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Low-Cost Real-Time Industrial Ethernet Switch

Overview

Industrial customers often require real-time Ethernet solutions, commonly referred to as industrial Ethernet. Common standards include EtherCAT®, Powerlink, Sercos III, PROFINET®, Modbus TCP, and others. Renesas offers a complete industrial Ethernet switch design powered by a single 24VDC supply, ideal for mid-range applications such as factory automation or robotics, with support for up to five Ethernet ports.

System Benefits​:

  • Up to 5x Ethernet
  • Multiple industrial Ethernet protocols supported
  • PROFINET, Ethernet/IP™, EtherCAT
  • Integrated QSPI flash
  • Only 1x 24VDC (9V to 48V) supply required
  • All other rails are generated internally
  • Only two components are needed to power the whole application
  • Board space is reduced

Block Diagram

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Template 1 Sheet.62 Sheet.53 Sheet.54 Sheet.55 Sheet.56 Sheet.57 Sheet.58 Sheet.59 Connector Line Connector Line.61 EU013 EU013 EU013 Ethernet PHY #1 Ethernet PHY #1 Ethernet PHY #1 Ethernet PHY #2 Ethernet PHY #2 Ethernet PHY #2 Ethernet PHY #3 Ethernet PHY #3 Ethernet PHY #3 Ethernet PHY #4 Ethernet PHY #4 Ethernet PHY #4 Ethernet PHY #5 Ethernet PHY #5 Ethernet PHY #5 Bi-directional Connector Arrow Bi-directional.37 Bi-directional.38 Bi-directional.39 Bi-directional.40 Bi-directional.41 7 Label Text 10pt.1046 7 7 Sheet.46 Connector Arrow.47 Connector Arrow.48 Connector Arrow.49 1.15V 1.15V max 1.5A 1.15Vmax 1.5A 3.3V 3.3V max 5A 3.3Vmax 5A Connector 1.160 Connector 1.160.64 Connector Arrow.65 Connector 1.66 Connector Arrow.67 2.4V 2.4V (9 to 48V) 2.4V(9 to 48V) Buck Regulator Buck Regulator Buck Regulator Buck-Regulator Buck Regulator Buck Regulator MPU MPU MPU MPU Ethernet #1 Ethernet #1 Ethernet #1 Ethernet #2 Ethernet #2 Ethernet #2 Ethernet #3 Ethernet #3 Ethernet #3 Ethernet #4 Ethernet #4 Ethernet #4 Ethernet #5 Ethernet #5 Ethernet #5 QSPI QSPI QSPI R-In Engine Hardware Asselerator R-In Engine Hardware Asselerator R-In Engine Hardware Asselerator Int. Osc. 40MHz Int. Osc. 40MHz Int. Osc. 40MHz VDD33 VDD33 VDD33 VDD11 VDD11 VDD11 Flash QSPI Flash QSPI Flash QSPI Flash QSPI VCC VCC VCC

Buck Regulator

Buck Regulators (Integrated FETs)

Buck Regulator

Buck Regulators (Integrated FETs)

MPU

RZ 32 & 64-Bit MPUs

Flash QSPI

SPI NOR Flash

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