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5.6.6 Precautions
No.
The above function 1 and function 2 , output low level priority, that is: meet any output low level condition,
1
AUX will output low level;
When all low-level conditions are not met, AUX outputs a high level.
When the AUX outputs a low level, it means the module is busy, and the working mode detection will not be
2
performed at this time;
When the module AUX outputs a high level within 1ms , the mode switching will be completed.
After the user switches to a new working mode, at least 2ms after the rising edge of AUX , the module will
3
actually enter this mode;
If AUX is always at high level, then the mode switch will take effect immediately.
When the user enters other modes from mode 3 (sleep mode) or during the reset process, the module will reset
4
the user parameters, during which AUX outputs low level.
5.7 Detailed Explanation of Wireless Sending and Receiving Instructions
It is used for wireless data sending and receiving processing instructions, and the flip frequency is 100ms
( according to the actual data size, airspeed, and baud rate, it may be pulled up or pulled down in advance if it is less
than 100ms );
It indicates whether the module has data that has not been transmitted through the wireless, or whether the wireless
data that has been received has not been sent out through the serial port.
Note: The wireless data transmission TX_AUX starts to pull down after the serial port receives the data and the wireless
data packet is established (the flip frequency is 100ms ), and it does not flip until the RF data is sent, and keeps high.
Note: The wireless data receiving RX_AUX starts to pull down 3-4ms before the serial port output data (the flipping
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Notes on AUX
Wireless data transmission TX_AUX timing
Wireless data receiving RX_AUX timing
E22-xxxTxxE User Manual
13
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