nRF52820
BLE 5.4 and 802.15.4 SoC with USB 2.0 Full Speed and 256KB Flash. Bridges BLE/Thread wireless with USB at lower cost than the nRF52840.
prj.conf, CMakeLists.txt, Devicetree overlays) targeting this MCU.BLE 5.4 and 802.15.4 SoC with USB 2.0 Full Speed and 256KB Flash. Bridges BLE/Thread wireless with USB at lower cost than the nRF52840.
Specifications
| Spec | Value |
|---|---|
| Flash | 256KB |
| Ram | 32KB |
| Core | ARM Cortex-M4 |
| MaxClock | 64 MHz |
| Gpio | 32 |
Wireless Protocols
ble, 802.15.4, 2.4ghz-proprietary, usb
Hardware Features
arm-cortex-m4, usb-2.0, low-power, adc, spi, i2c, uart
Vendor
Nordic Semiconductor — SDKs: nRF Connect SDK, Zephyr RTOS
Recommended Use Cases
Smart Lock
Bluetooth-enabled smart door lock with secure access control, supporting mobile app unlocking, guest access codes, and activity logging.
Point of Sale Terminal
Compact payment terminal with secure element integration, NFC/contactless reader, display, and cellular/WiFi connectivity for mobile commerce.
Ready-Made Solutions
nRF52811
BLE 5.4 SoC with optional 802.15.4 and ANT support plus long-range mode (Coded PHY). Extends nRF52810 with Thread and extended-range BLE capability.
nRF52833
Full-featured BLE 5.4 + 802.15.4 SoC with 512KB Flash, 128KB RAM, USB, and NFC. Offers extended-range BLE (Coded PHY) and mid-range capability between nRF52832 and nRF52840.