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Scalable SMARC 2.1 Gateway SoM with RISC-V MPU

Overview

Description

As Industrial Internet of Things (IIoT) systems expand, there's a growing demand for compact, modular gateway designs that support high-performance processing while maintaining low power consumption. The Smart Mobility Architecture (SMARC) 2.1 standard is increasingly preferred for IoT gateway designs due to its flexibility and ability to integrate key features like communication interfaces, display support, and optimized power management into a small form factor. It offers a modular approach to system design, enabling accelerated time to market.

This System-on-Module (SoM) design, compliant with SMARC 2.1, utilizes the powerful Renesas RZ/Five MPU and a full power and timing tree. It is optimized for IIoT gateways, providing low power consumption, communication interface support (Gigabit Ethernet, CAN, USB 2.0), and compatibility with sensor networks. Its support for a single clock generator and single power supply streamlines the design process, enabling faster development and a compact footprint.

System Benefits​:

  • Single-core configurations with a RISC-V CPU core deliver efficient processing power with low energy usage, making it ideal for IIoT gateways requiring continuous operation.
  • The Linux operating system provides a widely supported development environment, accelerating application development and ensuring compatibility with existing systems.
  • A single programmable clock generator and single power supply for MCU processing reduce design complexity and component count, minimizing the footprint for space-constrained industrial applications.
  • Extensive communication interface support (Gigabit Ethernet, CAN, USB 2.0) ensures seamless connectivity with a wide range of IIoT devices.
  • Low-cost logic ICs meet the SMARC standard requirements with minimal space, enabling a cost-effective, compact design that adheres to industry standards for reliable operation.

Comparison

Applications

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4:3 ratioSheet.1Sheet.2Sheet.3Sheet.4US244US244US244Boot Logic/SD SelectBoot Logic/SD SelectBoot Logic/SD SelectPower/RESET LogicPower/RESET LogicPower/RESET LogicLevel ShifterLevel ShifterLevel ShifterPower / Reset / Boot SWPower / Reset / Boot SWPower / Reset / Boot SWInterfacesInterfacesInterfacesUSB LogicUSB LogicUSB LogicClockClockClockEthernet PHYEthernet PHYEthernet PHY Ethernet PHYEthernet PHYEthernet PHY LDOLDOLDOuSDuSDuSDeMMCeMMCeMMCQSPIQSPIQSPI DDR4DDR4DDR4DDR VTT Power PGOODDDR VTT Power PGOODDDR VTT Power PGOODSheet.56Sheet.57Sheet.58Sheet.59Sheet.60Sheet.61Sheet.62Sheet.63Sheet.64Sheet.65Sheet.66Sheet.67Sheet.68Sheet.69Sheet.70Sheet.71Sheet.72Sheet.73Sheet.74Sheet.76Sheet.77Sheet.80Sheet.81Sheet.82Sheet.83Sheet.84Sheet.85Sheet.86Sheet.87Sheet.88Sheet.89Sheet.91Sheet.92Sheet.93Sheet.94Sheet.95Sheet.96Sheet.97Sheet.98Sheet.99Sheet.100Sheet.101Sheet.103Sheet.104Sheet.105Sheet.106Sheet.107Sheet.108Sheet.109Sheet.110Sheet.111Sheet.112Sheet.113Sheet.114Sheet.115Sheet.116Sheet.117Sheet.118Sheet.119Sheet.120Sheet.121Sheet.122Sheet.123Sheet.124Sheet.125Sheet.126Sheet.127Sheet.128Sheet.129Sheet.130Sheet.131Sheet.132Sheet.134Sheet.135Sheet.136Sheet.137Sheet.138Sheet.139Sheet.140Sheet.141Sheet.142Sheet.143Sheet.144Sheet.145Sheet.146Sheet.147Sheet.148Sheet.149Sheet.150Sheet.151 RTCRTCRTCVINVINVINSheet.163Connector 1.166Connector 1.166.167Connector 1.166.168Connector 1.166.169Connector 1.166.170Sheet.173Connector 1.166.174Connector 1.166.175Connector 1.166.176Connector 1.166.177Sheet.178Sheet.179Sheet.181Sheet.182VTT (0.5*VDDQ)VTT (0.5*VDDQ)VTT (0.5*VDDQ)DDR VPP (2.5V)DDR VPP (2.5V)DDR VPP (2.5V)Vcore (1.1V)Vcore (1.1V)Vcore (1.1V)VDDQ (1.2V)VDDQ (1.2V)VDDQ (1.2V)D3.3V (3.3V)D3.3V (3.3V)D3.3V (3.3V)SD Card1 (1.8V / 3.3V)SD Card1 (1.8V/3.3V)SD Card1 (1.8V/3.3V)EtherD (1.8V / 2.5 / 3.3V)EtherD (1.8V/2.5/3.3V)EtherD (1.8V/2.5/3.3V)D1.8V (1.8V)D1.8V (1.8V)D1.8V (1.8V)SD Card1 (1.8V / 3.3V).192SD Card1 (1.8V/3.3V)SD Card1 (1.8V/3.3V)Connector 1.166.193VTTVTTVTTConnector 1.166.19524MHz24MHz24MHzAudioAudioAudioAudioAudioAudio RTCRTCRTC AudioAudioAudio 25MHz, 3.3V.20325MHz/3.3V25MHz/3.3V 25MHz, 3.3V25MHz/3.3V25MHz/3.3VCarrier BoardCarrier BoardCarrier BoardSheet.208MPUMPUMPU QSPIQSPIQSPIMMC*MMC*MMC* Ether MACEther MACEther MAC Ether MACEther MACEther MACEXTALEXTALEXTAL DBSCDBSCDBSC USB 2.0USB 2.0USB 2.0USB 2.0USB 2.0USB 2.0 SSISSISSISDHI*/USB UARTSDHI*/USB UARTSDHI*/USB UART I2C / UARTI2C / UARTI2C / UART SPISPISPI I2CI2CI2CCANCANCAN UARTUARTUART SDHISDHISDHISheet.209PMICPMICPMICLDO1LDO1LDO1Buck1Buck1Buck1Buck2Buck2Buck2Buck3Buck3Buck3LD03LD03LD03LD04LD04LD04RTCRTCRTCBuck4Buck4Buck4WTDWTDWTDLD02LD02LD02I2CI2CI2CGPIOGPIOGPIONRESETNRESETNRESETBuck_VINBuck_VINBuck_VINNRESETREQNRESETREQNRESETREQ
Exiting Interactive Block Diagram

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