Renesas R5F56609CDFB#10

Overview

R5F56609CDFB#10 from Renesas is a 32-bit RXv3 core MCU operating at up to 120 MHz, featuring 1 Mbyte on-chip code flash, 128 Kbytes SRAM, 32 Kbytes data flash, CAN FD interface, 12-bit A/D and D/A converters, and real-time clock with sub-clock oscillator support - deployed in industrial motor control, building automation, and IEC60730-compliant appliance systems.

For engineers reviewing the R5F56609CDFB#10 datasheet, R5F56609CDFB#10 pinout, R5F56609CDFB#10 application, or R5F56609CDFB#10 equivalent, key selection criteria include its 144-pin LFQFP (PLQP0144KA-B) package with JTAG/FINE debug support, full peripheral set including MTU3a timer, dual-channel 12-bit D/A, and hardware safety features (MPU, Trusted Memory, CAC, DOCA) for functional safety certification.

Technical Context

The R5F56609CDFB#10 implements the RXv3 CPU core with single-precision FPU compliant to IEEE 754, supporting 113 instructions including DSP and floating-point operations. Its clock system integrates main (8–24 MHz), sub (32.768 kHz), and on-chip oscillators (HOCO/LOCO), with PLL enabling 120 MHz system clock while independently configuring PCLKA (120 MHz), PCLKB (60 MHz), and ADCLK (60 MHz).

Peripheral coordination is managed via the Event Link Controller (ELC), which interconnects 83 internal event signals - enabling autonomous operation of timers, ADC triggers, and GPIO state changes without CPU intervention. Safety-critical functions are reinforced by memory protection unit (MPU), register write protection, and hardware CRC (CRCA) with configurable polynomials for 8-/32-bit data.

Key Specifications

Pinout & Package

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

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F56609CDFB#10, R5F56608CDFB#10 offers identical functionality at reduced flash capacity for cost-sensitive volume production, while R5F56609ADFB#10 trades package size and debug capability for board area savings - neither provides pin-to-pin compatibility nor identical peripheral availability.

Availability

R5F56609CDFB#10 is available at Aetrix Electronics and suitable for industrial motor control, building automation gateways, and IEC60730-compliant white goods requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F56609CDFB#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 leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX660 Group - including R5F56609CDFB#10 - is engineered for high-performance, safety-certifiable embedded control in appliances, factory automation, and energy infrastructure, integrating real-time responsiveness, functional safety hardware, and rich connectivity.

FAQ

What is the maximum operating frequency and core architecture of the R5F56609CDFB#10?

The R5F56609CDFB#10 features a 32-bit RXv3 CPU core with single-precision floating-point unit (FPU), achieving a maximum operating frequency of 120 MHz and delivering 709 CoreMark performance. Its architecture supports 113 instructions including DSP and IEEE 754-compliant floating-point operations, with collective register bank save for deterministic real-time interrupt response. The R5F56609CDFB#10 uses little-endian instruction encoding and supports selectable endianness for data access.

Does the R5F56609CDFB#10 support CAN FD, and what standard compliance does it meet?

Yes, the R5F56609CDFB#10 integrates a CAN FD module compliant with ISO 11898-1:2015, supporting both standard (11-bit) and extended (29-bit) frame formats with flexible data rates up to 5 Mbps in the data phase. It operates as a single-channel controller with hardware message filtering, FIFO buffering, and error confinement - enabling robust fieldbus communication in industrial and automotive subsystems. The R5F56609CDFB#10 requires no external transceiver for protocol layer implementation.

What are the memory resources available on the R5F56609CDFB#10?

The R5F56609CDFB#10 provides 1 Mbyte of on-chip code flash memory with zero-wait-state access at 120 MHz, 128 Kbytes of SRAM with no wait states, and 32 Kbytes of reprogrammable data flash rated for 100,000 erase/write cycles. It also includes a 12-byte unique ID and supports Trusted Memory (TM) for secure code protection. All memory interfaces are accessible via the RXv3's 4-Gbyte linear address space, and background operations allow concurrent execution and flash programming. The R5F56609CDFB#10 leverages these resources for firmware storage, real-time data buffering, and non-volatile parameter retention.

How does the R5F56609CDFB#10 support functional safety standards like IEC60730?

The R5F56609CDFB#10 includes multiple hardware features certified for IEC60730 Class B compliance: memory protection unit (MPU), register write protection, clock frequency accuracy measurement circuit (CAC), independent watchdog timer (IWDT) with windowing, oscillation-stop detection, and self-diagnostic A/D converter. It also provides CRC calculator (CRCA) with configurable polynomials and data operation circuit (DOCA) for runtime arithmetic validation. These capabilities enable systematic fault detection and mitigation - critical for R5F56609CDFB#10 deployments in household appliances and industrial controls requiring safety certification.

What package type and thermal characteristics does the R5F56609CDFB#10 use?

The R5F56609CDFB#10 is housed in a 144-pin Low-profile Quad Flat Package (LFQFP) with designation PLQP0144KA-B: 20 × 20 mm body, 0.5 mm pitch, and exposed thermal pad. It is rated for the D-version industrial temperature range of –40°C to +85°C. The package supports 5-V tolerant I/O pins, internal pull-up resistors, open-drain outputs, and configurable drive strength - facilitating direct interfacing with legacy 5-V logic and sensors. This package variant includes both JTAG and FINE debug interfaces, distinguishing it from smaller-pin-count RX660 variants.