SparkFun MicroMod nRF52840 Processor

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  • SFES-WRL-16984
  • WRL-16984
Featuring the nRF52840 SoC from Nordic Semiconductor, the SparkFun MicroMod nRF52840 Processor... more
Product information "SparkFun MicroMod nRF52840 Processor"

Featuring the nRF52840 SoC from Nordic Semiconductor, the SparkFun MicroMod nRF52840 Processor offers a powerful combination of ARM Cortex-M4 CPU and 2.4 GHz Bluetooth transceiver in the MicroMod form-factor with the M.2 MicroMod connector to allow you to plug in a compatible MicroMod Carrier Board with any number of peripherals.

The MicroMod nRF52840 Processor features the same Raytac MDBT50Q-P1M found on our Pro nRF52840 Mini. This module includes an integrated trace antenna, fits the IC to an FCC-approved footprint along with including decoupling and timing mechanisms that would need to be designed into a circuit using the bare nRF52840 IC. The Bluetooth transceiver included on the nRF52840 boasts a BT 5.1 stack and supports Bluetooth 5, Bluetooth mesh, IEEE 802.15.4 (Zigbee & Thread) and 2.4Ghz RF wireless protocols (including Nordic's proprietary RF protocol) allowing you to pick which option works best for your application.

We've also routed two I2C buses, 2 SPI buses, eleven GPIO, dedicated digital, analog, PWM & PDM pins along with multiple serial UARTS to cover nearly all of your peripheral needs.

 Features

nRF52840 General Features:

  • ARM Cortex-M4 CPU with floating point unit (FPU)
    • 1MB internal Flash -- For all of your program, SoftDevice, and file-storage needs!
    • 256kB internal RAM -- For your stack and heap storage.
  • Integrated 2.4GHz radio with support for:
    • Bluetooth Low Energy (BLE) -- With peripheral and/or central BLE device support
    • Bluetooth 5 -- Mesh Bluetooth!
    • ANT -- If you want to turn the device into a heart-rate or exercise monitor.
    • Nordic's proprietary RF protocol -- If you want to communicate, securely, with other Nordic devices.
  • Every I/O peripheral you could need
    • USB -- Turn your nRF52840 into a USB mass-storage device, use a CDC (USB serial) interface, and more. This is a big add compared to the nRF52832!
    • UART -- Serial interfaces with support for hardware flow-control if desired.
    • I2C -- Everyone's favorite 2-wire bi-directional bus interface
    • SPI -- If you prefer the 3+-wire serial interface
    • Analog-to-digital converters (ADC) -- Eight pins on the nRF52840 Mini Breakout support analog inputs
    • PWM -- Timer support on any pin means PWM support for driving LEDs or servo motors.
    • Real-time clock (RTC) -- Keep close track of seconds and milliseconds, also supports timed deep-sleep features.

Specific Peripherals available on MicroMod nRF52840:

  • Three UARTs
    • Primary tied to USB interface. Two hardware UARTs.
  • Two I2C Buses
  • Two SPI Buses
    • Secondary SPI Bus primarily used for Flash IC
  • PDM Audio Processing
  • Two Analog Inputs
  • Two Dedicated Digital I/O Pins
  • Two Dedicated PWM Pins
  • Eleven General Purpose I/O Pins
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