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nRF52820

Wireless SoC by Nordic Semiconductor

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The nRF52820 from Nordic Semiconductor is a Bluetooth 5.2 System-on-Chip (SoC) offering USB and advanced wireless connectivity in a small package, for HID, smart home, commercial, and industrial applications. The 2.4 GHz multiprotocol radio provides up to 8 dBm output power and has a receiver sensitivity of -95 dBm. It supports all Bluetooth Low Energy features, including Direction Finding, high-throughput 2 Mbps, Long Range, and all Bluetooth 5.2 features. It also supports Bluetooth mesh, Thread and Zigbee mesh protocols.

The nRF52820 features a 64-MHz Arm Cortex-M4 processor. It has 256 KB Flash memory and 32 KB RAM, and a range of analog and digital interfaces such as an analog comparator, UART, SPI, TWI, QDEC, and USB. This SoC can be supplied with a voltage from 1.7 to 5.5 V, which enables powering the device from sources such as rechargeable batteries or via USB. It is available in a 5 x 5 mm OFN-40 package with 18 GPIOs.

The nRF52820 is supported by three Bluetooth LE protocol stacks, SoftDevice S112, S122, and S140. Its USB peripheral implements a full-speed USB 2.0 device that offers a widely-used interface to enable low-latency and high-bandwidth communication with a range of hosts, such as PCs, tablets, smartphones, and gateways. This SoC also includes the option of performing device firmware updates (DFU) over USB. When connected to a USB host, the nRF52820 can be directly powered by the always-present 5 V VBUS signal.

Product Specifications

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Product Details

  • Part Number
    nRF52820
  • Manufacturer
    Nordic Semiconductor
  • Description
    Bluetooth 5.2 SoC with Built-in USB for BLE, Bluetooth Mesh, Thread and Zigbee

General Parameters

  • Application
    Gateways, Network Processor, Asset Tracking, Advanced Beacons, Bluetooth LE USB Dongle, Bluetooth LE Mouse, Bluetooth LE Keyboard
  • Technology
    802.15.4 + Zigbee, Bluetooth, Thread
  • Frequency
    2.4 GHz
  • Bluetooth Standard
    Bluetooth V5.2
  • Bluetooth Low Energy
    Yes
  • Data Rate
    125 kbps to 2 Mbps
  • Output Power
    8 dBm
  • Sensitivity
    -103 to -95 dBm
  • Voltage
    1.7 to 5.5 V
  • Current Rx
    4.7 mA
  • Current Tx
    4.9 mA
  • Flash
    256 kB
  • GPIOs
    18 ports
  • Interface
    SPI, UART, USB, GPIO
  • Mesh
    Yes
  • RAM
    32 kB
  • Dimension
    5 x 5 mm
  • Package
    QFN40
  • Operating Temperature
    -40 to 105 Degree C

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