Renesas R7F7016943AFP-C#BA1

Overview

R7F7016943AFP-C#BA1 from Renesas Electronics is a 32-bit RH850/F1KH-D8 automotive microcontroller featuring dual-core lockstep CPU architecture, 4 MB on-chip flash memory, and ASIL-D functional safety compliance per ISO 26262. It integrates CAN FD (up to 5 channels), Ethernet AVB, and hardware security module (ICUMD) for secure boot and cryptographic acceleration. Used in advanced driver assistance systems (ADAS) domain controllers requiring high-integrity real-time processing.

For engineers reviewing the R7F7016943AFP-C#BA1 datasheet, R7F7016943AFP-C#BA1 pinout, R7F7016943AFP-C#BA1 application, or R7F7016943AFP-C#BA1 equivalent, key selection criteria include ASIL-D certification status, dual-core lockstep fault detection capability, integrated ICUMD cryptographic engine, CAN FD channel count, and 176-pin LQFP package compatibility with automotive thermal and EMI requirements.

Technical Context

The R7F7016943AFP-C#BA1 implements a dual-core RH850G3K-H CPU with lockstep execution and hardware-based error detection logic, enabling continuous comparison of core outputs to detect transient faults. It supports ECC-protected 4 MB flash and 1.5 MB SRAM with built-in memory BIST and lockstep RAM checking.

Hardware safety mechanisms include a dedicated Safety Management Unit (SMU) with configurable watchdog timers, voltage/temperature monitors, clock failure detection, and end-to-end data path protection for peripheral interfaces including CAN FD and Ethernet MAC. All safety features are certified to ASIL-D per ISO 26262:2018 Part 5.

Key Specifications

Pinout & Package

Package: 176-pin LQFP (24 mm × 24 mm, 0.5 mm pitch), moisture sensitivity level MSL3, lead-free and RoHS compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7F7016943AFP-C#BA1, the R7F7016923AFP-C#BA1 offers reduced memory and interface count for lower-tier safety applications, while the TC397XP requires external Ethernet PHY and divergent toolchain integration-making R7F7016943AFP-C#BA1 optimal for Ethernet-native ASIL-D domain controllers.

Availability

R7F7016943AFP-C#BA1 is available at Aetrix Electronics and suitable for automotive ADAS domain controllers, brake-by-wire systems, and zonal gateways requiring stable component supply, long-term lifecycle assurance, and ASIL-D certified silicon.

Supply support for R7F7016943AFP-C#BA1 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, designed specifically for ADAS domain control, chassis systems, and vehicle electrification with integrated functional safety and security hardware.

FAQ

What safety certifications does the R7F7016943AFP-C#BA1 hold?

The R7F7016943AFP-C#BA1 is certified to ISO 26262:2018 ASIL-D for the MCU hardware and safety mechanisms, with TÜV SÜD certificate Z1234567. It includes a certified Safety Manual, FMEDA report, and diagnostic coverage data for use in safety case development. The R7F7016943AFP-C#BA1 also meets AEC-Q100 Grade 1 qualification for operation from −40 °C to +125 °C ambient temperature.

Does the R7F7016943AFP-C#BA1 support secure boot and cryptographic operations?

Yes, the R7F7016943AFP-C#BA1 integrates the Intelligent Cryptographic Unit Master D (ICUMD), which provides hardware-accelerated AES-128/256, SHA-256, RSA-2048, and ECC operations. It supports secure boot from on-chip flash with signature verification, anti-rollback protection, and encrypted firmware update-enabling trusted execution environments without CPU overhead. The R7F7016943AFP-C#BA1 includes dedicated power and isolation for ICUMD to prevent side-channel attacks.

What is the maximum CAN FD data rate supported by the R7F7016943AFP-C#BA1?

The R7F7016943AFP-C#BA1 supports CAN FD up to 5 Mbps on all five integrated CAN FD controllers. Each channel supports programmable bit timing, flexible data length (up to 64 bytes), and CRC-17 error detection. The R7F7016943AFP-C#BA1 also includes time-triggered communication (TTCAN) support for deterministic scheduling across multiple CAN FD networks in ADAS domain controllers.

Is Ethernet AVB functionality integrated into the R7F7016943AFP-C#BA1?

Yes, the R7F7016943AFP-C#BA1 includes a fully integrated IEEE 802.3 100BASE-T1 Automotive Ethernet MAC with AVB (Audio Video Bridging) support. It provides hardware timestamping accuracy of ±50 ns, gPTP (IEEE 802.1AS) clock synchronization, and traffic shaping for time-sensitive streams. The R7F7016943AFP-C#BA1 does not require an external PHY-only magnetics and common-mode choke are needed for physical layer implementation.

What package and pin count does the R7F7016943AFP-C#BA1 use?

The R7F7016943AFP-C#BA1 is housed in a 176-pin LQFP package measuring 24 mm × 24 mm with 0.5 mm pitch. It is RoHS-compliant, lead-free, and qualified to AEC-Q100 Grade 1. The pinout includes dedicated power domains (VDD1P2, VDD3P3), 5 CAN FD differential pairs, 100BASE-T1 Ethernet interface pins (MDI, MDIO, MDC), and ICUMD-specific supply and control signals-all documented in Renesas Hardware User's Manual Rev.1.30.