IC RF TxRx + MCU 802.15.4, Bluetooth Bluetooth v5.0, Thread, Zigbee® 2.4GHz 48-VFQFN Exposed Pad
The NRF52840-QFAA-F-R belongs to Nordic’s nRF52 series and supports multiple wireless standards including Bluetooth 5, Bluetooth Low Energy (BLE), Thread, Zigbee, ANT, and proprietary 2.4 GHz protocols. It features a 64 MHz ARM Cortex-M4F CPU with floating-point unit (FPU), making it suitable for both wireless communication and real-time embedded processing.
The device integrates large memory resources, rich peripherals, USB support, NFC capability, and advanced security features, reducing the need for external components in wireless embedded designs.
Key Features
32-bit ARM Cortex-M4F processor running at 64 MHz
1 MB Flash memory and 256 KB RAM
Supports Bluetooth 5 / BLE, Thread, Zigbee, ANT, and proprietary 2.4 GHz protocols
IEEE 802.15.4 compliant radio
Up to +8 dBm TX output power
High receiver sensitivity down to −103 dBm
Data rates up to 2 Mbps
Ultra-low power consumption for battery-powered applications
USB 2.0 Full-Speed controller
NFC-A tag support
Multiple communication interfaces:
SPI
UART
I2C (TWI)
I2S
PWM
PDM
ADC
Up to 48 GPIOs
Integrated ARM CryptoCell-310 security engine
Operating voltage range: 1.7 V to 5.5 V
Operating temperature: −40°C to +85°C
Compact 48-QFN (6×6 mm) package
Typical Applications
BLE devices
Smart home products
Wearables
Wireless sensors
Industrial IoT
HID devices (keyboard/mouse)
Asset tracking
Mesh networking devices
USB dongles and gateways
PCB Design Notes
Community PCB reviews commonly recommend:
Proper RF grounding and 50-ohm antenna routing
Using ESD/TVS protection on USB lines
Keeping RF matching components close to the antenna
Using solid ground planes for 2.4 GHz performance
#CommonPartsLibrary #IntegratedCircuit #RF
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