User's Manual

KeyFeatures
 HighlyintegratedSoCrequiringveryfewexternalcomponentsforafullsystemoperation
 Multiplelow‐powermodesandfastwake‐uptimes„Full‐featured,singlestream802.11n/g/bWLAN
 High‐efficiencyPAwithalow‐power(10dB)mode
 Cortex‐M4FapplicationCPUforapplicationswithintegrated512KBSRAMand128KBmaskROM
 FlashControllerwithembedded32KBSRAMcachetosupportXIPfromexternalSPIFlash„Secureboot
 FullsetofdigitalandanalogI/Ointerfaces
PowerManagement
 Powermodes—active,idle,standby,sleep,shutoff,power‐down
 IntegratedhighefficiencybuckDC‐DCconverter
 Independentpowerdomains
 Brownoutdetection„IntegratedPOR
 Wake‐upthroughdedicatedGPIO,IRQ,andRTC
Temperature
 Extended:‐30to85°C
 Industrial:‐40to85°C
 Storage:‐55to125
Wireless
 IEEE802.11n/g/b,1x1SISO2.4GHzandHT20
 IntegratedCPU,memory,MAC,DSSS/OFDMbaseband,directconversionRFradio,encryption
 Antennadiversity
 CMOSandlow‐swingsinewaveinputclock
 Low‐powerwithdeepsleepandstandbymodes
 Pre‐regulatedsupplies
 IntegratedT/Rswitch,PA,andLNA
 Optional802.11nfeatures
 OneTimeProgrammable(OTP)memorytoeliminateneedforexternalEEPROM
WLANRxPath
 DirectconversionarchitectureeliminatesneedforexternalSAWfilter
 On‐chipgainselectableLNAwithoptimizednoisefigureandpowerconsumption
 HighdynamicrangeAGCfunctioninreceivemode