CSR8670数据手册CSR8670芯片手册CSR8670DatasheetWLCSPCSR8670C-ICXT.pdf

CSR8670

datasheet

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Features

BlueCore

CSR8670™ WLCSP

■

Bluetooth

v4.0 specification fully qualified

software

■

Radio includes integrated balun

■

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, I²C

■

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

■

4.73 x 4.84 x 0.6mm, 0.5mm pitch 79-ball WLCSP

■

Green (RoHS compliant and no antimony or

halogenated flame retardants)

Fully Qualified Single-chip

Bluetooth

v4.0 System

Low-power Solution for

DSP-intensive Audio Applications

Production Information

CSR8670C

Issue 3

2. 4GHz

Radio

Balun

I/O

BT_RF

RAM

Baseband

MCU

Kalimba

DSP

FlashXTAL

Serial Flash

Exter nal

Memory

UART/USB

PIO

Audio In / Out

PCM/I

SPDIF

SPI /I

LED /PO

Audio

Interface

Capacitive

Sense

Clock

Gener ation

General Description

BlueCore

CSR8670™ WLCSP 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.

CSR's popular BlueCore5-Multimedia

platform is

software-portable to the CSR8670 WLCSP, 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.

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 well-

being 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

Confidential Information - This Material is Subject to CSR's Non-disclosure Agreement

Page 1 of 116

CS-204531-DSP3

www.csr.com

CSR8670 WLCSP

Data Sheet

Prepared for xiansheng peng - dspan.net - Tuesday, April 15, 2014

Device Details

Bluetooth low energy

■ Dual‑mode Bluetooth low energy radio

■ Support for Bluetooth basic rate / EDR and low energy

connections

■ 3 Bluetooth low energy connections at the same time as

basic rate A2DP

Bluetooth Radio

■ On‑chip balun (50Ω impedance in TX and RX modes)

■ No external trimming is required in production

■ Bluetooth v4.0 specification compliant hardware

■ Bluetooth v4.0 specification fully qualified software

Bluetooth Transmitter

■ 10dBm RF transmit power with level control from on‑chip

6‑bit DAC

■ Class 1, Class 2 and Class 3 support without the need for

an external power amplifier or TX/RX switch

Bluetooth Receiver

■ Receiver sensitivity: -90dBm (basic rate) and -92dBm

(EDR)

■ Integrated channel filters

■ Digital demodulator for improved sensitivity and

co‑channel 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 32MHz or an external

clock 19.2MHz to 40MHz

■ 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

■ Single‑cycle MAC; 24 x 24‑bit multiply and 56‑bit

accumulate with improved architecture and instructions for

better performance

■ 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

■ 1 microphone bias generator and up to 2 analogue

microphone inputs

■ Up to 6 digital microphone inputs (MEMS)

■ 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)

Package Option

■ 4.73 x 4.84 x 0.6mm, 0.5mm pitch 79-ball WLCSP

Physical Interfaces

■UART interface

■ USB 2.0 interface (full‑speed)

■ Master and slave I²C interface

■ Up to 24 PIOs, i.e. 8 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

0.85V to 1.20V 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

wake‑up commands with an integrated low‑power

oscillator for ultra‑low power Park/Sniff/Hold mode

Battery Charger

■ Lithium ion / Lithium polymer battery charger with

instant‑on

■ 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

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

Production Information

Confidential Information - This Material is Subject to CSR's Non-disclosure Agreement

Page 3 of 116

CS-204531-DSP3

www.csr.com

CSR8670 WLCSP

Data Sheet

Prepared for xiansheng peng - dspan.net - Tuesday, April 15, 2014

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