SNSKB21SNSB32SNSKB33VDD4VSS5SNSKB46SNSB47SNSB58SNSKB59SNSKB610SNSKB711SNSB612SNSB713SS#14MOSI15MISO16SCK17VDD18DRDY19CHANGE20VSS21SPREAD22SNSA123SNSKA124SNSA225SNSKA226SNSA327SNSKA328RESET#29SNSB130SNSKB31SNSB232GND33