Renesas R5F572MDHGBD#20

Overview

R5F572MDHGBD#20 from Renesas is a 32-bit RXv3 microcontroller operating at up to 240 MHz, featuring double-precision IEEE-754 FPU, 4 MB on-chip code flash, 1 MB SRAM (including 32 KB ECC RAM), EtherCAT slave controller with two ports, and IEEE 1588-compliant Ethernet MAC - deployed in industrial motion control systems requiring deterministic real-time communication and high-precision motor timing.

For engineers reviewing the R5F572MDHGBD#20 datasheet, R5F572MDHGBD#20 pinout, R5F572MDHGBD#20 application, or R5F572MDHGBD#20 equivalent, key selection criteria include EtherCAT slave capability, dual-bank flash for safe firmware updates, 240-MHz real-time execution, integrated trigonometric unit (TFU) for servo loop computation, and 182 GPIOs with 5-V tolerance for industrial I/O interfacing.

Technical Context

The R5F572MDHGBD#20 implements the RXv3 CPU core with 16 general-purpose 32-bit registers, double-precision FPU (16 × 64-bit data registers), and collective register bank save for fast context switching. It integrates dedicated hardware accelerators including TFU for sine/cosine/arctangent and DSMIF supporting six external delta-sigma modulators for high-resolution current sensing.

Its clock architecture separates system (ICLK ≤ 240 MHz), peripheral (PCLKA ≤ 120 MHz), and real-time (RTC, IWDT) domains, enabling concurrent high-speed computation, time-critical I/O control, and low-power background operation. The ELC (Event Link Controller) enables direct hardware interconnection between peripherals - e.g., TPU capture events triggering A/D conversion without CPU intervention.

Key Specifications

Pinout & Package

LFBGA-176 package (PLQP0176KB-C, 24×24 mm, 0.5-mm pitch) with 136 general-purpose I/O pins, 19 of which are 5-V tolerant. Power domains include VCC/AVCC0/AVCC1 (2.7–3.6 V), VBATT (RTC backup), and multiple ground pins distributed for noise suppression.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F572MDHGBD#20, the #30 variant offers identical functionality in reel format for production efficiency, while the R5F572NDDHGBD#20 sacrifices EtherCAT and half the flash to reduce cost - making it viable only where deterministic industrial Ethernet is not required.

Availability

R5F572MDHGBD#20 is available at Aetrix Electronics and suitable for industrial servo drives, EtherCAT-enabled PLCs, robotics motion controllers, and graphics-capable HMIs requiring stable component supply across extended product lifecycles.

Supply support for R5F572MDHGBD#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for automotive, industrial, and IoT markets.

The RX72M Group targets industrial automation applications demanding real-time determinism, functional safety, and integrated industrial networking - specifically engineered for EtherCAT slave, motion control, and human-machine interface subsystems.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F572MDHGBD#20?

The R5F572MDHGBD#20 operates at a maximum frequency of 240 MHz and achieves 1396 CoreMark points under benchmark conditions. This performance stems from the RXv3 CPU core's efficient pipeline, double-precision FPU, and on-chip memory subsystem optimized for zero-wait access up to 120 MHz - enabling deterministic execution in hard real-time industrial applications.

Does the R5F572MDHGBD#20 include an EtherCAT slave controller, and what does that enable?

Yes, the R5F572MDHGBD#20 integrates a Beckhoff-certified EtherCAT slave controller (ESC) with two physical ports. This enables direct implementation of EtherCAT slave nodes in servo drives and I/O modules without external ASICs, supporting daisy-chain topologies, sub-microsecond jitter, and synchronized distributed clocks - essential for coordinated multi-axis motion control.

What memory resources does the R5F572MDHGBD#20 provide, and how are they allocated?

The R5F572MDHGBD#20 provides 4 MB of dual-bank code flash (for safe firmware updates), 1 MB of SRAM (512 KB no-wait ≤120 MHz), 32 KB of ECC RAM (SEC-DED protected), and 8 KB of battery-backed standby RAM. This allocation supports real-time task execution, safety-critical data integrity, and persistent RTC operation - all critical in industrial control environments.

How many GPIOs does the R5F572MDHGBD#20 offer, and what I/O features are supported?

The R5F572MDHGBD#20 offers 136 general-purpose I/O pins in its LFBGA-176 package, with 19 pins rated for 5-V tolerance. All GPIOs support programmable pull-up resistors, open-drain output, and configurable drive strength - allowing direct interfacing with industrial sensors, actuators, and legacy 5-V logic without level-shifting components.

What industrial safety standards does the R5F572MDHGBD#20 support out of the box?

The R5F572MDHGBD#20 includes built-in features for IEC60730 Class B compliance: oscillation-stop detection, CRC calculation unit (CRCA), independent watchdog timer (IWDTa), self-diagnostic A/D converter test, and register write protection. These capabilities reduce certification effort for household appliances and industrial equipment requiring functional safety validation.