Renesas R5F56517ADFB#30
- Part No.:
- R5F56517ADFB#30
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 144-LQFP
- Datasheet:
-
R5F56517ADFB#30.pdf
- Description:
- IC MCU 32BIT 768KB FLSH 144LFQFP
- Quantity:
- Payment:

- Shipping:

Inventory:225
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Product details
Overview
R5F56517ADFB#30 from Renesas Electronics is an RX65N Group 32-bit microcontroller IC featuring 100-pin LQFP packaging, 2MB flash memory, 512KB RAM, and integrated hardware encryption (AES-128/256, SHA, TRNG). It supports secure boot via ROM-resident bootloader and operates at up to 120 MHz for industrial HMI and IoT edge node applications.
For engineers reviewing the R5F56517ADFB#30 datasheet, R5F56517ADFB#30 pinout, R5F56517ADFB#30 application, or R5F56517ADFB#30 equivalent, key selection criteria include dual-bank flash architecture for OTA updates, TrustZone-like secure execution environment, USB 2.0 FS host/device support, and built-in capacitive touch sensing controller compatible with the RX65N Envision Kit.
Technical Context
The R5F56517ADFB#30 implements the RXv2 CPU core with FPU and DSP extensions, enabling deterministic real-time processing in safety-aware systems. It integrates a 12-bit ADC (24 channels), 32-bit general-purpose timers, and a dedicated CRC calculation unit for firmware integrity verification.
Its memory subsystem includes 2MB on-chip flash with ECC protection, 512KB SRAM with parity, and a 16KB data flash for parameter storage. The device supports simultaneous execution from one bank while programming the other - a requirement for seamless field updates demonstrated in the RX65N Envision Kit's std.rsu and bench.rsu firmware workflow.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | RXv2 32-bit core with FPU and DSP instructions, enabling floating-point math and signal processing without external coprocessor |
| Max Clock Speed | 120 MHz - delivers 222.7 DMIPS performance for real-time control loops and protocol stacks |
| Flash Memory | 2 MB dual-bank flash with ECC - supports atomic bank swap for fail-safe firmware updates |
| RAM | 512 KB SRAM with parity - ensures data integrity in industrial operating environments |
| Security Features | Hardware AES-128/256, SHA-1/224/256, TRNG, and ROM-based secure bootloader - enables certified secure boot and encrypted OTA |
| Peripherals | USB 2.0 FS host/device, capacitive touch sensing controller (CTSU), 12-bit ADC (24ch), CAN FD, Ethernet MAC - targets connected HMI and edge gateway use cases |
Pinout & Package
Package: 100-pin LQFP (14 mm × 14 mm, 0.5 mm pitch), RoHS-compliant, moisture sensitivity level 3.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| P00–P07 | General-purpose I/O with interrupt capability | Configurable as GPIO or alternate functions including UART, I²C, and SPI - used for display interface and sensor connectivity in Envision Kit demos |
| USB_VBUS, USB_DP, USB_DM | USB 2.0 Full-Speed transceiver interface | Enables direct connection to USB memory sticks for firmware loading (std.rsu/bench.rsu) without host PC |
| CTSU_S0–S15 | Capacitive touch sensing input channels | Supports up to 16 self-capacitive or mutual-capacitive touch buttons - drives the Envision Kit's touch display demo |
| SW2 (external button) | Dedicated user input for bank selection | Hardwired to P15_0; holding >3 seconds triggers bank swap and software reset per Envision Kit update flow |
| VDD, VSS | Core and I/O power supply pins | Separate analog/digital power domains with internal regulators - required for stable ADC and CTSU operation |
Key Features
| Feature | Design Value |
|---|---|
| Dual-bank flash with bank-swap capability | Enables zero-downtime firmware updates - critical for unattended industrial gateways using std.rsu/bench.rsu deployment model |
| ROM-based secure bootloader | Immutable first-stage loader validates signature and hash of std.rsu/bench.rsu before execution - prevents unauthorized firmware injection |
| Integrated CTSU peripheral | Eliminates external touch controller IC - reduces BOM cost and PCB area for HMI designs like the RX65N Envision Kit |
| Hardware crypto acceleration (AES/SHA/TRNG) | Offloads encryption tasks from CPU - maintains real-time responsiveness during TLS handshake or firmware decryption |
| USB 2.0 FS host mode | Allows direct reading of FAT32-formatted USB memory sticks - enables field technicians to update firmware without laptop or debug tools |
Applications
| Industrial HMI Panel | Secure Edge Gateway |
|---|---|
Use Scenario: Touch-enabled operator interface for PLC-controlled machinery with local firmware update capability. IC Role / Device Role / Timing Role: Main application processor executing GUI framework, managing capacitive touch inputs, and coordinating USB-based firmware updates via std.rsu. Use Value: Dual-bank flash and ROM bootloader ensure safe, recoverable updates - eliminating risk of bricking during field maintenance. | Use Scenario: Protocol translation gateway connecting Modbus RTU field devices to cloud MQTT brokers with encrypted telemetry. IC Role / Device Role / Timing Role: Secure runtime engine handling TLS stack, AES-encrypted payload wrapping, and CAN FD/Ethernet bridging. Use Value: Hardware crypto accelerators reduce CPU load by >65% during TLS 1.2 record encryption - preserving cycles for real-time protocol conversion. |
| Smart Energy Meter | Medical Device UI Controller |
Use Scenario: ANSI C12.19-compliant meter with tamper detection, secure firmware updates, and local display. IC Role / Device Role / Timing Role: Trusted execution environment hosting secure boot, cryptographic key management, and metrology data aggregation. Use Value: TRNG and SHA-256 support meet NIST SP 800-90A/B requirements for entropy and digital signatures in utility-grade firmware signing. | Use Scenario: Class II medical device with graphical LCD, touch navigation, and audit-trail logging. IC Role / Device Role / Timing Role: Safety-certifiable controller managing UI rendering, touch response, and encrypted log storage in data flash. Use Value: Parity-protected RAM and ECC flash satisfy IEC 62304 SW safety requirements for Class B software elements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 32-bit secure microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| R5F5651EDDFB#30 | Same RX65N family, identical pinout and peripherals, but with 4MB flash and 1MB RAM | Required for larger GUI frameworks or extended protocol stacks needing >2MB code space | Select when application firmware exceeds 2MB or requires additional data buffer space beyond 512KB RAM |
| R5F566TEADFP#30 | RX66T Group part; higher 160 MHz clock, enhanced PWM timers, no CTSU, different package (144-pin LQFP) | Targeted at motor control with real-time PWM generation - lacks touch and USB host needed for Envision Kit-style updates | Choose only for servo/inverter control where CTSU and USB host are unnecessary and higher PWM resolution is critical |
Compared with R5F56517ADFB#30, the R5F5651EDDFB#30 offers scalable memory for future firmware growth without layout change, while the R5F566TEADFP#30 trades touch/USB flexibility for deterministic motor timing - making R5F56517ADFB#30 optimal for secure, touch-enabled edge nodes requiring field-upgradable firmware.
Availability
R5F56517ADFB#30 is available at Aetrix Electronics and suitable for industrial HMI panels, secure edge gateways, and smart energy meters requiring stable component supply across multi-year production cycles.
Supply support for R5F56517ADFB#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 Corporation is a global semiconductor leader specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and IoT markets.
The RX65N Group - including R5F56517ADFB#30 - was designed specifically for secure, connected industrial HMI and edge node applications requiring robust firmware update mechanisms and hardware-enforced trust boundaries.
FAQ
What is the primary function of the R5F56517ADFB#30 in the RX65N Envision Kit?
The R5F56517ADFB#30 serves as the main application processor in the RX65N Envision Kit, executing both standard and benchmark demo firmware (std.rsu and bench.rsu). It manages capacitive touch input, USB memory stick enumeration, dual-bank firmware swapping, and display output - all coordinated through its integrated CTSU, USB FS host, and ROM bootloader. This makes R5F56517ADFB#30 central to the kit's field-upgrade demonstration flow.
Does the R5F56517ADFB#30 support secure boot, and how is it implemented?
Yes, the R5F56517ADFB#30 implements secure boot via a ROM-resident bootloader that validates digital signatures and SHA-256 hashes of firmware images (e.g., std.rsu) before loading. This immutable first-stage loader enforces chain-of-trust execution and prevents unsigned or tampered code from running. The R5F56517ADFB#30 leverages on-chip AES and TRNG to support key derivation and encrypted firmware decryption during boot - meeting IEC 62443-3-3 SL2 requirements.
Can the R5F56517ADFB#30 perform firmware updates without a host PC?
Yes, the R5F56517ADFB#30 supports standalone firmware updates using FAT32-formatted USB memory sticks. Its integrated USB 2.0 Full-Speed host controller reads *.rsu files directly, and the ROM bootloader verifies and installs them into the secondary flash bank. Holding SW2 for >3 seconds triggers bank swap and software reset - a process fully implemented in the R5F56517ADFB#30 without external debug tools or PC dependency.
What is the role of dual-bank flash in the R5F56517ADFB#30, and how does it relate to std.rsu and bench.rsu?
Dual-bank flash in the R5F56517ADFB#30 allows one bank to run active firmware while the other is reprogrammed - enabling atomic, fail-safe updates. In the RX65N Envision Kit, std.rsu loads into Bank 0 and bench.rsu into Bank 1. The R5F56517ADFB#30's bootloader validates each image and swaps banks on command, ensuring the system always boots from known-good firmware even if an update fails mid-process.
Is the R5F56517ADFB#30 pin-compatible with other RX65N Group MCUs?
Yes, the R5F56517ADFB#30 is pin-compatible with other 100-pin LQFP variants in the RX65N Group, including R5F5651EDDFB#30 and R5F56519ADFB#30. They share identical pin assignments for power, reset, clocks, USB, CTSU, and general-purpose I/O. This allows direct substitution within the same PCB layout when memory or peripheral requirements change - a key design flexibility confirmed in Renesas' RX65N Group hardware manual for R5F56517ADFB#30.
R5F56517ADFB#30 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 144-LQFP
- Series:
- RX651
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- RXv2
- Core Size:
- 32-Bit Single-Core
- Speed:
- 120MHz
- Connectivity:
- CANbus, EBI/EMI, Ethernet, I2C, LINbus, MMC/SD, QSPI, SCI, SPI, UART/USART, USB
- Peripherals:
- DMA, LVD, POR, PWM, WDT
- Number of I/O:
- 111
- Program Memory Size:
- 768KB (768K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 256K x 8
- Voltage - Supply (Vcc/Vdd):
- 2.7V ~ 3.6V
- Data Converters:
- A/D 29x12b; D/A 2x12b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
R5F56517ADFB#30 FAQ
1.How can I place an order for R5F56517ADFB#30 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F56517ADFB#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 R5F56517ADFB#30 reliable?
The price and inventory of R5F56517ADFB#30 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F56517ADFB#30 is usually 5 days.
3.What payment methods are accepted for R5F56517ADFB#30?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F56517ADFB#30 transactions.
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R5F56517ADFB#30 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F56517ADFB#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 R5F56517ADFB#30?
For technical support, including R5F56517ADFB#30 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F56517ADFB#30 requirements.
6.How does Aetrix verify that R5F56517ADFB#30 is sourced from the original manufacturer or authorized distributors?
All R5F56517ADFB#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 R5F56517ADFB#30 meets industry standards.
7.What is the process for return or replacement of R5F56517ADFB#30?
All R5F56517ADFB#30 units undergo pre-shipment inspection (PSI). If there is an issue with R5F56517ADFB#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 R5F56517ADFB#30 part is unused and in its original packaging.
Return procedure for R5F56517ADFB#30:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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