BLUENRG-LP datasheet(3/72 Pages) STMICROELECTRONICS

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Mobile phone peripherals

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Description

The BlueNRG-LP is an ultra-low power programmable Bluetooth® Low Energy

wireless SoC solution. It embeds STMicroelectronics’s state-of-art 2.4 GHz RF radio

IPs combining unparalleled performance with extremely long-battery lifetime. It is

compliant with Bluetooth® Low Energy SIG core specification version 5.2 addressing

point-to-point connectivity and Bluetooth Mesh networking and allows large-scale

device networks to be established in a reliable way. The BlueNRG-LP is also suitable

for 2.4 GHz proprietary radio wireless communication to address ultra-low latency

applications.

The BlueNRG-LP embeds a Cortex®-M0+ microcontroller that can operate up to 64

MHz and also the BlueNRG core coprocessor (DMA based) for Bluetooth Low

Energy timing critical operations.

The main Bluetooth® Low Energy 5.2 specification supported features are:

2 Mbps data rate, long range (Coded PHY), advertising extensions, channel selection

algorithm #2, GATT caching, hardware support for simultaneous connection, master/

slave and multiple roles simultaneously, extended packet length support.

In addition, the BlueNRG-LP provides enhanced security hardware support by

dedicated hardware functions:

True random number generator (RNG), encryption AES maximum 128-bit security

co-processor, public key accelerator (PKA), CRC calculation unit, 48-bit unique ID,

Flash memory read and write protection.

The BlueNRG-LP can be configured to support standalone or network processor

applications. In the first configuration, the BlueNRG-LP operates as single device in

the application for managing both the application code and the Bluetooth Low Energy

stack.

The BlueNRG-LP embeds high-speed and flexible memory types:

Flash memory of 256 kB, RAM memory of 64 kB, one-time-programmable (OTP)

memory area of 1 kB, ROM memory of 7 kB.

Direct data transfer between memory and peripherals and from memory-to-memory

is supported by eight DMA channels with a full flexible channel mapping by the

DMAMUX peripheral.

The BlueNRG-LP embeds a 12-bit ADC, allowing measurements of up to eight

external sources and up to three internal sources, including battery monitoring and a

temperature sensor.

The BlueNRG-LP has a low-power RTC and one advanced 16-bit timer.

The BlueNRG-LP features standard and advanced communication interfaces:

1x SPI, 2x SPI/I2S, 1x LPUART, 1x USART supporting ISO 7816 (smartcard mode),

IrDA and Modbus mode, 2x I2C supporting SMBus/PMBus, 1x channel PDM.

The BlueNRG-LP operates in the -40 to +105 °C temperature range from a 1.7 V to

3.6 V power supply. A comprehensive set of power-saving modes enables the design

of low-power applications.

The BlueNRG-LP integrates a high efficiency SMPS step-down converter and an

integrated PDR circuitry with a fixed threshold that generates a device reset when the

VDD drops under 1.65 V.

The BlueNRG-LP comes in different package versions supporting up to:

32 I/Os for the QFN48 package, 20 I/Os for the QFN32 package, 30 I/Os for the

WCSP49 package.

BlueNRG-LP

DS13282 - Rev 2

page 3/72

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