CSR plc
| Company type | Public limited company |
|---|---|
| Industry | Semiconductors Communications |
| Founded | 1998 (as Cambridge Silicon Radio) |
| Defunct | 14 August 2015 |
| Fate | Acquired by Qualcomm |
| Headquarters | Cambridge, England, U.K. |
Key people | Ron Mackintosh (chairman) Joep van Beurden (CEO) Will Gardiner (CFO) |
| Products | Fabless semiconductor that included connectivity, audio, imaging and GPS chips |
| Revenue | US$774.8 million (2014) |
| US$97.0 million (2014) | |
| US$96.8 million (2014) | |
| Website | csr.com |
CSR plc (formerly Cambridge Silicon Radio) was a multinational fabless semiconductor company headquartered in Cambridge, United Kingdom. Its main products were connectivity, audio, imaging and location chips. CSR was listed on the London Stock Exchange and was a constituent of the FTSE 250 Index until it was acquired by Qualcomm in August 2015. Under Qualcomm's ownership, the company was renamed Qualcomm Technologies International, Ltd.