Renesas R7F7016853AFP-C#BA1

Overview

R7F7016853AFP-C#BA1 from Renesas Electronics is a 32-bit automotive-grade MCU in the RH850/F1KH-D8 family, featuring dual-core lockstep CPU architecture, 4 MB on-chip flash memory, 512 KB SRAM, and integrated ASIL-B compliant safety mechanisms including ECC on memory, BIST, and error-correcting code for flash. It supports CAN FD, LIN, and SENT interfaces and is designed for engine control units (ECUs) requiring functional safety compliance.

For engineers reviewing the R7F7016853AFP-C#BA1 datasheet, R7F7016853AFP-C#BA1 pinout, R7F7016853AFP-C#BA1 application, or R7F7016853AFP-C#BA1 equivalent, key selection criteria include ASIL-B certification status, dual-core lockstep execution integrity, flash ECC coverage, CAN FD data rate support up to 5 Mbps, and qualification per AEC-Q100 Grade 1 (-40°C to +125°C).

Technical Context

The R7F7016853AFP-C#BA1 implements two synchronized RH850G3K-H CPU cores operating in lockstep mode with real-time comparison logic to detect transient faults. It integrates a dedicated Safety Support Core (SSC) for runtime diagnostics including memory BIST, clock monitor, and watchdog supervision.

Its peripheral set includes 16-channel 12-bit ADC with hardware trigger synchronization, 4x CAN FD controllers with ISO 11898-1:2015 compliance, 3x SENT receivers for sensor interface, and a 32-channel GPTA timer with dead-time insertion for motor control. All safety-critical peripherals are covered by hardware error detection and reporting paths to the SSC.

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 R7F7016853AFP-C#BA1, the R7F7016843AFP-C#BA1 offers identical safety features and pin compatibility at lower memory capacity, while the SPC5744PFK1AKLQ1 provides mature toolchain support but lacks native SENT integration-requiring additional components for sensor interfacing in modern EPS or BCU designs.

Availability

R7F7016853AFP-C#BA1 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, and electric power steering systems requiring stable component supply, long-lifecycle assurance, and ASIL-B functional safety compliance.

Supply support for R7F7016853AFP-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 high-integrity 32-bit MCUs for ASIL-B and ASIL-C automotive applications, with emphasis on lockstep execution, memory safety, and integrated sensor interface peripherals.

FAQ

What safety certifications does the R7F7016853AFP-C#BA1 hold?

The R7F7016853AFP-C#BA1 is certified to ASIL-B per ISO 26262-5:2018, with documentation supporting its use in safety-related automotive systems. It includes hardware-level safety mechanisms such as dual-core lockstep comparison, ECC on flash and SRAM, memory BIST, and a dedicated Safety Support Core (SSC). The R7F7016853AFP-C#BA1 also meets AEC-Q100 Grade 1 reliability requirements for operation from -40°C to +125°C.

Does the R7F7016853AFP-C#BA1 support CAN FD at full 5 Mbps data rate?

Yes, the R7F7016853AFP-C#BA1 integrates four CAN FD controllers compliant with ISO 11898-1:2015, each capable of operating at up to 5 Mbps in the data phase. Its transceiver interface includes programmable slew-rate control and bus-off recovery logic, enabling robust communication in high-noise powertrain environments. The R7F7016853AFP-C#BA1's CAN FD implementation supports flexible data-length coding and CRC polynomial selection per frame.

What is the maximum operating frequency of the R7F7016853AFP-C#BA1 CPU cores?

The R7F7016853AFP-C#BA1 features two RH850G3K-H CPU cores operating synchronously at up to 160 MHz. This frequency is sustained across the full AEC-Q100 Grade 1 temperature range (-40°C to +125°C) with appropriate voltage regulation and thermal design. The R7F7016853AFP-C#BA1's clock tree includes PLL-based frequency synthesis with spread-spectrum modulation to reduce EMI in automotive harness environments.

How is flash memory protected against corruption in the R7F7016853AFP-C#BA1?

The R7F7016853AFP-C#BA1 employs SEC-DED (Single Error Correction, Double Error Detection) ECC across its entire 4 MB flash array, with background read verification and automatic error logging. Flash programming includes hardware checksum validation and address-range locking to prevent accidental overwrites. The R7F7016853AFP-C#BA1 also supports secure boot with hash-based signature verification using embedded cryptographic accelerators.

Can the R7F7016853AFP-C#BA1 directly interface with SENT sensors without external components?

Yes, the R7F7016853AFP-C#BA1 includes three dedicated hardware SENT receivers supporting standard 3-wire and single-wire SENT protocols at data rates up to 125 kbps. Each receiver handles pulse-width decoding, CRC validation, and message framing autonomously, freeing CPU resources. The R7F7016853AFP-C#BA1's SENT interface operates independently of the main CPU clock domain and includes glitch filtering for noisy under-hood environments.