Renesas R5F526TFADFP#10

Overview

R5F526TFADFP#10 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 memory with dual-bank structure, 64 KB SRAM, 16 KB data flash (100,000 write/erase cycles), and integrated CAN FD interface compliant with ISO 11898-1:2015. It supports simultaneous sampling across three 12-bit A/D converter units and drives 3-phase, 5-phase, and single-phase complementary PWM waveforms.

For engineers reviewing the R5F526TFADFP#10 datasheet, R5F526TFADFP#10 pinout, R5F526TFADFP#10 application, or R5F526TFADFP#10 equivalent, key selection considerations include its 120 MHz GPTWa timer with 260 ps HRPWM resolution, IEC60730-compliant safety features (MPU, IWDT, oscillation-stop detection, CRC, RAM test assist), and support for Trusted Secure IP Lite encryption (AES-128/256, TRNG).

Technical Context

The R5F526TFADFP#10 implements the RXv3 CPU core with single-cycle instruction execution, 16 general-purpose 32-bit registers, and IEEE 754-compliant single-precision FPU. Its clock system integrates an 8–24 MHz external crystal oscillator, internal 240 kHz LOCO and selectable 16/18/20 MHz HOCO, and PLL for 120 MHz system clock generation.

Peripheral timing is segmented across four clock domains: ICLK (up to 120 MHz for CPU), PCLKA (up to 120 MHz for MTU/GPTW/CANFD), PCLKB (up to 60 MHz for SCI/RSCI/RIIC), and PCLKC (up to 120 MHz for HRPWM counter reference). The ELC enables interrupt-free inter-module event linking - e.g., MTU trigger initiating A/D conversion without CPU intervention.

Key Specifications

Pinout & Package

Package: PLQP0100KB-B (100-pin LFQFP, 14 × 14 mm, 0.5 mm pitch). Pin count and I/O configuration match the 100-pin variant of the RX26T Group: 82 general-purpose I/O pins, 1 dedicated input pin, 82 pull-up resistors, 82 open-drain outputs, 2 pins 5-V tolerant, 15 high-current output pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F526TFADFP#10, R5F526TAAFP#10 reduces pin count and analog integration for space-constrained cost targets, while R5F566TEADFP#10 extends real-time capability and safety scope for premium industrial systems - neither is pin-compatible, requiring PCB redesign.

Availability

R5F526TFADFP#10 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, automotive auxiliary systems, and PLC I/O modules requiring stable component supply, long-term lifecycle support, and traceable sourcing.

Supply support for R5F526TFADFP#10 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 industrial, automotive, and infrastructure markets.

The RX26T Group, including R5F526TFADFP#10, was designed specifically for high-efficiency motor control in inverters and industrial drives - integrating precision PWM, multi-unit A/D, CAN FD, and IEC60730 safety features in a single chip.

FAQ

What is the maximum operating frequency and CoreMark score of the R5F526TFADFP#10?

The R5F526TFADFP#10 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark. This performance stems from the RXv3 CPU core's single-cycle instruction execution, 16 general-purpose 32-bit registers, and optimized pipeline - validated under benchmark conditions specified in the R01DS0407EJ0120 datasheet Rev.1.20.

Does the R5F526TFADFP#10 support CAN FD, and which ISO standard does it comply with?

Yes, the R5F526TFADFP#10 includes one CAN FD module compliant with ISO 11898-1:2015, supporting both standard and extended frames at data rates up to 5 Mbps. This enables high-bandwidth diagnostics and control messaging in modern motor drive networks without protocol translation.

How many A/D converter channels does the R5F526TFADFP#10 support, and what is their architecture?

The R5F526TFADFP#10 supports 22 total A/D channels across three 12-bit S12ADH units: Unit 0 (4 channels), Unit 1 (4 channels), and Unit 2 (14 channels), all with sample-and-hold capability. Units 0 and 1 each include three dedicated sample-and-hold circuits, enabling true simultaneous sampling for multi-axis current sensing.

What is the resolution and timing capability of the HRPWM in the R5F526TFADFP#10?

The HRPWM in the R5F526TFADFP#10 achieves a minimum timing resolution of 260 ps when operating at 120 MHz. This is realized by controlling the rising/falling edges of GPTWa-generated PWM waveforms - critical for minimizing dead-time uncertainty in high-frequency SiC/GaN inverter gate drivers.

Which safety certifications and built-in functions does the R5F526TFADFP#10 support for IEC60730 compliance?

The R5F526TFADFP#10 supports IEC60730 Class B compliance through integrated features including oscillation-stop detection, independent watchdog timer (IWDT) with dedicated 120 kHz oscillator, CRC calculator (CRCA), memory protection unit (MPU), register write protection, and DOC-assisted RAM test - all documented in the R01DS0407EJ0120 datasheet.