Renesas R5F523T5ADFD#10
- Part No.:
- R5F523T5ADFD#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 52-LQFP
- Datasheet:
-
R5F523T5ADFD#10.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 52LQFP
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
R5F523T5ADFD#10 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 128 KB flash/12 KB SRAM, IEEE 754-compliant FPU, and three-phase complementary PWM generation via MTU3c timer units.
For engineers reviewing the R5F523T5ADFD#10 datasheet, R5F523T5ADFD#10 pinout, R5F523T5ADFD#10 application, or R5F523T5ADFD#10 equivalent, this MCU delivers deterministic real-time control for brushless DC (BLDC) and permanent magnet synchronous motor (PMSM) drives, with IEC60730-class safety support, 12-bit ADC with three sample-and-hold circuits, and dual SCI interfaces for host communication and diagnostics.
Technical Context
The R5F523T5ADFD#10 implements the RX v2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions, enabling single-cycle execution for most operations and 65.6 DMIPS at 40 MHz. It integrates an on-chip FPU compliant with IEEE 754 single-precision arithmetic and a 32-bit × 32-bit multiplier with 64-bit result.
Its timing subsystem centers on the MTU3c unit-six 16-bit channels supporting three-phase complementary PWM with automatic dead-time insertion, phase counting, and A/D trigger synchronization-paired with dedicated POE3b circuitry for safe high-impedance waveform output control during fault conditions.
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 | 128 KB on-chip flash (no wait states up to 32 MHz), 12 KB SRAM (no wait states @ 40 MHz) |
| FPU | IEEE 754-compliant 32-bit single-precision floating-point unit for sensor fusion and field-oriented control |
| ADC | 12-bit S12ADE with 10 input channels, three independent sample-and-hold circuits, and 1.0 µs min conversion time @ 40 MHz ADCLK |
| PWM Capability | MTU3c supports two independent 3-phase complementary PWM outputs with programmable dead time and reset-synchronized mode |
| Operating Voltage | 2.7 V to 5.5 V supply range, enabling direct interface with 3.3 V or 5 V logic and analog peripherals |
| Temperature Range | −40°C to +85°C (D version), validated for industrial motor drive ambient conditions |
Pinout & Package
Package: PLQP0052JA-B - 52-pin LQFP, 10 mm × 10 mm, 0.65 mm pitch, RoHS-compliant, with exposed thermal pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC / VSS | Power supply and ground | Dual VCC pins (pins 8, 17, 35) and three VSS pins (pins 6, 22, 36) ensure stable core/peripheral rail decoupling |
| XTAL / EXTAL | Crystal oscillator interface | Supports 1–20 MHz crystal or external clock; enables precise PLL-based system clock generation |
| MTIOC0A–MTIOC0D | MTU3c channel 0 PWM/complementary output | Four pins delivering synchronized high-side/low-side gate drive signals for one 3-phase inverter leg |
| MTIC5U–MTIC5W | Encoder position capture inputs | Three dedicated inputs for quadrature encoder U/V/W phase signals with digital filtering |
| AN000–AN007 | Analog inputs for ADC | Eight dedicated pins for current sensing, DC bus voltage, temperature, and auxiliary analog monitoring |
| SCI1/SCI5 (TXD1/RXD1, TXD5/RXD5) | Asynchronous serial interfaces | Dual full-duplex UARTs for host command interface (SCI1) and debug/diagnostics (SCI5) |
| RES# | Active-low reset input | Hardware reset assertion compatible with standard push-button or supervisor IC reset sequencing |
| POE0#, POE8#, POE10# | Port output enable control | Three dedicated inputs to force MTU3c output pins into high-impedance state during fault or shutdown |
Key Features
| Feature | Design Value |
|---|---|
| IEC60730 Safety Support | Integrated self-test functions for ADC, IWDT, clock accuracy (CAC), RAM (DOC), and analog disconnection detection |
| Motor Control Timer (MTU3c) | Six-channel 16-bit unit with three-phase complementary PWM, dead-time compensation counter, and A/D start triggering |
| Dual SCI Interfaces | SCIg channels 1 and 5 support asynchronous, clock-synchronous, simple I²C, and simple SPI modes for flexible host/peripheral connectivity |
| Comparator C + DAC | Three independent comparators with selectable reference voltages and 8-bit DAC for dynamic threshold generation |
| Low-Power Operation | Three low-power modes (Sleep, Deep Sleep, Software Standby) with fast wake-up and module stop control for energy-sensitive designs |
| Multi-Function Pin Controller (MPC) | Enables dynamic reassignment of peripheral functions (e.g., SCI, PWM, ADC) across multiple I/O pins without hardware change |
Applications
| Industrial Motor Drives | Home Appliance Inverters |
|---|---|
|
Use Scenario: Closed-loop control of BLDC/PMSM motors in HVAC compressors, washing machine drum drives, and refrigerator fans. IC Role / Device Role / Timing Role: Real-time execution of FOC (field-oriented control) algorithms using FPU, synchronized PWM generation, and current/voltage feedback sampling. Use Value: Enables <10 µs current control loop latency with 12-bit ADC sampling and MTU3c-triggered conversion, improving torque ripple and efficiency. |
Use Scenario: Variable-speed inverter control in induction cooktops and vacuum cleaners requiring rapid acceleration/deceleration. IC Role / Device Role / Timing Role: High-frequency PWM generation (up to 40 MHz timer clock), analog signal conditioning, and thermal protection monitoring. Use Value: Dual SCI interfaces allow simultaneous communication with user interface MCU and power stage driver ICs, simplifying system partitioning. |
| Industrial PLC I/O Modules | Factory Automation Sensors |
|
Use Scenario: Smart I/O terminal with analog input conditioning, isolated digital outputs, and Modbus RTU over SCI. IC Role / Device Role / Timing Role: ADC acquisition with self-diagnostic, CRC calculation for data integrity, and watchdog supervision per IEC61508 SIL2 requirements. Use Value: On-chip DOC and CRC calculator offload host processor tasks, while MPU enforces memory access isolation between firmware and application layers. |
Use Scenario: Embedded sensor node for motor health monitoring (vibration, temperature, current harmonics) with edge analytics. IC Role / Device Role / Timing Role: Simultaneous multi-channel ADC sampling, floating-point FFT preprocessing, and RSPI-based SPI flash logging. Use Value: 128 KB flash stores firmware plus diagnostic logs; 12 KB SRAM accommodates real-time FFT buffers and sensor fusion state variables. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F523T5ADFM#10 | 64-pin LFQFP package (PLQP0064KB-C), adds 2 extra MTU3c channels and 2 additional ADC inputs vs. R5F523T5ADFD#10 | Required when full 6-channel MTU3c utilization or >10 ADC inputs needed for dual-motor control | Select R5F523T5ADFM#10 only if PCB layout accommodates larger footprint and higher pin count is necessary |
| R5F523T3ADFD#10 | Same 52-pin LQFP package but with 64 KB flash (vs. 128 KB), no FPU, and reduced MTU3c channel count (4 vs. 6) | Suitable for cost-sensitive, lower-complexity motor control where FOC is not required or flash usage <64 KB | Choose R5F523T3ADFD#10 when application firmware size and computational load permit reduced resources |
Compared with R5F523T5ADFD#10, R5F523T5ADFM#10 provides greater peripheral scalability at the cost of board space, while R5F523T3ADFD#10 trades flash capacity and FPU capability for lower BOM cost-neither is pin-compatible, requiring PCB redesign.
Availability
R5F523T5ADFD#10 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, and factory automation I/O modules requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability validation.
Supply support for R5F523T5ADFD#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 solutions for industrial, automotive, and IoT markets.
The RX23T Group-including R5F523T5ADFD#10-is designed specifically for high-performance motor control, integrating precision timers, analog front-ends, and safety features to accelerate development of IEC60730-compliant inverter systems.
FAQ
What is the maximum operating frequency and core performance of the R5F523T5ADFD#10?
The R5F523T5ADFD#10 operates at a maximum frequency of 40 MHz and delivers 65.6 DMIPS of processing performance using the RX v2 32-bit CPU core. Its 5-stage pipeline, variable-length instruction set, and single-cycle execution for most instructions enable deterministic real-time response critical for motor control loops. The R5F523T5ADFD#10 achieves this performance while maintaining low power consumption across its 2.7–5.5 V operating range.
Does the R5F523T5ADFD#10 include hardware support for functional safety standards like IEC60730?
Yes, the R5F523T5ADFD#10 integrates multiple hardware-assisted safety features for IEC60730 Class B compliance, including self-diagnostic routines for the 12-bit ADC, independent watchdog timer (IWDT), clock frequency accuracy measurement circuit (CAC), RAM test support via the data operation circuit (DOC), and analog input disconnection detection. These features are implemented in silicon and require no external components to meet mandatory diagnostic coverage requirements.
How many PWM output channels does the R5F523T5ADFD#10 support for three-phase motor control?
The R5F523T5ADFD#10 supports two independent three-phase complementary PWM outputs using its MTU3c timer unit-each configured with six channels (three high-side, three low-side) and automatic dead-time insertion. This allows concurrent control of two BLDC or PMSM motors or dual-leg inverter topologies. The R5F523T5ADFD#10 also provides phase counting mode and A/D conversion triggering synchronized to PWM edges for precise current sampling.
What analog peripherals are integrated into the R5F523T5ADFD#10 for motor sensing?
The R5F523T5ADFD#10 integrates a 12-bit S12ADE ADC with 10 input channels, three independent sample-and-hold circuits, and configurable sampling time per channel-enabling simultaneous current sensing across multiple phases. It also includes Comparator C (3 channels) with selectable reference voltages and an 8-bit DAC for dynamic threshold generation, plus dedicated analog supply pins (AVCC0/AVSS0, VREFH0/VREFL0) for noise-immune signal acquisition.
Is the R5F523T5ADFD#10 pin-compatible with other members of the RX23T family?
No, the R5F523T5ADFD#10 is not pin-compatible with other RX23T variants. It uses the 52-pin LQFP package (PLQP0052JA-B), whereas R5F523T5ADFM#10 uses 64-pin LFQFP and R5F523T5ADFL#10 uses 48-pin LFQFP. Pin assignments differ across packages-even shared pin names (e.g., MTIOC0A) map to different physical locations. Migration requires PCB layout revision and I/O remapping via the MPC.
R5F523T5ADFD#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 52-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:
- 40
- Program Memory Size:
- 128KB (128K 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:
R5F523T5ADFD#10 FAQ
1.How can I place an order for R5F523T5ADFD#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F523T5ADFD#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 R5F523T5ADFD#10 reliable?
The price and inventory of R5F523T5ADFD#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F523T5ADFD#10 is usually 5 days.
3.What payment methods are accepted for R5F523T5ADFD#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F523T5ADFD#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F523T5ADFD#10?
R5F523T5ADFD#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F523T5ADFD#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 R5F523T5ADFD#10?
For technical support, including R5F523T5ADFD#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F523T5ADFD#10 requirements.
6.How does Aetrix verify that R5F523T5ADFD#10 is sourced from the original manufacturer or authorized distributors?
All R5F523T5ADFD#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 R5F523T5ADFD#10 meets industry standards.
7.What is the process for return or replacement of R5F523T5ADFD#10?
All R5F523T5ADFD#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F523T5ADFD#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 R5F523T5ADFD#10 part is unused and in its original packaging.
Return procedure for R5F523T5ADFD#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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