Renesas R5F523T3AGFM#30

Overview

R5F523T3AGFM#30 from Renesas is a 32-bit RX CPU-based microcontroller optimized for motor control and industrial inverter applications, operating at 40 MHz with 65.6 DMIPS performance, integrated FPU compliant to IEEE754, 64 KB on-chip flash, 12 KB SRAM, and a 12-bit A/D converter with three sample-and-hold circuits - deployed in HVAC compressors, servo drives, and brushless DC motor controllers.

For engineers reviewing the R5F523T3AGFM#30 datasheet, R5F523T3AGFM#30 pinout, R5F523T3AGFM#30 application, or R5F523T3AGFM#30 equivalent, this page delivers verified technical context, package-specific pin mapping, IEC60730-compliant self-diagnostic features, PWM timing accuracy for three-phase inverter gate driving, and validated alternative MCUs for motor control firmware migration paths.

Technical Context

The R5F523T3AGFM#30 implements the RX v2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions, supporting single-precision floating-point operations and 32-bit multiply-accumulate for real-time motor vector control. Its MTU3c timer unit delivers 40 MHz three-phase complementary PWM with automatic dead-time insertion and reset-synchronized output modes.

It integrates dual SCI interfaces (asynchronous, SPI/I²C emulation), one RIIC bus interface (400 kbps), one RSPI channel (up to 32-bit frames), and a 12-bit S12ADE ADC with per-channel sampling time control, analog input disconnection detection, and double data registers - all synchronized to dedicated peripheral clocks (PCLKA–PCLKD) for deterministic timing in closed-loop systems.

Key Specifications

Pinout & Package

Package: 64-pin LFQFP (PLQP0064KB-C), 10 × 10 mm body, 0.5 mm pitch, exposed pad not specified - compatible with standard reflow profiles and industrial PCB assembly processes.

Key Features

Applications

Equivalent & Alternatives

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

Compared with R5F523T3AGFM#30, the D-version alternative offers lower cost for non-automotive use, while the 128 KB variant adds headroom for advanced diagnostics and secure boot - both retain identical PWM timing accuracy, ADC performance, and IEC60730 diagnostic coverage.

Availability

R5F523T3AGFM#30 is available at Aetrix Electronics and suitable for motor inverter control, industrial servo drives, appliance motor management, and automotive auxiliary drive applications requiring stable component supply and long-term industrial lifecycle support.

Supply support for R5F523T3AGFM#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 is a global semiconductor leader specializing in microcontrollers, analog, and power devices for automotive, industrial, and IoT markets.

The RX23T Group, including R5F523T3AGFM#30, was designed specifically for high-performance, safety-certifiable motor control - integrating precision PWM, fast ADC, and IEC60730 self-test features into a single chip for inverter and servo applications.

FAQ

What is the maximum operating frequency and CPU performance of the R5F523T3AGFM#30?

The R5F523T3AGFM#30 operates at a maximum frequency of 40 MHz and delivers 65.6 DMIPS of processing performance using the RX v2 32-bit CPU core. This enables real-time execution of field-oriented control (FOC) algorithms with minimal latency. The R5F523T3AGFM#30 also includes a single-precision IEEE754-compliant FPU, accelerating floating-point math required for motor control computations without external co-processors.

Does the R5F523T3AGFM#30 support IEC60730 Class B compliance for safety-critical motor control?

Yes, the R5F523T3AGFM#30 includes hardware-assisted IEC60730 Class B compliance features: self-diagnostic functions for the A/D converter, clock frequency accuracy measurement circuit (CAC), independent watchdog timer (IWDT), RAM test assistance via the data operation circuit (DOC), and analog input disconnection detection. These capabilities reduce external safety component count and simplify certification for household appliances and industrial equipment.

What PWM capabilities does the R5F523T3AGFM#30 provide for three-phase inverter control?

The R5F523T3AGFM#30 integrates the MTU3c timer unit with six 16-bit channels supporting three-phase complementary PWM output across two independent legs. It provides automatic dead-time insertion, reset-synchronized PWM, phase counting mode, and A/D trigger generation - all in hardware. This allows precise, jitter-free gate driving for IGBT/MOSFET inverters without CPU intervention, critical for EMI reduction and torque stability in R5F523T3AGFM#30-based motor drives.

What is the analog-to-digital converter specification of the R5F523T3AGFM#30?

The R5F523T3AGFM#30 features a 12-bit S12ADE A/D converter with 10 input channels, three on-chip sample-and-hold circuits, double data registers, and comparator functionality. Minimum conversion time is 1.0 µs per channel when ADCLK runs at 40 MHz. Per-channel sampling time configuration and analog input disconnection detection support accurate, synchronized current sensing in multi-phase motor control applications using the R5F523T3AGFM#30.

Which package and pin count does the R5F523T3AGFM#30 use, and what are its key I/O characteristics?

The R5F523T3AGFM#30 uses a 64-pin LFQFP package (PLQP0064KB-C), 10 × 10 mm body with 0.5 mm pitch. It provides 50 general-purpose I/O pins, including 42 open-drain outputs, 2×5-V-tolerant inputs, and configurable pull-up resistors. Dedicated MTU3c pins (MTIOCx, MTIC5U–W), ADC inputs (AN000–AN017), and port output enable signals (POE0#/8#/10#) are mapped to specific pins per the official pin assignment table for the R5F523T3AGFM#30.