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CSR , or Cambridge Silicon Radio, is a company based in Cambridge
Cambridge

The city status in the United Kingdom of Cambridge is a College town and the administrative centre of the county of Cambridgeshire, England. It lies about 50 miles north of London....
, England
England

native_name =|conventional_long_name = England|common_name = England|image_flag = Flag of England.svg|image_coat = England COA.svg|symbol_type = Royal Coat of Arms...
 whose main product line is a single-chip implementation of the Bluetooth
Bluetooth

Bluetooth is a wireless protocol for exchanging data over short distances from fixed and mobile devices, creating personal area networks . It was originally conceived as a wireless alternative to RS232 data cables....
 standard for radio-signal communication between devices. CSR is a fabless semiconductor manufacturer. It is listed on the London Stock Exchange
London Stock Exchange

The London Stock Exchange or LSE is a stock exchange located in London, United Kingdom. Founded in 1801, it is one of the largest stock exchanges in the world, with many overseas listings as well as British companies....
 and is a constituent of the FTSE 250 Index
FTSE 250 Index

The FTSE 250 Index is a market capitalisation-weighted index of 250 UK companies on the London Stock Exchange. They are selected quarterly as being the 101st to 350th largest companies with their primary listing on the exchange....
.

Company was founded in 1998 when it split away from Cambridge Consultants
Cambridge Consultants Ltd

Cambridge Consultants is an international technology development and consultancy company, providing outsourced Research and Development to clients - from start-ups to blue-chip multinationals - who need to develop innovative, technologically novel, breakthrough products....
 as Cambridge Silicon Radio.






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CSR , or Cambridge Silicon Radio, is a company based in Cambridge
Cambridge

The city status in the United Kingdom of Cambridge is a College town and the administrative centre of the county of Cambridgeshire, England. It lies about 50 miles north of London....
, England
England

native_name =|conventional_long_name = England|common_name = England|image_flag = Flag of England.svg|image_coat = England COA.svg|symbol_type = Royal Coat of Arms...
 whose main product line is a single-chip implementation of the Bluetooth
Bluetooth

Bluetooth is a wireless protocol for exchanging data over short distances from fixed and mobile devices, creating personal area networks . It was originally conceived as a wireless alternative to RS232 data cables....
 standard for radio-signal communication between devices. CSR is a fabless semiconductor manufacturer. It is listed on the London Stock Exchange
London Stock Exchange

The London Stock Exchange or LSE is a stock exchange located in London, United Kingdom. Founded in 1801, it is one of the largest stock exchanges in the world, with many overseas listings as well as British companies....
 and is a constituent of the FTSE 250 Index
FTSE 250 Index

The FTSE 250 Index is a market capitalisation-weighted index of 250 UK companies on the London Stock Exchange. They are selected quarterly as being the 101st to 350th largest companies with their primary listing on the exchange....
.

History

The Company was founded in 1998 when it split away from Cambridge Consultants
Cambridge Consultants Ltd

Cambridge Consultants is an international technology development and consultancy company, providing outsourced Research and Development to clients - from start-ups to blue-chip multinationals - who need to develop innovative, technologically novel, breakthrough products....
 as Cambridge Silicon Radio. It was first listed on the London Stock Exchange
London Stock Exchange

The London Stock Exchange or LSE is a stock exchange located in London, United Kingdom. Founded in 1801, it is one of the largest stock exchanges in the world, with many overseas listings as well as British companies....
 in 2004.

In 2005 the Company acquired Clarity Technologies, a leading Clear Voice Capture (CVC) business. In 2005 CSR also acquired the 3G wireless (WCDMA/UMTS/HSDPA) technology company UbiNetics
UbiNetics

UbiNetics was a 3G wireless technology company based in Cambridge, UK, with offices in Japan, Hongkong, India and China. They had a second development center within UK at Swindon. The company had gone through three different acquisitions...
. In 2007, CSR acquired Nordnav, a Swedish based GPS software company, and CPS, a Cambridge based GPS software company producing Enhanced GPS
Enhanced GPS

Enhanced GPS is a technology designed for mobile phones on GSM and W-CDMA networks, to augment Global Positioning System signals to deliver faster location fixes, lower cost implementations and reduced power and processing requirements....
 in partnership with Motorola.

Operations

CSR is currently the biggest global supplier of Bluetooth chips with approximately 50 percent market share, and also produce WiFi
WIFI

WIFI is a radio station broadcasting a Variety radio format. Licensed to Florence, New Jersey, USA. The station is currently owned by Forsythe Broadcasting....
 and VoIP solutions. CSR's main competitor in the Bluetooth chipset market is Broadcom
Broadcom

Broadcom Corporation is an United States supplier of integrated circuits for broadband communications. Founded in 1991 by Henry Samueli and Henry T....
. The largest market for Bluetooth chipsets is the mobile handset market most of which are Bluetooth enabled.

CSR's BlueCore Bluetooth chips are not based on ARM cores
ARM architecture

The ARM architecture is a 32-bit RISC central processing unit architecture developed by ARM Limited that is widely used in embedded system designs....
, unlike those of rival Broadcom
Broadcom

Broadcom Corporation is an United States supplier of integrated circuits for broadband communications. Founded in 1991 by Henry Samueli and Henry T....
, but are instead based on low-power processor techonology from its former parent company. Due to CSR's large market share, this makes the relatively unheard-of 16-bit XAP processor
XAP processor

The XAP processor is a RISC central processing unit architecture developed by Cambridge Consultants Ltd since 1994. XAP processors are a family of 16-bit and 32-bit cores, all of which are intended for use in an application-specific integrated circuit or ASIC chip design....
 one of the most numerous micro-controllers in existence.

Offices

The company has the following offices:
  • Unit 400, Cambridge Science Park
    Cambridge Science Park

    The Cambridge Science Park, founded by Trinity College, Cambridge in 1970, is the oldest science park in the United Kingdom. It is a concentration of science and technology related businesses, and has strong links with the nearby University of Cambridge....
    , Cambridge, UK. Original seat of the company, abandoned in November 2004 when the company moved to Churchill House (below), then re-occupied in 2005 after significant growth and now Corporate Headquarters again.
  • Churchill House, Cambridge Business Park
    Cambridge Business Park

    Cambridge Business Park is a large business complex in Cambridge, England. It is home to many companies, mostly Information Technology-related, such as CSR plc, Autonomy , The MathWorks and Red Gate Software, but also intellectual property firms such as Mewburn Ellis, Venner Shipley and Mathys and Squire....
    , Cambridge, UK
  • Selwyn House, Cambridge Business Park, Cambridge, UK
  • St. John's House, St John's Innovation Centre
    St John's Innovation Centre

    St John's Innovation Centre is a world-renowned business incubator in Cambridge, England. It was founded in 1987 in St John's College, Cambridge , near the Cambridge Science Park . ...
    , Cambridge, UK
  • Richardson
    Richardson, Texas

    Richardson is a city in Collin County, Texas and Dallas County, Texas Counties in the U.S. state of Texas. As of the 2000 census, the city had a total population of 91,803, while according to a 2007 estimate, the population had grown to 101,400....
    , Texas
    Texas

    Texas is a U.S. state located in the South Central United States, nicknamed the Lone Star State. Texas is the second largest U.S. state in both area and population, spanning , and with a growing population of 24.3 million residents....
    , US
    United States

    The United States of America is a Federal government constitutional republic comprising U.S. state and a federal district. The country is situated mostly in central North America, where its Contiguous United States and Washington, D.C., the Capital districts and territories, lie between the Pacific Ocean and Atlantic Oceans, Borders of the U...
  • Sophia-Antipolis, France
    France

    France , officially the French Republic , is a country whose Metropolitan France is located in Western Europe and that also comprises various Overseas departments and territories of France....
  • Tokyo
    Tokyo

    , officially , is one of the 47 prefectures of Japan of Japan and located on the eastern side of the main island Honshu. The twenty-three special wards of Tokyo, each governed as a city, cover the area that was once the Tokyo City in the eastern part of the prefecture, and total over 8 million people....
    , Japan
    Japan

    Japan is an island country in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, People's Republic of China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south....
  • Taipei
    Taipei

    Taipei has been the de facto capital of the Republic of China, commonly known as Taiwan, since the Chinese Civil War in 1949, and the capital of Taiwan since Japanese rule that began in 1895....
    , Taiwan
    Taiwan

    Taiwan is an island in East Asia. "Taiwan" is also commonly used to refer to the country governed by the Republic of China and to the ROC itself, which governs the island of Taiwan, Orchid Island and Green Island, Taiwan in the Pacific Ocean off the Taiwan coast, the Penghu islands in the Taiwan Strait, and Kinmen and the Matsu Islands...
  • Novi Science Park, Aalborg
    Aalborg

    Aalborg is a city in Denmark. Its population, as of 2008, is 121,818, making it the fourth largest in the country after Copenhagen, Aarhus, and Odense....
    , Denmark
    Denmark

    Denmark is a Scandinavian country in northern Europe and the senior member of the Kingdom of Denmark. It is the southernmost of the Nordic countries....
  • Posco Building, Seoul
    Seoul

    Seoul is the Capital and largest city of South Korea. With a population of over 10 million, It is one of the world's List of cities proper by population.The Seoul National Capital Area - which includes the major port city of Incheon and satellite towns in Gyeonggi-do, has 24.5 million inhabitants and is the world's second largest List of me...
    , Korea
    Korea

    Korea is a geographic area composed of two sovereign countries, a civilization, and a former state situated on the Korean Peninsula in East Asia....
  • Stockholm
    Stockholm

    is the capital and largest city of Sweden. It is the site of the national Swedish Government of Sweden, the Parliament of Sweden, and the official residence of the Swedish Monarchy of Sweden....
    , Sweden
    Sweden

    Sweden , officially the Kingdom of Sweden , is a Nordic countries on the Scandinavian Peninsula in Northern Europe. Sweden has land borders with Norway to the west and Finland to the northeast, and it is connected to Denmark by the ?resund Bridge in the south....
     through acquision of Nordnav in 2007
  • Detroit, Michigan
    Detroit, Michigan

    Detroit is the largest city in the U.S. state of Michigan and the county seat of Wayne County, Michigan. Detroit is a major port city on the Detroit River, in the Midwestern United States of the United States....
    , US (through acquisition of Clarity Technologies Inc. in 2005)
  • IBC Knowledge Park, Bangalore
    Bangalore

    Bangalore , officially Bengaluru , is the capital of the Indian States and territories of India of Karnataka. Located on the Deccan Plateau in the south-eastern part of Karnataka, Bangalore is India's List of most populous cities in India and List of most populous metropolitan areas in India....
    , India
    India

    India, officially the Republic of India , is a country in South Asia. It is the List of countries and outlying territories by total area country by geographical area, the List of countries by population country, and the most populous liberal democracy in the world....
     (through acquisition of Ubinetics in 2005)
  • Platinum Building, Shanghai
    Shanghai

    Shanghai is the List of cities in the People's Republic of China by population in China and one of the List of metropolitan areas by population in the world, with over 20 million people....
    , China
    People's Republic of China

    The People's Republic of China , commonly known as China, is the largest country in East Asia and the List of countries by population in the world with over 1.3 billion people, approximately a fifth of the world's population....
  • 83 Princes Street, Edinburgh
    Edinburgh

    Edinburgh ; is the Capital city of Scotland, a position it has held since 1437. It is the seventh largest city in the United Kingdom and the second largest Scottish City status in the United Kingdom after Glasgow....
    , Scotland
    Scotland

    conventional_long_name = ScotlandAlba|common_name= Scotland|image_flag = Flag of Scotland.svg|flag_width = 130px...


External links

  • at Cambridge Network
    Cambridge Network

    The Cambridge Network is a networking organisation for business people and academics working in technology fields in the Cambridge area .The network was founded by Nigel Brown, David Cleevely, Fred Hallsworth,Hermann Hauser, Anthony Ross and Alec Broers, Baron Broers in 1998....