RDA5856ETE芯片资料及引脚定义，二．关键指标：1.接口:USB2.0OTGUARTinterfaceSDcontrollerI2CcontrollerI2SmasterGeneralPurposeI/Os2.音频：Audiocodecwith16bitsstereoDACandonechannel16bitsADCSupportsamplerateof8,11.025,12,16,22.05,32,44.1and48KHz3.蓝牙：4.2+EDRstandard工艺:55nm封装:7.8*6.4mm,，TSSOP24-EP