Indication Of Uart Output; Indication Of Wireless Transmitting - Ebyte E70 Series User Manual

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5.6.1 Indication of UART output

To wake up external MCU
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5.6.2 Indication of wireless transmitting

Buffer (empty): the internal 1024 bytes data in the buffer are written to the RFIC (Auto sub-packaging).
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When AUX=1, the user can input data less than 1024 bytes continuously without overflow. Buffer (not empty):
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when AUX=0, the internal 1024 bytes data in the buffer have not been written to the RFIC completely. If the user
starts to transmit data at this circumstance, it may cause overtime when the module is waiting for the user data, or
transmitting wireless sub package.
When AUX = 1, it does not mean that all the UART data of the module have been transmitted already, perhaps the
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last packet of data is still in transmission.
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E70-900T14S2 user manual
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