Renesas R5F524T8ADFP#30

Overview

R5F524T8ADFP#30 from Renesas is a 32-bit RXv2 microcontroller optimized for motor control and industrial inverter applications, featuring an 80-MHz CPU core, on-chip FPU (IEEE 754 compliant), 128-Kbyte code flash, 16-Kbyte SRAM, and integrated 12-bit ADC with 3-channel synchronous sample-and-hold for precise current sensing. It supports three-phase complementary PWM generation via MTU3 and GPT timers, CAN 2.0B interface, and IEC60730 safety support.

For engineers reviewing the R5F524T8ADFP#30 datasheet, R5F524T8ADFP#30 pinout, R5F524T8ADFP#30 application, or R5F524T8ADFP#30 equivalent, this MCU delivers deterministic real-time motor control with hardware-accelerated PWM dead-time management, analog signal conditioning for shunt-based current feedback, and robust system-level diagnostics including RAM test assistance, clock accuracy monitoring, and ADC self-test - critical for Class B appliance and industrial drive certification.

Technical Context

The R5F524T8ADFP#30 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions enabling 153.6 DMIPS at 80 MHz. Its FPU supports single-precision floating-point arithmetic per IEEE 754, and the divider executes in as few as two CPU cycles. The MPU enforces memory access protection across eight configurable regions.

Timing subsystems include MTU3 (9×16-bit channels) and GPT (4×16-bit channels), both synchronized to PCLKA at up to 80 MHz, enabling simultaneous three-phase PWM output with automatic dead-time insertion and phase counting. The S12ADF ADC operates at 40 MHz ADCLK, achieving 1.0 µs minimum conversion time per channel with programmable sampling timing and group-scan priority control.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin LFQFP, 14 mm × 14 mm, 0.5 mm pitch, lead-free, operating temperature –40°C to +85°C.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F524T8ADFP#30, R5F524TAADFP#30 offers more flash for larger control algorithms but omits POE3A and full MTU3 feature set; STM32G474RET6 delivers higher raw MIPS and richer peripheral count but lacks integrated motor-control accelerators like synchronous S/H and hardware dead-time compensation - increasing firmware validation burden for IEC60730 Class B.

Availability

R5F524T8ADFP#30 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, and power tool controllers requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for IEC60730-certified designs.

Supply support for R5F524T8ADFP#30 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 automotive, industrial, and IoT markets, with over 40 years of embedded systems expertise.

The RX24T Group, including R5F524T8ADFP#30, was designed specifically for high-efficiency motor control in cost-sensitive industrial and consumer inverters - integrating precision analog, deterministic PWM, and functional safety features into a single 5-V MCU platform.

FAQ

What is the maximum ADC sampling rate supported by the R5F524T8ADFP#30?

The R5F524T8ADFP#30's S12ADF ADC achieves a minimum conversion time of 1.0 µs per channel when ADCLK runs at 40 MHz. With group-scan mode and simultaneous sampling across its 3-channel S/H circuit, it supports up to 1 MSPS aggregate throughput for synchronized current sensing - sufficient for 20-kHz PWM carrier frequencies in FOC applications. This rate is fixed by internal timing and does not depend on CPU clock speed.

Does the R5F524T8ADFP#30 include a built-in CAN transceiver?

No, the R5F524T8ADFP#30 integrates only the CAN protocol controller (RSCAN module) compliant with ISO 11898-1. It requires an external CAN physical-layer transceiver (e.g., TJA1042, SN65HVD230) connected to RSCAN_TX and RSCAN_RX pins. The MCU provides 16 message boxes with hardware acceptance filtering and FIFO buffering, but signal level translation and bus termination must be implemented externally.

What safety certifications does the R5F524T8ADFP#30 support out of the box?

The R5F524T8ADFP#30 includes hardware features aligned with IEC60730 Class B requirements: memory protection unit (MPU), CRC calculator, clock frequency accuracy measurement circuit (CAC), independent watchdog timer (IWDT) with dedicated oscillator, ADC self-diagnostic and disconnection detection, and DOC-based RAM test assistance. These reduce certified firmware development effort but require customer validation per Annex H of IEC60730-1.

Can the R5F524T8ADFP#30 generate complementary PWM waveforms with programmable dead time?

Yes, the R5F524T8ADFP#30's MTU3 unit supports complementary PWM output mode with automatic dead-time insertion and adjustable duty cycle (0–100%). Dead time is set via dedicated registers (e.g., TCDR) and compensated using the dead-time compensation counter function. GPT also supports comparator-interlocked PWM negation for additional fault-responsive control - both features are hardware-executed without CPU intervention.

What is the operating voltage range and power supply configuration for the R5F524T8ADFP#30?

The R5F524T8ADFP#30 operates from a single 2.7-V to 5.5-V supply on VCC, with mandatory 4.7-µF ceramic capacitor between VCL and VSS for internal LDO stabilization. It supports 5-V tolerant I/O pins and includes three low-power modes (Sleep, Deep Sleep, Software Standby). Voltage detection circuits (LVD) monitor VCC with selectable thresholds (3–9 levels) to trigger reset or interrupt on brownout conditions.