Features
Low-power radio performance
Sleep current consumption down to 900 nA
TX current consumption 6.8 mA (@ -2 dBm, 3.0 V)
RX current consumption 6.2 mA (@ sensitivity level, 3.0 V)
Up to +8 dBm programmable output power level (@ antenna connector)
Excellent RF link budget (up to 96 dB)
Integrated DC-DC step-down converter and LDO regulators
Bluetooth® 5.2 certified
Multi-master to multi-slave communication guaranteed
2 masters to 6 slaves simultaneously
Up to 8 simultaneous connections handled
LE data length extension (up to 700 kbps at application level)
Over-the-air firmware update is 2.5 times faster
LE Privacy 1.2
Reduces the ability to be tracked over a period of time by changing the
address on a frequent basis without involving the HOST and saving battery
life
LE secure connections
The pairing mechanism is established with the elliptic curve Diffie-
Hellman (ECDH) key agreement protocol enabling a secure key exchange
mechanism preventing eavesdropping
Applications
Watches
Fitness, wellness and sports
Consumer medical
Security/proximity
Remote control
Home and industrial automation
Assisted living
Mobile phone peripherals
Lighting
PC peripherals
Description
The BlueNRG-2N is an ultra low power (ULP) network coprocessor solution for
Bluetooth
®
low energy applications.
It embeds the STMicroelectronics’s state-of-the-art RF radio IPs combining
unparalleled performance with extremely long battery lifetime.
Product status link
BlueNRG-2N
Product summary
Order codes
BlueNRG-232N
BlueNRG-234N
Bluetooth® Low Energy wireless network coprocessor
BlueNRG-2N
Datasheet
DS13280 - Rev 4 - November 2021
For further information contact your local STMicroelectronics sales office.
www.st.com
It is fully compliant with Bluetooth core specification version 5.2 and supports
enhanced features such as state-of-the-art security, privacy, and extended packet
length for faster data transfer up to 700 kbps at application level.
The BlueNRG-2N is Bluetooth
®
5.2 certified ensuring interoperability with the latest
generation of smartphones and other host devices.
The Bluetooth low energy stack runs on the embedded ARM Cortex-M0 core.
The STMicroelectronics BLE stack is stored into the on-chip non-volatile Flash
memory and it can be easily upgraded via SPI/UART as well through the dedicated
STMicroelectronics software tools.
BlueNRG-2N
DS13280 - Rev 4
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