Renesas R5F526TFDDFP#30

Overview

R5F526TFDDFP#30 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and industrial inverter applications, featuring a 120 MHz CPU core delivering 709 CoreMark, 512 KB on-chip code flash, 64 KB SRAM, 16 KB data flash, CAN FD interface, and integrated high-resolution PWM with 260 ps timing resolution.

For engineers reviewing the R5F526TFDDFP#30 datasheet, R5F526TFDDFP#30 pinout, R5F526TFDDFP#30 application, or R5F526TFDDFP#30 equivalent, key selection criteria include its 100-pin LFQFP package, dual-bank flash for safe firmware updates, simultaneous sampling across three 12-bit A/D units, 3-phase/5-phase complementary PWM support, and IEC60730 safety features for certified motor drives.

Technical Context

The R5F526TFDDFP#30 implements the RXv3 CPU core with single-cycle instruction execution, IEEE 754-compliant single-precision FPU, and collective register bank save for fast context switching-enabling deterministic real-time response in closed-loop motor control. Its clock system integrates PLL, HOCO (16/18/20 MHz), LOCO (240 kHz), and IWDT-dedicated 120 kHz oscillator to decouple peripheral timing from system clock constraints.

Peripheral coordination is managed via Event Link Controller (ELC), which enables 183 internal event signals-including MTU3d timer triggers, GPTWa compare matches, and A/D conversion starts-to initiate module operations without CPU intervention, even during sleep modes. This architecture supports synchronized PWM generation, analog sampling, and fault response within sub-microsecond latency windows.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B - 100-pin Low-Profile Quad Flat Package (LFQFP), 14 mm × 14 mm body, 0.5 mm lead pitch, exposed thermal pad, RoHS compliant.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F526TFDDFP#30, R5F526TADDFP#30 reduces memory and PWM capability for compact applications, while R5F566TEBDFP#30 extends compute, safety, and analog resources for demanding industrial automation-making the R5F526TFDDFP#30 the optimal balance of precision motor control features, safety compliance, and 100-pin I/O scalability.

Availability

R5F526TFDDFP#30 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, automotive auxiliary systems, and PLC motion control applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for R5F526TFDDFP#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, power, and SoC solutions for automotive, industrial, and IoT markets.

The RX26T Group-including R5F526TFDDFP#30-is engineered specifically for high-efficiency motor control, integrating precision PWM, synchronized analog capture, and safety features to accelerate development of IEC60730-compliant inverters.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526TFDDFP#30?

The R5F526TFDDFP#30 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark performance. This benchmark reflects its RXv3 CPU core's efficient pipeline, single-cycle instruction execution, and integrated 32-bit multiplier/divider-enabling real-time motor control loops with minimal latency. The R5F526TFDDFP#30 sustains this performance across its full temperature range (–40°C to +85°C) with no wait states on code flash or SRAM access.

Does the R5F526TFDDFP#30 support CAN FD, and what standard does it comply with?

Yes, the R5F526TFDDFP#30 integrates a CAN FD module compliant with ISO11898-1:2015 for both standard and extended frames. It supports data rates up to 5 Mbps in the data phase and includes hardware message filtering, FIFO buffering, and error counters-enabling robust communication in distributed motor control networks. The R5F526TFDDFP#30's CAN FD implementation is fully integrated into its ELC system for event-triggered transmission without CPU intervention.

How many A/D converter channels does the R5F526TFDDFP#30 have, and what sampling capability does it offer?

The R5F526TFDDFP#30 includes three 12-bit A/D units (S12ADH): two with 4-channel sample-and-hold capability (Units 0 and 1) and one with 14 channels (Unit 2), totaling 22 configurable inputs. It supports simultaneous triggering across all units with <1 µs inter-channel skew, enabling precise phase-current and bus-voltage acquisition in a single PWM period. The R5F526TFDDFP#30 achieves 0.9 µs minimum conversion time per channel when ADCLK runs at 60 MHz.

What PWM resolution and channel count does the R5F526TFDDFP#30 provide for motor control?

The R5F526TFDDFP#30 delivers 32-bit GPTWa timers (8 channels) and 4-channel HRPWM with 260 ps minimum timing resolution at 120 MHz-enabling nanosecond-level dead-time control critical for SiC/GaN inverters. It supports single-phase (10 outputs), 3-phase (3 outputs), and 5-phase (2 outputs) complementary PWM modes with automatic dead-time insertion and synchronous counter clearing. The R5F526TFDDFP#30's PWM subsystem is tightly coupled with ELC and A/D triggers for deterministic commutation timing.

Is the R5F526TFDDFP#30 qualified for IEC60730 safety compliance, and which hardware features support it?

Yes, the R5F526TFDDFP#30 includes dedicated hardware for IEC60730 Class B compliance: oscillation-stop detection, RAM test assist (DOC), CRC calculator (CRCA), register write protection, and self-diagnostic A/D functions. These features reduce software certification effort by offloading critical safety checks to silicon. The R5F526TFDDFP#30 also supports Trusted Memory (TM) to protect firmware integrity-ensuring that only authenticated code executes in safety-critical motor control applications.