New Product Introduction

Nordic Semiconductor nRF52820

nRF52820 - Bluetooth 5.2 SoC with built-in USB supporting Bluetooth Low Energy, Bluetooth mesh, Thread and Zigbee

Nordic Semiconductor n52820 - front and partial back side od the SoC

The nRF52820 is a System-on-Chip (SoC) offering USB and advanced wireless connectivity in a small package, for HID, smart home, commercial, and industrial applications.

The nRF52820 features an Arm Cortex-M4 processor, clocked at 64 MHz. It has 256 KB Flash and 32 KB RAM, and a range of analog and digital interfaces such as an analog comparator, UART, SPI, TWI, QDEC, and last but not least, USB. It 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. The 2.4 GHz multiprotocol radio is fully featured and provides up to +8 dBm output power.

nRF52820 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's USB peripheral implements a Full Speed USB 2.0 device that offers a widely-used interface that enables low-latency and high-bandwidth communication with a range of hosts, such as PCs, tablets, smartphones, and gateways. It also adds 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.

The nRF52820 is supported by three Bluetooth LE protocol stacks, SoftDevice S112, S122 and S140. SoftDevice S122 is a new memory-optimized central stack, released as an alpha for the nRF52820. The nRF52833 DK is the recommended development kit, it emulates the nRF52820, and can be used as a starting point for development before moving over to a custom board.

 

Key features

  • 64 MHz Arm Cortex-M4
  • 256 KB Flash, 32 KB RAM
  • 2 Mbps, 1 Mbps, Long Range
  • Bluetooth Low Energy
  • Bluetooth Direction Finding
  • Bluetooth mesh
  • Thread, Zigbee
  • +8 dBm TX power
  • 128-bit AES
  • UART, SPI, TWI, QDEC
  • Full Speed USB 2.0
  • -40 to 105 °C extended temperature range
  • 1.7 to 5.5 V supply voltage

 

Applications

  • Advanced beacons
  • HID
  • Bluetooth LE USB dongle
  • Bluetooth LE mouse
  • Bluetooth LE keyboard
  • Smart home
  • Mesh networks
  • Professional lighting
  • Asset tracking
  • Real-time locating systems
  • Network processor
  • Gateways

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