AFH_Declaration

FCC ID: A94AI1

Cover Letter(s)

Download: PDF
FCCID_3015922

                       AI1 Adaptive Frequency Hopping Declaration.


The Bluetooth radio IC is a CSR8670 that supports adaptive frequency hopping based on the
Bluetooth v3.0 software and v4.0 compliant hardware. The minimum number of hopping
channels is 20, see page 3.

Refer to the datasheet brief shown below:




                                                                                            1


                                                                                          i//7l

1      Device Details
Blustooth Redio                                                    Physical Interfaces
®    On—chip balun (500 impedance in TX and RX modes)              _    UART interface
®    No extermal trimming is required in production                w    USB 2.0 interface (full—speed)
®—   Bluetooth v3.0 specification compliant                        ®    Master and slave bit—serialiser °C and SP1}
Bluetooth Transmitter                                              ®    Up to 29 PIOs, i.e. 14 general purpose PIOs and unused
®    100Bm RF fransmit power with level control from on—chip            digital interfaces are available as PIOs
     6—bit DAC over a dynamic range >300B                               SPI debug and programming interface with read access
®—   Class 1, Class 2 and Class 3 support without the need for          disable locking
     an extemnal power amplifier or TX/RX switch                   w    PCM, PS and SPDIF interfaces
Bluetooth Receiver                                                 ®    Dualiquad extemnal serial flash memory interface

®    Receiver sensitivity of —900Bm                                ®    3 LED drivers (includes RGB) with PWM flasher on sleep
                                                                        clock
®    integrated channel filters
                                                                   ®—   Support for up to 6 capacitive touch sensor inpuls
®    Digital demodulator for improved sensitivity and co—
     channel rejection                                             Integrated Power Control and Regulation
®    Reaktime digitised RSSI available to application              @2 high—efficiency switch—mode regulators with 1.8V and
®    Fast AGC for enhanced dynamic range                                1.35V outputs from battery supply
®    —                                                             w    3.3V USB pad supply linear regulator
                                                                   ®—   Lowevoltage linear regulator for internal digital supply with
Blustooth Synthesiser
                                                                        0.80V to 1.25V output
®—   Fully integrated synthesiser requires no external VCO,
                                                                   @    Lowevoltage linear regulator for internal analogue supply
     varactar diade, resonator or loop filter
                                                                        with 1.35V output
®—   Compalible with crystals 19.2MHz to 42MHz or an external
                                                                   ®—   Power—on—reset delects low supply vollage
     clock 19.2MHz to 42MHz
                                                                        Power management includes digital shutdown and wake—
®    Accepts 19.2, 19.44, 19.68, 19.8 and 38.4MHz TCXO
                                                                        up commands with an integrated low—power oscillator for
     frequencies for GSM and CDMA devices with sinusoidal
                                                                        ullra—ow power Park/SniffHold mode
     or logic level signals
Kalimba DSP
                                                                   Battery Charger
                                                                        Lithium ion / Lithium polymer battery charger with instant—
®   Enhanced Kelimba DSP copracessor, SOMIPS, 24—bit
                                                                        on
     fixed point core
                                                                        Fast charging support up to 200mA with no external
2 single—cycle MACs; 24 x 24—bit multiply and 56—bit
                                                                        components
     accumulator
                                                                        Higher charge currents using external pass device
®    32—bit instruction word, dual 24—bit data memory
                                                                        Supports USB charge enumeration
®—   12K x 32—bit program RAM including 1K instruction cache
                                                                        Charger pre—calibrated by CSR
     for executing out of internal fash
                                                                        PSE compliance:
®—  32Kx 24—bit + 32K x 24—bit 2—bank data RAM
Audio Interfaces                                                        ®    Design to JIS—C 87128714 (batteries)
                                                                        ®    Testing based on IEEE 1725
®   Audio codec with 2 high—quality dedicated ADCs
®    2 microphone bias generators and up to 2 analogue
                                                                   Auxiliary Features
     microphone inputs                                             ®—   Customer application space available
®—   Up to 6 digilal microphone (MEMS) inputs                      ®—   Crystal oscillator with buill—in digital trimming
®    6.722 compatible, includas improved digital FIR filter path   ®—   Clock request output to control external clock
     for stop—band attenuation required for G.722 compliance       ®—   Auxiliary ADC and DAC available to applications
®   Enhanced side—lone gain control                                Package Option
®—  Supported sample rates of 8, 11.025, 16, 22.05, 32, 44.1,      ®    6.5 x 6.5 x 1mm, 0.5mm pitch 112—ball VFBGA
    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/deta 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, y—law and linear voice via PCM and
     Aclaw, plaw and CVSD voice over air

Production information                                                                                                      Page 2 of 3
This material is subject to CSR‘s non—disclosure agreement                                                          CS—205808—TOP3
© Cambridge Silicon Radio Limiled 2010 — 2011                                                                           www.os.com


Adaptive frequency hopping was added with the v1.2 Bluetooth standard.




Bryan H. Cerqua

Bose Corporation
The Mountain Road
Framingham, MA 01701 USA




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Document Created: 2017-12-07 04:11:16
Document Modified: 2017-12-07 04:11:16

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