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Arm Cortex-M85 MCU Feather SoM

Overview

Description

In the fast-paced IoT and building automation world, reducing time-to-market is crucial. Open-source communities like Adafruit offer excellent resources and workflows for rapid prototyping, testing, and deployment. Adafruit's Feather development boards are flexible, portable, and stackable, making them ideal for building products and systems.

The Renesas Arm® Cortex®-M85 MCU Feather system-on-module (SoM) empowers developers with a compact, high-performance platform for building automation and industrial applications. Leveraging the Arm Cortex-M85 processor, it delivers superior processing power, real-time performance, and energy efficiency, perfect for sophisticated automation systems. This SoM can integrate with other boards featuring Bluetooth, Wi-Fi, or cellular connectivity, supported by extensive software communities like Adafruit.

System Benefits:

  • 480MHz Arm Cortex-M85 MCU provides significant processing power for high-demand tasks without compromising cost-effectiveness.
  • Ultra-fast bare metal programming ensures fast execution and efficient resource use, critical for real-time applications.
  • General-purpose Feather carrier board is versatile and compatible with a wide range of Feather modules for diverse projects and applications.
  • LiPo battery powered with a LiPo charger and a low-power design allows for battery-operated designs and power-efficient performance.
  • Small Feather form factor allows for compact designs and space efficiency.

Comparison

Applications

Block Diagram

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4:3 ratioConnector ArrowBi-directional.211Bi-directional.207Bi-directional.208Bi-directional.205Bi-directional.204Bi-directional.199Sheet.1Sheet.2Sheet.3Sheet.4EU206EU206EU206ETH ControllerETH ControllerETH Controller ETH ControllerETH ControllerETH ControllerCAN TRxCAN TRxCAN TRx ETH ConnectorETH ConnectorETH Connector ETH ConnectorETH ConnectorETH Connector CAN ConnectorCAN ConnectorCAN ConnectorCAN ConnectorCAN ConnectorCAN ConnectorHeadphone JackHeadphone JackHeadphone JackMicrophone JackMicrophone JackMicrophone Jack Pmod Type6 (I2C)Pmod Type6 (I2C)Pmod Type6 (I2C) Pmod Type2 (SPI)Pmod Type2 (SPI)Pmod Type2 (SPI) SD CardSD CardSD Card Barrel Jack ConnectorBarrel Jack ConnectorBarrel Jack Connector CAN TRxCAN TRxCAN TRxUser LEDUser LEDUser LEDNOR FlashNOR FlashNOR FlashCMOS CAM ConnectorCMOS CAM ConnectorCMOS CAM ConnectorJTAG ConnectorJTAG ConnectorJTAG ConnectorFeather SoMFeather SoMFeather SoMCustom Carrier BoardCustom Carrier BoardCustom Carrier BoardSheet.126Sheet.127Sheet.128Sheet.130Sheet.131Connector 1.1543.7V3.7V3.7V5V5V5V4.2V4.2V4.2VSheet.137Sheet.138Sheet.139Sheet.141Sheet.142Sheet.1433.3V3.3V3.3VSheet.159Connector 1.154.160I2CI2CI2CSheet.171Sheet.172Sheet.173Sheet.174Sheet.175Sheet.176Sheet.177Sheet.179Sheet.180Sheet.181Sheet.182Sheet.183Sheet.184Sheet.185Connector 1.154.186Connector 1.154.187Connector 1.154.188 5V5V5V 3.3V3.3V3.3V1.8V1.8V1.8VFTDIFTDIFTDILDO 1LDOLDOLiPo ChargerLiPo ChargerLiPo ChargerLiPo ConnectorLiPo ConnectorLiPo ConnectorUSB-C ConnectorUSB-C ConnectorUSB-C ConnectorLDO 3LDOLDOLDO 2LDOLDOBi-directionalSheet.140Bi-directional.198Bi-directional.200Audio CodecAudio CodecAudioCodecBi-directional.20912 + 16Pin Feather Connector12 + 16-Pin Feather Connector12 + 16-Pin Feather ConnectorConnector Line 12 + 16Pin Feather Connector12 + 16-Pin Feather Connector12 + 16-Pin Feather ConnectorSheet.215MCUMCUMCUUARTUARTUARTQSPIQSPIQSPICEUCEUCEUJTAGJTAGJTAGSPISPISPII2CI2CI2CSDSDSDGPIOGPIOGPIO
Exiting Interactive Block Diagram

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The RA8M1 allows you to achieve the full potential of a real-time operating system (RTOS) while leveraging the performance boost provided by the 64-bit Arm® Cortex®-M85 CPU core with a maximum operating frequency of 480MHz. Besides the processor, the Feather SoM contains the classic Feather features: GPIOs (analog and digital), I2C and SPI communication pins, UART pins, a LiPo battery power plug, and the USB programming port. The SoM also features a USB Type-C for powering the board and for USB debug upload.

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