Datasheet WA1470 (WAVIoT) - 9

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Datasheet WA1470 NB-Fi transceiver Chip Modes
The transceiver has different modes of operation with different expected transition times and different blocks ON/OFF as indicated in the table 2. Table 2: Chip Operation Modes and Expected Transition Times
Deep Initial Mode Initial Mode Conditions Idle Normal Rx Normal Tx Sleep Sleep
All bias circuits are ON All Rx Blocks are OFF Idle N/A 20 us 20 us 20 us 1 ms All Tx Blocks are OFF LO is ON All bias circuits are ON All Rx Blocks are ON Normal Rx 10 us N/A 10 us 20 us 1 ms All Tx Blocks are OFF LO is ON All bias circuits are ON All Rx Blocks are OFF Normal Tx 10 us 10 us N/A 20 us 1 ms All Tx Blocks are ON LO is ON All bias circuits are ON All Rx Blocks are OFF Sleep 3 ms 3 ms 3 ms N/A 1 ms All Tx Blocks are OFF LO is OFF Core bias circuits1 are OFF All Rx Blocks are OFF Deep Sleep 3 ms 3 ms 3 ms 3 ms N/A All Tx Blocks are OFF LO is OFF All circuits are OFF Transition from shutdown to any other mode Shutdown (Analog & Digital) is expected in 3ms 1 Core bias circuits include reference voltage (bandgap), LDOs (Other than digital LDO) and bias voltage & current for any block other than Rx, Tx & Synthesizer (LO) blocks. Rev 5 – June 2020 Page 9 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