bk1086-88e数据手册v1.263089

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1、BK1086/88E(ES)调幅/调频/短波/长波广播无线电接收器特性GNDLINRINEXTLNAGPIO2GPIO3¢支持全世界64~108MHz调频频段242322212019¢支持全世界520~1710kHz调幅频段GND118VA¢支持短波频段(2.3-21.85MHz,仅FMI217GNDBK1088E支持)RFGND3GNDPAD16LOUT¢支持长波频段(153-279kHz,仅BK1088EAMI4BK1086/88EQ15ROUTGND514GND支持)GND613VD¢自动增益控制(AGC)789101112NCNSCLKSDIORC

2、LKVIO¢自动频率控制(AFC)C¢数字立体声调频解码器¢自动调频立体声/单声道转换控制QFN24管脚定义图(顶视图)¢自动噪声抑制¢50us/75us去加重¢RDS/RBDS解码器GND120LIN1¢供电电压2.4~5.5VGND219RIN1FMI318LIN2¢支持多频率参考时钟信号RFGND417RIN2¢32.768KHz晶体振荡器AMI5BK1086/88E16EXTLNA¢4x4mm24-pinQFN封装和SSOP20-pinSSOP20GND615GPIO2封装SCLK714GPIO3SDIO813VA应用RCLK912LOUTVDD1

3、011ROUT¢桌面和手持式收音机¢CD/DVD播放器SSOP20管脚定义图(顶视图)¢模块总体描述功能框图BK1086/88E调幅/调频接收器采用了低中频架构、混频信号镜像抑制和所有数字解调技术。电台搜索采用了频道接收信号强度MWANT（RSSI）评估和信号质量评估技术，从而实现了增加真台数量的同时尽可能地避免MCU了假台的出现。使用BK1086/88E可以使CONTROLINTERFACEFM/AM/SW/LW广播接收实现低功耗，小体积和最小数量的外围器件。Rev.1.2Copyright©2012byBekenCorporationBK1086/88

4、EBekenConfidential.Informationcontainedhereiniscoveredundernon-disclosureagreement(NDA).BK1086/88E1目录1目录.........................................................................................................................................22功能描述..................................

5、................................................................................................32.1FM接收器..........................................................................................................32.2AM接收器.............................................................

6、............................................32.3接口总线.............................................................................................................42.3.1I2C总线模式..................................................................................................42.4立体声音频

7、处理.................................................................................................42.5Seek/Tune系统...................................................................................................52.6GPIO输出管脚........................................................

8、.................................