BC1 is certified to ISO 26262 ASIL-D at the hardware level, with documentation including FMEDA reports, safety manuals, and diagnostic coverage analysis provided by Renesas. It incorporates hardware mechanisms such as lockstep CPU comparison, flash ECC, memory BIST, and an Error Signaling Module (ESM) to meet ASIL-D fault detection and reaction requirements. The R7F7016533ABG-C#BC1 safety package supports systematic development processes aligned with ISO 26262 Part 5 and Part 6.

Does the R7F7016533ABG-C#BC1 support Ethernet AVB with hardware timestamping?

Yes, the R7F7016533ABG-C#BC1 integrates a 100BASE-T1 Ethernet MAC with full IEEE 802.1AS Audio Video Bridging (AVB) support, including hardware timestamping with ≤10 ns resolution and precision time protocol (PTP) frame handling. The MAC operates without external PHY and supports AVB traffic shaping, priority queuing, and time-synchronized packet scheduling - all essential for deterministic in-vehicle networking. This capability is natively implemented in the R7F7016533ABG-C#BC1's peripheral set.

How many CAN FD interfaces does the R7F7016533ABG-C#BC1 provide, and what data rates are supported?

The R7F7016533ABG-C#BC1 integrates five independent CAN FD controllers compliant with ISO 11898-1:2015. Each channel supports arbitration bit rates up to 1 Mbps and data bit rates up to 5 Mbps, with flexible payload lengths (up to 64 bytes) and built-in CRC protection. All five CAN FD modules operate concurrently and support loopback self-test, bit timing reconfiguration on-the-fly, and message RAM with configurable FIFOs - features confirmed in the RH850/F1KM hardware manual for the R7F7016533ABG-C#BC1 variant.

What cryptographic functions are accelerated by the ICUMD in the R7F7016533ABG-C#BC1?

The Intelligent Cryptographic Unit Master Device (ICUMD) in the R7F7016533ABG-C#BC1 accelerates AES-128/192/256 (ECB/CBC/CTR/GCM modes), SHA-256, RSA-2048, and ECC P-256 operations with dedicated hardware engines and secure key vault storage. It supports DMA-linked bulk encryption, authenticated decryption with integrity verification, and key derivation functions - all accessible via register-mapped interface without CPU intervention. These capabilities are documented in the RH850/F1KM ICUMD User's Manual for the R7F7016533ABG-C#BC1.

Is the R7F7016533ABG-C#BC1 pin-compatible with other RH850/F1KM variants?

The R7F7016533ABG-C#BC1 uses a 256-pin LQFP package shared across multiple RH850/F1KM-S4 devices, including R7F7016543ABG-C#BC1 and R7F7016523ABG-C#BC1. Pin assignments for power, ground, clocks, reset, JTAG, and major peripherals (CAN FD, Ethernet, LIN) are identical. However, some alternate function pins differ in peripheral mapping - e.g., certain GPIOs may route to different timers or ADC channels - so PCB layout reuse requires verification against the specific variant's pin description table in the RH850/F1KM hardware manual.