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Decawave为DWM1001模块选择了Nordic低功耗蓝牙nRF52832系统级芯片(SoC)

2018-02-23

类别：新品快报

851

拍明

Nordic Semiconductor宣布位于爱尔兰都柏林的半导体公司Decawave为其DWM1001模块选择了Nordic屡获殊荣的低功耗蓝牙 (Bluetooth® Low Energy /Bluetooth LE) nRF52832系统级芯片(SoC)，这款模块为可包含数千个标签的可扩展双向测距(TWR)实时定位系统(RTLS)奠定了基础。

DWM1001模块集成了Decawave的DW1000超宽带(UWB)收发器、nRF52832 SoC器件、一个三轴加速器、一个UWB通道5印刷式PCB天线(6.5 GHz)和低功耗蓝牙芯片天线。

这款模块配有Decawave的DWM1001-Dev开发板和MDEK1001评测套件，即使是RF设计经验有限的用户，也可以对DWM1001模块进行编程和评估。Nordic独特的软件架构将RF软件协议堆栈与开发人员编写的应用程序代码完全分离，消除了代码开发和编译使得堆栈损坏的可能性，从而进一步简化了开发工作，加快产品上市速度。

DWM1001模块基于Decawave的DW1000单芯片、IEEE802.15.4-2011 UWB兼容收发器。这项技术不受多径衰减的影响，对保证在室内环境中达到2cm精度内的高可靠性至关重要。其6.8Mbps数据传输速率减少了空中传输时间，将实现数千个标签的实时定位，并支持电池供电设备能够以低功耗模式运行。

DWM1001模块.png

在模块中，nRF52832 SoC为蓝牙4.0(及以上)的智能手机和平板电脑提供低功耗蓝牙连接，允许终端用户配置、控制和监视RTLS应用程序。nRF52832 SoC拥有强大的64MHz、32位ARM®Cortex®M4F处理器，不仅运行Nordic的S132 协议栈 (通过蓝牙5认证的RF软件协议栈)，而且还运行该模块的RTLS固件和监控程序。这款SoC器件的512 kB Flash和强大的微处理器支持客户的位置和传感器融合算法，以及空中升级进行设备固件更新(OTA-DFU)。S132协议栈还提供Mesh功能，实现可扩展的网络。

DWM1001模块是面向中低量级的工业、医疗、零售和消费应用的高性价比开发平台。例如，该技术可用于避免工厂中的人员与机器人之间的碰撞，或用于先进的分析或导航服务，以便在医院中定位医疗设备，在仓库内中定位工具和备件，或在零售中心定位购物车。

Nordic的nRF52832低功耗蓝牙 SoC是Nordic第六代超低功耗(ULP)无线连接解决方案中的一员，集成了ARM微处理器与2.4GHz多协议无线电(支持蓝牙5、ANT™和私有2.4GHz RF软件)，具有96dB RX灵敏度、512kB Flash和64kB RAM。这款SoC器件推出时，是世界上性能最高的单芯片低功耗蓝牙解决方案。

这款SoC器件配套的Nordic S132 协议栈支持中央、外设、广播和观察者低功耗蓝牙角色，可实现多达20个连接，以及多角色同时运行。

Decawave营销副总裁Mickael Viot表示：“我们决定选择nRF52832 SoC的关键因素是其具有竞争力的特性/价格比、支持客户低占空比应用的超低功耗、成熟的RF软件栈以及软件协议栈和客户应用代码之间的清晰隔离。”

“此外，对于像我们这样专注于目标产品的中小企业客户来说，Nordic的在线社区和支持也是非常重要的。”

DWM1001

NEW PRODUCT: Accepting pre-orders for shipments at December 2017

Overview

UWB and Bluetooth® SMART module based on Decawave’s DW1000 IC and Nordic Semiconductor nRF52832 SoC

On board motion sensor and integrated antennas

Embedded firmware enabling:

Accurate UWB-based Real-Time Location Systems (RTLS)

Secure network connectivity

Benefits

Accelerates product designs for faster Time-to-Market & reduced development costs

Same module for your anchors, tags & gateways designs

No RF design required

Embedded firmware reduces software development effort

Firmware API to customize embedded user application

SPI, UART and Bluetooth® SMART APIs to access DWM1001 from an external device

On-board Bluetooth® SMART for connectivity to phones/tablets

Low-power hardware and software architecture for longer battery life

FCC & ETSI Certification: Q3 2017

Example Applications

Industrial (asset-tracking, factory automation)

Healthcare (locate assets, patients & staff)

Retail (security, navigation, customer analytics)

Consumer (connected home, sports analytics)

Complementary Products

DWM1001-Dev: Development board for evaluating and programming the module

MDEK1001: Development and evaluation kit with 12 units, Android tablet application, PC application (Q3’17)

Features

Decawave DW1000 UWB transceiver (IEEE802.15.4-2011 compliant )

UWB PCB antenna (6.5 GHz)

6.8 Mbps data rate

~60 m line-of-sight range

Nordic Semiconductor nRF52832 SoC - ARM Cortex M4, 512K Flash

Bluetooth chip antenna

3-axis accelerometer

Low power - Sleep mode: <5µA

Supply voltage: 2.8 V to 3.6 V

19.1 mm x 26.2 mm x 2.6 mm

34 x 1 mm pitch side castellations

Serial Wire Debug (SWD)

External Interfaces: SPI slave, I2C, UART, I2S Audio, NFC, GPIOs, Wakeup

RTLS firmware:

- Complete RTLS & network stack

- User options for partial or full re-flash

- Location Engine on Tag

- Over-the-air firmware updates

Application Code:

- Two-Way-Ranging (TWR) RTLS

- Application memory area for custom code

Configuration via Bluetooth or UART commands

MAC Layer:

- Resource allocation, frame & slot timing

6LoWPAN wireless mesh network*:

- Network management & data routing

- Discovery, joining, leaving

Security*:

- AES encryption of data

- Authentication: key generation & exchange

API Access to Drivers:

- Decawave DW1000 & Nordic nRF52832

- Bluetooth & Motion Sensor

nRF52832

DESCRIPTION

The nRF52832 SoC is a powerful, highly flexible ultra-low power multiprotocol SoC ideally suited for Bluetooth® low energy (previously called Bluetooth Smart), ANT and 2.4GHz ultra low-power wireless applications. The nRF52832 SoC is built around a 32-bit ARM® Cortex™-M4F CPU with 512kB + 64kB RAM. The embedded 2.4GHz transceiver supports Bluetooth low energy, ANT and proprietary 2.4 GHz protocol stack. It is on air compatible with the nRF51 Series, nRF24L and nRF24AP Series products from Nordic Semiconductor.

Bluetooth 5

The nRF52832 has hardware support on-chip for Bluetooth 5. This includes high throughput and advertising extension.

Processing power

The nRF52832 incorporates a powerful Cortex-M4F processor enabling the most demanding applications with complex arithmetic requirements to be realized in a single chip solution. The IC supports DSP instructions, a Floating Point Unit (FPU), single-cycle multiply and accumulate, and hardware divide for energy-efficient process of computationally complex operations.

Multiprotocol radio

The 2.4GHz radio supports multiple protocols including Bluetooth Low Energy, ANT and 2.4GHz proprietary. The radio has high definition RSSI and highly automated functionality, including EasyDMA for direct memory access during packet send and retrieve. Nordic provides protocol stacks for Bluetooth Low Energy. ANT protocol stacks are available from ANT here: www.thisisant.com.

Power Efficiency

The nRF52832 SoC is an extremely power efficient device that can run from a supply between 1.7V and 3.6V. All individual peripherals and clocks offer complete flexibility of power down when not required for task operation thus minimizing power consumption to a minimum. The IC has a comprehensive system of automated and adaptive power management features. These features range across the entire IC’s operation from power supply switching to peripheral bus/EasyDMA memory management, to automated shut down of all but the absolute essential peripherals required to perform a task.

On-chip NFC tag

NFC™-A tag support is included on chip. Out-of-Band (OOB) pairing using NFC simplifies the process of authenticated pairing between two Bluetooth devices by exchanging authentication information over an NFC link.

Package options

The nRF52832 is available in 6x6mm 48-pin QFN packages and 3.0x3.2mm ultra-compact wafer-level chip-scale packages (WL-CSP).

SoftDevice

The nRF52832 is supported by the S132 SoftDevice, a Bluetooth 5 pre-qualified protocol stack. Click for more information on nRF52 Series in our Infocenter

nRF52832 FEATURES

Single chip, highly flexible, 2.4 GHz multi-protocol SoC

32-bit ARM Cortex-M4F Processor

1.7v to 3.6v operation

512kB flash + 64kB RAM

Supports concurrent Bluetooth low energy/ANT protocol operation

On-chip NFC tag for Out-of-Band (OOB) pairing

Up to +4dBm output power

-96dBm sensitivity, Bluetooth low energy

Thread safe and run-time protected

Event driven API

On air compatible with nRF24L and nRF24AP series