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Renesas RZ/N2L 3-Port Gigabit Ethernet Switch

64-Bit & 32-Bit Arm®-Based High-End MPU Enables Various Industrial Applications to Easily Implement Industrial Ethernet and TSN

Renesas RZ/N2L is an Ethernet communication microprocessor (MPU) that enables customers to easily implement industrial Ethernet and TSN in various IoT and industrial applications like drives, gateways, remote IO and more. The RZ/N2L has functions such as an advanced 3-port Gigabit Ethernet switch with TSN, EtherCAT® slave controller, and supports major industrial Ethernet protocols such as EtherCAT, PROFINET RT/IRT, EtherNet/IP™, and OPC UA.

The Renesas RZ/N2L is optimized for network companion chip use-cases. It easily connects to existing systems through its parallel or serial host interface without requirement of major changes. The real-time protocol is managed by its Arm® Cortex®-R52 core with a maximum operating frequency of 400MHz and large on-chip RAM with ECC, unloading the application CPU. Thanks to its rich peripheral functions such as PWM timer, delta-sigma (ΔΣ) interface, ADC, and more the device also realizes applications like remote I/O, sensor-hub systems, inverter, and gateway as a single chip.

A rich software support package with peripheral drivers and many application examples enables rapid evaluation and prototyping.


  • _Arm® Cortex®-R52, maximum operating frequency 400MHz
  • Memory:
    • Tightly coupled memory 256KB (with ECC)
    • Internal RAM 1.5MB (with ECC)
  • Advanced Ethernet L2 switch:
    • 3 external ports with Gigabit support
    • TSN support (IEEE 802.1AS-2020, IEEE 802.1Qbv/802.3br, IEEE 802.1Qbu, etc.)
    • Network redundancy support (DLR, PRP)
  • EtherCAT slave controller
  • Industrial Ethernet: EtherCAT®, PROFINET® RT/IRT, EtherNet/IP™, OPC UA, etc.
  • Host I/F (parallel/serial/Dual/Quad/Octa)
  • Memory I/F (Octa-/Quad SPI/HyperRAM/HyperFLASH/SRAM/SDRAM)
  • PWM timer: up to 60ch (3-phase complementary output supported)
  • Trigonometric function accelerator
  • ADC: 12-bit x 2 units
  • ΔΣ I/F: 6ch
  • UART: 6ch
  • CAN: 2ch
  • I2C: 3ch
  • Package: 225-pin FBGA, 121-pin FBGA
  • Voltage: Core 1.1V, I/O 3.3V, 1.8V


  • AC Servo Solution
  • Gigabit Industrial Ethernet System-on-Module (SoM) Solution
  • [RZ/A, RZ/G, RZ/N, RZ/T MPU] Macronix Boot Code Integrity OTA Function
  • Remote I/O
  • Sensor hub
  • Industrial gateway
  • Industrial motor drive
  • Inverter
  • AC servo
  • Industrial Ethernet unit/module, etc.

End Products:

  • Industrial robots
  • Machine tools
  • Semiconductor manufacturing equipment
  • Material handling equipment
  • Industrial network system

RZ/N2L Block Diagram

Renesas — RZ/N2L Block Diagram


Renesas Starter Kit+ for RZ/N2L

Renesas Starter Kit+ for RZ/N2L is for evaluation or development using the RZ/N2L MPU.

With the on-board emulator, you can start evaluation by simply connecting the bundled cable with your PC. This product has rich functional ICs such as Gigabit Ethernet PHY and Octal Flash, you can fully evaluate functions without an extension board.

The evaluation board can be powered directly from the USB port of the user’s computer or from a 1632-coin cell battery to enable fully autonomous (untethered) data logging.

Renesas — Starter Kit+ for RZ/N2L

Renesas Starter Kit+ for RZ/N2L Quick Start Guide

This RSK+ provides an evaluation of the following features:

  • Renesas microprocessor programming
  • User code debugging
  • User circuitries such as switches, LEDs and a potentiometer
  • Sample applications
  • The RSK+ contains all the circuitry required for microprocessor operation.


  • IAR Embedded Workbench for Arm made by IAR
  • e2studio made by Renesas

Sample SW

  • Driver, RTOS, etc
  • Industrial Ethernet Protocol Stack


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