Renesas R7F7016934AFP-C#AA1

Overview

R7F7016934AFP-C#AA1 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-B compliance per ISO 26262 for safety-critical powertrain and chassis control applications. It integrates CAN FD (up to 5 channels), LIN, SENT, and high-precision 12-bit ADCs with 48 channels.

For engineers reviewing the R7F7016934AFP-C#AA1 datasheet, R7F7016934AFP-C#AA1 pinout, R7F7016934AFP-C#AA1 application, or R7F7016934AFP-C#AA1 equivalent, key selection considerations include dual-core fault detection capability, integrated hardware safety manager (HSM), flash ECC with error injection test mode, and support for AUTOSAR 4.3-compliant MCAL drivers.

Technical Context

The R7F7016934AFP-C#AA1 implements a dual-core RH850G3K-H CPU in lockstep configuration with cycle-by-cycle comparison and automatic fail-safe response via dedicated safety interrupt and error signaling unit. It includes a dedicated Safety Control Unit (SCU) supporting FMEDA, diagnostic coverage monitoring, and runtime self-test of RAM, flash, and clock domains.

Hardware peripherals are partitioned across safety and non-safety domains: CAN FD controllers operate in both domains with independent message RAM and filtering; the 12-bit ADC supports simultaneous sampling across up to 4 groups with built-in BIST and reference voltage monitoring; and the GPTA timer subsystem provides redundant capture/compare channels with cross-checking logic.

Key Specifications

Pinout & Package

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

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7F7016934AFP-C#AA1, the R7F7016924AFP-C#AA1 offers identical safety architecture at lower memory cost, while the TC377TP-64F200N-DC provides alternative tri-core compute density but requires requalification of safety mechanisms and peripheral drivers.

Availability

R7F7016934AFP-C#AA1 is available at Aetrix Electronics and suitable for engine control units, electric power steering systems, brake control modules, and ADAS domain controllers requiring stable component supply across automotive production lifecycles.

Supply support for R7F7016934AFP-C#AA1 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 solutions for automotive, industrial, and IoT markets.

The RH850/F1KH product line delivers ASIL-B and ASIL-D capable MCUs for powertrain, chassis, and body electronics, designed specifically to meet ISO 26262 functional safety requirements without external safety monitors.

FAQ

What is the safety certification status of the R7F7016934AFP-C#AA1?

The R7F7016934AFP-C#AA1 is certified to ISO 26262 ASIL-B at the device level, with FMEDA reports, safety manual, and certified safety libraries provided by Renesas. It supports ASIL-D decomposition when used with external monitoring or redundancy schemes. The R7F7016934AFP-C#AA1 integrates hardware safety mechanisms including lockstep CPU comparison, flash ECC, and SRAM SECDED, all validated per ISO 26262 Part 5 requirements.

Does the R7F7016934AFP-C#AA1 support AUTOSAR-compliant software stacks?

Yes, the R7F7016934AFP-C#AA1 is fully supported by Renesas' AUTOSAR 4.3-compliant MCAL drivers and EB tresos toolchain integration. It includes dedicated hardware features such as time-triggered CAN FD, GPTA timer synchronization, and memory protection units required for AUTOSAR OS partitioning. The R7F7016934AFP-C#AA1 also supports SafeTcore and SafeTlib safety software components for ASIL-B applications.

What are the thermal and packaging specifications for the R7F7016934AFP-C#AA1?

The R7F7016934AFP-C#AA1 uses a 256-pin LQFP package (24 mm × 24 mm, 0.5 mm pitch) qualified to AEC-Q100 Grade 1 (−40°C to +125°C ambient). Its thermal resistance (θJA) is 28.5°C/W under standard JEDEC 2-layer board conditions. The R7F7016934AFP-C#AA1 requires eight independent 1.2 V core supplies with dedicated ground returns to maintain signal integrity across safety domains.

Can the R7F7016934AFP-C#AA1 be used in SENT sensor interface applications?

Yes, the R7F7016934AFP-C#AA1 integrates six dedicated SENT receiver channels supporting both SAE J2716 rev 3.0 and custom protocols, with hardware timestamping, CRC validation, and configurable pulse-width decoding. Each channel operates independently with programmable filtering and error reporting-enabling direct connection to crankshaft, camshaft, and throttle position sensors without external interface ICs. The R7F7016934AFP-C#AA1 processes SENT data in real time within the safety domain.

What debug and trace capabilities does the R7F7016934AFP-C#AA1 provide?

The R7F7016934AFP-C#AA1 supports IEEE 1149.1 JTAG for boundary scan and core debug, plus Nexus Class 3+ trace via Embedded Trace Macrocell (ETM) with 128-entry instruction trace buffer and data trace support. It includes dedicated safety register visibility and lockstep mismatch capture. The R7F7016934AFP-C#AA1 enables synchronized trace across both CPU cores and safety monitor events for root-cause analysis in ASIL-B development workflows.