Configuration Mode (Mode 2); Depth Sleep Mode (Mode 3); Register Read/Write And Control; Command Format - Ebyte E90-DTU User Manual

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7.3

Configuration mode (Mode 2)

Type When M 0 = ON and M 1 = OFF, the module works in mode 2
send Wireless launch closed
receive Wireless receive closed
configure The user can access the register to configure the module operating state
7.4

Depth sleep mode (mode 3)

Type When M 0 = OFF and M 1 = OFF, the module works in mode 3
send Unable to transmit the wireless data.
receive Unable to receive the wireless data.
When entering from the hibernation mode to the other mode, the module will reconfigure the parameters, and the
pay attention to AUX remains low during the configuration process;
After the output high level, it is recommended that the user detect the T _ BUSY rising edge.

8. Register read/write and control

8.1

Command format

Under the configuration mode (mode 2: M 1 = OFF, M 0 = ON), the supported instruction list is as follows (when
setting, only 9600,8N1 format is supported):
Instruction
No
format
1 Set the register
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Instructions: C0 + starting address + length + parameter
Response: C1 + starting address + length + parameter
Example 1: The configuration channel is 0x09
Command start address length parameter
Send to: C0 05 01 09
Return: C1 05 01 09
Example 2: simultaneously configure the module address (0x1234), network address
(0x00), serial port (9600 8N1), empty speed (2.4K)
Send to: C0 00 04 12 34 00 60
Return: C1 00 04 12 34 00 60
E90-DTU(900SL33) User Manual
Define
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