nRF52820 Product Specification

This Product Specification contains functional descriptions, register tables, and electrical specifications, and is organized into chapters based on the modules and peripherals that are available in this IC.

Note: The HTML rendition of the Product Specification corresponds to the latest version only. All versions are available as PDF files.

Features:
Bluetooth 5.1, IEEE 802.15.4-2006, 2.4 GHz transceiver -95 dBm sensitivity in 1 Mbps Bluetooth Low Energy mode -103 dBm sensitivity in 125 kbps Bluetooth Low Energy mode (long range) -20 to +8 dBm TX power, configurable in 4 dB steps On-air compatible with nRF52, nRF51, nRF24L, and nRF24AP Series Supported data rates: Bluetooth 5.1 – 2 Mbps, 1 Mbps, 500 kbps, and 125 kbps IEEE 802.15.4-2006 – 250 kbps Proprietary 2.4 GHz – 2 Mbps, 1 Mbps Angle-of-arrival (AoA) and angle-of-departure (AoD) direction finding using Bluetooth Single-ended antenna output (on-chip balun) 128-bit AES/ECB/CCM/AAR co-processor (on-the-fly packet encryption) 4.9 mA peak current in TX (0 dBm) 4.7 mA peak current in RX RSSI (1 dB resolution) Arm® Cortex®-M4 32-bit processor, 64 MHz 144 EEMBC CoreMark® score running from flash memory 33 µA/MHz running CoreMark from flash memory 33 µA/MHz running CoreMark from RAM Serial wire debug (SWD) Flexible power management 1.7 V to 5.5 V supply voltage range On-chip DC/DC and LDO regulators with automated low current modes Automated peripheral power management Fast wake-up using 64 MHz internal oscillator 0.3 µA at 3 V in System OFF mode, no RAM retention 1.2 µA at 3 V in System ON mode, no RAM retention, wake on RTC	256 kB flash and 32 kB RAM Advanced on-chip interfaces USB 2.0 full speed (12 Mbps) controller Programmable peripheral interconnect (PPI) 18 general purpose I/O pins EasyDMA automated data transfer between memory and peripherals Nordic SoftDevice ready with support for concurrent multiprotocol 64 level comparator Temperature sensor 4x 32-bit timer with Counter mode Up to 2x SPI master/slave with EasyDMA Up to 2x I²C compatible two-wire master/slave UART (CTS/RTS) with EasyDMA Quadrature decoder (QDEC) 2x real-time counter (RTC) Single crystal operation Operating temperature from -40 to 105 °C Package variants QFN40 package, 5 x 5 mm WLCSP package, 2.531 x 2.531 mm

Features:

Bluetooth 5.1, IEEE 802.15.4-2006, 2.4 GHz transceiver
- -95 dBm sensitivity in 1 Mbps Bluetooth Low Energy mode
- -103 dBm sensitivity in 125 kbps Bluetooth Low Energy mode (long range)
- -20 to +8 dBm TX power, configurable in 4 dB steps
- On-air compatible with nRF52, nRF51, nRF24L, and nRF24AP Series
- Supported data rates:
  - Bluetooth 5.1 – 2 Mbps, 1 Mbps, 500 kbps, and 125 kbps
  - IEEE 802.15.4-2006 – 250 kbps
  - Proprietary 2.4 GHz – 2 Mbps, 1 Mbps
- Angle-of-arrival (AoA) and angle-of-departure (AoD) direction finding using Bluetooth
- Single-ended antenna output (on-chip balun)
- 128-bit AES/ECB/CCM/AAR co-processor (on-the-fly packet encryption)
- 4.9 mA peak current in TX (0 dBm)
- 4.7 mA peak current in RX
- RSSI (1 dB resolution)
Arm® Cortex®-M4 32-bit processor, 64 MHz
- 144 EEMBC CoreMark® score running from flash memory
- 33 µA/MHz running CoreMark from flash memory
- 33 µA/MHz running CoreMark from RAM
- Serial wire debug (SWD)
Flexible power management
- 1.7 V to 5.5 V supply voltage range
- On-chip DC/DC and LDO regulators with automated low current modes
- Automated peripheral power management
- Fast wake-up using 64 MHz internal oscillator
- 0.3 µA at 3 V in System OFF mode, no RAM retention
- 1.2 µA at 3 V in System ON mode, no RAM retention, wake on RTC

256 kB flash and 32 kB RAM
Advanced on-chip interfaces
- USB 2.0 full speed (12 Mbps) controller
- Programmable peripheral interconnect (PPI)
- 18 general purpose I/O pins
- EasyDMA automated data transfer between memory and peripherals
Nordic SoftDevice ready with support for concurrent multiprotocol
64 level comparator
Temperature sensor
4x 32-bit timer with Counter mode
Up to 2x SPI master/slave with EasyDMA
Up to 2x I²C compatible two-wire master/slave
UART (CTS/RTS) with EasyDMA
Quadrature decoder (QDEC)
2x real-time counter (RTC)
Single crystal operation
Operating temperature from -40 to 105 °C
Package variants
- QFN40 package, 5 x 5 mm
- WLCSP package, 2.531 x 2.531 mm

Applications:
Advanced computer peripherals and I/O devices Mouse Keyboard Multi-touch trackpad	Internet of things (IoT) Smart home sensors and controllers Industrial IoT sensors and controllers Interactive entertainment devices Remote controls Gaming controllers