Renesas R5F524TAADFP#31

Overview

R5F524TAADFP#31 from Renesas is a 32-bit RXv2 microcontroller optimized for motor control and industrial inverter applications, featuring an 80 MHz CPU core (153.6 DMIPS), on-chip FPU compliant with IEEE754, 256 KB flash, 16 KB SRAM, and 8 KB data flash. It integrates dual 12-bit ADC units with 3-channel simultaneous sample-and-hold, three-phase complementary PWM ×2 channels via MTU3, and CAN 2.0B interface compliant with ISO11898-1.

For engineers reviewing the R5F524TAADFP#31 datasheet, R5F524TAADFP#31 pinout, R5F524TAADFP#31 application, or R5F524TAADFP#31 equivalent, key selection criteria include its chip version A configuration (16 KB RAM, no POE3b support), 100-pin LFQFP 0.5 mm pitch package, IEC60730 safety features, and dedicated motor timing peripherals including MTU3 dead-time compensation and GPT-based three-phase PWM generation.

Technical Context

The R5F524TAADFP#31 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions enabling ultra-compact code. Its timing subsystem centers on two synchronized clock domains: ICLK at up to 80 MHz for CPU/system bus, and PCLKA at 80 MHz for MTU3/GPT modules - critical for deterministic PWM and ADC triggering.

Motor control execution relies on hardware-accelerated peripherals: MTU3 provides nine 16-bit timer channels with complementary PWM output, automatic dead-time insertion, and A/D start triggers; GPT delivers four 16-bit channels supporting cascaded 32-bit operation and comparator-interlocked PWM negate control - both tightly coupled to the 12-bit S12ADF ADC with group-scan priority and programmable gain amplifiers.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin Low-Profile Quad Flat Package, 14 mm × 14 mm body, 0.5 mm pitch, lead-free (Sn only), operating temperature –40°C to +85°C.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F524TAADFP#31, R5F524TEADFP#31 offers greater memory headroom and expanded fault-handling capability but increases BOM cost, while R5F523T7ADFP#31 reduces computational capability and peripheral count - making R5F524TAADFP#31 the optimal balance of IEC60730-ready motor control features, 80 MHz determinism, and production scalability.

Availability

R5F524TAADFP#31 is available at Aetrix Electronics and suitable for industrial motor drives, inverter-based HVAC systems, and home appliance control applications requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F524TAADFP#31 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 automotive, industrial, and IoT markets.

The RX24T Group, including R5F524TAADFP#31, was designed specifically for high-performance, safety-certifiable motor control in industrial inverters and appliances - integrating precision timing, analog signal chain, and functional safety features on a single die.

FAQ

What is the maximum operating frequency and CPU performance of the R5F524TAADFP#31?

The R5F524TAADFP#31 operates at a maximum frequency of 80 MHz using its RXv2 CPU core, delivering 153.6 DMIPS of processing performance. This enables real-time execution of complex motor control algorithms such as field-oriented control (FOC) and sensorless rotor position estimation within tight timing constraints. The core includes a single-precision FPU compliant with IEEE754, accelerating floating-point math required for trigonometric and matrix operations in the R5F524TAADFP#31.

Does the R5F524TAADFP#31 support IEC60730 functional safety compliance?

Yes, the R5F524TAADFP#31 includes multiple hardware features to support IEC60730 Class B compliance: memory protection unit (MPU), register write protection, clock frequency accuracy measurement circuit (CAC), independent watchdog timer (IWDT) with dedicated oscillator, data operation circuit (DOC), CRC calculator, and ADC self-diagnostic functions. These capabilities reduce external component dependency and simplify certification - all documented in the R5F524TAADFP#31 hardware manual and safety manual.

What ADC and PWM capabilities does the R5F524TAADFP#31 offer for motor control?

The R5F524TAADFP#31 integrates a 12-bit S12ADF ADC with three independent units (5/5/12 channels), including 3-channel simultaneous sample-and-hold in unit 1 - essential for three-phase current sensing. Its MTU3 unit provides nine 16-bit timer channels supporting three-phase complementary PWM ×2 channels with automatic dead-time insertion, while GPT adds four more channels for auxiliary control. This combination enables precise, hardware-synchronized motor control in the R5F524TAADFP#31.

What package type and pin count does the R5F524TAADFP#31 use?

The R5F524TAADFP#31 uses the PLQP0100KB-B package: a 100-pin Low-Profile Quad Flat Package with 14 mm × 14 mm body size and 0.5 mm pin pitch. It is lead-free (Sn only) and rated for operation from –40°C to +85°C. This package provides full access to all MTU3, GPT, ADC, and communication peripherals specified for chip version A, as confirmed in the R5F524TAADFP#31 datasheet revision 2.00.

Which communication interfaces are integrated into the R5F524TAADFP#31?

The R5F524TAADFP#31 integrates CAN 2.0B (1 channel, 16 message boxes), three SCI channels supporting asynchronous, clock-synchronous, simple SPI, and simple I²C modes, one RIIC channel (I²C/SMBus, up to 400 kbps), and one RSPI channel (SPI master/slave, up to 20 Mbps). These interfaces enable robust connectivity for motor feedback, host communication, and sensor interfacing - all natively supported in the R5F524TAADFP#31 without external transceivers or level shifters.