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BK1088 Dataheets PDF



Part Number BK1088
Manufacturers BEKEN
Logo BEKEN
Description BROADCAST AM/FM/SW/LW RADIO RECEIVER
Datasheet BK1088 DatasheetBK1088 Datasheet (PDF)

BK1086/88 BROADCAST AM/FM/SW/LW RADIO RECEIVER Features „ Worldwide 64~108 MHz FM band support „ Worldwide 520~1710kHz AM band support „ SW band support(2.3-21.85MHz, BK1088 only) „ LW band support(153-279kHz,BK1088 only) „ Automatic gain control(AGC) „ Automatic frequency control(AFC) „ Digital FM stereo decoder „ Automatic FM stereo/mono blend „ Automatic noise suppression „ 50us/75us de-emphasis „ RDS/RBDS decoder „ 2.4 ~ 5.5 V supply voltage „ Wide range reference clock support „ 32.768KHz c.

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BK1086/88 BROADCAST AM/FM/SW/LW RADIO RECEIVER Features „ Worldwide 64~108 MHz FM band support „ Worldwide 520~1710kHz AM band support „ SW band support(2.3-21.85MHz, BK1088 only) „ LW band support(153-279kHz,BK1088 only) „ Automatic gain control(AGC) „ Automatic frequency control(AFC) „ Digital FM stereo decoder „ Automatic FM stereo/mono blend „ Automatic noise suppression „ 50us/75us de-emphasis „ RDS/RBDS decoder „ 2.4 ~ 5.5 V supply voltage „ Wide range reference clock support „ 32.768KHz crystal oscillator „ 4x4 mm 24-pin QFN package GPIO1 GPIO2 20 GPIO3 19 18 VA 17 GND GND PAD BK1086/88 16 LOUT 15 ROUT 14 GND 13 VD 7 MODE 8 SEN GND NC 23 24 GND FMI RFGND AMI GND NC 1 2 3 4 5 6 22 NC 9 SCLK 21 10 SDIO 11 RCLK 12 VIO QFN 24 Pin Assignments (Top View) Applications „ Table and portable radios „ CD/DVD players „ Modules Functional Block Diagram FM ANT MIXER FM LNA RDS General Description The BK1086/88 AM/FM receiver employs a low-IF architecture, mixed signal image rejection and all digital demodulation technology. The station scan of BK1086/88 searches radio stations based on both the channel RSSI estimation and signal quality assessment, increases the number of receivable stations while avoids false stops. BK1086/88 enables FM/AM/SW/LW radio reception with low power, small board space and minimum number of external component. MW ANT RFGND MIXER AM LNA PGA PGA I Q ADC DAC LOUT ROUT DSP ADC DAC AUTO TUNE 32.768KHz 0/90 GPIO SDIO SEN SCLK VIO VDD REG BK1086/88 Rev.1.0 Copyright©2010 by Beken Corporation BK1086/88 Beken Confidential. Information contained herein is covered under non-disclosure agreement (NDA). MCU DPLL APLL CONTROL INTERFACE Free Datasheet http://www.datasheet4u.net/ BK1086/88 1 Table of Contents 1 2 Table of Contents.................................................................................................................. 2 Functional Description ......................................................................................................... 3 2.1 FM Receiver ................................................................................................................... 3 2.2 AM Receiver................................................................................................................... 3 2.3 Interface Bus .................................................................................................................. 4 2.3.1 3-wire bus mode ........................................................................................................ 4 2.3.2 I2C bus mode............................................................................................................. 4 2.4 Stereo Audio Processing................................................................................................ 5 2.5 Seek/Tune System ......................................................................................................... 5 2.6 GPIO output ................................................................................................................... 6 2.7 RDS Processor............................................................................................................... 6 2.8 Reference Clock............................................................................................................. 7 2.9 Initialization Sequence ................................................................................................... 7 3 Design Specification............................................................................................................. 8 3.1 Recommended Operating Conditions............................................................................ 8 3.2 Power Consumption Specification ................................................................................. 8 3.3 Receiver Characteristics ................................................................................................ 9 3.4 I2C Control Interface Characteristics ........................................................................... 11 3.5 3-Wire Control Interface Characteristics ...................................................................... 12 4 Register Definition .............................................................................................................. 13 5 Pin Assignment................................................................................................................... 23 6 Typical Application Schematic.......................................................................................... 24 7 Package information........................................................................................................... 25 8 Solder Reflow Profile.......................................................................................................... 27 9 Order information .................................................................................................


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