Renesas R5F524UBADFB#30

Overview

R5F524UBADFB#30 from Renesas is a 32-bit RXv2 core microcontroller with 256 KB on-chip flash, 32 KB SRAM, and 8 KB data flash, operating at up to 80 MHz (153.6 DMIPS), featuring integrated FPU, 12-bit ADC with 3-channel simultaneous sampling, CAN interface compliant with ISO11898-1, and three-phase complementary PWM for motor control in industrial inverters.

For engineers reviewing the R5F524UBADFB#30 datasheet, R5F524UBADFB#30 pinout, R5F524UBADFB#30 application, or R5F524UBADFB#30 equivalent, key selection criteria include its 144-pin LFQFP package, −40°C to +85°C industrial temperature range, IEC60730 safety support, dual 8-bit DAC outputs usable as comparator references, and MTU3/GPT timer architecture enabling synchronized three-phase PWM generation.

Technical Context

The R5F524UBADFB#30 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions, delivering deterministic real-time performance. It integrates a single-precision IEEE754-compliant FPU, memory protection unit (MPU) with eight configurable regions, and on-chip debugging via FINE interface.

Clock management includes main oscillator (1–20 MHz), PLL (4–12.5 MHz input), and dedicated IWDT oscillator, with independent clock domains for ICLK (80 MHz), PCLKA (80 MHz), PCLKB (40 MHz), PCLKD (40 MHz), and FCLK (32 MHz). Peripheral timing is precisely partitioned: MTU3 and GPT timers run at full 80 MHz, while S12AD ADC operates at 40 MHz ADCLK.

Key Specifications

Pinout & Package

Package: PLQP0144KA-B - 144-pin Low-Profile Quad Flat Package, 20 mm × 20 mm, 0.5 mm pitch, lead-free (Sn only), RoHS compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F524UBADFB#30, R5F524UEADFB#30 offers 2× flash capacity for complex control stacks, while R5F524UBADFP#30 trades I/O count and package size for lower assembly cost - both retain identical timing, safety, and PWM capabilities.

Availability

R5F524UBADFB#30 is available at Aetrix Electronics and suitable for industrial motor drives, smart power supplies, and factory automation controllers requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability under −40°C to +85°C ambient conditions.

Supply support for R5F524UBADFB#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 Japanese semiconductor manufacturer specializing in microcontrollers, analog, and power devices for industrial, automotive, and infrastructure markets.

The RX24U Group, including R5F524UBADFB#30, was designed for cost-sensitive industrial automation and motor control applications requiring functional safety (IEC60730), high-resolution analog acquisition, and deterministic real-time performance at 5 V operation.

FAQ

What is the maximum operating frequency and DMIPS rating of the R5F524UBADFB#30?

The R5F524UBADFB#30 operates at a maximum frequency of 80 MHz and delivers 153.6 DMIPS (Dhrystone MIPS) performance. This is achieved by the RXv2 CPU core with 5-stage pipeline and variable-length instruction set. The R5F524UBADFB#30 maintains this performance across its full industrial temperature range (−40°C to +85°C) with no derating required under 2.7–5.5 V supply.

Does the R5F524UBADFB#30 support IEC60730 Class B compliance?

Yes, the R5F524UBADFB#30 includes hardware-assisted self-test features required for IEC60730 Class B, including ADC diagnostic mode, clock frequency accuracy measurement (CAC), independent watchdog timer (IWDT) with dedicated oscillator, RAM test support via Data Operation Circuit (DOC), and analog input disconnection detection. These features are documented in the R01DS0278EJ0100 datasheet and reduce external component count for certification.

What ADC capabilities does the R5F524UBADFB#30 provide for motor current sensing?

The R5F524UBADFB#30 integrates three 12-bit S12ADF units with 22 total channels. Unit 1 supports true 3-channel simultaneous sampling using internal sample-and-hold circuits - essential for accurate 3-shunt current reconstruction in PMSM/BLDC motor control. Each channel supports programmable sampling time, group scan priority, and PGA gain (up to 13.33×), enabling direct connection to low-level current sense resistors without external amplification.

Can the R5F524UBADFB#30 generate three-phase complementary PWM waveforms?

Yes, the R5F524UBADFB#30 supports hardware-generated three-phase complementary PWM via its MTU3 unit, which provides two independent 3-phase PWM outputs (each with automatic dead time insertion and adjustable duty cycle from 0% to 100%). The GPT unit adds four additional PWM channels, configurable for single-phase complementary or extended 3-phase output. This capability is validated in the R01DS0278EJ0100 datasheet Section 1.1 and enables direct gate driver control in inverter stages.

What package type and pin count does the R5F524UBADFB#30 use?

The R5F524UBADFB#30 uses the PLQP0144KA-B package: a 144-pin Low-Profile Quad Flat Package with 20 mm × 20 mm body size and 0.5 mm pitch. It provides 111 general-purpose I/O pins, all 5-V tolerant, with configurable pull-up, open-drain, and drive strength settings. This package is RoHS compliant and uses Sn-only surface finish, as confirmed in Renesas document R01DS0278EJ0100 Table 1.3.