Renesas R5F524TAADFN#11

Overview

R5F524TAADFN#11 from Renesas Electronics is a 32-bit RXv2 core microcontroller optimized for motor control and industrial inverter applications, operating at up to 80 MHz (153.6 DMIPS), featuring integrated FPU (IEEE 754 single-precision), 256 KB on-chip flash, 16 KB SRAM, and 8 KB data flash with 1M erase/write cycles. It integrates dual 12-bit ADC units (5+5 channels) with 3-channel simultaneous sample-and-hold, programmable gain amplifiers, and two 8-bit DACs for comparator reference generation.

For engineers reviewing the R5F524TAADFN#11 datasheet, R5F524TAADFN#11 pinout, R5F524TAADFN#11 application, or R5F524TAADFN#11 equivalent, this MCU delivers deterministic real-time PWM timing (MTU3/GPT), IEC60730-compliant safety features (self-diagnostic ADC, CAC, IWDT), CAN 2.0B interface, and flexible peripheral routing via MPC - critical for servo drives, HVAC blowers, and industrial PLC I/O modules.

Technical Context

The R5F524TAADFN#11 implements the RXv2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions, enabling 1-instruction-per-cycle execution at 80 MHz. Its memory protection unit (MPU) supports eight configurable regions (min. 16-byte granularity), while the on-chip FPU provides IEEE 754-compliant single-precision arithmetic for motor vector calculations without software emulation overhead.

Timing subsystems include MTU3 (9×16-bit channels) supporting three-phase complementary PWM with automatic dead-time insertion and phase counting, plus GPT (4×16-bit channels) for cascaded 32-bit timers and synchronized PWM generation. The ADC subsystem uses PCLKD at 40 MHz for 1.0 µs minimum conversion time per channel, with group-scan priority control across three independent units.

Key Specifications

Pinout & Package

Package: 80-pin LFQFP (PLQP0080KB-B), 12×12 mm body, 0.5 mm pitch, exposed pad not specified, RoHS-compliant lead-free finish.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F524TAADFN#11, R5F524TBADFP#31 adds CAN and RAM headroom at the cost of larger footprint and higher BOM cost, while R5F524T8ADFN#31 reduces memory and peripheral count to lower unit cost - making R5F524TAADFN#11 the optimal balance of integrated motor control features, safety compliance, and compact 80-pin packaging.

Availability

R5F524TAADFN#11 is available at Aetrix Electronics and suitable for industrial motor drives, HVAC blower systems, and programmable logic controller I/O modules requiring stable component supply, long-term lifecycle support, and traceable sourcing for production ramp.

Supply support for R5F524TAADFN#11 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 industrial, automotive, and IoT markets.

The RX24T Group, including R5F524TAADFN#11, was designed specifically for high-performance motor control and inverter applications, integrating precision PWM, safety-certified peripherals, and real-time processing capabilities in a single-chip solution.

FAQ

What is the maximum operating frequency and core type of the R5F524TAADFN#11?

The R5F524TAADFN#11 features a 32-bit RXv2 CPU core with a maximum operating frequency of 80 MHz, delivering 153.6 DMIPS performance. It uses a Harvard architecture with a 5-stage pipeline and variable-length instruction set, enabling one-instruction-per-clock execution for deterministic real-time control loops essential in motor drive applications.

Does the R5F524TAADFN#11 include a floating-point unit (FPU), and what standard does it comply with?

Yes, the R5F524TAADFN#11 includes an on-chip single-precision floating-point unit compliant with the IEEE 754 standard. This FPU accelerates mathematical operations such as trigonometric functions and matrix transformations used in field-oriented control algorithms, eliminating the need for software-emulated floating-point libraries and reducing computational latency.

What ADC capabilities does the R5F524TAADFN#11 provide, and how many channels support simultaneous sampling?

The R5F524TAADFN#11 integrates three 12-bit ADC units totaling 22 channels: two units with 5 channels each and one with 12 channels. Unit 1 includes a 3-channel simultaneous sample-and-hold circuit, enabling synchronized current sensing across motor phases with no inter-channel timing skew - critical for accurate vector control.

Is the R5F524TAADFN#11 supported for IEC60730 functional safety compliance, and which features assist this?

Yes, the R5F524TAADFN#11 includes multiple IEC60730 Class B support features: self-diagnostic ADC, analog input disconnection detection, clock frequency accuracy measurement circuit (CAC), independent watchdog timer (IWDT) with dedicated oscillator, and RAM test assistance using the data operation circuit (DOC). These are documented in Renesas' functional safety manual R01UL0076EJ0200.

What is the package type and pin count of the R5F524TAADFN#11, and is it pin-compatible with other RX24T variants?

The R5F524TAADFN#11 uses an 80-pin LFQFP package (PLQP0080KB-B), 12×12 mm body with 0.5 mm pitch. It is pin-compatible with R5F524T8ADFN#31 (128 KB variant) in the same package, but not with 100-pin or 64-pin RX24T variants due to differing pin counts and peripheral mappings - always verify pin function tables before substitution.