9WiFi/Bluetoothconnectivity
WifiandBluetoothconnectivityisprovidedbytheNinaW102(U2)module.TheRP2040only
has4analogpins,andtheNinaisusedtoextendthattothefulleightasisstandardinthe
ArduinoNanoformfactorwithanother412-bitanaloginputs(A4-A7).Additionally,the
commonanodeRGBLEDisalsocontrolledbytheNinaW-102modulesuchthattheLEDis
offwhenthedigitalstateisHIGHandonwhenthedigitalstateisLOW.TheinternalPCB
antennainthemoduleeliminatestheneedforanexternalantenna.TheNinaW102module
alsoincludesadualcoreXtensaLX6CPUthatcanalsobeprogrammedindependantlyof
theRP2040throughthepadsundertheboardusingSWD.
106-axisIMU
Itispossibletoobtain3Dgyroscopeand3DaccelerometerdatafromtheLSM6DSOX6-axis
IMU(U9).Inadditiontoprovidingsuchdata,itisalsopossibletodomachinelearningonthe
IMUforgesturedetection.
11Externalmemory
TheRP2040(U1)hasaccesstoanadditional16MBofflashmemoryviaaQSPIinterface.
Theexecute-in-place(XIP)featureoftheRP2040allowsexternalflashmemorytobe
addressedandaccessedbythesystemasthoughitwereinternalmemory,withoutfirst
copyingthecodetointernalmemory.
12Cryptography
TheATECC608ACryptographicIC(U4)providessecurebootcapabilitiesalongsideSHAand
AES-128encryption/decryptionsupportforsecurityinSmartHomeandIndustrialIoT(IIoT)
applications.Additionally,arandomnumbergeneratorisalsoavaliableforusebythe
RP2040.
13Microphone
TheMP34DT06JmicrophoneisconnectedviaaPDMinterfacetotheRP2040.Thedigital
MEMSmicrophoneisomnidirectionalandoperateviaacapacitivesensingelementwitha
high(64dB)signaltonoiseratio.Thesensingelement,capableofdetectingacoustic
waves,ismanufacturedusingaspecializedsiliconmicromachiningprocessdedicatedto
produceaudiosensors.