DatasheetWA1470 NB-Fi transceiver The shutdown mode is not controlled by SPI, it is controlled by a master enable pin. All other modes (other than shutdown) are controlled by SPI commands where all transitions are allowed as indicated in table 3. Table 3: Mode controls in different modes of operation TxRx_poffTxRx_sleepTxRx_idleTxON_RxOFFMode / ControlREG47[7]REG47[6]REG47[5]REG47[4] Deep Sleep 1 X X X Sleep 0 1 X X Idle 0 0 1 X Normal Tx 0 0 0 1 Normal Rx 0 0 0 0 Rev 5 – June 2020 Page 10 of 24 sales@waviot.com | www.waviot.com Document Outline Key Product Features General Description Applications Block Diagram & Chip Architecture Pin Diagram Pin List & Description Typical Connectivity Chip Modes Specifications ESD Ratings Operating Range Performance Specifications Description of the Registers eFuse Mirror Registers Non-eFuse Writable Registers Read Only Registers Packaging Information Contact Information