Renesas R5F56609HDFB#10

Overview

R5F56609HDFB#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 embedded HMI systems.

For engineers reviewing the R5F56609HDFB#10 datasheet, R5F56609HDFB#10 pinout, R5F56609HDFB#10 application, or R5F56609HDFB#10 equivalent, key selection criteria include 144-pin LFQFP package compatibility, 120-MHz deterministic timing for real-time control loops, IEC60730 safety features including MPU and CRC calculator, and dual-channel 12-bit D/A output usable as analog comparator reference.

Technical Context

The R5F56609HDFB#10 implements the RXv3 CPU core with single-cycle instruction execution, IEEE 754-compliant FPU, and collective register bank save for fast context switching. It integrates an ELC (Event Link Controller) enabling interrupt-free inter-module triggering - critical for deterministic sensor-to-actuator response in motor drives.

Clock architecture includes independent PLL, main/sub oscillators, and dedicated IWDT oscillator running at 120 kHz. Peripheral clocks are decoupled: PCLKA up to 120 MHz for MTU3a and RSPI, PCLKB up to 60 MHz for TMR/SCI, and ADCLK up to 60 MHz for S12ADH - allowing mixed-speed operation without CPU intervention.

Key Specifications

Pinout & Package

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

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F56608HDFB#10, R5F56609HDFB#10 provides full RTCC capability and double flash capacity for field-upgradable firmware; compared with R5F566T9HDFB#10, it trades thermal rating for cost savings in commercial-temperature applications without sacrificing any peripheral functionality.

Availability

R5F56609HDFB#10 is available at Aetrix Electronics and suitable for industrial motor control, building automation, smart appliance HMI, and medical diagnostic equipment requiring stable component supply across multi-year production cycles.

Supply support for R5F56609HDFB#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 industrial, automotive, and IoT markets.

The RX660 Group - including R5F56609HDFB#10 - is engineered for real-time deterministic control in safety-critical industrial systems, integrating IEC60730 compliance features, high-precision analog, and CAN FD connectivity.

FAQ

What is the maximum operating frequency and core type of the R5F56609HDFB#10?

The R5F56609HDFB#10 operates at a maximum frequency of 120 MHz using the 32-bit RXv3 CPU core. It achieves 709 CoreMark performance at this speed and includes a single-precision IEEE 754 floating-point unit. The core supports collective register bank save for rapid context switching and has a 4-Gbyte linear address space with 113 instructions including DSP and FPU extensions - all confirmed in the R01DS0393EJ0100 datasheet Rev.1.00.

Does the R5F56609HDFB#10 support real-time clock functionality with calendar features?

Yes, the R5F56609HDFB#10 supports full real-time clock (RTCC) functionality including calendar mode with leap-year correction, 30-second adjustment, and time-capture on up to three pins. This requires the sub-clock oscillator (32.768 kHz crystal) connected to RTCXTAL/RTCXTAL pins. The RTCC is explicitly enabled in the 144-pin LFQFP variant with JTAG and sub-clock oscillator - matching the R5F56609HDFB#10 configuration per Table 1.2 of the datasheet.

What are the analog capabilities of the R5F56609HDFB#10, particularly regarding ADC and DAC?

The R5F56609HDFB#10 integrates a 24-channel 12-bit S12ADH ADC with minimum 0.9 µs conversion time at 60 MHz ADCLK, and two independent 12-bit R12DAb DAC channels with 0–AVCC0 output range. Both DAC outputs can serve as reference voltages for the four-channel CMPC analog comparators. These analog resources are fully available in the 144-pin package and validated in the "Outline of Specifications" section (pages 6–8) of R01DS0393EJ0100.

Is CAN FD supported on the R5F56609HDFB#10, and what standard does it comply with?

Yes, the R5F56609HDFB#10 includes one CAN FD module compliant with ISO 11898-1:2015 for both standard and extended frames, supporting data rates up to 5 Mbps. The module is present in all RX660 Group packages including the 144-pin LFQFP, and its implementation includes bit-rate switching, flexible data-length payloads, and error confinement - as specified in the "Communication function" section (page 7) of R01DS0393EJ0100.

What safety and reliability features does the R5F56609HDFB#10 provide for IEC60730 compliance?

The R5F56609HDFB#10 includes multiple IEC60730 Class B compliance features: memory protection unit (MPU), Trusted Memory (TM) for code protection, CRC calculator (CRCA) for data integrity, clock frequency accuracy measurement circuit (CAC), oscillation-stop detection, RAM test assist via DOCA, and independent watchdog timer (IWDT) with window function. These are documented in the "Safety" section (page 9) and confirmed for the RX660 Group in the R01DS0393EJ0100 datasheet.