Renesas R5F524UBAGFP#30

Overview

R5F524UBAGFP#30 from Renesas Electronics is a 32-bit RXv2 core microcontroller operating at up to 80 MHz (153.6 DMIPS), featuring on-chip 256 KB flash, 32 KB SRAM, 8 KB data flash, IEEE 754-compliant FPU, and integrated CAN, RSPI, SCI, I²C, and 12-bit ADC with 3-channel simultaneous sampling. It targets industrial motor control and power conversion systems requiring deterministic real-time response and functional safety support.

For engineers reviewing the R5F524UBAGFP#30 datasheet, R5F524UBAGFP#30 pinout, R5F524UBAGFP#30 application, or R5F524UBAGFP#30 equivalent, key selection criteria include its 100-pin LFQFP package, 256 KB flash capacity, three-phase complementary PWM capability across MTU3 and GPT timers, IEC60730 self-test features, and 5-V tolerant I/O for robust industrial interfacing.

Technical Context

The R5F524UBAGFP#30 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions-enabling ultra-compact code and single-cycle instruction execution. Its memory protection unit (MPU) supports eight configurable regions with 16-byte granularity, while the on-chip FPU delivers IEEE 754 single-precision floating-point operations essential for motor vector control algorithms.

Timing subsystems include dual clock domains: ICLK at 80 MHz for CPU and bus masters, and PCLKA/PCLKB at 80/40 MHz for peripherals. The MTU3 timer provides nine 16-bit channels with hardware dead-time insertion and phase counting modes, and the GPT supports cascaded 32-bit operation and comparator interlocking for precise PWM waveform generation in inverter gate drive applications.

Key Specifications

Pinout & Package

Package: 100-pin LFQFP (PLQP0100KB-B), 14 × 14 mm, 0.5 mm pitch, lead-free (Sn only), −40 to +85°C operating range.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 32-bit industrial MCU applications.

Compared with R5F524UBAGFP#30, R5F524UEADFP#30 offers double flash capacity without layout changes, while R5F523T7ADFP#30 trades CPU performance for enhanced analog signal conditioning-making the former ideal for feature-rich field devices and the latter for compact, sensor-heavy edge nodes.

Availability

R5F524UBAGFP#30 is available at Aetrix Electronics and suitable for industrial motor drives, smart power supplies, and factory automation nodes requiring stable component supply, long-term lifecycle assurance, and traceable sourcing for IEC61508/UL61800-3 compliance.

Supply support for R5F524UBAGFP#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.

The RX24U Group-including R5F524UBAGFP#30-is designed specifically for real-time industrial control applications demanding high computational throughput, functional safety features, and rich analog/motor control peripherals in compact packages.

FAQ

What is the maximum operating frequency and CPU performance of the R5F524UBAGFP#30?

The R5F524UBAGFP#30 operates at a maximum frequency of 80 MHz using its RXv2 32-bit CPU core, delivering 153.6 DMIPS of processing performance. This enables deterministic execution of complex motor control algorithms such as field-oriented control (FOC) and space-vector modulation within tight timing budgets. The R5F524UBAGFP#30 achieves this performance with zero-wait-state access to 32 KB SRAM and efficient instruction pipelining.

Does the R5F524UBAGFP#30 support functional safety standards like IEC60730?

Yes, the R5F524UBAGFP#30 integrates multiple hardware-assisted features for IEC60730 Class B compliance, including self-diagnostic functions for RAM (via DOC), ADC (input disconnection detection), clock accuracy (CAC), and independent watchdog timer (IWDT). These capabilities reduce software validation effort and support certification of household and industrial appliances. The R5F524UBAGFP#30 also includes MPU and register write protection to enforce safe memory access patterns.

What PWM and timer resources does the R5F524UBAGFP#30 provide for motor control?

The R5F524UBAGFP#30 includes MTU3 (nine 16-bit channels) and GPT (four 16-bit channels) supporting three-phase complementary PWM with automatic dead-time insertion, phase counting, and A/D trigger synchronization. MTU3 enables two independent three-phase inverter outputs, while GPT adds four single-phase complementary channels or one additional three-phase set. These resources allow the R5F524UBAGFP#30 to drive dual-motor systems or implement advanced modulation schemes without external timers.

How much on-chip memory does the R5F524UBAGFP#30 include, and what are its characteristics?

The R5F524UBAGFP#30 integrates 256 KB of on-chip code flash memory (with 32 MHz zero-wait access), 32 KB of SRAM (no wait states at 80 MHz), and 8 KB of data flash rated for 1 million erase/write cycles. The data flash supports background operation (BGO), allowing firmware updates or parameter logging during active control tasks. All memory blocks are protected by the R5F524UBAGFP#30's MPU and register write protection to prevent unintended corruption.

What communication interfaces are available on the R5F524UBAGFP#30?

The R5F524UBAGFP#30 provides CAN (ISO11898-1, 16 message boxes), RSPI (20 Mbps), six SCI channels (supporting UART, SPI, I²C, and smart card modes), one RIIC interface (400 kbps SMBus-compatible), and dedicated debug interface (FINE). These interfaces enable robust fieldbus connectivity, sensor fusion, and host communication in industrial environments. The R5F524UBAGFP#30's multi-protocol SCI and flexible pin remapping via MPC simplify board design across diverse system architectures.