Renesas R7F7016873AFP-C#KA1

Overview

R7F7016873AFP-C#KA1 from Renesas Electronics is a 32-bit RH850/F1KH-D8 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 security module (ICUMD) for vehicle domain controllers and ADAS gateway applications.

For engineers reviewing the R7F7016873AFP-C#KA1 datasheet, R7F7016873AFP-C#KA1 pinout, R7F7016873AFP-C#KA1 application, or R7F7016873AFP-C#KA1 equivalent, key selection criteria include ASIL-D certification status, dual-core lockstep execution integrity, flash ECC coverage, CAN FD timing accuracy, and ICUMD cryptographic acceleration performance.

Technical Context

The R7F7016873AFP-C#KA1 implements a dual-core RH850G3K-H CPU with lockstep monitoring and error-correcting code (ECC) on both flash and SRAM. Its system architecture includes a multi-layer AXI bus matrix, dedicated safety monitor (SFM), and memory protection unit (MPU) supporting up to 128 regions.

Peripheral integration includes five CAN FD controllers with time-triggered communication support, one 100BASE-T1 Ethernet AVB interface with hardware timestamping, and an intelligent cryptographic unit (ICUMD) supporting AES-128/256, SHA-256, RSA-2048, and TRNG. All safety-critical peripherals are monitored via dedicated watchdog timers and cross-check mechanisms.

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 R7F7016873AFP-C#KA1, the R7F7016883AFP-C#KA1 offers scalable memory while preserving ASIL-D compliance and pin compatibility, whereas the R7F7016923AFP-C#KA1 reduces safety scope and compute capability for lower-tier automotive functions.

Availability

R7F7016873AFP-C#KA1 is available at Aetrix Electronics and suitable for automotive ADAS domain controllers, vehicle gateway ECUs, electric powertrain control units, and automated driving safety monitors requiring stable component supply and long-term lifecycle support.

Supply support for R7F7016873AFP-C#KA1 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/F1KH product line delivers ASIL-D-certified 32-bit MCUs for safety-critical automotive applications including ADAS, electric powertrain, and central domain control - designed to meet stringent ISO 26262 requirements with integrated hardware safety mechanisms.

FAQ

What safety certifications does the R7F7016873AFP-C#KA1 hold?

The R7F7016873AFP-C#KA1 is certified to ISO 26262 ASIL-D at the hardware level, with documentation including FMEDA reports, safety manual, and diagnostic coverage metrics. It implements dual-core lockstep, ECC on flash/SRAM, hardware safety monitor (SFM), and memory protection unit (MPU) - all verified per ISO 26262 Part 5 requirements. The R7F7016873AFP-C#KA1 safety package supports systematic and random hardware fault mitigation for automotive safety goals.

Does the R7F7016873AFP-C#KA1 support Ethernet AVB and CAN FD simultaneously?

Yes, the R7F7016873AFP-C#KA1 supports concurrent operation of its single 100BASE-T1 Ethernet AVB interface and up to five CAN FD controllers. Hardware timestamping in the Ethernet MAC and time-triggered scheduling in CAN FD modules enable synchronized communication across domains. The AXI bus matrix ensures deterministic bandwidth allocation, allowing R7F7016873AFP-C#KA1 to maintain sub-millisecond latency for both protocols during peak traffic.

What is the role of ICUMD in the R7F7016873AFP-C#KA1?

The ICUMD (Intelligent Cryptographic Unit / Master D) in the R7F7016873AFP-C#KA1 is a dedicated hardware accelerator for cryptographic operations including AES-128/256 encryption/decryption, SHA-256 hashing, RSA-2048 signing/verification, and true random number generation. It operates independently of the CPU, reducing latency for secure boot, OTA updates, and TLS handshakes - critical for R7F7016873AFP-C#KA1 deployments in vehicle cybersecurity architectures.

What package and pin count does the R7F7016873AFP-C#KA1 use?

The R7F7016873AFP-C#KA1 uses a 256-pin LQFP package (28 mm × 28 mm, 0.4 mm pitch) with exposed thermal pad. Pin assignments include four independent core power supplies (VDDP1–VDDP4), dedicated analog supply (VDDA), differential Ethernet RX/TX pairs, five CAN FD transceiver interfaces, JTAG debug, and multiple GPIO groups configurable as general-purpose I/O or peripheral functions. Full pinout details are documented in Section 2A of the RH850/F1KH User's Manual.

How does the R7F7016873AFP-C#KA1 handle functional safety monitoring?

The R7F7016873AFP-C#KA1 employs a multi-layer safety architecture: dual-core lockstep compares instruction execution in real time; the hardware Safety Monitor (SFM) independently validates CPU, memory, and peripheral operation every 10 ms; ECC corrects single-bit errors and detects double-bit errors in flash and SRAM; and the MPU enforces memory access rules. These mechanisms collectively enable R7F7016873AFP-C#KA1 to achieve ASIL-D compliance with measurable diagnostic coverage exceeding 99% for hardware faults.