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decaWave DWM1001 - User Manual

decaWave DWM1001
23 pages
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相关的中文文档参考 www.decawave.com/china
Overview
The DWM1001 module is based on Decawave's DW1000 Ultra
Wideband (UWB) transceiver IC, which is an IEEE 802.15.4-
2011 UWB implementation. It integrates UWB and Bluetooth®
antenna, all RF circuitry, Nordic Semiconductor nRF52832 and
a motion sensor.
Key Features
Ranging accuracy to within 10cm.
UWB Channel 5 printed PCB antenna (6.5 GHz)
6.8 Mbps data rate
60 m line-of-sight range typical
IEEE 802.15.4-2011 UWB compliant
Nordic Semiconductor nRF52832
Bluetooth® connectivity
Bluetooth® chip antenna
Motion sensor: 3-axis accelerometer
Current consumption optimised for low power sleep mode: <15μA
Supply voltage: 2.8 V to 3.6 V
Size: 19.1 mm x 26.2 mm x 2.6 mm
Key Benefits
Enables anchors, tags & gateways to quickly get an entire RTLS system up-and-running
Accelerates product designs for faster Time-to-Market & reduced development costs
Ready-to-go embedded firmware to minimise software development
Over-the-air updates
User API to DWM1001 firmware (available as a library) for user code customisation
On-board Bluetooth® SMART for connectivity to phones/tablets/PCs
SPI, UART and Bluetooth® APIs to access DWM1001 firmware from an external device
Low-power hardware design and software architecture for longer battery life
UWB
Transceiver
Decawave
DW1000
BLE
Microprocessor
Nordic
nRF52832
64 MHz ARM
Cortex M4
SPI M1*
3-Axis Motion
Detector
STM
LIS2DH12TR
BLE Antenna
UART [1:0]
SPI S2* [3:0]
I2C [1:0]
IRQ
UWB Antenna
VCC
2.8 V 3.6 V
DC-DC
Converter
1V8
GPIO
RESET
SWD[1:0]
GPIO
BT_WAKE_UP
GND
READY
4
12
*SPI M1 is nRF52 SPI master 1, SPI S2 is SPI slave 2
High Level Block Diagram

Table of Contents

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Summary

1 OVERVIEW

1.1 UWB Transceiver DW1000

Details the DW1000 Ultra-Wideband transceiver IC and its key features.

1.2 Bluetooth Microprocessor Nordic nRF52832

Describes the integrated Nordic nRF52832 Bluetooth® SoC.

1.3 Power Supply and Power management

Explains the module's power supply circuit and voltage requirements.

1.4 Three Axis Motion Detector STMicroelectronics LIS2 DH12 TR

Covers the STMicroelectronics LIS2DH12TR accelerometer sensor.

1.5 Software on board

Discusses the pre-loaded firmware and configuration options.

2 DWM1001 CALIBRATION

2.1.1 Crystal Oscillator Trim

Explains the calibration process for the crystal oscillator to minimize frequency error.

2.1.2 Transmitter Calibration

Details the calibration performed for transmitter power spectral density.

2.1.3 Antenna Delay Calibration

Describes how to calibrate antenna delay for accurate ranging measurements.

3 DWM1001 PIN CONNECTIONS

3.1 Pin Numbering

Provides the pin assignment layout of the DWM1001 module.

3.2 Pin Descriptions

Details the function and type of each pin on the DWM1001 module.

4 ELECTRICAL SPECIFICATIONS

4.1 Nominal Operating Conditions

Specifies the operating temperature and supply voltage ranges for the module.

4.2 DC Characteristics

Details DC characteristics including supply current in various modes.

4.3 Receiver AC Characteristics

Provides AC characteristics for the receiver section.

4.4 Receiver Sensitivity Characteristics

Lists typical receiver sensitivity values based on packet error rate and data rate.

4.5 Transmitter AC Characteristics

4.5.1 Absolute Maximum Ratings

Defines the absolute maximum electrical stress limits for the DWM1001 module.

5 TRANSMIT AND RECEIVE POWER CONSUMPTION

6 ANTENNA PERFORMANCE

7 APPLICATION INFORMATION

7.1 Application Board Layout Guidelines

Provides recommendations for PCB layout to ensure optimal RF performance.

8 PACKAGE INFORMATION

8.1 Module Drawings

Presents mechanical drawings and dimensions of the DWM1001 module.

8.2 Module Land Pattern

Shows the recommended land pattern for soldering the DWM1001 module onto a PCB.

8.3 Module Marking Information

Explains the format of the serial number marking on the module shield.

8.4 Module Solder Profile

9 ORDERING INFORMATION

9.1 Tape and Reel Information

Details tape and reel dimensions for automated component placement.

10 GLOSSARY

11 REFERENCES

12 DOCUMENT HISTORY

13 MAJOR CHANGES

14 ABOUT DECAWAVE

decaWave DWM1001 Specifications

General IconGeneral
ManufacturerDecaWave
ModelDWM1001
UWB TransceiverDW1000
ConnectivityBluetooth Low Energy (BLE)
Operating Frequency3.5 GHz to 6.5 GHz
Data RateUp to 6.8 Mbps
Positioning Accuracy10 cm
Power Supply2.8 V to 3.6 V
Operating Temperature-40°C to +85°C
MicrocontrollerNordic Semiconductor nRF52832
InterfacesGPIO, SPI, UART, I2C