Renesas R5F524TAADFF#11

Overview

R5F524TAADFF#11 from Renesas is a 32-bit RXv2 core MCU optimized for motor control and industrial inverter applications, operating at up to 80 MHz (153.6 DMIPS), featuring integrated FPU (IEEE754 single-precision), 256 KB on-chip flash, 16 KB SRAM, and 8 KB data flash with 1M erase/write cycles. It delivers three-phase complementary PWM ×2 channels + single-phase complementary ×4 channels via MTU3 and GPT timers, and supports CAN (ISO11898-1) for real-time fieldbus communication in servo drives.

For engineers reviewing the R5F524TAADFF#11 datasheet, R5F524TAADFF#11 pinout, R5F524TAADFF#11 application, or R5F524TAADFF#11 equivalent, this device is selected for high-accuracy timing-critical motor control where simultaneous 3-channel ADC sampling, programmable gain amplification, dead-time compensated PWM, and IEC60730 safety assist functions are required.

Technical Context

The R5F524TAADFF#11 implements an RXv2 CISC Harvard architecture with 5-stage pipeline, variable-length instructions, and on-chip MPU for memory protection. Its clock system integrates PLL (4–12.5 MHz input), main oscillator (1–20 MHz), and dedicated IWDT oscillator (15 kHz), with independent domain clocks: ICLK (80 MHz CPU), PCLKA (80 MHz MTU3/GPT), PCLKB (40 MHz peripherals), and ADCLK (40 MHz S12ADF).

Peripheral integration centers on motor control: MTU3 provides 9×16-bit channels with phase counting, reset-synchronized PWM, automatic dead time, and A/D trigger generation; GPT offers 4×16-bit channels supporting cascaded 32-bit operation, comparator interlocking, and triangle-wave PWM; S12ADF includes 22-channel 12-bit ADC with 3-channel synchronous sample-and-hold, group scan priority, and self-diagnostic functions compliant with IEC60730.

Key Specifications

Pinout & Package

Package: PLQP0080JA-A - 80-pin LQFP, 14 × 14 mm, 0.65 mm pitch, –40 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 R5F524TAADFF#11, R5F524TBADFP#31 provides expanded I/O and peripheral count for multi-axis systems, while R5F524T8ADFF#31 trades memory and analog features for lower unit cost - both retain identical 80 MHz RXv2 core and motor control timer architecture.

Availability

R5F524TAADFF#11 is available at Aetrix Electronics and suitable for industrial servo drives, BLDC motor controllers, and inverter systems requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability under –40 to +85°C ambient conditions.

Supply support for R5F524TAADFF#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 global semiconductor leader specializing in microcontrollers, analog, and power solutions for industrial, automotive, and IoT applications.

The RX24T Group, including R5F524TAADFF#11, was designed specifically for high-performance motor control - integrating precision PWM, synchronized ADC, safety features, and real-time communication to replace discrete analog/motor control IC combinations.

FAQ

What is the maximum operating frequency and core type of the R5F524TAADFF#11?

The R5F524TAADFF#11 operates at a maximum frequency of 80 MHz using the 32-bit RXv2 CPU core, delivering 153.6 DMIPS performance. This core features a 5-stage pipeline, variable-length instructions, and on-chip FPU compliant with IEEE754 single-precision standard - enabling efficient execution of complex motor control algorithms in the R5F524TAADFF#11.

Does the R5F524TAADFF#11 support simultaneous sampling across multiple ADC channels?

Yes, the R5F524TAADFF#11 includes S12ADF Unit 1 with a 3-channel synchronous sample-and-hold circuit, allowing true simultaneous sampling of up to three analog inputs (e.g., motor phase currents). This capability is essential for accurate field-oriented control and is implemented entirely within the R5F524TAADFF#11 without external timing components.

What PWM configurations does the R5F524TAADFF#11 support for inverter gate driving?

The R5F524TAADFF#11 supports three-phase complementary PWM ×2 channels and single-phase complementary PWM ×4 channels via its MTU3 module, plus additional single-phase or three-phase outputs via GPT. All PWM outputs include hardware-configurable dead time (1–1023 ns), reset-synchronized modes, and automatic fault-induced high-Z transitions through POE3b - key features for safe inverter operation in the R5F524TAADFF#11.

Is CAN communication supported on the R5F524TAADFF#11?

No, the R5F524TAADFF#11 does not include the RSCAN CAN module. According to Table 1.2 in the datasheet, CAN support is only available in Chip Version B devices (e.g., R5F524TEADFP#31) and is explicitly omitted in Chip Version A parts like the R5F524TAADFF#11. Engineers requiring CAN must select a Version B variant or verify alternate communication paths (SCI/RSPI) for the R5F524TAADFF#11.

What safety certifications or features does the R5F524TAADFF#11 include for industrial applications?

The R5F524TAADFF#11 integrates multiple IEC60730 Class B compliance features: ADC input disconnection detection, clock frequency accuracy measurement (CAC), memory protection unit (MPU), register write protection, and DOC-assisted RAM testing. These on-chip capabilities reduce external safety component count and simplify certification efforts for the R5F524TAADFF#11 in industrial motor control systems.