Deep Sleep Mode (Mode 3); 8、 Register Read And Write Control; Command Format - Ebyte E90-DTU User Manual

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reception Wireless reception is off
disposition The user can access registers to configure the module operating state

7.4 Deep Sleep Mode (Mode 3)

type When M0 = OFF and M1 = OFF, the module operates in mode 3
transmit
Wireless data cannot be transmitted.
reception Unable to receive wireless data.
When entering another mode from sleep mode, the module will reconfigure the parameters, and the AUX will remain low
note during the configuration process；
When finished, the output is high, so it is recommended that the user detect the rising edge of the T_BUSY.
8、 Register read and write control

8.1 Command format

In the configuration mode (mode 2: M1=OFF, M0=ON), the list of supported instructions is as follows (when set, only 9600, 8N1
formats are supported).：
serial
numbe Instruction format
r
1 Set the registers
2 Read registers
Set temporary
3
registers
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Instructions: C0 + start address + length + parameter
Response: C1 + start address + length + parameter
Example 1: Configure the channel to 0x09
Directive Start Address Length parameter
Send: C0 05 01 09
Return: C1 05 01 09
Example 2: Simultaneous configuration of module address (0x1234), network address (0x00), serial port
(9600 8N1), airspeed (1.2K)
Send: C0 00 04 12 34 00 61
Return: C1 00 04 12 34 00 61
Instructions: C1 + start address + length
Response: C1 + start address + length + parameter
Example 1: Read the channel
Directive Start Address Length parameter
Send: C1 05 01
Return: C1 05 01 09
Example 2: Read the module address, network address, serial port, and airspeed at the same time
Send: C1 00 04
Return: C1 00 04 12 34 00 61
Instructions: C2 + start address + length + parameters
Response: C1 + start address + length + parameter
Example 1: Configure the channel to 0x09
Detailed description
E90-DTU(400SL33) User Manual