Renesas R5F56609BGFN#10

Overview

R5F56609BGFN#10 from Renesas is a 32-bit RXv3 core microcontroller operating at up to 120 MHz, delivering 709 CoreMark performance. It integrates 1 Mbyte of on-chip code flash (no-wait access), 128 Kbytes of SRAM, 32 Kbytes of reprogrammable data flash, and supports CAN FD, 12-bit A/D and D/A converters, RTC, and remote control signal reception. It targets industrial motor control, building automation, and IEC 60730-compliant appliance systems.

For engineers reviewing the R5F56609BGFN#10 datasheet, R5F56609BGFN#10 pinout, R5F56609BGFN#10 application, or R5F56609BGFN#10 equivalent, key selection considerations include its 144-pin LFQFP package with JTAG/FINE debug support, G-grade temperature range (–40°C to +105°C), 5-V-tolerant I/O, and integrated safety features including MPU, Trusted Memory, and CRC calculator for functional safety compliance.

Technical Context

The R5F56609BGFN#10 implements the RXv3 CPU core with single-precision FPU compliant with IEEE 754, supporting little-endian or big-endian data arrangement and 113 instructions including DSP and floating-point operations. Its clock system combines an 8–24 MHz external main oscillator, 32.768 kHz sub-clock, and internal HOCO/LOCO oscillators, with PLL-based frequency synthesis enabling independent clock domains (ICLK up to 120 MHz, PCLKA up to 120 MHz, PCLKB up to 60 MHz, ADCLK up to 60 MHz).

It features event-driven architecture via the Event Link Controller (ELC), allowing 83 internal event signals to trigger peripheral actions-including MTU3a PWM generation, A/D conversion starts, and RTC time capture-without CPU intervention. Power management includes four low-power modes, deep software standby with RTC active, and voltage monitoring with configurable reset thresholds across three LVD circuits.

Key Specifications

Pinout & Package

Package: PLQP0144KA-B - 144-pin Low-profile Quad Flat Package, 20 × 20 mm body, 0.5 mm pitch, exposed pad, RoHS compliant.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit MCU applications.

Compared with R5F56609BGFN#10, R5F56608BGFN#10 trades flash capacity for cost while preserving full peripheral and safety functionality, whereas R5F56609BDFN#10 sacrifices RTC and extended temperature rating for lower qualification cost-neither is pin-compatible drop-in replacements without firmware and board-level validation.

Availability

R5F56609BGFN#10 is available at Aetrix Electronics and suitable for industrial motor control, building automation gateways, and IEC 60730-compliant white goods requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability.

Supply support for R5F56609BGFN#10 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 global semiconductor manufacturer specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and IoT markets.

The RX660 Group, including R5F56609BGFN#10, was designed for high-performance, safety-aware embedded control in appliances, factory automation, and energy infrastructure-emphasizing real-time responsiveness, functional safety certification readiness, and mixed-signal integration.

FAQ

What is the maximum operating frequency and core type of the R5F56609BGFN#10?

The R5F56609BGFN#10 features a 32-bit RXv3 CPU core with single-precision FPU and operates at a maximum frequency of 120 MHz. It achieves 709 CoreMark performance at this speed and supports IEEE 754-compliant floating-point operations. The core includes 16 general-purpose 32-bit registers, two 72-bit accumulators, and 113 instructions optimized for real-time control and signal processing tasks.

Does the R5F56609BGFN#10 support CAN FD, and what standard does it comply with?

Yes, the R5F56609BGFN#10 integrates a CAN FD module compliant with ISO 11898-1:2015, supporting both standard and extended frames. It operates at data rates up to 5 Mbps in FD mode and includes built-in message filtering, FIFO buffering, and error handling. This makes the R5F56609BGFN#10 suitable for modern industrial fieldbus and automotive subsystem communication where bandwidth and deterministic latency are critical.

What package type and pin count does the R5F56609BGFN#10 use?

The R5F56609BGFN#10 uses a 144-pin Low-profile Quad Flat Package (LFQFP) with part code PLQP0144KA-B: 20 × 20 mm body, 0.5 mm pitch, and exposed thermal pad. It includes JTAG and FINE debugging interfaces, 130 general-purpose I/O pins (4 of which are 5-V tolerant), and dedicated pins for main/sub-clock oscillators, CAN FD differential pairs, and power domains.

What safety and reliability features does the R5F56609BGFN#10 provide for IEC 60730 compliance?

The R5F56609BGFN#10 includes multiple hardware features supporting IEC 60730 Class B compliance: memory protection unit (MPU), Trusted Memory (TM) for code protection, CRCA for CRC calculation, CAC for clock accuracy monitoring, DOCA for arithmetic verification, register write protection, and independent watchdog timer (IWDT) with windowing. These features collectively enable systematic safety mechanisms required for household appliance certification.

Is the R5F56609BGFN#10 compatible with Renesas' development tools and software ecosystem?

Yes, the R5F56609BGFN#10 is fully supported by Renesas' e2 studio IDE, CS+ compiler, and the RX Driver Package (RDP). It is compatible with the Renesas Starter Kit+ for RX660 (RTK0EG0020S01000BJ) and third-party debug probes supporting JTAG/FINE. The R5F56609BGFN#10 also integrates with Renesas' Functional Safety Package (FSP) and safety libraries certified to IEC 60730.