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Renesas R5F526T8ADFM#10
- Part No.:
- R5F526T8ADFM#10
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 64-LQFP
- Datasheet:
-
R5F526T8ADFM#10.pdf
- Description:
- 32BIT MCU RX26T 128/48K LFQFP64
- Quantity:
- Payment:
- Shipping:
Inventory:1,035
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Product details
Overview
R5F526T8ADFM#10 from Renesas is a 32-bit RXv3 microcontroller optimized for motor control and industrial inverter applications, featuring a 120 MHz CPU core, 512 KB on-chip code flash, 64 KB SRAM, 16 KB data flash, integrated CAN FD interface, and hardware-accelerated 3-phase/5-phase complementary PWM generation with 260 ps HRPWM timing resolution.
For engineers reviewing the R5F526T8ADFM#10 datasheet, R5F526T8ADFM#10 pinout, R5F526T8ADFM#10 application, or R5F526T8ADFM#10 equivalent, key selection considerations include its dual-bank flash architecture for safe firmware updates, IEC60730-compliant safety features (oscillation-stop detection, RAM test assist, CRC calculator), and dedicated motor control peripherals including MTU3d, GPTWa, and HRPWM supporting real-time torque and flux control in BLDC/PMSM drives.
Technical Context
The R5F526T8ADFM#10 implements the RXv3 CPU core with single-cycle instruction execution at 120 MHz, IEEE 754-compliant single-precision FPU, and collective register bank save for fast interrupt response. Its clock system integrates PLL, 240-kHz LOCO, and 120-kHz IWDT-dedicated oscillator with main clock oscillation stop detection.
Motor control capability is enabled by three synchronized timer subsystems: MTU3d (16-bit × 9 channels) for 3-phase complementary PWM with automatic dead-time insertion, GPTWa (32-bit × 8 channels) supporting single-/3-/5-phase modes, and HRPWM (4 channels) delivering 260 ps minimum timing resolution for precise gate drive edge placement - all synchronized to PCLKC up to 120 MHz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv3 32-bit, 120 MHz max operation, 709 CoreMark score - enables real-time field-oriented control (FOC) loop execution within sub-μs deadlines. |
| Memory | 512 KB code flash (dual-bank), 64 KB SRAM, 16 KB data flash (100k write cycles) - supports background programming and safe firmware updates without halting execution. |
| PWM Capability | 10-channel single-phase, 3-channel 3-phase, 2-channel 5-phase complementary PWM via GPTWa + MTU3d - directly drives 6–10 power MOSFET/IGBT half-bridges in inverters. |
| HRPWM Resolution | 260 ps minimum timing step at 120 MHz - allows nanosecond-level dead-time tuning and phase advance compensation for high-efficiency motor drive. |
| Analog Peripherals | 12-bit S12ADH ADC (22 total channels across 3 units), 6-channel CMPCa comparator, 2-channel 12-bit R12DAb DAC - enables simultaneous current/voltage sensing and reference generation for closed-loop control. |
| Communication | CAN FD (ISO 11898-1:2015), 4× SCI, 3× RSCI (with LIN/Manchester), RIICa (400 kbps), RI3C (I3C SDR), RSPId (30 Mbps) - provides robust fieldbus connectivity and debug interfaces. |
| Safety Features | MPU, Trusted Memory (TM), CRCA, IWDT with window function, oscillation-stop detection, A/D disconnection detection - satisfies IEC60730 Class B requirements for embedded motor control. |
Pinout & Package
Package: PLQP0100KB-B (100-pin LQFP, 14 × 14 mm, 0.5 mm pitch). Pin count and I/O configuration match the 100-pin variant of the RX26T Group, supporting up to 83 general-purpose I/O pins with 5-V tolerance, open-drain capability, and programmable drive strength.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VCC, VSS | Power supply and ground | Single 2.7–5.5 V supply domain; decoupling required per Renesas layout guidelines for noise-sensitive analog/digital domains. |
| XTAL/EXTAL | Main clock oscillator connection | Accepts 8–24 MHz crystal resonator; enables PLL-based 120 MHz system clock with ±0.5% accuracy over temperature. |
| MTIOC0A–MTIOC5B | MTU3d waveform output/input | Dedicated pins for 3-phase complementary PWM outputs with automatic dead-time insertion and fault protection via POE3D. |
| GTIOCA0–GTIOCB3 | GPTWa waveform I/O | Supports high-resolution PWM generation with HRPWM fine-tuning; configurable as input capture for encoder position feedback. |
| ADTRG0–ADTRG2 | A/D conversion trigger inputs | Hardware-synchronized sampling triggers from MTU/GPTW timers - eliminates software jitter in current sensing for FOC. |
| CANFD_TX, CANFD_RX | CAN FD transceiver interface | Differential bus interface compliant with ISO 11898-1:2015; supports data rates up to 5 Mbps in FD mode for real-time diagnostics and control messaging. |
Key Features
| Feature | Design Value |
|---|---|
| IEC60730 Safety Support | Integrated oscillation-stop detection, A/D disconnection monitoring, RAM test assist via DOC, and CRCA - reduces external safety component count for Class B certification. |
| Dual-Bank Flash Architecture | Enables seamless firmware update with zero downtime: one bank executes while the other is reprogrammed via background operation (BGO). |
| Event Link Controller (ELC) | 183 internal event signals routed without CPU intervention - e.g., MTU overflow triggers ADC start, GPTW compare-match toggles GPIO, reducing ISR latency and jitter. |
| Trusted Secure IP Lite | AES-128/256 (ECB/CBC/GCM), true random number generator, and secure key management - protects firmware IP and enables secure boot in industrial edge devices. |
| Programmable Gain Amplifier (PGA) | Integrated into S12ADH Unit 0 and Unit 1 (3 channels each) - enables direct low-noise amplification of shunt current sense signals before ADC conversion. |
Applications
| Industrial Motor Drives | Home Appliance Inverters |
|---|---|
Use Scenario: Closed-loop vector control of 3-phase PMSM/BLDC motors in HVAC compressors, washing machine drum drives, and refrigerator fans. IC Role / Device Role / Timing Role: Real-time execution of FOC algorithms, synchronous PWM generation with <260 ps edge placement, and simultaneous 3-channel current sampling via S12ADH. Use Value: Enables >95% motor efficiency and <5% torque ripple through precise dead-time compensation and nanosecond-level PWM timing control. | Use Scenario: Compact inverter modules for variable-speed induction motors in air conditioners and vacuum cleaners. IC Role / Device Role / Timing Role: Integrated motor controller handling gate driver timing, thermal monitoring, overcurrent protection, and CAN FD communication with host MCU. Use Value: Reduces BOM count by integrating analog comparators, DACs, and safety monitors - eliminating need for external op-amps and discrete watchdog ICs. |
| Automotive Auxiliary Systems | Industrial PLC I/O Modules |
Use Scenario: Electric power steering (EPS) assist motor control and battery-powered seat/mirror actuation systems. IC Role / Device Role / Timing Role: ASIL-B capable motor controller with IWDT window function, memory protection unit (MPU), and CRC-protected flash updates. Use Value: Meets automotive functional safety requirements without external safety co-processor - simplifies ISO 26262 compliance path. | Use Scenario: Distributed I/O terminals with local motion control for conveyor belts, packaging machines, and CNC auxiliary axes. IC Role / Device Role / Timing Role: Standalone motion controller interfacing with CAN FD fieldbus, executing position/speed loops, and managing analog sensor inputs. Use Value: Eliminates need for separate motion ASIC or FPGA - delivers deterministic 100 μs control cycle times using on-chip ELC-triggered DMA transfers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar motor control microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F526TADFM#10 | Same RX26T family, identical 100-pin LQFP package and peripheral set, but with 256 KB code flash and 48 KB SRAM instead of 512 KB/64 KB. | Targeted at cost-sensitive applications where firmware size <256 KB and RAM usage <48 KB suffice - e.g., simpler single-axis drives. | Select when full 512 KB flash and 64 KB SRAM are not required; retains identical pinout, clocking, and safety features. |
| R5F566TEADFP#30 | RX66T family part in 100-pin LQFP; higher 160 MHz CPU, 1 MB flash, enhanced GPTP timer with 150 ps HRPWM, and additional CAN FD channel. | Designed for multi-axis servo drives requiring higher computational throughput and tighter PWM synchronization across axes. | Choose for next-generation designs needing >120 MHz performance, larger code space, or dual-CAN FD redundancy - requires minor PCB layout revision. |
Compared with R5F526T8ADFM#10, the R5F526TADFM#10 offers identical motor control peripherals and safety features at reduced memory capacity, while the R5F566TEADFP#30 delivers higher PWM resolution and CPU performance for advanced multi-axis systems - both require evaluation of flash/SRAM headroom and HRPWM timing margin against target control loop bandwidth.
Availability
R5F526T8ADFM#10 is available at Aetrix Electronics and suitable for industrial motor drives, home appliance inverters, automotive auxiliary systems, and distributed PLC I/O modules requiring stable component supply and long-term lifecycle support.
Supply support for R5F526T8ADFM#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 Corporation is a global semiconductor manufacturer headquartered in Japan, specializing in microcontrollers, analog, power, and SoC solutions for industrial, automotive, and enterprise applications.
The RX26T Group, including R5F526T8ADFM#10, was designed specifically for high-performance motor control in inverters and industrial drives - integrating precision PWM, safety-certified peripherals, and real-time processing capabilities in a single chip.
FAQ
What is the maximum operating frequency and CoreMark score of the R5F526T8ADFM#10?
The R5F526T8ADFM#10 operates at a maximum frequency of 120 MHz and achieves 709 CoreMark points under benchmark conditions. This performance level enables deterministic execution of complex motor control algorithms such as field-oriented control (FOC) and model predictive control (MPC) within tight real-time deadlines. The RXv3 CPU core's single-cycle instruction execution and collective register bank save further reduce interrupt latency critical for high-speed PWM synchronization.
Does the R5F526T8ADFM#10 support IEC60730 Class B compliance out of the box?
Yes, the R5F526T8ADFM#10 includes multiple hardware features required for IEC60730 Class B compliance: oscillation-stop detection, A/D converter disconnection monitoring, RAM test assist via DOC, CRC calculator (CRCA), independent watchdog timer (IWDT) with window function, and register write protection. These are implemented in silicon and do not require external components - enabling certified safety functionality with minimal software overhead during self-test routines.
What PWM configurations does the R5F526T8ADFM#10 support for motor control?
The R5F526T8ADFM#10 supports single-phase (10 channels), 3-phase (3 channels), and 5-phase (2 channels) complementary PWM via its MTU3d and GPTWa timers. It also integrates 4-channel High-Resolution PWM (HRPWM) with 260 ps minimum timing resolution at 120 MHz - allowing precise dead-time adjustment and phase advance control essential for minimizing switching losses in SiC/GaN-based inverters.
How much on-chip memory does the R5F526T8ADFM#10 provide, and what are its key attributes?
The R5F526T8ADFM#10 integrates 512 KB of on-chip code flash memory with dual-bank architecture, 64 KB of SRAM, and 16 KB of reprogrammable data flash rated for 100,000 erase/write cycles. The flash supports background programming (BGO), enabling firmware updates without halting CPU execution. All memory blocks feature error detection (SED for SRAM) and Trusted Memory (TM) protection to prevent unauthorized read access to critical code sections.
Which communication interfaces are available on the R5F526T8ADFM#10 for industrial networking?
The R5F526T8ADFM#10 provides CAN FD (ISO 11898-1:2015 compliant), four SCI channels, three RSCI channels (with LIN and Manchester encoding), one I2C bus interface (RIICa, 400 kbps), one I3C bus interface (RI3C, SDR mode), and two SPI interfaces (RSPId and RSPIA). These interfaces support robust fieldbus connectivity, debug over FINE/JTAG, and interoperability with sensors, gate drivers, and host controllers in industrial automation environments.
R5F526T8ADFM#10 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 64-LQFP
- Series:
- RX26T
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- -
- Core Processor:
- RXv3
- Core Size:
- 32-Bit
- Speed:
- 120MHz
- Connectivity:
- CANbus, I2C, SCI, SPI, UART/USART
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 49
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- 16K x 8
- RAM Size:
- 48K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 5.5V
- Data Converters:
- A/D 15x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F526T8ADFM#10 FAQ
1.How can I place an order for R5F526T8ADFM#10 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F526T8ADFM#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 R5F526T8ADFM#10 reliable?
The price and inventory of R5F526T8ADFM#10 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F526T8ADFM#10 is usually 5 days.
3.What payment methods are accepted for R5F526T8ADFM#10?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F526T8ADFM#10 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F526T8ADFM#10?
R5F526T8ADFM#10 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F526T8ADFM#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 R5F526T8ADFM#10?
For technical support, including R5F526T8ADFM#10 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F526T8ADFM#10 requirements.
6.How does Aetrix verify that R5F526T8ADFM#10 is sourced from the original manufacturer or authorized distributors?
All R5F526T8ADFM#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 R5F526T8ADFM#10 meets industry standards.
7.What is the process for return or replacement of R5F526T8ADFM#10?
All R5F526T8ADFM#10 units undergo pre-shipment inspection (PSI). If there is an issue with R5F526T8ADFM#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 R5F526T8ADFM#10 part is unused and in its original packaging.
Return procedure for R5F526T8ADFM#10:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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