Quick Blue

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Fully Qualified, full featured Bluetooth® Module

  • Bluetooth Class 1 Compliant
  • SMD (Surface Mount Device)
  • Flash memory
  • Reference oscillator built in
  • UART (RAW) & PCM interfaces
  • Conforms to Bluetooth 1.1.0 Specification

The Bluetooth Module contains Cambridge Silicon Radio Blue Core -2, which has complete radio part and base band controller section (16bits RISC processor, RAM and Flash memory). including a high accuracy reference oscillator and sub clock for extremely low power management. Protocol software is pre-loaded into the integrated Flash memory and interfaces to the HCI layer the protocol stack on an appropriate host system.

Features List

  • Power level +12.5 dBm typ.
  • Program memory 8M bits Flash
  • RAM 32k bytes x 16 bits
  • Reference oscillator Built in
  • Sub clock oscillator Built in
  • Audio interface PCM A-Law, m-Law (CVSD)
  • Serial data interface UART (RAW : 115.2 kbps)
  • Physical connection SMD (solder ball bump array)

Standard Operating Conditions

Operating Temperature
Nominal: +15 °C to +35 °C
Extreme: -20°C to +75 °C
Operable Temperature -20°C to +75 °C
Storage Temperature -30 °C to +85 °C
Supply Voltage; VCC
Nominal: +3.3 V
Extreme: +3.3 V ± 0.1 V
Absolute Maximum Ratings
Supply Voltage
VCC: -0.4V ~ +3.6V

Radio

The proposed Bluetooth™ Module has fully integrated 2.4GHz radio transceiver with Class1 power amplifier, receiver and frequency-hopping synthesizer. In order to facilitate power management, each section of the radio may be powered up and down separately. Various software controllable switches have been implemented to control power to the transmitter, the frequency synthesizer/VCO, the receiver and the LNA.

Base band

The Proposed Bluetooth™ Module contains a link controller, which performs all the real-time functions of the Bluetooth™ baseband protocol layer, including data transfer and connection management. The device also controls states of operation enables sniff, park and hold modes of operation. Real-time functions such as frequency-hopping burst timing and clock synchronization are also implemented in this hardware. . On the receive side the controller performs error correction and de-scrambling before de-packetising the incoming payload and storing it in RX buffers.

The link controller hardware also implements the basic, repetitive actions of paging, inquiry, page or inquiry scans and the general Bluetooth™ modes of park and sniff.

The base band contains the following functionality:

FEC – Forward Error Correction
FEC provides the ability to correct any errors, which might have occurred during the transmission of the original data. FEC rate of 1/3, 2/3, and Automatic Repeat Request (ARQ) are implemented.

Whiten / De-whiten – Scramble/Unscramble
Whitening/Scramble refers to the addition of randomized data to avoid any undesirable DC bias effects in the transfer of data packets. De-whitening/Unscramble is the reversal of the original process where the original data can be extracted.

Encrypt/Decrypt – Apply/Remove Encryption
Encryption is the security feature where keys are used to prevent the access of data to unauthorized sources. This functional block is responsible for the processing of authentication and key management functions required by Bluetooth™

CRC – Cyclic Redundancy Check
This is the error detection function implemented to process the CRC field within the payload section of a Bluetooth™ transfer packet. On the receive side, the CRC is checked with the expected value based on algorithms. On the transmit, a correct CRC is generated and appended to the payload.

HEC – Header Error Correction
This is the error correction function dealing with the 8-bit HEC field of the Bluetooth™ packet header as specified in Version 1.2 spec.

Attention to FAA (Federal Aviation Administration) compliance
The FAA's proposal is to restrict the use of any wireless devices during an entire flight. This restriction applies to Bluetooth™. Customers must implement a disable switch for Bluetooth™ functionality in hardware or software. The proposed module contains disable and enable radio over extended HCI commands, which shall be implemented by the application software of any products, which might be carried on an airplane.

LIFE SUPPORT APPLICATIONS
This product is not designed for use in life support appliances, devices or systems where malfunction of this product can reasonably be expected to result in personal injury. Customers using or selling this product for use in such applications do so at their own risk and agree to fully indemnify Crownhill for any damages resulting from such improper use or sale.
 

Bluetooth tools and Diagnostics

We recommend wi-spy.co.uk for the excellent Wi-Spy tool, that will enable the discovery of devices operating in the 2.4Ghz spectrum that may be causing interference and disruption to your Bluetooth link.

a collection other useful tools:

a collection useful / interesting documents:

Developer Tools

Microsoft has released a free, managed-class library for building Bluetooth-enabled applications and services for Windows CE and Windows Mobile based devices. The new library saves development time by reducing the native Bluetooth code from "hundreds of lines to just a few," according to the company.

Microsoft says the Windows Embedded Source Tools for Bluetooth Technology provides a Win32 API wrapper that can be exposed in Visual Studio .NET or the .NET Compact Framework to reduce the amount of code needed for Bluetooth applications. The package includes the following components:

  • Classes to create Bluetooth services
  • Classes to enumerate Bluetooth devices
  • Classes to connect to an existing Bluetooth device or service

"Bluetooth coding to the native application program interface is extremely difficult, and having this source tool available will be very beneficial for the development community," noted Doug Boling, principal of Boling Consulting.

Windows Embedded Source Tools for Bluetooth Technology are available in Windows CE 5.0 and Windows Mobile 5.0 versions. The tools are offered under a Shared Source license, which allows developers to customize and ship the code without any obligation to share the modifications with Microsoft, competitors, or the development community, according to Microsoft. The code is available for download here.

Top 10 reasons to use Crownhill's QuickBlue™ products

  • Quick and simple integration - We make Bluetooth™ work for you!
  • Faster and cheaper than some other solutions. Profit by selling wireless products next week instead of next quarter.
  • Complete subsystem. Includes CPU, radio, antenna, & firmware on one easy to use module.
  • High quality manufacturing.
  • Superior CSR based design for consistent performance.
  • Qualified Bluetooth™ component.
  • Custom firmware modifications are fast and inexpensive.
  • High-speed data rates up to 921K baud.
  • High-performance PIC™ Microcontroller onboard available for end-user custom applications.
  • Lots of general purpose I/O data lines provide great flexibility and utility.
  • Technical Support Forum for PIC™ BASIC Developers
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What is Bluetooth™?

Bluetooth™ Wireless Technology is the new world standard for wireless communication at 2.4 GHz.
Please visit the Bluetooth™ SIG Website for the official information on Bluetooth™ specification, etc.

What Is Bluetooth™?

Well it isn't some strange form of tooth decay as the name may suggest :) Bluetooth™ is the name of a technology that is fast becomming the standard way of connecting devices that traditionally used short wire cables. for example printer, mouse, headset and so on. Cables have become an increasingly frustrationg probelm of modern day life. Most of us have enjoyed an afternoon of trying to figure out what cable goes where when tidying the office or desk, and getting tangled up in the resulting mess. Bluetooth™ essentially aims to fix this by replacing a multitude of cables with a world wide standard wireless technology.

How?

Conceived initially by Ericsson, before being adopted by a myriad of other companies, Bluetooth™ is a standard designed to replace cables by taking the information normally carried by a wire cable, and transmitting it over a radio link. So now you can transmit information between a computer and a printer, audio headset to headset, Phone to printer and a whole host of variations on the theme.

Interest in Bluetooth™ is soaring, lots of ideas are constantly emerging, some practical and feasible e.g.: Bluetooth™ chips in freight containers to identify cargo when a lorry drives into a storage depot, or a headset that communicates with a mobile phone in your pocket, or even in the other room, other ideas not so feasible: Refrigerator communicating with your Bluetooth™-enabled computer, informing it that food supply is low, and to inform the retailer over the internet!!

By the way if, you're wondering where the Bluetooth™ name originally came from, it named after a Danish Viking and King, Harald Blatand (translated as Bluetooth™ in English), who lived in the latter part of the 10th century. There are variations on the story, but its generally accepted that, Harald Blatand united and controlled Denmark and Norway and inspired the original developers to adopt his name: "uniting devices through Bluetooth™".

The core of the Crownhill Bluetooth™ product range is a small-footprint PCB module comprising of a PIC™ microcontroller and Cambridge Silicon Radio Bluetooth™ Chipset. A key feature is that the Bluetooth™ stack is embedded allowing the onboard PIC™ microcontroller to handle easy setup and configuration so that any existing RS232 can communicate wirelessly without the requirement for additional software to be written.

Crownhill's QuickBlue™ brings Bluetooth™ Wireless Technology to your product now! QuickBlue™ can be utilsed in your products worldwide, since the use of the 2.4 GHz band is license-free in every country of the world. A global standard that guarantees compatibility with products of all brands.

View the Wikipedia entry on Bluetooth™

Top 10 reasons to use Crownhill's QuickBlue™ products

  • Quick and simple integration - We make Bluetooth™ work for you!
  • Faster and cheaper than some other solutions. Profit by selling wireless products next week instead of next quarter.
  • Complete subsystem. Includes CPU, radio, antenna, & firmware on one easy to use module.
  • High quality manufacturing.
  • Superior CSR based design for consistant performance.
  • Qualified Bluetooth™ component.
  • Custom firmware modifications are fast and inexpensive.
  • High-speed data rates up to 921K baud.
  • High-performance PIC™ Microcontroller onboard available for end-user custom applications.
  • Lots of general purpose I/O data lines provide great flexibility and utility.
  • Technical Support Forum for PIC™ BASIC Developers
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QuickBlue™ Link
  • Out of the box operation
  • serial data link no configuration required
  • Pairs with Bluetooth™ devices as master or slave
  • Baud rates 9600 to 115K baud
  • Hardware flow control or no flow control
  • Bluetooth™ PIN code and encryption preset
  • Bluetooth™ error correction layer
  • Class I Bluetooth™ radio, upto 100m range
  • Integral antenna
  • Qualified Bluetooth™ component

QuickBlue™ AT
  • Easy to use Serial data interface
  • Pairs with Bluetooth™ devices as master or slave
  • Controlled by AT style Command set
  • Authentication and encryption.
  • Device discovery
  • Hardware flow control or no flow control.
  • Bluetooth™ error correction layer.
  • Class I Bluetooth™ radio, upto 100m range.
  • Integral antenna
  • Qualified Bluetooth™ component

Bluetooth™ Module
  • Available Now
  • Output Power class1 compliant
  • SMD
  • Flash memory
  • Reference oscillator built in
  • UART (RAW) & PCM interfaces
  • spec. 1.1.0

 
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Contact us

Email

This e-mail address is being protected from spambots. You need JavaScript enabled to view it - for general enquires
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Phone / Fax

You may contact us by the following methods
Telephone: +44 (0)1353 749990 5 lines
Fax: +44 (0)1353 749991 2 lines

Post

The Old Station Yard,
Station Road
Wilburton,
Cambridgeshire
CB6 3PZ
UK

Location

Crownhill's offices and R&D facilities are based 15 miles north of Cambridge City, England, just outside of the small city of Ely. The facility is located in a rural setting, in the heart of Fen Land. The premises are secure, so an appointment should be made before visiting to avoid disappointment.

There are very good links to London, Brimingham, Europe and the USA via Road, Rail, Air and Sea. London is approx 1hr 15mins by Road or Rail, Mainland Europe is approx 2hrs from the office via Stanstead airport or 4 hrs via Harwich ferry
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