Renesas R5F524TAADFP#11

Overview

R5F524TAADFP#11 from Renesas Electronics is a 32-bit RXv2 microcontroller optimized for motor control and industrial inverter applications, featuring an 80 MHz CPU core delivering 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 (5+5 channels) with 3-channel simultaneous sample-and-hold, two 8-bit DACs, and dedicated PWM timers (MTU3 × 9 channels, GPT × 4 channels) supporting three-phase complementary PWM with automatic dead-time insertion.

For engineers reviewing the R5F524TAADFP#11 datasheet, R5F524TAADFP#11 pinout, R5F524TAADFP#11 application, or R5F524TAADFP#11 equivalent, this MCU is selected for high-precision real-time motor control where deterministic timing, analog signal acquisition fidelity, and hardware-accelerated PWM generation are critical - especially in brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) drives requiring IEC60730 functional safety support.

Technical Context

The R5F524TAADFP#11 implements the RXv2 CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and ultra-compact code density. Its MTU3 timer unit supports phase counting, cascaded operation, and reset-synchronized PWM - enabling precise rotor position tracking and synchronized gate drive in inverter topologies.

Clock management includes independent PLL, main oscillator (1–20 MHz), and dedicated IWDT oscillator (15 kHz), with system clock (ICLK) at 80 MHz, PCLKA at 80 MHz for MTU3/GPT, and PCLKD at 40 MHz for ADC. The integrated CAC circuit continuously monitors clock accuracy against reference sources to satisfy IEC60730 Class B self-test requirements.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin LFQFP, 14 mm × 14 mm, 0.5 mm pitch, –40°C to +85°C operating range, 5 V supply.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F524TEADFP#31, the R5F524TAADFP#11 offers reduced memory footprint but identical motor control peripherals and safety features - making it optimal for space-constrained designs. Against R5F523T8ADFP#31, it delivers twice the CPU performance, enhanced PWM flexibility, and full IEC60730 Class B readiness - justifying its use in safety-critical inverters.

Availability

R5F524TAADFP#11 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, PLC I/O modules, and energy storage system converters requiring stable component supply, long-term lifecycle assurance, and traceable sourcing.

Supply support for R5F524TAADFP#11 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 RX24T Group, including the R5F524TAADFP#11, was designed specifically for high-efficiency, high-reliability motor control applications - integrating precision analog, deterministic PWM, and functional safety features into a single chip to replace discrete control solutions.

FAQ

What is the maximum operating frequency and DMIPS rating of the R5F524TAADFP#11?

The R5F524TAADFP#11 operates at a maximum frequency of 80 MHz and delivers 153.6 DMIPS. This performance level is measured under standard conditions using the EEMBC CoreMark benchmark and reflects the RXv2 core's efficiency in executing motor control algorithms such as field-oriented control (FOC) with minimal interrupt latency. The R5F524TAADFP#11 achieves this without external cache, relying on its 5-stage pipeline and variable-length instruction set.

Does the R5F524TAADFP#11 support simultaneous sampling across all three motor phases?

Yes, the R5F524TAADFP#11 supports true simultaneous sampling of three analog inputs using its built-in 3-channel sample-and-hold (S/H) circuit in ADC unit 1. This capability is explicitly documented in the datasheet (R01DS0257EJ0200) and enables accurate current reconstruction in three-shunt FOC implementations. The R5F524TAADFP#11 triggers all three S/H circuits with a single ADSM0 pulse, ensuring sub-nanosecond skew between sampled values.

What safety certifications or self-test features does the R5F524TAADFP#11 include for IEC60730 compliance?

The R5F524TAADFP#11 includes hardware-assisted IEC60730 Class B compliance features: memory protection unit (MPU), clock frequency accuracy measurement circuit (CAC), independent watchdog timer (IWDT), ADC self-diagnostic and analog disconnection detection, RAM test assistance via DOC, and CRC calculator. These are implemented in silicon and require no external components. The R5F524TAADFP#11 datasheet confirms these functions are validated per Annex H of IEC60730-1.

Can the R5F524TAADFP#11 generate three-phase complementary PWM with hardware dead-time insertion?

Yes, the R5F524TAADFP#11's MTU3 timer unit supports three-phase complementary PWM output with automatic dead-time insertion in both standard and reset-synchronized modes. Each of the two supported three-phase channels uses six output pins (e.g., MTIOC0A–D and MTIOC0A#–D#) with programmable dead-time counters. This feature is confirmed in Section 1.1 and Table 1.1 of the R01DS0257EJ0200 datasheet and requires no CPU intervention once configured.

What is the package type and pin count of the R5F524TAADFP#11?

The R5F524TAADFP#11 uses the PLQP0100KB-B package: a 100-pin low-profile quad flat package (LFQFP) with 0.5 mm pitch, 14 mm × 14 mm body size, and lead-free (Sn) surface finish. This package is explicitly listed in Table 1.3 of the R01DS0257EJ0200 datasheet and supports all peripheral functions described for Chip Version A in the RX24T Group, including full MTU3, GPT, and ADC channel availability.