Renesas R5F523T3AGFD#30
- Part No.:
- R5F523T3AGFD#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F523T3AGFD#30.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 52LQFP
- Quantity:
- Payment:

- Shipping:

Inventory:790
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Product details
Overview
R5F523T3AGFD#30 from Renesas is a 32-bit RX CPU-based microcontroller optimized for motor control and industrial inverter applications, operating at up to 40 MHz with 65.6 DMIPS performance, integrated FPU (IEEE 754 compliant), 64 KB on-chip flash, 12 KB SRAM, and a 12-bit ADC with three sample-and-hold circuits - deployed in HVAC compressors, servo drives, and BLDC motor controllers.
For engineers reviewing the R5F523T3AGFD#30 datasheet, R5F523T3AGFD#30 pinout, R5F523T3AGFD#30 application, or R5F523T3AGFD#30 equivalent, key selection criteria include its 52-pin LQFP package, three-phase complementary PWM capability (MTU3c × 2 channels), IEC60730 safety support, dual SCI interfaces with SPI/I²C emulation, and -40°C to +105°C extended temperature operation.
Technical Context
The R5F523T3AGFD#30 implements the RX v2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions, delivering deterministic real-time response for closed-loop motor control. Its MTU3c timer unit supports simultaneous 3-phase non-overlapping PWM generation with automatic dead-time insertion and reset-synchronized output modes.
On-chip peripherals include a 12-bit A/D converter with per-channel sampling time control, self-diagnostic functions for IEC60730 compliance, and independent watchdog timer driven by a dedicated 15-kHz on-chip oscillator - all synchronized to separate clock domains (ICLK, PCLKA/B/D, FCLK) for precise timing isolation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RX v2 32-bit CISC core with 5-stage pipeline, 65.6 DMIPS @ 40 MHz |
| Max Operating Frequency | 40 MHz system clock (ICLK), enabling real-time motor control loop execution ≤25 µs |
| Memory | 64 KB code flash (no wait states up to 32 MHz), 12 KB SRAM (no wait states @ 40 MHz) |
| A/D Converter | 12-bit S12ADE with 10 input channels, three sample-and-hold circuits, and 1.0 µs min conversion time @ 40 MHz ADCLK |
| PWM Capability | MTU3c provides six 16-bit channels supporting three-phase complementary PWM × 2 sets with adjustable dead time and automatic waveform alignment |
| Operating Temperature | -40°C to +105°C (G version), qualified for industrial motor drive environments with thermal derating support |
| Package | 52-pin LQFP (PLQP0052JA-B), 10 × 10 mm, 0.65 mm pitch, with 40 general-purpose I/O pins |
Pinout & Package
Package: 52-pin LQFP (PLQP0052JA-B), 10 × 10 mm body, 0.65 mm pitch, exposed pad not specified, RoHS-compliant lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply / Ground | Dual power domains: digital VCC/VSS and analog AVCC0/AVSS0 enable noise-isolated ADC operation |
| XTAL / EXTAL | Crystal oscillator interface | Supports 1–20 MHz crystal or external clock; enables precise PLL-based system clock generation |
| MTIOC0A–D, MTIOC1A–B | MTU3c waveform I/O | Drive three-phase inverter legs with complementary PWM; POE0#/POE8#/POE10# control high-impedance state during fault |
| AN000–AN007, AN016–AN017 | Analog inputs | 10-channel ADC input set including dedicated current-sense and voltage feedback paths for motor phase monitoring |
| SCI1/SCI5 (TXD1/RXD1, TXD5/RXD5) | Serial communication | Dual SCI interfaces support UART, simplified SPI/I²C, and smart card modes - used for host MCU coordination or parameter upload |
| RES# | Active-low reset | Asynchronous hardware reset with built-in power-on reset (POR) and low-voltage detection (LVD) integration |
Key Features
| Feature | Design Value |
|---|---|
| Floating-point unit (FPU) | IEEE 754-compliant 32-bit single-precision FPU accelerates Clarke/Park transforms and PID calculations without software library overhead |
| IEC60730 safety support | Hardware-assisted RAM test (DOC), ADC self-diagnostic, clock accuracy measurement (CAC), and IWDT disconnection detection meet Class B requirements |
| Three-phase PWM engine | MTU3c delivers synchronized 3-phase complementary outputs with programmable dead time, phase counting, and A/D trigger synchronization |
| Flexible clock system | Multiple on-chip oscillators (high-speed, low-speed, IWDT-dedicated), PLL, and clock frequency accuracy measurement (CAC) enable robust timing under voltage/temperature variation |
| Peripheral function remapping | MPC allows dynamic assignment of SCI, RSPI, RIIC, and timer functions across multiple I/O pins - simplifies PCB layout and design reuse |
Applications
| Industrial Motor Drives | BLDC Compressor Control |
|---|---|
|
Use Scenario: Field-oriented control (FOC) of 3-phase PMSM motors in HVAC variable-refrigerant-flow (VRF) systems. IC Role / Device Role / Timing Role: Primary motor control MCU executing real-time current/voltage sensing, space-vector PWM generation, and thermal protection logic. Use Value: Integrated 3-phase complementary PWM with automatic dead-time compensation eliminates external gate-driver timing mismatches and reduces BOM count. |
Use Scenario: Sensorless commutation and speed regulation of brushless DC compressors in commercial refrigeration units. IC Role / Device Role / Timing Role: Real-time rotor position estimation via back-EMF ADC sampling and 40-MHz PWM update for torque ripple minimization. Use Value: 12-bit ADC with per-channel sampling time control and double data registers enable accurate phase-current reconstruction at 20 kHz switching frequency. |
| Servo Amplifier Modules | Industrial PLC I/O Expansion |
|
Use Scenario: Compact servo amplifier integrating power stage gate driving, current feedback, and EtherCAT slave interface. IC Role / Device Role / Timing Role: Motion controller handling position loop closure, PWM modulation, and safety-critical monitoring (overcurrent, overtemperature). Use Value: Independent watchdog timer with dedicated 15-kHz oscillator ensures fail-safe shutdown independent of main clock integrity. |
Use Scenario: Distributed I/O module for industrial PLCs requiring analog input conditioning, isolated digital I/O, and fieldbus communication. IC Role / Device Role / Timing Role: Peripheral management MCU interfacing with local sensors/actuators while relaying data via RSPI or SCI to main controller. Use Value: Dual SCI interfaces with simplified SPI/I²C emulation allow seamless integration with legacy sensor networks and HMI displays without additional protocol bridges. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F523T3ADFD | Same RX23T core, 64 KB flash, but rated for -40°C to +85°C (D version); identical pinout and peripheral set | Not qualified for extended-temperature industrial enclosures or under-hood automotive environments | Select when ambient operating temperature remains ≤85°C and cost sensitivity outweighs extended thermal margin |
| R5F523T5AGFD | Same 52-pin LQFP package and G-temp grade, but with 128 KB flash and identical 12 KB SRAM | Enables larger control algorithms, bootloader partitioning, and future firmware updates without memory constraints | Choose when application requires >64 KB code space for safety-certified stacks, OTA update capability, or multi-motor coordination logic |
Compared with R5F523T3AGFD#30, the R5F523T3ADFD offers identical functionality at lower thermal rating, while R5F523T5AGFD provides doubled flash capacity within the same footprint - enabling scalable firmware development without PCB redesign.
Availability
R5F523T3AGFD#30 is available at Aetrix Electronics and suitable for industrial motor drives, HVAC compressor control, and servo amplifier modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for R5F523T3AGFD#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 solutions for industrial, automotive, and IoT markets, with deep expertise in real-time control architectures.
The RX23T Group, including R5F523T3AGFD#30, was designed specifically for high-efficiency inverter and motor control applications - integrating precision analog, deterministic PWM, and functional safety features into a single chip.
FAQ
What is the maximum operating frequency and core performance of the R5F523T3AGFD#30?
The R5F523T3AGFD#30 operates at a maximum system clock frequency of 40 MHz using the RX v2 32-bit CPU core, achieving 65.6 DMIPS performance. Its 5-stage pipeline, variable-length instruction set, and on-chip FPU enable deterministic execution of motor control algorithms such as field-oriented control and fast Fourier transforms without external co-processing.
Does the R5F523T3AGFD#30 support IEC60730 Class B compliance?
Yes, the R5F523T3AGFD#30 includes hardware-assisted features for IEC60730 Class B compliance: self-diagnostic ADC, clock frequency accuracy measurement (CAC), independent watchdog timer (IWDT) with dedicated oscillator, RAM test support via DOC, and analog input disconnection detection - all documented in Renesas Application Note R01AN2309.
What PWM capabilities does the R5F523T3AGFD#30 provide for motor control?
The R5F523T3AGFD#30 integrates the MTU3c timer unit with six 16-bit channels supporting two independent sets of three-phase complementary PWM outputs. It provides automatic dead-time insertion, reset-synchronized PWM, phase counting mode, and A/D conversion trigger synchronization - enabling direct control of 3-phase inverter bridges without external timing logic.
What package type and pin count does the R5F523T3AGFD#30 use?
The R5F523T3AGFD#30 uses a 52-pin LQFP package (PLQP0052JA-B), measuring 10 × 10 mm with 0.65 mm pitch. It provides 40 general-purpose I/O pins, including 5-V tolerant and open-drain options, and dedicated analog inputs (AN000–AN007, AN016–AN017) routed to the 12-bit ADC.
How does the R5F523T3AGFD#30 handle analog signal acquisition for motor current sensing?
The R5F523T3AGFD#30 uses its 12-bit S12ADE ADC with three integrated sample-and-hold circuits to simultaneously capture phase currents in motor control applications. Each channel supports programmable sampling time, double data registers prevent overwrite during interrupt latency, and the ADC can be triggered directly by MTU3c PWM events for precise synchronous sampling.
R5F523T3AGFD#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 52-LQFP
- Series:
- RX23T
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RX
- Core Size:
- 32-Bit
- Speed:
- 40MHz
- Connectivity:
- I2C, SCI, SPI
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 40
- Program Memory Size:
- 64KB (64K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 12K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 10x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F523T3AGFD#30 FAQ
1.How can I place an order for R5F523T3AGFD#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F523T3AGFD#30 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for R5F523T3AGFD#30 reliable?
The price and inventory of R5F523T3AGFD#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F523T3AGFD#30 is usually 5 days.
3.What payment methods are accepted for R5F523T3AGFD#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F523T3AGFD#30 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F523T3AGFD#30?
R5F523T3AGFD#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F523T3AGFD#30 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for R5F523T3AGFD#30?
For technical support, including R5F523T3AGFD#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F523T3AGFD#30 requirements.
6.How does Aetrix verify that R5F523T3AGFD#30 is sourced from the original manufacturer or authorized distributors?
All R5F523T3AGFD#30 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that R5F523T3AGFD#30 meets industry standards.
7.What is the process for return or replacement of R5F523T3AGFD#30?
All R5F523T3AGFD#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F523T3AGFD#30, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The R5F523T3AGFD#30 part is unused and in its original packaging.
Return procedure for R5F523T3AGFD#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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