Renesas R5F566NDDGLK#20

Overview

R5F566NDDGLK#20 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and industrial inverter applications, operating at up to 160 MHz with 1 MB code flash, 128 KB SRAM, 32 KB data flash, integrated 3-phase/5-phase PWM timers (GPTW/MTU3), 12-bit A/D converter with simultaneous sampling across 3 units (30 channels), and on-chip HRPWM with 195 ps timing resolution. It supports CAN 2.0B, full-speed USB 2.0, and IEC60730 safety functions.

For engineers reviewing the R5F566NDDGLK#20 datasheet, R5F566NDDGLK#20 pinout, R5F566NDDGLK#20 application, or R5F566NDDGLK#20 equivalent, key selection considerations include its 144-pin LFQFP package, 160 MHz real-time PWM timing capability, dual 12-bit D/A outputs usable as comparator references, 6-channel analog comparators, and support for functional safety diagnostics including oscillation-stop detection, RAM test assistance, and CRC acceleration.

Technical Context

The R5F566NDDGLK#20 implements the RXv3 CPU core with single-cycle instruction execution, IEEE 754-compliant FPU, and 111-instruction set including DSP extensions. Its clock system integrates PLL with selectable reference sources (8–24 MHz crystal or 16/18/20 MHz HOCO), enabling precise synchronization of PCLKA (up to 120 MHz), PCLKC (up to 160 MHz for timer reference clocks), and ADCLK (up to 60 MHz).

Motor control execution relies on tightly coupled peripherals: GPTW (10-channel 32-bit PWM with dead-time generation), MTU3d (9-channel 16-bit timer with complementary PWM), HRPWM (4-channel sub-195 ps edge control), and ELC (188-event interlinking without CPU intervention). Safety-critical operation is enabled by TSIP-Lite encryption, CAC clock accuracy monitoring, CRCA hardware CRC, and register write protection.

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.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F566NDDGLK#20, the R5F566NEDGLK#20 offers identical functionality with extended temperature range, while the R5F566NBDGLK#20 reduces memory capacity to lower cost-both maintain full pin compatibility and require no PCB or firmware changes beyond memory map adjustment.

Availability

R5F566NDDGLK#20 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, and renewable energy converters requiring stable component supply, long-term lifecycle support, and guaranteed traceability for safety-critical designs.

Supply support for R5F566NDDGLK#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 delivering trusted embedded solutions for automotive, industrial, infrastructure, and IoT applications, with deep expertise in microcontrollers, analog, power, and connectivity technologies.

The RX66T Group is designed specifically for high-performance motor control and inverter systems, integrating precision PWM, real-time analog acquisition, functional safety features, and robust communication interfaces into a single scalable MCU platform.

FAQ

What is the maximum operating frequency and core architecture of the R5F566NDDGLK#20?

The R5F566NDDGLK#20 operates at a maximum frequency of 160 MHz using the 32-bit RXv3 CPU core with integrated FPU and DSP extensions. It achieves 928 CoreMark performance and supports single-cycle instruction execution, IEEE 754-compliant floating-point operations, and 111 instructions including 23 DSP-specific commands-enabling deterministic real-time motor control loops.

Does the R5F566NDDGLK#20 support functional safety standards like IEC60730?

Yes, the R5F566NDDGLK#20 includes dedicated hardware features for IEC60730 Class B compliance: clock frequency accuracy measurement circuit (CAC), hardware CRC calculator (CRCA), data operation circuit (DOC) for RAM testing, oscillation-stop detection, register write protection, and independent watchdog timer (IWDT). These are documented in the R01DS0315EJ0130 datasheet and supported by Renesas' safety manual.

What PWM capabilities does the R5F566NDDGLK#20 offer for motor control applications?

The R5F566NDDGLK#20 provides three complementary PWM subsystems: 10-channel 32-bit GPTW with dead-time control, 9-channel 16-bit MTU3d for 3-phase complementary output, and 4-channel HRPWM with 195 ps minimum edge resolution. These enable precise gate drive timing, synchronous multi-axis control, and reduced torque ripple-critical for PMSM, BLDC, and induction motor inverters.

How many analog-to-digital converter channels does the R5F566NDDGLK#20 support, and what is their sampling capability?

The R5F566NDDGLK#20 integrates the S12ADH 12-bit A/D converter with 30 total input channels distributed across three units (Unit 0: 8 ch, Unit 1: 8 ch, Unit 2: 14 ch). It supports simultaneous sampling on up to 7 channels, programmable gain amplifiers on 6 channels for pseudo-differential input, and hardware-triggered conversion with minimum 0.9 µs per channel at 60 MHz ADCLK.

What communication interfaces are integrated into the R5F566NDDGLK#20?

The R5F566NDDGLK#20 integrates CAN 2.0B (32 mailboxes), full-speed USB 2.0 host/function/OTG, seven SCI channels (including LIN-capable SCIh), one RIIC bus interface (400 kbps), and one RSPI interface (30 Mbps). All interfaces support event linking via ELC for CPU-free peripheral coordination-ideal for real-time industrial networking and firmware updates.