Ebyte E34-2G4D20D, Руководство пользователя

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Chengdu Ebyte Electronic Technology Co., Ltd. E34-2G4D20D User manual
Copyright ©2012–2018, Chengdu Ebyte Electronic Technology Co.,Ltd.
10
7.4 Reset instruction
Instruction format Description
C4+C4+C4
In setting 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 instruction
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-off
C2: Do not save the parameters when
power-off
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 8E1
1 1
8N1 （ equal to 00 ）
5 4 3
TTL Serial port rate （ bps ）

UART baud rate can be different
between communication parties

The UART baud rate has nothing to do
with wireless transmission parameters
& won’t affect the wireless transmit /
receive features.
0 0 0 Serial port baud rate 1200
0 0 1 Serial port baud rate 2400
0 1 0 Serial port baud rate 4800
0 1 1
Serial port baud rate 9600 （ Default ）
1 0 0 Serial port baud rate 19200
1 0 1 Serial port baud rate 38400
1 1 0 Serial port baud rate 57600
1 1 1 Serial port baud rate 115200
2 1 0 Reserved
0 (recommended)
4 CHAN
General model
7
、 6 、 5 、 4 reserved
0 (recommended)
communication channel
00H-1FH,16 channels in total;
Corresponds to CHAN * 7MHz
3
、
2
、
1
、
0 ,default00H
（
2400MHz
）
5
OPTIO
N
7 Reserved
0(recommended)
6
IO Drive mode （ Default 1 ）
This bit is used to the module internal
pull-up resistor. It also increases the level’s
adaptability in case of open drain. But in
some cases, it may need external pull-up
resistor.
1 TXD
、
AUX push-pull output
，
RXD pull up input
0
TXD 、 AUX open output ， RXD open input
5 4 3 reserved
0(recommended)
2 reserved 0(recommended)