Renesas R5F566NNDGLK#20

Overview

R5F566NNDGLK#20 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 3-phase/5-phase complementary PWM generation with 195 ps timing resolution.

For engineers reviewing the R5F566NNDGLK#20 datasheet, R5F566NNDGLK#20 pinout, R5F566NNDGLK#20 application, or R5F566NNDGLK#20 equivalent, this MCU delivers deterministic real-time control for servo drives, HVAC compressors, and industrial PMSM/BLDC inverters - with on-chip FPU, IEC60730-compliant safety features, and dual CAN/USB interfaces.

Technical Context

The R5F566NNDGLK#20 implements the RXv3 CPU core with single-cycle instruction execution, IEEE 754-compliant single-precision FPU, and 4-Gbyte linear address space. It integrates three independent 12-bit A/D converter units (30 channels total) with simultaneous sampling across up to 7 channels and programmable gain amplifiers supporting pseudo-differential input on six channels.

Its timer subsystem combines ten 32-bit GPTW channels (160 MHz operation), nine 16-bit MTU3d channels, and four HRPWM channels delivering 195 ps minimum edge placement resolution - all synchronized via PCLKC at up to 160 MHz and coordinated through the Event Link Controller (ELC) for interrupt-free peripheral chaining during deep sleep.

Key Specifications

Pinout & Package

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

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F566NNDGLK#20, the R5F566NNDFP#30 sacrifices USB and analog resources for compactness, while the R5F566TNDGLK#20 trades memory headroom for lower unit cost - neither offers identical feature parity, making R5F566NNDGLK#20 the optimal choice for full-featured, high-performance industrial inverter control.

Availability

R5F566NNDGLK#20 is available at Aetrix Electronics and suitable for industrial motor drives, HVAC inverter systems, and servo drive development requiring stable component supply, long-term lifecycle assurance, and automotive-grade temperature resilience.

Supply support for R5F566NNDGLK#20 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 enterprise applications.

The RX66T Group - including R5F566NNDGLK#20 - was designed specifically for high-precision motor control in industrial inverters, combining real-time PWM timing, multi-channel synchronized ADC, and functional safety features aligned with IEC60730 Class B.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F566NNDGLK#20?

The R5F566NNDGLK#20 operates at a maximum frequency of 160 MHz and achieves 928 CoreMark performance under benchmark conditions. This reflects its RXv3 CPU core efficiency, on-chip FPU acceleration, and zero-wait-state 128 KB SRAM - enabling deterministic execution of complex motor control algorithms in real time. The R5F566NNDGLK#20 maintains this performance across its full industrial temperature range (–40°C to +105°C).

Does the R5F566NNDGLK#20 support simultaneous sampling across multiple analog input channels?

Yes, the R5F566NNDGLK#20 supports simultaneous sampling across up to 7 channels using its three independent 12-bit S12ADH ADC units (Unit 0: 8 channels, Unit 1: 8 channels, Unit 2: 14 channels). This capability is essential for accurate three-phase current reconstruction in motor control, eliminating timing skew between phase measurements. The R5F566NNDGLK#20 also provides programmable sample-and-hold circuits on six channels for pseudo-differential input.

What PWM resolution and complementary output capabilities does the R5F566NNDGLK#20 provide?

The R5F566NNDGLK#20 delivers 195 ps minimum edge placement resolution via its four-channel HRPWM module, synchronized with ten 32-bit GPTW timers and nine 16-bit MTU3d channels. It supports single-phase (10 outputs), 3-phase (3 outputs), and 5-phase (2 outputs) complementary PWM modes with automatic dead-time insertion. These features make the R5F566NNDGLK#20 ideal for SiC/GaN-based inverter designs requiring nanosecond-level timing precision.

Is the R5F566NNDGLK#20 qualified for IEC60730 safety compliance?

Yes, the R5F566NNDGLK#20 includes dedicated hardware features for IEC60730 Class B compliance: oscillation-stoppage detection, clock frequency accuracy measurement (CAC), independent watchdog timer (IWDT), RAM test-assisting function (DOC), CRC calculator (CRCA), and register write protection. These are documented in the official R01DS0315EJ0130 datasheet and validated for use in safety-critical motor control applications - a core design objective of the R5F566NNDGLK#20.

What communication interfaces are integrated into the R5F566NNDGLK#20?

The R5F566NNDGLK#20 integrates CAN (ISO11898-1, 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). Its dual CAN/USB capability enables robust fieldbus connectivity and in-system firmware updates - a key differentiator of the R5F566NNDGLK#20 in industrial automation systems.