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Renesas R5F523T5ADFL#10
- Part No.:
- R5F523T5ADFL#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 48-LQFP
- Datasheet:
-
R5F523T5ADFL#10.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 48LFQFP
- Quantity:
- Payment:
- Shipping:
Inventory:2,000
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Product details
Overview
R5F523T5ADFL#10 from Renesas is a 32-bit RX CPU-based microcontroller optimized for motor control and inverter applications, operating at 40 MHz with 65.6 DMIPS performance, integrated FPU (IEEE 754 single-precision), 128 KB on-chip flash, 12 KB SRAM, and a 12-bit A/D converter with three sample-and-hold circuits - deployed in industrial HVAC inverters, servo drives, and brushless DC motor controllers.
For engineers reviewing the R5F523T5ADFL#10 datasheet, R5F523T5ADFL#10 pinout, R5F523T5ADFL#10 application, or R5F523T5ADFL#10 equivalent, key selection criteria include three-phase complementary PWM timing accuracy, IEC60730-compliant self-diagnostic A/D and watchdog features, 40-MHz MTU3c timer resolution, and 48-pin LFQFP (7 × 7 mm, 0.5 mm pitch) package compatibility with thermal and layout constraints in compact motor drive PCBs.
Technical Context
The R5F523T5ADFL#10 implements the RX v2 CPU core with Harvard architecture, 5-stage pipeline, and variable-length instructions, supporting deterministic real-time execution for motor control loops. Its MTU3c unit delivers synchronized three-phase complementary PWM with automatic dead-time insertion and phase counting modes - critical for space-vector modulation in inverter gate drivers.
It integrates IEC60730-compliant safety functions including RAM test assistance via DOC, A/D disconnection detection, clock frequency accuracy measurement (CAC), and independent watchdog timer (IWDT) driven by a dedicated 15-kHz on-chip oscillator - enabling Class B certification without external components.
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 - enables fast vector math for real-time FOC algorithms. |
| Operating Frequency | 40 MHz max - supports 1-µs A/D conversion time and sub-microsecond PWM edge placement for high-efficiency inverters. |
| Memory | 128 KB flash (no wait states up to 32 MHz), 12 KB SRAM - sufficient for dual-bank firmware updates and real-time control buffers. |
| A/D Converter | 12-bit S12ADE with 10 channels, three sample-and-hold circuits, and per-channel sampling time control - captures simultaneous current/voltage feedback in 3-phase systems. |
| PWM Capability | MTU3c with six 16-bit channels, three-phase complementary output × 2 units, automatic dead-time compensation - directly drives 6-output IGBT/SiC gate drivers. |
| Safety Features | IEC60730-compliant self-test: A/D disconnection detection, IWDT with dedicated oscillator, CAC, DOC-assisted RAM test - reduces external safety component count. |
| Package | PLQP0048KB-B: 48-pin LFQFP, 7 × 7 mm, 0.5 mm pitch - optimized for thermal dissipation and routing density in motor control modules. |
Pinout & Package
Package: PLQP0048KB-B - 48-pin Low-Profile Quad Flat Package, 7 mm × 7 mm body, 0.5 mm lead pitch, exposed pad for thermal enhancement.
| 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 and comparator operation. |
| XTAL / EXTAL | Crystal oscillator input/output | Supports 1–20 MHz crystal or external clock - provides precise timing base for PLL and motor commutation timing. |
| MTIOC0A–D, MTIOC1A–B | MTU3c waveform I/O | Drive three-phase complementary PWM outputs with dead-time control - directly interface to gate driver ICs without external logic. |
| AN000–AN007, AN016–17 | Analog inputs | 10-channel 12-bit ADC inputs with dedicated sample-and-hold - capture motor phase currents and DC-link voltage simultaneously. |
| CMPC00–02, CMPC10–12, CMPC20–22 | Comparator C analog inputs | Three independent comparators with selectable reference - implement overcurrent protection and fast fault shutdown (< 1 µs response). |
| RES#, MD | Reset / Mode control | Hardware reset pin and boot-mode select - ensure deterministic startup and secure firmware loading sequence. |
| PB0–PB7, P40–P47, P70–P76 | General-purpose I/O | 50 total I/O pins (42 open-drain, 2 5-V tolerant) - support GPIO, encoder inputs, status LEDs, and communication interfaces. |
Key Features
| Feature | Design Value |
|---|---|
| Three-phase complementary PWM | Two independent 3-phase outputs with automatic dead-time insertion and adjustable duty cycle (0–100%) - eliminates external dead-time generators and simplifies inverter design. |
| IEC60730 self-diagnostic suite | Integrated A/D disconnection detection, RAM test via DOC, clock accuracy monitoring, and IWDT - meets Class B functional safety requirements without external ICs. |
| Floating-point unit (FPU) | IEEE 754-compliant 32-bit single-precision FPU - accelerates field-oriented control (FOC) math, trigonometric calculations, and observer algorithms in real time. |
| Multi-function timer pulse unit 3 (MTU3c) | Six 16-bit channels with phase counting, cascaded operation, and synchronous register update - enables precise rotor position tracking and synchronized PWM/A/D triggering. |
| Flexible communication interfaces | SCIg (2 channels, async/clock-sync/simple SPI/I²C), RIIC (1 channel, 400 kbps), RSPI (1 channel, 32-bit frames) - supports motor parameter upload, diagnostics, and host MCU coordination. |
Applications
| Industrial Inverter Drive | Brushless DC Motor Control |
|---|---|
Use Scenario: Variable-frequency drive for HVAC compressors and pumps requiring precise torque and speed regulation under load transients. IC Role / Device Role / Timing Role: Primary motor control MCU executing field-oriented control (FOC) loop at 20 kHz, generating synchronized 3-phase PWM, sampling current sensors, and managing thermal protection. Use Value: Integrated MTU3c and 12-bit ADC with three S/H circuits enable simultaneous current sampling and PWM generation - reducing current-loop latency to < 2 µs. | Use Scenario: Closed-loop speed and position control of BLDC motors in robotics joints and automated guided vehicles (AGVs). IC Role / Device Role / Timing Role: Real-time commutation controller using hall sensor or encoder inputs, computing back-EMF zero-crossing, and driving 6-output gate drivers with adaptive timing. Use Value: Phase counting mode in MTU3c directly interprets quadrature encoder signals - eliminating external counter ICs and reducing BOM cost by $0.32/unit. |
| Servo Amplifier Module | Appliance Motor Control |
Use Scenario: Compact servo amplifier for CNC axes and packaging machinery requiring nanosecond-level PWM edge jitter control and fast fault response. IC Role / Device Role / Timing Role: High-bandwidth current loop controller with 1-µs A/D conversion, hardware-triggered PWM update, and comparator-based overcurrent shutdown. Use Value: Comparator C with 1-µs response and dedicated CVREFC reference pins enable hardware-level short-circuit protection - bypassing software latency for < 500 ns fault clearance. | Use Scenario: Energy-efficient motor control in washing machines, refrigerators, and air purifiers with variable-speed compressors and fans. IC Role / Device Role / Timing Role: Cost-optimized main MCU handling user interface, motor sequencing, energy monitoring, and communication with home automation gateways. Use Value: Dual SCIg channels support both UART debug interface and simple I²C sensor bus - consolidating communication onto one chip and reducing external level shifters. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F523T5ADFD#10 | 52-pin LQFP (10 × 10 mm, 0.65 mm pitch), same 128 KB flash/12 KB RAM/40 MHz spec - adds 12 additional I/O pins and full MTU3c channel count. | Required when >50 I/O or full 6-channel MTU3c usage (e.g., dual-motor control or extended diagnostics) is needed. | Select R5F523T5ADFD#10 only if board layout accommodates larger footprint and extra I/O is utilized; otherwise R5F523T5ADFL#10 offers better cost and thermal density. |
| R5F523T3ADFL#10 | Same 48-pin LFQFP package but 64 KB flash (vs. 128 KB), identical peripherals and clock specs - no reduction in A/D, PWM, or safety features. | Suitable for simpler motor control firmware with smaller code size, e.g., fixed-speed fan control or basic compressor sequencing. | Choose R5F523T3ADFL#10 when firmware image fits in 64 KB and future feature expansion is not required - saves ~$0.45/unit at volume. |
Compared with R5F523T5ADFD#10, the R5F523T5ADFL#10 trades I/O count and package size for higher board density and lower thermal resistance; versus R5F523T3ADFL#10, it doubles flash capacity for complex FOC libraries and OTA update partitions - making it optimal for mid-tier industrial inverters where cost, size, and firmware headroom must be balanced.
Availability
R5F523T5ADFL#10 is available at Aetrix Electronics and suitable for industrial motor drives, HVAC inverters, and appliance control systems requiring stable component supply, long-term lifecycle assurance, and automotive-grade reliability validation.
Supply support for R5F523T5ADFL#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 solutions for industrial, automotive, and IoT markets - with over 40 years of embedded system expertise.
The RX23T Group, including R5F523T5ADFL#10, was designed specifically for high-performance motor control applications - integrating precision PWM, safety-certified peripherals, and real-time computation to replace discrete analog/mixed-signal subsystems in inverters and servo amplifiers.
FAQ
What is the maximum operating temperature range for the R5F523T5ADFL#10?
The R5F523T5ADFL#10 is rated for operation from −40°C to +85°C (D version). This industrial temperature grade ensures reliable performance in enclosed motor drive enclosures and HVAC equipment without forced cooling. The device maintains full 40 MHz operation and A/D accuracy across this range, validated per Renesas' characterization data in R01DS0248EJ0110.
Does the R5F523T5ADFL#10 support IEC60730 Class B compliance out of the box?
Yes, the R5F523T5ADFL#10 includes hardware-assisted IEC60730 Class B features: A/D disconnection detection, clock frequency accuracy measurement (CAC), independent watchdog timer (IWDT) with dedicated oscillator, RAM test via DOC, and self-diagnostic routines for the comparator and MTU3c - all documented in the R01DS0248EJ0110 datasheet Section 1.1 and Application Note R01AN3319.
What development tools are supported for the R5F523T5ADFL#10?
The R5F523T5ADFL#10 is fully supported by Renesas' E2 studio IDE, CS+ compiler, and the E1 on-chip debugger via the FINE interface. Hardware evaluation is enabled by the YRDKRX23T reference kit, which maps all R5F523T5ADFL#10 peripherals including MTU3c PWM outputs, A/D channels, and SCIg interfaces - allowing rapid validation of motor control firmware.
Can the R5F523T5ADFL#10 generate three-phase complementary PWM with programmable dead time?
Yes, the R5F523T5ADFL#10's MTU3c unit supports three-phase complementary PWM output on two independent sets (e.g., MTIOC0A–D and MTIOC1A–B), with automatic dead-time insertion configurable per channel. Dead time is set in CPU cycles (not fixed ns), enabling precise adjustment from 100 ns to >1 µs depending on PCLK frequency - verified in the MTU3c section of R01DS0248EJ0110.
Is the R5F523T5ADFL#10 pin-compatible with other RX23T group MCUs in the same package?
Yes, all RX23T group devices in the PLQP0048KB-B (48-pin LFQFP) package - including R5F523T5ADFL#10, R5F523T3ADFL#10, and R5F523T5AGFL#10 - share identical pin assignments and electrical characteristics. Firmware and hardware designs are interchangeable across these variants, differing only in flash size (128 KB vs. 64 KB) and temperature grade (85°C vs. 105°C).
R5F523T5ADFL#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 48-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:
- 37
- 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:
R5F523T5ADFL#10 FAQ
1.How can I place an order for R5F523T5ADFL#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F523T5ADFL#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 R5F523T5ADFL#10 reliable?
The price and inventory of R5F523T5ADFL#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F523T5ADFL#10 is usually 5 days.
3.What payment methods are accepted for R5F523T5ADFL#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F523T5ADFL#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F523T5ADFL#10?
R5F523T5ADFL#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F523T5ADFL#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 R5F523T5ADFL#10?
For technical support, including R5F523T5ADFL#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F523T5ADFL#10 requirements.
6.How does Aetrix verify that R5F523T5ADFL#10 is sourced from the original manufacturer or authorized distributors?
All R5F523T5ADFL#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 R5F523T5ADFL#10 meets industry standards.
7.What is the process for return or replacement of R5F523T5ADFL#10?
All R5F523T5ADFL#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F523T5ADFL#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 R5F523T5ADFL#10 part is unused and in its original packaging.
Return procedure for R5F523T5ADFL#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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