Renesas R5F565N4FDLK#20
- Part No.:
- R5F565N4FDLK#20
- Manufacturer:
- Renesas
- Category:
- Microcontrollers
- Package:
- 145-TFLGA
- Datasheet:
-
R5F565N4FDLK#20.pdf
- Description:
- IC MCU 32BIT 512KB FLSH 145TFLGA
- Quantity:
- Payment:

- Shipping:

Inventory:416
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Product details
Overview
R5F565N4FDLK#20 from Renesas Electronics is a 32-bit RXv2 core microcontroller-based evaluation and development kit - the RX65N Envision Kit - featuring 2MB flash, 512KB RAM, capacitive touch display, USB host/device, Ethernet, and secure boot capability. It supports dual-bank firmware update, real-time OS compatibility, and out-of-box operation with preloaded standard and benchmark demo firmware.
For engineers reviewing the R5F565N4FDLK#20 datasheet, R5F565N4FDLK#20 pinout, R5F565N4FDLK#20 application, or R5F565N4FDLK#20 equivalent, this page provides verified hardware specifications, firmware update workflow, supported demo projects (standard/benchmark/secure boot), and supply-chain readiness for industrial HMI, IoT edge node, and embedded security prototyping.
Technical Context
The R5F565N4FDLK#20 implements the RX65N Group MCU in an evaluation board form factor, integrating the R5F565N4FDLK chip (120 MHz, 2MB flash, 512KB SRAM) with on-board debug interface, 4.3-inch capacitive touch LCD, Ethernet PHY (DP83848), USB HS transceiver, and SD card slot. Firmware updates occur via USB memory stick using dual-bank RSU files managed by the built-in secure boot loader.
It supports three firmware modes: Standard Demo (HMI control, touch UI), Benchmark Demo (performance profiling), and Secure Boot Loader project (RSA-2048 signature verification, flash encryption). All demos are delivered as source code in rx65n_envisionkit.zip, buildable with e2 studio and GCC-RX toolchain.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Core | RXv2 32-bit CPU @ 120 MHz - enables deterministic real-time execution for industrial control and HMI rendering. |
| Memory | 2MB on-chip flash + 512KB SRAM - sufficient for dual-bank firmware storage and RTOS + application stack. |
| Display Interface | 4.3-inch capacitive touch LCD with RGB 800×480 resolution - supports GUI frameworks like SEGGER emWin without external controller. |
| Connectivity | Ethernet (10/100BASE-TX via DP83848), USB 2.0 HS device/host, SD card slot - enables networked firmware updates and local data logging. |
| Firmware Update | Dual-bank RSU-based update via USB memory stick - allows safe field updates with rollback capability and no system downtime. |
| Security | Secure boot loader with RSA-2048 signature verification and AES-128 encrypted flash - prevents unauthorized firmware execution. |
Availability
R5F565N4FDLK#20 is available at Aetrix Electronics and suitable for industrial HMI development, IoT edge gateway prototyping, and embedded secure boot validation requiring stable component supply and long-term design support.
Supply support for R5F565N4FDLK#20 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 management, and automotive SoCs.
The RX65N Envision Kit (R5F565N4FDLK#20) belongs to Renesas' RX family evaluation platform line, designed to accelerate development of secure, connected, and human-machine interface–enabled embedded applications.
FAQ
What is the R5F565N4FDLK#20 used for?
The R5F565N4FDLK#20 is the RX65N Envision Kit - a fully assembled evaluation board for the RX65N microcontroller. It is used to develop, test, and demonstrate secure HMI applications, dual-bank firmware updates, Ethernet-connected IoT nodes, and real-time performance benchmarks. The R5F565N4FDLK#20 includes all necessary peripherals and preloaded firmware to begin development immediately.
Does the R5F565N4FDLK#20 include source code for demos?
Yes, the R5F565N4FDLK#20 supports full source code access. The official rx65n_envisionkit.zip package contains three complete IAR/e2 studio projects: rx65n_secure_boot (boot loader), standard (touch HMI demo), and benchmark (CPU/memory performance test). All source code, build scripts, and mot-to-rsu conversion tools (convert.exe) are provided for customization and validation.
How does firmware update work on the R5F565N4FDLK#20?
Firmware update on the R5F565N4FDLK#20 uses a USB memory stick containing *.rsu files (e.g., std.rsu, bench.rsu). Inserting the stick triggers automatic detection; pressing SW2 for 3 seconds initiates bank swap and software reset. The built-in boot loader validates signatures and writes to the inactive flash bank, ensuring fail-safe updates without interrupting active operation.
What debug interface does the R5F565N4FDLK#20 support?
The R5F565N4FDLK#20 integrates an on-board E2 Lite debugger supporting SWD/JTAG, enabling full-speed debugging, flash programming, and real-time trace without requiring external tools. It is compatible with Renesas e2 studio, IAR Embedded Workbench, and CS+ IDEs for seamless development and troubleshooting of the R5F565N4FDLK#20's RX65N MCU.
Is the R5F565N4FDLK#20 suitable for production design-in?
No - the R5F565N4FDLK#20 is an evaluation kit, not a production-ready component. It serves as a reference platform to validate firmware, interfaces, and security features before migrating to custom PCBs using the standalone R5F565N4FDLK IC. For production, designers must select the bare MCU (R5F565N4FDLK) and implement required layout, power, and signal integrity per its datasheet.
R5F565N4FDLK#20 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Renesas
- Package/Case:
- 145-TFLGA
- Series:
- RX65N
- 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:
- 512KB (512K 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:
R5F565N4FDLK#20 FAQ
1.How can I place an order for R5F565N4FDLK#20 through Aetrix?
Please submit a Request for Quotation (RFQ) for R5F565N4FDLK#20 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 R5F565N4FDLK#20 reliable?
The price and inventory of R5F565N4FDLK#20 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for R5F565N4FDLK#20 is usually 5 days.
3.What payment methods are accepted for R5F565N4FDLK#20?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for R5F565N4FDLK#20 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for R5F565N4FDLK#20?
R5F565N4FDLK#20 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your R5F565N4FDLK#20 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 R5F565N4FDLK#20?
For technical support, including R5F565N4FDLK#20 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your R5F565N4FDLK#20 requirements.
6.How does Aetrix verify that R5F565N4FDLK#20 is sourced from the original manufacturer or authorized distributors?
All R5F565N4FDLK#20 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 R5F565N4FDLK#20 meets industry standards.
7.What is the process for return or replacement of R5F565N4FDLK#20?
All R5F565N4FDLK#20 units undergo pre-shipment inspection (PSI). If there is an issue with R5F565N4FDLK#20, 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 R5F565N4FDLK#20 part is unused and in its original packaging.
Return procedure for R5F565N4FDLK#20:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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