Renesas R7F7010083AFP-C#KA4

Overview

R7F7010083AFP-C#KA4 from Renesas Electronics is a 32-bit RH850/F1KH-D8 automotive microcontroller featuring a 200 MHz CPU core, 1.5 MB on-chip flash memory, and integrated CAN FD, LIN, and SENT interfaces. It supports ASIL-B functional safety compliance per ISO 26262 and includes hardware security modules (ICUMD) for cryptographic acceleration. It is deployed in engine control units (ECUs) requiring real-time deterministic execution and robust fault handling.

For engineers reviewing the R7F7010083AFP-C#KA4 datasheet, R7F7010083AFP-C#KA4 pinout, R7F7010083AFP-C#KA4 application, or R7F7010083AFP-C#KA4 equivalent, key selection considerations include its 176-pin LQFP package, dual-lockstep CPU configuration, 12-bit ADC with 48 channels, 64 KB SRAM with ECC, and support for flash programming via JTAG and FINE.

Technical Context

The R7F7010083AFP-C#KA4 implements a dual-core lockstep architecture with two independent RH850 G3KH CPU cores operating synchronously to enable ASIL-B-compliant fault detection. It integrates a 12-channel timer array unit (TAU), 4-channel general PWM timer (GPT), and 2-channel rotary encoder interface (REI) for motor position sensing.

Its peripheral set includes a 4-channel CAN FD controller with time-triggered communication support, 2-channel LIN master/slave, 4-channel SENT transmitters, and an intelligent cryptographic unit (ICUMD) supporting AES-128/256, SHA-256, and RSA-2048 acceleration. Memory protection is enforced via MPU with 16 regions and configurable access attributes.

Key Specifications

Pinout & Package

Package: 176-pin LQFP (24 mm × 24 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 R7F7010083AFP-C#KA4, the R7F7010283AFP-C#KA4 offers scalable flash capacity without layout or software changes, while the R7F7010043AFP-C#KA4 reduces BOM cost by removing ICUMD and half the CAN FD channels-making it viable only where those features are unused.

Availability

R7F7010083AFP-C#KA4 is available at Aetrix Electronics and suitable for engine control units, transmission control modules, electric power steering systems, and brake-by-wire controllers requiring stable component supply across multi-year automotive production programs.

Supply support for R7F7010083AFP-C#KA4 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-performance, functional-safety-certified MCUs for powertrain and chassis applications, designed to meet ASIL-B requirements with hardware lockstep, memory ECC, and certified safety libraries.

FAQ

What is the maximum operating frequency of the R7F7010083AFP-C#KA4?

The R7F7010083AFP-C#KA4 operates at a maximum CPU frequency of 200 MHz, achieved via its on-chip PLL with external 4–20 MHz crystal or clock source. This frequency is fully supported across the industrial temperature range (−40°C to +125°C) and maintained under all specified voltage conditions (VDD = 4.5–5.5 V). The R7F7010083AFP-C#KA4 uses dynamic voltage and frequency scaling (DVFS) only during low-power modes-not during active operation.

Does the R7F7010083AFP-C#KA4 support ISO 26262 ASIL-B certification out of the box?

Yes, the R7F7010083AFP-C#KA4 is designed to support ASIL-B compliance per ISO 26262:2018 Part 5 and Part 6. It includes dual-lockstep CPU cores, memory ECC on both flash and SRAM, hardware memory protection unit (MPU), and diagnostic firmware libraries provided by Renesas. However, full ASIL-B certification requires system-level integration, safety analysis, and tool qualification-R7F7010083AFP-C#KA4 provides the necessary hardware foundation but is not itself "certified" as a standalone component.

What debug interfaces does the R7F7010083AFP-C#KA4 support?

The R7F7010083AFP-C#KA4 supports JTAG (IEEE 1149.1) and FINE (Renesas proprietary high-speed serial interface) for debugging and flash programming. JTAG is used for boundary scan and full-core debug, while FINE enables faster flash erase/write cycles and real-time trace streaming. Both interfaces remain accessible in all operational modes except deep standby, and require no additional pins beyond the dedicated TCK/TMS/TDI/TDO (JTAG) or FINE_CLK/FINE_DATA (FINE) signals.

Can the R7F7010083AFP-C#KA4 execute code from RAM?

Yes, the R7F7010083AFP-C#KA4 supports XIP (execute-in-place) from flash and also allows loading and executing application code from its 64 KB on-chip SRAM. This capability is used for time-critical routines (e.g., interrupt service handlers or PID loops) to avoid flash wait states. Code execution from SRAM requires explicit memory mapping via the MMU and must respect MPU region permissions-R7F7010083AFP-C#KA4 does not permit arbitrary SRAM execution without configuration.

What is the role of the ICUMD block in the R7F7010083AFP-C#KA4?

The ICUMD (Intelligent Cryptographic Unit – Master D) in the R7F7010083AFP-C#KA4 is a dedicated hardware accelerator for symmetric and asymmetric cryptography. It supports AES-128/256 encryption/decryption, SHA-256 hashing, and RSA-2048 signing/verification with DMA-assisted data transfer. Its purpose is to offload computationally intensive security operations from the main CPU-enabling R7F7010083AFP-C#KA4 to perform secure boot validation, firmware signature checking, and TLS handshake acceleration without compromising real-time performance.