Ebyte E32-433T20S1, Руководство пользователя, Страница: 15 / 23

Chengdu Ebyte Electronic Technology Co,;Ltd E32-433T20S1 user manual
Copyright ©2012–2021
，
Chengdu Ebyte Electronic Technology Co.,Ltd.
14
7.2 Reading operating parameters
Instruction format Description
C1+C1+C1
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
Instruction format Description
C3+C3+C3
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.
32 here means the module model (E32 series); xx is the version number and yy refers to the other
module features.
7.4 Reset command
Instruction format Description
C4+C4+C4
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
No. Item Description Remark
0 HEAD
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
1 ADDH
High address byte of module
（ the default 00H ）
00H-FFH
2 ADDL
Low address byte of module
（ the default 00H ）
00H-FFH
3 SPED
7 6 UART parity bit

UART mode can be different between
communication parties
0 0 8N1 (default)
0 1 8O1
1 0 8 E1