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Renesas R5F523T3ADFM#10
- Part No.:
- R5F523T3ADFM#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F523T3ADFM#10.pdf
- Description:
- IC MCU 32BIT 64KB FLASH 64LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,260
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Product details
Overview
R5F523T3ADFM#10 from Renesas is a 32-bit RX CPU-based microcontroller designed for motor control and industrial inverter applications. It operates at up to 40 MHz (65.6 DMIPS), integrates a 12-bit ADC with three sample-and-hold circuits, dual three-phase complementary PWM outputs via MTU3c, and an IEEE 754-compliant single-precision FPU - all within a 64-pin LFQFP package rated for −40°C to +85°C operation.
For engineers reviewing the R5F523T3ADFM#10 datasheet, R5F523T3ADFM#10 pinout, R5F523T3ADFM#10 application, or R5F523T3ADFM#10 equivalent, key selection criteria include its 40-MHz three-phase PWM capability, IEC60730-compliant self-diagnostic A/D and watchdog functions, 64-Kbyte flash/12-Kbyte SRAM memory configuration, and support for real-time motor control loop execution with hardware-accelerated floating-point math.
Technical Context
The R5F523T3ADFM#10 implements the RX v2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions optimized for compact code density and deterministic interrupt latency. Its MTU3c timer unit delivers synchronized three-phase complementary PWM with automatic dead-time insertion and reset-synchronized waveform generation - critical for brushless DC and permanent magnet synchronous motor drives.
It features dedicated analog subsystems including a 10-channel 12-bit A/D converter with per-channel sampling time control, double data registers, and comparator-assisted disconnection detection, plus a CRC calculator supporting X8/X16 polynomials for firmware integrity verification in safety-critical systems.
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 |
| Flash / SRAM | 64 Kbytes on-chip flash (no wait states up to 32 MHz), 12 Kbytes SRAM (no wait states @ 40 MHz) |
| A/D Converter | 12-bit resolution × 10 channels; includes three independent sample-and-hold circuits for simultaneous multi-phase current sensing |
| PWM Capability | MTU3c provides two independent 3-phase complementary PWM outputs with programmable dead time and automatic waveform synchronization |
| Floating-Point Unit | IEEE 754-compliant single-precision (32-bit) FPU for efficient Clarke/Park transforms and PID computation |
| Operating Temperature | −40°C to +85°C (D version), qualified for industrial motor drive ambient conditions |
Pinout & Package
Package: PLQP0064KB-C - 64-pin Low-profile Quad Flat Package (LFQFP), 10 mm × 10 mm body, 0.5 mm pitch, exposed pad not specified.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply and ground | Dual VCC pins (pins 10, 20, 42) and four VSS pins (pins 8, 22, 33, 44) enable low-noise power distribution for analog/digital domains |
| MTIOC0A–D, MTIOC1A–B | MTU3c waveform output | Drive six PWM output lines for first 3-phase inverter leg; support complementary mode with POE0#/POE8#/POE10# for high-impedance control |
| AN000–AN007, AN016–AN017 | Analog input | 10 dedicated ADC inputs including differential-capable channels for motor phase current and DC bus voltage sensing |
| ADTRG0#, ADSM0 | A/D trigger & status | Hardware-synchronized ADC start (e.g., from MTU3c PWM edge) and conversion completion flag for deterministic sampling |
| RES#, MD, XTAL/EXTAL | Reset, mode select, clock | Standard MCU boot control; supports crystal (1–20 MHz) or external clock input for precise timing in closed-loop control |
Key Features
| Feature | Design Value |
|---|---|
| IEC60730 Compliance Support | Integrated self-test functions for A/D converter, IWDT, clock accuracy measurement (CAC), RAM test assistance, and analog input disconnection detection |
| Three-Phase Inverter PWM Engine | MTU3c delivers two independent 3-phase complementary PWM outputs with automatic dead-time insertion, phase counting, and reset-synchronized waveforms |
| Dual SCI + RIIC + RSPI Interfaces | Two full-featured SCI channels (asynchronous/clock-sync/simple SPI/I²C), one I²C bus interface (400 kbps), and one high-speed RSPI (up to 32-bit frames) |
| On-Chip FPU & DSP Instructions | Hardware-accelerated single-precision floating-point math and 23 DSP instructions (MAC, subtract-MAC) for efficient motor algorithm execution |
| Flexible Peripheral Pin Mapping | MPC allows assignment of MTU3c, SCI, ADC, and comparator functions to multiple I/O ports - simplifying PCB layout for multi-sensor motor control boards |
Applications
| Industrial Motor Drives | Home Appliance Inverters |
|---|---|
Use Scenario: Closed-loop field-oriented control (FOC) of 3-phase BLDC/PMSM motors in HVAC compressors and washing machine drum drives. IC Role / Device Role / Timing Role: Primary motor control MCU executing real-time current/voltage sensing, space-vector PWM generation, and position estimation at 20–50 kHz switching frequency. Use Value: Integrated 3-phase complementary PWM with hardware dead-time control eliminates external gate-driver timing mismatches and reduces BOM cost by 30% versus discrete solutions. | Use Scenario: Variable-speed compressor control in inverter air conditioners requiring high-efficiency operation across wide load ranges. IC Role / Device Role / Timing Role: System-on-chip controller managing PFC stage, inverter stage, temperature monitoring, and user interface communication via I²C/SCI. Use Value: On-chip 12-bit ADC with three S/H circuits enables simultaneous sampling of three motor phase currents - essential for accurate FOC torque calculation without external multiplexing delay. |
| Industrial PLC I/O Modules | Factory Automation Sensors |
Use Scenario: Smart I/O terminal block with analog input conditioning, isolated digital outputs, and EtherCAT slave interface. IC Role / Device Role / Timing Role: Local processing node performing sensor linearization, alarm thresholding, and protocol translation between fieldbus and local peripherals. Use Value: Built-in CRC calculator (X8/X16 polynomials) and MPU ensure firmware/data integrity and memory protection - meeting SIL2 functional safety requirements for modular I/O. | Use Scenario: High-accuracy temperature/pressure transducer with digital output and self-calibration capability. IC Role / Device Role / Timing Role: Signal conditioner and smart sensor node integrating precision A/D, comparator-based fault detection, and RSPI-connected EEPROM for calibration data storage. Use Value: Comparator C module with programmable reference (via 8-bit DAC) and three independent analog inputs enables hardware-level overvoltage/overtemperature cut-off without CPU intervention. |
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#10 | 52-pin LQFP (0.65 mm pitch), same 64-Kbyte flash/12-Kbyte RAM, but reduced I/O count (40 vs. 50) and fewer MTU3c channels (4 vs. 6) | Suitable for space-constrained designs where full 64-pin PWM routing is unnecessary; lacks two MTU3c output pairs and one SCI channel | Select when board layout requires smaller footprint and motor control complexity is limited to single 3-phase inverter |
| R5F523T5ADFM#10 | Same 64-pin LFQFP package but with 128-Kbyte flash/12-Kbyte RAM; identical peripheral set and timing specs | Enables larger control algorithms, bootloader partitioning, and future firmware updates without hardware change | Choose when application requires >64 Kbytes code space for advanced diagnostics, OTA updates, or multi-motor coordination logic |
Compared with R5F523T3ADFD#10, the R5F523T3ADFM#10 offers 10 additional general-purpose I/O pins and two extra MTU3c channels for expanded peripheral interfacing and dual-inverter control; versus R5F523T5ADFM#10, it trades 64 Kbytes of flash capacity for lower cost while retaining identical real-time motor control performance and safety features.
Availability
R5F523T3ADFM#10 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, and factory automation sensors requiring stable component supply, long-term lifecycle support, and guaranteed traceability for safety-critical production.
Supply support for R5F523T3ADFM#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 is a global semiconductor leader specializing in microcontrollers, analog, and power management ICs for automotive, industrial, and IoT markets.
The RX23T Group, including R5F523T3ADFM#10, was engineered specifically for high-performance, safety-compliant motor control - integrating precision analog, deterministic PWM, and IEC60730-ready diagnostics into a single chip for inverter-driven systems.
FAQ
What is the maximum operating frequency and associated performance metric of the R5F523T3ADFM#10?
The R5F523T3ADFM#10 operates at a maximum frequency of 40 MHz, delivering 65.6 DMIPS of processing performance. This enables sub-25 µs execution of motor control loops with floating-point math, making it suitable for high-bandwidth field-oriented control in industrial and appliance inverters.
Does the R5F523T3ADFM#10 support IEC60730 functional safety compliance?
Yes, the R5F523T3ADFM#10 includes hardware-assisted IEC60730 compliance features: self-diagnostic A/D converter, clock frequency accuracy measurement circuit (CAC), independent watchdog timer (IWDT) with dedicated oscillator, RAM test assistance via DOC, and analog input disconnection detection - all documented in the R01DS0248EJ0110 datasheet.
What PWM capabilities does the R5F523T3ADFM#10 provide for motor control?
The R5F523T3ADFM#10 integrates the MTU3c timer unit, which supports two independent three-phase complementary PWM outputs with automatic dead-time insertion, reset-synchronized waveform generation, and phase counting modes - directly addressing the timing-critical requirements of BLDC and PMSM inverter gate driving.
What is the memory configuration of the R5F523T3ADFM#10, and how is it optimized for real-time control?
The R5F523T3ADFM#10 features 64 Kbytes of on-chip flash memory (with no wait states up to 32 MHz) and 12 Kbytes of SRAM (no wait states at 40 MHz). This configuration ensures deterministic instruction fetch and data access latency for time-critical motor control algorithms without external memory bottlenecks.
Which package type and pin count does the R5F523T3ADFM#10 use, and what are its key mechanical dimensions?
The R5F523T3ADFM#10 uses the PLQP0064KB-C package: a 64-pin Low-profile Quad Flat Package with 10 mm × 10 mm body size and 0.5 mm pin pitch. This LFQFP variant supports fine-pitch PCB routing for high-density motor control boards while maintaining thermal performance suitable for industrial ambient conditions.
R5F523T3ADFM#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RX23T
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- RX
- Core Size:
- 32-Bit Single-Core
- Speed:
- 40MHz
- Connectivity:
- I2C, SCI, SPI
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 50
- 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 ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F523T3ADFM#10 FAQ
1.How can I place an order for R5F523T3ADFM#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F523T3ADFM#10 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 R5F523T3ADFM#10 reliable?
The price and inventory of R5F523T3ADFM#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F523T3ADFM#10 is usually 5 days.
3.What payment methods are accepted for R5F523T3ADFM#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F523T3ADFM#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F523T3ADFM#10?
R5F523T3ADFM#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F523T3ADFM#10 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 R5F523T3ADFM#10?
For technical support, including R5F523T3ADFM#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F523T3ADFM#10 requirements.
6.How does Aetrix verify that R5F523T3ADFM#10 is sourced from the original manufacturer or authorized distributors?
All R5F523T3ADFM#10 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 R5F523T3ADFM#10 meets industry standards.
7.What is the process for return or replacement of R5F523T3ADFM#10?
All R5F523T3ADFM#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F523T3ADFM#10, 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 R5F523T3ADFM#10 part is unused and in its original packaging.
Return procedure for R5F523T3ADFM#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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