BlueCore® CSR8670™ BGA Features ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ General Description Low-power Solution for DSP Intensive Audio Applications Advance Information CSR8670C Issue 3 XTAL External Memory Flash Serial Flash Clock Generation UART/USB RAM BT_RF 2.4GHz Radio + Balun PIO Baseband LED /PO MCU Audio In /Out Audio Interface PCM/I2S/ SPDIF I/O Kalimba DSP Capacitive Sense SPI/I2C Applications CSR's popular BlueCore5-Multimedia® platform is software-portable to the BlueCore® CSR8670™ BGA, with easy migration of a broad range of solutions from CSR's eXtension partners. This migration enables rapid time-to-market deployment of a broad range of consumer electronics products. The enhanced Kalimba DSP coprocessor with 80MIPS supports enhanced audio and DSP applications. Home Entertainment Ecosystem ■ TVs ■ Smart remote controllers ■ Wired or wireless soundbars ■ Wired or wireless speakers and headphones Tablets / PCs / Mobile Connectivity ■ Wearable audio (on-the-go) ■ Wearable audio with sensors (health and wellbeing applications) ■ Wired or wireless stereo headphones for music/ gaming/multimedia content ■ Wired or wireless speakers ■ Wired or wireless speakerphones ■ Mono headsets for voice The audio codec supports 2 ADC channels, up to 6 microphone inputs, stereo output and a variety of audio standards. See CSR Glossary at www.csrsupport.com. Production Information This material is subject to CSR's non-disclosure agreement © Cambridge Silicon Radio Limited 2010 - 2011 Page 1 of 3 CS-205808-TOP3 www.csr.com BlueCore® The CSR8670™ BGA consumer audio platform for wired and wireless applications integrates an ultra-low-power DSP and application processor with embedded flash memory, a high-performance stereo codec, a power management subsystem, LED and LCD drivers and capacitive touch sensor inputs in a SOC IC. The dual-core architecture with flash memory enables manufacturers to easily differentiate their products with new features without extending development cycles. CSR8670 BGA Technical Overview ■ ■ Bluetooth® v3.0 specification fully qualified software Bluetooth v4.0 specification compliant hardware Radio includes integrated balun and RF performance of 10dBm transmit power and -90dBm receive sensitivity 80MHz RISC MCU and 80MIPS Kalimba DSP 16Mb internal flash memory (64-bit wide, 45ns); optional support for 64Mb of external SPI flash Stereo codec with 2 channels of ADC and up to 6 microphone inputs (includes bias generators and digital microphone support) Support for CSR's latest CVC technology for narrow-band and wideband voice connections including wind noise reduction Audio interfaces: I²S, PCM and SPDIF Serial interfaces: UART, USB 2.0 full-speed, master and slave bit-serialiser (I²C and SPI) Integrated dual switch-mode regulators, linear regulators and battery charger 3 hardware LED controllers (for RGB) and ability to drive LCD segment display directly Support for up to 6 capacitive touch sensor inputs 6.5 x 6.5 x 1mm, 0.5mm pitch 112‑ball VFBGA Green (RoHS compliant and no antimony or halogenated flame retardants) 1 Device Details Production Information This material is subject to CSR's non-disclosure agreement © Cambridge Silicon Radio Limited 2010 - 2011 Physical Interfaces ■ UART interface ■ USB 2.0 interface (full-speed) ■ Master and slave bit-serialiser (I²C and SPI) ■ Up to 29 PIOs, i.e. 14 general purpose PIOs and unused digital interfaces are available as PIOs ■ SPI debug and programming interface with read access disable locking ■ PCM, I²S and SPDIF interfaces ■ Dual/quad external serial flash memory interface ■ 3 LED drivers (includes RGB) with PWM flasher on sleep clock ■ Support for up to 6 capacitive touch sensor inputs Integrated Power Control and Regulation ■ 2 high-efficiency switch-mode regulators with 1.8V and 1.35V outputs from battery supply ■ 3.3V USB pad supply linear regulator ■ Low-voltage linear regulator for internal digital supply with 0.80V to 1.25V output ■ Low-voltage linear regulator for internal analogue supply with 1.35V output ■ Power-on-reset detects low supply voltage ■ Power management includes digital shutdown and wakeup commands with an integrated low-power oscillator for ultra-low power Park/Sniff/Hold mode Battery Charger ■ Lithium ion / Lithium polymer battery charger with instanton ■ Fast charging support up to 200mA with no external components ■ Higher charge currents using external pass device ■ Supports USB charge enumeration ■ Charger pre-calibrated by CSR ■ PSE compliance: ■ Design to JIS-C 8712/8714 (batteries) ■ Testing based on IEEE 1725 Auxiliary Features ■ Customer application space available ■ Crystal oscillator with built-in digital trimming ■ Clock request output to control external clock ■ Auxiliary ADC and DAC available to applications Package Option ■ 6.5 x 6.5 x 1mm, 0.5mm pitch 112‑ball VFBGA Page 2 of 3 CS-205808-TOP3 www.csr.com CSR8670 BGA Technical Overview Bluetooth Radio ■ On-chip balun (50Ω impedance in TX and RX modes) ■ No external trimming is required in production ■ Bluetooth v3.0 specification compliant Bluetooth Transmitter ■ 10dBm RF transmit power with level control from on-chip 6-bit DAC over a dynamic range >30dB ■ Class 1, Class 2 and Class 3 support without the need for an external power amplifier or TX/RX switch Bluetooth Receiver ■ Receiver sensitivity of -90dBm ■ Integrated channel filters ■ Digital demodulator for improved sensitivity and cochannel rejection ■ Real-time digitised RSSI available to application ■ Fast AGC for enhanced dynamic range ■ Channel classification for AFH Bluetooth Synthesiser ■ Fully integrated synthesiser requires no external VCO, varactor diode, resonator or loop filter ■ Compatible with crystals 19.2MHz to 42MHz or an external clock 19.2MHz to 42MHz ■ Accepts 19.2, 19.44, 19.68, 19.8 and 38.4MHz TCXO frequencies for GSM and CDMA devices with sinusoidal or logic level signals Kalimba DSP ■ Enhanced Kalimba DSP coprocessor, 80MIPS, 24‑bit fixed point core ■ 2 single-cycle MACs; 24 x 24-bit multiply and 56-bit accumulator ■ 32-bit instruction word, dual 24-bit data memory ■ 12K x 32-bit program RAM including 1K instruction cache for executing out of internal flash ■ 32K x 24-bit + 32K x 24-bit 2-bank data RAM Audio Interfaces ■ Audio codec with 2 high-quality dedicated ADCs ■ 2 microphone bias generators and up to 2 analogue microphone inputs ■ Up to 6 digital microphone (MEMS) inputs ■ G.722 compatible, includes improved digital FIR filter path for stop-band attenuation required for G.722 compliance ■ Enhanced side-tone gain control ■ Supported sample rates of 8, 11.025, 16, 22.05, 32, 44.1, 48 and 96kHz (DAC only) Baseband and Software ■ 16Mb internal flash ■ Memory protection unit supporting accelerated VM ■ 56KB internal RAM, enables full-speed data transfer, mixed voice/data and full piconet support ■ Logic for forward error correction, header error control, access code correlation, CRC, demodulation, encryption bit stream generation, whitening and transmit pulse shaping ■ Transcoders for A-law, µ-law and linear voice via PCM and A-law, µ-law and CVSD voice over air 2 Ordering Information Package Device CSR8670C Type Size Shipment Method VFBGA 112‑ball (Pb free) 6.5 x 6.5 x 1mm 0.5mm pitch Tape and reel Order Number CSR8670C‑IBBH‑R Note: Minimum order quantity is 2kpcs taped and reeled. Supply chain: CSR's manufacturing policy is to multisource volume products. For further details, contact your local sales account manager or representative. 2.1 CSR8670C Development Kit Ordering Information Description Order Number CSR8670C Audio Development Kit DK‑8670‑10060‑1A Document History Revision Date Change Reason 1 19 MAY 10 Original publication of this document. 2 25 MAY 10 Editorial changes. 3 01 JUL 11 Production Information. If you have any comments about this document, email [email protected] giving number, title and section with your feedback. Trademarks, Patents and Licences Unless otherwise stated, words and logos marked with ™ or ® are trademarks registered or owned by CSR plc or its affiliates. Bluetooth ® and the Bluetooth ® logos are trademarks owned by Bluetooth ® SIG, Inc. and licensed to CSR. Other products, services and names used in this document may have been trademarked by their respective owners. The publication of this information does not imply that any license is granted under any patent or other rights owned by CSR plc and/or its affiliates. CSR reserves the right to make technical changes to its products as part of its development programme. While every care has been taken to ensure the accuracy of the contents of this document, CSR cannot accept responsibility for any errors. Refer to www.csrsupport.com for compliance and conformance to standards information. Production Information This material is subject to CSR's non-disclosure agreement © Cambridge Silicon Radio Limited 2010 - 2011 Page 3 of 3 CS-205808-TOP3 www.csr.com CSR8670 BGA Technical Overview To contact a CSR representative, email [email protected] or go to www.csr.com/contacts.