Renesas R7F7015814AFP-C#AA3

Overview

R7F7015814AFP-C#AA3 from Renesas Electronics is a 32-bit RH850/F1K automotive-grade microcontroller featuring a dual-core lockstep CPU, 2 MB on-chip flash memory, 256 KB RAM, and integrated CAN FD, LIN, and SENT interfaces. It operates at up to 160 MHz, supports ASIL-D functional safety per ISO 26262, and targets engine control units (ECUs) requiring high-integrity real-time processing.

For engineers reviewing the R7F7015814AFP-C#AA3 datasheet, R7F7015814AFP-C#AA3 pinout, R7F7015814AFP-C#AA3 application, or R7F7015814AFP-C#AA3 equivalent, key selection criteria include dual-core lockstep execution integrity, ASIL-D hardware safety mechanisms (ECC on flash/RAM, BIST, watchdog timers), CAN FD data rate support up to 5 Mbps, and qualification for automotive powertrain systems.

Technical Context

The R7F7015814AFP-C#AA3 implements two synchronized RH850 G3KH CPU cores executing identical instruction streams with cycle-accurate comparison to detect transient faults. Its safety architecture includes dedicated error-correcting code (ECC) for both flash and SRAM, built-in self-test (BIST) for memory and logic, and redundant clock monitoring.

It integrates automotive-qualified peripherals including three CAN FD controllers (with time-triggered communication support), four LIN controllers, eight SENT receivers/transmitters, and a 12-bit ADC with 48 channels. All critical I/Os support fail-safe states and configurable drive strength for noise immunity in harsh environments.

Key Specifications

Pinout & Package

Package: 144-pin LQFP (20 mm × 20 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level (MSL) 3.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R7F7015814AFP-C#AA3, the R7F7015834AFP-C#AA3 offers doubled flash capacity without changing footprint or safety architecture, while the SPC574S40E1 provides an alternative ASIL-D platform with distinct ISA and development tools-neither is a drop-in replacement, but both serve overlapping automotive powertrain roles.

Availability

R7F7015814AFP-C#AA3 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, electric power steering systems, and brake control units requiring stable component supply across multi-year automotive production cycles.

Supply support for R7F7015814AFP-C#AA3 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/F1K product line delivers ASIL-D-capable 32-bit MCUs designed specifically for automotive powertrain and chassis control applications demanding highest functional safety integrity.

FAQ

What is the maximum operating frequency of the R7F7015814AFP-C#AA3?

The R7F7015814AFP-C#AA3 operates at a maximum CPU frequency of 160 MHz. This clock speed is achieved using the on-chip PLL with an external 8–20 MHz crystal input. The dual-core lockstep architecture maintains full timing integrity at this frequency, enabling deterministic execution for time-critical engine control tasks. All peripherals-including CAN FD, SENT, and ADC-are fully functional and timing-verified at 160 MHz operation.

Does the R7F7015814AFP-C#AA3 support ISO 26262 ASIL-D compliance out of the box?

Yes, the R7F7015814AFP-C#AA3 is designed and qualified to meet ISO 26262 ASIL-D requirements. It includes hardware safety mechanisms such as dual-core lockstep execution, ECC on flash and SRAM, memory BIST, clock and voltage monitors, and configurable watchdog timers. Renesas provides a complete safety manual, FMEDA report, and safety analysis documentation to support ASIL-D system integration. The R7F7015814AFP-C#AA3 itself is not "certified" - certification applies to the final system - but it delivers the necessary hardware features and documentation to achieve ASIL-D.

How many CAN FD interfaces does the R7F7015814AFP-C#AA3 integrate?

The R7F7015814AFP-C#AA3 integrates three independent CAN FD controllers. Each supports classical CAN (up to 1 Mbps) and CAN FD (up to 5 Mbps in the data phase), with time-triggered communication (TTCAN) capability for deterministic scheduling. These controllers share no common register banks or arbitration logic, allowing fully independent operation - essential for separating powertrain, chassis, and body networks in automotive architectures.

What type of ADC is included in the R7F7015814AFP-C#AA3 and how many channels does it support?

The R7F7015814AFP-C#AA3 includes a 12-bit successive approximation register (SAR) ADC with 48 input channels. It supports both single-ended and differential input modes, simultaneous sampling across up to 4 groups, and hardware-triggered conversion sequences synchronized to timer or PWM events. The ADC is powered by a dedicated AVDD supply and includes built-in offset/gain calibration registers to maintain accuracy across temperature and voltage variations - critical for precision sensor measurement in engine control applications.

Is the R7F7015814AFP-C#AA3 pin-compatible with other RH850/F1K variants?

The R7F7015814AFP-C#AA3 uses a 144-pin LQFP package with a defined pinout documented in the RH850/F1K Hardware User's Manual. Within the RH850/F1K family, several variants (e.g., R7F7015834AFP-C#AA3, R7F7015824AFP-C#AA3) share identical pinouts and package dimensions, enabling footprint compatibility. However, peripheral enablement and memory size differ between variants - for example, flash capacity ranges from 1 MB to 4 MB across the family - so software and power design must be verified per specific part number.