Users Manual

• SupportUART/GPIO/ADC/PWM/I2C/I2Sinterface
• SupportAES/DES/3DES/SHA/MD5/CRCencryptionengine
• SupportSTA/AP/STA+APmode
• SupportSmartConfig/AirKiss（WeChat） One‐clickdistribution
network
• SupportLocalfirmwareupgradeusingUARTandremoteupgrade
（FO TA）
• HasuniversalandfriendlyATcommandset
• Supportsecondarydevelopment,supportWindows,Linux
developmentenvironment
• Integratedaudiosubsystem,includingadigitalmicrophone
controllerwithvoiceinputsway,one24‐bitaudioDACchannelwith
8KHzto192KHzsamplingrate,one24‐bitaudioADCchannelfor
microphoneinputwith8KHzto48KHzsamplingrate,one24‐bit
audioADCchannelforline‐ininterface,supportingsamplerates
from8KHzto48KHz
• Integratedvideosubsystem(Video),supportJPEG,YUVencoding
mode,supportnv12inputformatinofflineencodingmode,support
configurablepictureresolution,minimumpictureresolution:32x32,
maximumpictureresolution:1920x1088
• Onboard2dBiPCBantenna
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