Chengdu Ebyte Electronic Technology Co,;Ltd E32-868T20D user manual
Copyright ©2012–2019，Chengdu Ebyte Electronic Technology Co.,Ltd. 13
7.2 Reading operating parameters
In sleep mode（M0=1，M1=1），
User gives the module instruction (HEX format): C1 C1 C1,
Module returns the present configuration parameters.
For example, C0 00 00 1A 17 44.
7.3 Reading version number
In sleep mode（M0=1，M1=1）,User gives the module instruction (HEX format): C3 C3 C3,Module
returns its present version number, for example C3 32 xx yy. the second bytes means frequency. 32
here means the frequency is 433MHZ, 38 means frequency is 470MHz, 45 means frequency is;
868MHz, 44 means the frequency is 915 MHz, 46 means the frequency is 170MHz; xx is the version
number and yy refers to the other module features.
In sleep mode（M0=1，M1=1）,
User gives the module instruction (HEX format): C4 C4 C4, the module resets for one time. During
the reset process, the module will conduct self-check, AUX outputs low level. After reset completing,
the AUX outputs high level, then the module starts to work regularly which the working mode can be
switched or be given another instruction.
7.5 Parameter setting command
Fix 0xC0 or 0xC2, it means this frame data is control command
Must be 0xC0 or 0xC2
C0: Save the parameters when power-down
C2: Do not save the parameters when
power-down
High address byte of module
（the default 00H）
Low address byte of module
（the default 00H）
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