Renesas R5F565N7BDLK#20

Overview

R5F565N7BDLK#20 from Renesas Electronics is an RX65N Envision Kit - a hardware evaluation platform for the RX65N 32-bit microcontroller family, featuring a 120 MHz RXv2 CPU core, integrated 2 MB flash, 384 KB SRAM, and support for secure boot, capacitive touch, and USB host/device interfaces. It includes on-board debugging via E2 Lite, 4.3-inch resistive touchscreen, SD card slot, and Ethernet PHY.

For engineers reviewing the R5F565N7BDLK#20 datasheet, R5F565N7BDLK#20 pinout, R5F565N7BDLK#20 application, or R5F565N7BDLK#20 equivalent, this kit enables rapid validation of industrial HMI, secure firmware update workflows, real-time RTOS integration, and peripheral interface interoperability including CAN FD, USB, and Ethernet in embedded control designs.

Technical Context

The R5F565N7BDLK#20 implements dual-bank firmware update architecture with bank swap capability, enabling seamless over-the-air (OTA) or USB memory–based firmware updates without system downtime. It supports secure boot using AES-128 and SHA-256 verification of *.rsu firmware images signed by Renesas Secure Boot Key.

Hardware resources include an RX65N MCU in LFBGA-176 package, on-board ISL80103 3.3 V/1.5 A DC-DC regulator, TDA1517P audio amplifier, LAN8720A Ethernet PHY, and dedicated SW2 pushbutton for forced bank swap and SW1/SW4 DIP switches for boot mode selection (e.g., SW1-1 ON for bootloader download).

Key Specifications

Availability

R5F565N7BDLK#20 is available at Aetrix Electronics and suitable for industrial HMI development, secure firmware update validation, and RX65N-based RTOS evaluation requiring stable component supply and long-term design-in support.

Supply support for R5F565N7BDLK#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 specializing in microcontrollers, analog, power, and SoC solutions for automotive, industrial, and enterprise applications.

The RX65N Envision Kit product line targets rapid prototyping of secure, connected, and human-machine interface–enabled embedded systems using the RX65N MCU series with integrated security and rich peripheral sets.

FAQ

What is the R5F565N7BDLK#20 used for?

The R5F565N7BDLK#20 is a complete evaluation kit for the RX65N microcontroller, designed to accelerate development of secure, real-time embedded applications. It provides hardware access to all major peripherals - including Ethernet, USB, CAN FD, touchscreen, and SD card - and ships with preloaded standard and benchmark demo firmware. Engineers use the R5F565N7BDLK#20 to validate secure boot flows, dual-bank firmware updates, and RTOS integration before final PCB design.

How do I perform a firmware update on the R5F565N7BDLK#20?

Firmware updates on the R5F565N7BDLK#20 are initiated via USB memory stick containing *.rsu files (e.g., std.rsu or bench.rsu). Insert the USB stick, power-cycle the board with SW1-1 OFF/SW1-2 OFF/SW4-1 OFF, then press and hold SW2 for 3 seconds to trigger bank swap and software reset. The R5F565N7BDLK#20 bootloader automatically detects and installs the selected firmware image into the inactive bank.

Does the R5F565N7BDLK#20 support secure boot?

Yes, the R5F565N7BDLK#20 supports hardware-enforced secure boot using AES-128 decryption and SHA-256 signature verification of signed *.rsu firmware images. This functionality is implemented in the on-chip ROM bootloader and verified during every power-on reset. The R5F565N7BDLK#20 requires properly signed firmware binaries generated with Renesas Secure Boot Key tools to enable authenticated execution.

What debug interface does the R5F565N7BDLK#20 provide?

The R5F565N7BDLK#20 integrates an on-board E2 Lite debugger supporting SWD (Serial Wire Debug) protocol, eliminating the need for external debug probes. It enables full-featured debugging - including breakpoints, register inspection, and memory read/write - directly from e2 studio or CS+ IDE. The R5F565N7BDLK#20 also exposes SWD pins on the expansion header for external trace analysis if needed.

Can the R5F565N7BDLK#20 be used for CAN FD development?

Yes, the R5F565N7BDLK#20 includes a physical CAN FD transceiver (TJA1044GT) connected to the RX65N MCU's dedicated CAN FD controller. Developers can run CAN FD communication examples out-of-box using the provided benchmark firmware and evaluate bit rates up to 5 Mbps, flexible data-length payloads, and error handling behavior. The R5F565N7BDLK#20 schematic confirms direct routing of CANH/CANL signals to the transceiver with proper termination and filtering.