Function Description; Indication Of Uart Output; Configuration Procedure Of Module - Ebyte E62 Series User Manual

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2 For some MCU works at 5VDC, it may need to add 4-10K pull-up resistor for the TXD & AUX pin.

5 Function description

5.1 Reset
When the module is powered, AUX outputs low level immediately, conducts hardware self-check and sets the
operating mode based on user's parameters. During the process, the AUX remains low level. After the process completed,
the AUX outputs high level and starts to work as per the operating mode combined by M1 and M0. Therefore, users need
to wait the AUX rising edge as the start of module's normal work.
5.2 AUX description
AUX Pin can be used as indication for wireless send & receive buffer and self-check.
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It can indicate whether there are data that are not sent yet via wireless way, or whether all wireless data has been
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sent through UART, or whether the module is still in the process of self-check initialization.

5.2.1 Indication of UART output

To wake up external MCU
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5.2.2 Configuration procedure of module

Only happened when power-on resetting or exiting sleep mode
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E62-433T30D user manual
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