Renesas R5F566NDHGFC#V0

Overview

R5F566NDHGFC#V0 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and industrial inverter applications, operating at up to 160 MHz with 928 CoreMark performance, 1 MB on-chip code flash, 128 KB SRAM (no wait states), and integrated high-resolution PWM (195 ps minimum resolution) for precise gate timing in 3-phase/5-phase inverters.

For engineers reviewing the R5F566NDHGFC#V0 datasheet, R5F566NDHGFC#V0 pinout, R5F566NDHGFC#V0 application, or R5F566NDHGFC#V0 equivalent, this MCU delivers deterministic real-time control with simultaneous sampling across three 12-bit A/D units, embedded TSIP-Lite encryption, IEC60730-compliant safety features, and dual CAN/USB FS interfaces - critical for servo drives, HVAC compressors, and industrial PLCs.

Technical Context

The R5F566NDHGFC#V0 implements the RXv3 CPU core with single-precision FPU, IEEE 754-compliant floating-point arithmetic, and 111 instructions including DSP extensions. Its clock system supports PLL multiplication using 8–24 MHz external crystals or internal 16–20 MHz HOCO, enabling independent peripheral clock domains (PCLKA up to 120 MHz, PCLKC up to 160 MHz) for synchronized PWM and ADC timing.

Motor control execution relies on tightly coupled peripherals: ten 32-bit GPTW timers with complementary PWM output, nine 16-bit MTU3d channels supporting 3-phase dead-time insertion, four HRPWM channels for sub-nanosecond edge placement, and event-linked operation via ELC - allowing hardware-triggered ADC conversions and timer actions without CPU intervention during sleep modes.

Key Specifications

Pinout & Package

Package: PLQP0144KA-B, 144-pin LFQFP, 20 × 20 mm, 0.5 mm pitch, RoHS compliant. Pin count and I/O configuration match full-featured variant: 110 general-purpose I/O pins with 5-V tolerance (4 pins), open-drain capability, pull-up resistors, and large-current drive (15 pins).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar motor control MCU applications.

Compared with R5F566NDHGFC#V0, the R5F566TEHGFC#V0 offers identical peripheral integration and safety features at lower memory density, while the R7FA6M2AF3CFM#AA0 sacrifices HRPWM precision, ADC concurrency, and hardware security to reduce cost - making R5F566NDHGFC#V0 the sole choice for certified industrial inverter designs requiring deterministic timing and functional safety.

Availability

R5F566NDHGFC#V0 is available at Aetrix Electronics and suitable for industrial servo drives, HVAC compressor controllers, and EV onboard charger systems requiring stable component supply, long-term lifecycle support, and traceable sourcing for production ramp-up.

Supply support for R5F566NDHGFC#V0 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 industrial, automotive, and infrastructure markets.

The RX66T Group, including R5F566NDHGFC#V0, was designed specifically for high-performance motor control in industrial inverters, servo drives, and HVAC systems - integrating precision timing, safety, and communication in a single chip.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F566NDHGFC#V0?

The R5F566NDHGFC#V0 operates at a maximum frequency of 160 MHz and achieves 928 CoreMark performance. This benchmark reflects its RXv3 CPU core's efficiency in executing real-time motor control algorithms, including field-oriented control (FOC) and space-vector modulation, with minimal instruction cycles per operation. The R5F566NDHGFC#V0 sustains this performance across its full temperature range (–40°C to +105°C) and supply voltage (2.7–5.5 V).

Does the R5F566NDHGFC#V0 support simultaneous sampling across multiple A/D converters?

Yes, the R5F566NDHGFC#V0 integrates three independent 12-bit S12ADH units (30 total channels) that support hardware-synchronized sampling. Each unit can be triggered simultaneously via shared ADTRG signals from GPTW or MTU3 timers, enabling concurrent acquisition of motor phase currents and DC-link voltage - essential for accurate torque calculation in PMSM/BLDC control. The R5F566NDHGFC#V0 also includes programmable gain amplifiers on six channels for pseudo-differential sensing.

What PWM resolution does the R5F566NDHGFC#V0 provide, and how is it achieved?

The R5F566NDHGFC#V0 delivers a minimum PWM timing resolution of 195 ps using its four-channel High-Resolution PWM (HRPWM) module, which overlays fine-grained edge placement onto the base 32-bit GPTW timers. This resolution is realized by interpolating between PCLKC cycles (up to 160 MHz) and is validated at full operating frequency. The R5F566NDHGFC#V0 uses this capability to minimize dead-time uncertainty and switching losses in SiC-based inverter designs.

Is the R5F566NDHGFC#V0 certified for IEC60730 Class B compliance?

The R5F566NDHGFC#V0 includes dedicated hardware features required for IEC60730 Class B compliance: oscillation-stop detection, RAM test-assisting function (via DOC), CRC calculator (CRCA), independent watchdog timer (IWDT) with window function, clock frequency accuracy measurement circuit (CAC), and register write protection. These are documented in Renesas Application Note R01AN4019EU0100 and enable self-test routines without external components - a key requirement for the R5F566NDHGFC#V0 in appliance and industrial safety applications.

What communication interfaces are integrated into the R5F566NDHGFC#V0?

The R5F566NDHGFC#V0 integrates CAN (ISO 11898-1, 32 mailboxes), USB 2.0 Full-Speed host/function/OTG, seven SCI channels (including FIFO-buffered SCI11 and LIN-capable SCI12), one I2C (RIICa, 400 kbps), and one RSPI (30 Mbps). These interfaces support multi-protocol industrial networking - for example, CAN for distributed axis control, USB for firmware updates, and SCI for debug or host command interface. All are accessible on the R5F566NDHGFC#V0's 144-pin LFQFP package with no external transceivers required.