TDK blu2i manual Contents

Page 2

Contents

BEFORE YOU BEGIN

3

SAFETY GUIDELINES

3

RF APPROVALS

..........................................................................................................................................................................

3

1

FUNCTIONS

4

2

APPLICATION INTERFACE

5

2.1

SERIAL INTERFACE

5

2.2

POWER SUPPLY

6

2.3

POWER-ON-RESET(POWER CYCLING AND BROWN OUT CONSIDERATIONS)

6

2.4

SPI BUS

8

2.5

PARALLEL PIO PORT

8

2.6

PCM CODEC INTERFACE

8

3

ELECTRICAL SPECIFICATION OF THE INTERFACE

9

3.1

ELECTRIC CHARACTERISTICS

11

4

PHYSICAL CHARACTERISTICS

13

4.1

MECHANICAL DIMENSIONS

13

4.2

MOUNTING THE BLU2I MODULE ONTO THE APPLICATION PLATFORM

14

4.3

BOARD TO BOARD CONNECTOR

14

5

ELECTRICAL AND RADIO CHARACTERISTICS

16

5.1

ABSOLUTE MAXIMUM RATINGS

16

5.2

OPERATING TEMPERATURES

16

5.3

POWER CONSUMPTION

16

5.4

LOW POWER MODES USING SNIFF

19

5.5

RF PERFORMANCE

21

 

5.5.1

Transmit Power

21

 

5.5.2

Receive Sensitivity

21

 

5.5.3

Range

21

 

5.5.4

Performance against Temperature

22

5.6

RELIABILITY

23

6

RS232 MODEM SIGNALS

24

6.1

MODEM SIGNALLING OVER BLUETOOTH

25

6.2

BREAK SIGNAL ON RX LINE

25

6.3

RESET

26

7

PURE CABLE REPLACEMENT MODE

27

7.1

DATA CABLE

27

7.2

AUDIO CABLE

28

7.3

MODEM CONTROL AND STATUS SIGNALS

29

8

GETTING STARTED

30

 

8.1.1

Two blu2i Modules

30

 

8.1.2

One blu2i Module and Bluetooth PC using TDK’s USB Adaptor or PC Card

31

8.2

FACTORY DEFAULT MODE

32

8.3

SOFTWARE

32

APPENDIX A

34

EUROPE – EU DECLARATION OF CONFORMITY

34

FCC AND INDUSTRY CANADA STATEMENTS

34

APPENDIX B

35

ESD (ELECTROSTATIC DISCHARGE)

35

ADDITIONAL STATEMENT

35

WARRANTY

36

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Contents Blu2i Module User Guide Contents RF Approvals Safety GuidelinesBefore You Begin Feature Implementation FunctionsApplication Interface Serial InterfacePower Supply Details the power consumption in different modesBlu2i Module PCM Codec Interface SPI BusParallel PIO Port Electrical specification of the interface Pin Signal DescriptionPage Electric Characteristics Function Signal Name Pin No Signal level CommentsUSB D Physical Characteristics Mechanical DimensionsPart number Stacking height HRS number Board to Board ConnectorMounting the blu2i Module onto the application platform Parameter Specification 40 pin Board to Board connector Power Consumption Electrical and radio characteristicsOperating temperatures Absolute Maximum ratingsATD Baud rate 9600 38400 115200 460800 Low Power Modes using Sniff High Power Consumption RF performance 5.5.1Transmit Power 2Receive Sensitivity4Performance against Temperature Reliability Parameter Minimum MaximumDirection Function RS232 Modem SignalsDirection Connector Pin Label Function Modem signalling over Bluetooth Break signal on RX lineReset Pure Cable Replacement Mode Data CableATS512=1 Audio CableATS512=3 ATS0=-1 Modem Control and Status Signals ATS504=1 ATS530=2000 ATS532=1ATDbdaddr Getting StartedATS0=1 AT+BTP Factory Default Mode SoftwareBaud rate 300 to Parity FCC and Industry Canada Statements Appendix aEurope EU Declaration of Conformity Additional Statement Appendix BESD Electrostatic Discharge Warranty

blu2i specifications

The TDK Blu2i is an innovative Bluetooth audio device designed to elevate the listening experience for audiophiles and casual listeners alike. This versatile device combines advanced Bluetooth technology with high-quality audio performance to create an outstanding solution for wireless sound.

One of the standout features of the TDK Blu2i is its compatibility with various Bluetooth profiles, allowing it to seamlessly connect with a wide range of devices, including smartphones, tablets, and laptops. Utilizing the latest Bluetooth 5.0 technology, the Blu2i ensures a stable connection, reduced latency, and an extended range, making it ideal for both indoor and outdoor use.

In terms of audio performance, the TDK Blu2i boasts impressive sound quality. The device supports high-resolution audio streaming, delivering superior clarity and detail. Users can enjoy their favorite tracks with deep bass, crisp highs, and an overall balanced sound profile. The built-in digital signal processing (DSP) enhances audio playback, ensuring that every note is rendered with precision.

Another notable characteristic is the TDK Blu2i's long-lasting battery life. With up to 20 hours of playback on a single charge, users can indulge in extended listening sessions without worrying about frequent recharging. The device also features quick charge capability, allowing users to enjoy several hours of playback with just a short charging session.

The design of the TDK Blu2i is both stylish and functional. Its compact and lightweight form factor makes it easy to carry, while its durable construction ensures it can withstand everyday use. The device is equipped with intuitive controls, allowing users to adjust volume, skip tracks, and manage calls effortlessly.

Additionally, the TDK Blu2i supports voice assistant integration, enabling users to access their smart devices hands-free. This feature adds an extra layer of convenience, allowing for seamless multitasking without the need to reach for a phone.

In summary, the TDK Blu2i is a powerful Bluetooth audio device that encapsulates the essence of modern audio technology. With its high-quality sound, extensive battery life, and user-friendly features, it caters to the needs of any audio enthusiast looking for a reliable and high-performing wireless solution.