RAFAVI_BLUETOOTH

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sparklink

SparkLink Alliance

SparkLink Alliance is an industrial alliance committed to promote next-generation wireless short-range communication technology innovation and industry ecosystem, and support applications in smart cars, smart homes, smart...

instrument and equpment

Portable GPS signal acquisition (BDS,GPS,GLONASS,GALILEO,GNSS test)

Portable signal acquisition and replay equipmentIt can complete the acquisition, storage and playback of 30MHz~ 3.6ghz analog signals, and simulate multi-frequency interference signals and fraud signals of BDS, GPS, GLONASS and...

sparklink

Implementing SparkLink Low-Latency Audio Streaming with Custom LLC and Data Frame Encoding on ESP32-C6

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Implementing a High-Performance BLE Advertisement Beacon with Extended Advertising and Periodic Advertising Sync using nRF52840

1. Introduction: Beyond Basic Beacons – The Need for Extended and Periodic Advertising Traditional BLE advertisement beacons, such as iBeacon or Eddystone, broadcast a fixed 31-byte payload in a single advertisement event. This...

Bowers & Wilkins Pi7 S2 TWS bluetooth earbuds

High-resolution sound and crystal-clear voice calls, an industry-first wireless audio retransmission case.

Tech Decode

Insights & Analysis

The Application of Bluetooth Location Technology in Senior Living Communities

The Application of Bluetooth Location Technology in Senior Living Communities: Enhancing Health...

How Bluetooth Enables Emotion Recognition: A Technical Overview

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Bluetooth Beacon Networks: Extending Satellite Navigation to Ground-Based Precision Positioning

Bluetooth Beacon Networks: Extending Satellite Navigation to Ground-Based Precision Positioning As...

The Market for Bluetooth Positioning: From Ubiquitous Connectivity to Contextual Intelligence

The global positioning landscape is undergoing a profound transformation. While satellite-based...

Bluetooth Positioning Algorithms: Comparative Analysis and Strategies for Higher Accuracy

Part 1: Comparative Analysis of Key Algorithms Bluetooth positioning algorithms can be categorized...

Marketing

Building a Scalable BLE Mesh Provisioning Platform with nRF5340 for Smart Lighting Control

1. Introduction: The Scalability Challenge in BLE Mesh Provisioning for Smart Lighting The promise of...

Implementing Real-Time BLE AoA Positioning with an AI-Based Neural Network for Angle Correction

Introduction: The Precision Ceiling of Bluetooth AoA Bluetooth Angle of Arrival (AoA) has emerged as a...

Real-Time AI News Aggregation via BLE Mesh: Building a Provisioned Node with Python-Based Inference

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Chip

UWB+GNSS Indoor and outdoor integrated positioning module

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Porting the BlueZ LE Audio Stack to an Imported RISC-V SoC: Codec Configuration and LC3 Encoder Integration

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Voice Wireless Mouse

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nRF52820

Nordic

0.00

RMB

Overview

The nRF52 Series of System-on-Chip (SoC) devices embed a powerful yet low-power Arm® Cortex®-M4 processor with our industry leading 2.4 GHz RF transceivers. In combination with the very flexible orthogonal power management system, and a programmable peripheral interconnect (PPI) event system.It offers pin-compatible device options for Bluetooth® Low Energy, proprietary 2.4 GHz, and ANT™ solutions.

Features

stereo

Block Diagram

Application Note

Development Board

Core Type

ARM Cortex®-M4

CPU Clock Speed

CPU Architecture

CPU Features

Bluetooth Version

5.1

Operating Frequency [Max] (MHz)

Flash (kB)

256 kB

Cache

yes

SRAM (kB)

32 kB RAM

EEPROM (kB)

Debugging

Upgrade Type

Supports Over-the-Air upgrade (OTA)

Crystal

32 MHz

on chip (PLL)

64 MHz

crystal (optional)

32.768 kHz

on-chip RC

32.768 kHz

External clock

32.768 kHz

Timers [Number, bits]

4 × 32-bit 16 MHz

Real-Time Clock

2 × 32.768 kHz

Watchdog timer

32.768 kHz

GPIO

Pins

Pitch

Channels

8 × GPIOTEs

ADC [Number, bits]

True Random Number Generator

有

Analog comp

64-level

low-power comp

15-level

Temperature sensor

有

NFC Tag

SPI

2 × SPI master and slave

DAC [Number, bits]

UART

1 × UARTE

SSI

PWM [Number, bits]

I2C

TWI

2 × TWI master and slave

QDEC

有

PDM

USB

1 × USB Full-speed device

SPI

1 × high-speed SPI master

Quad SPI

I2S

支持

Debug interface

SWI调试界面

Human Machine Interface

Programmable channels

Fixed channels

Channel groups

Supply Voltage [Min to Max] (V)

1.7 V to 5.5 V supply voltage 1.7 V to 3.6 V (VDD) 2.5 V to 5.5 V (VDDH)

2 stage regulator LDO for high voltage and DC/DC or LDO for low voltage

On-chip VBUS

On-chip VBUS 3.3 V reg

Regulated supply for external components

Power fail

Power fail comparator and brownout

Crypto Accelerator

Public Key Hardware Accelerator

Accelerator

Security

AES engine

Current

Sensor Controller

Standby

Transceiver Compatible

Receiver Sensitivity

-95 dBm (Bluetooth Low Energy 1 Mbps)

Output Power

+8 dBm

Frequency Regulation

Protocols

Bluetooth Low Energy/Bluetooth mesh/Thread/ Zigbee/ANT/2.4 GHz/IEEE 802.15.4

Bluetooth 5 PHYs

2 Mbps/Long range

bluetooth 5.1 support

Yes

Dimension

5 × 5 QFN40 w/18 GPIOs and USB

Package Type

BGA

DSP RAM

DSP Clock Speed

Voice Services

General

Datasheet: