Chengdu Ebyte Electronic Technology Co.,Ltd.
E22-400T22D User Manual
Copyright ©2012–2019
,
Chengdu Ebyte Electronic Technology Co.,Ltd.
4-13
6.5 Deep sleep mode
(
Mode 3
)
Type
M0 = 1
,
M1 = 1
Transmitting
Unable to transmit wireless data
Receiving
Unable to receive wireless data
Note
When from the sleep mode to other modes, the module will reconfigure the parameters. During the configuration process,
AUX will remain low; After configuration,it outputs high level, we suggest that user test rising edge T_BUSY.
7. Register read and write control
7.1 Command format
In configuration mode (mode 2: M1 = 1, M0 = 0), the list of supported commands are as follows (only 9600, 8N1
format is supported when)
:
No.
Command format
Description
1
Set register
Command: C0+starting parameters
Response: C1+starting parameters
E.g 1: Channel is 0x09
command starting address length parameter
Send:
C0
05
01
09
Return: C1
05
01
09
E.g 2: Configure module address (0x1234), network address (0x00), serial port (9600 8N1) and air
data rate (1.2K).
Send: C0 00 04 12 34 00 61
Return: C1 00 04 12 34 00 61
2
Read register
Command: C1+starting length
Response: C1+starting parameters
E.g 1
:
Read channel
command starting address length parameter
Send:
C1
05
01
Return: C1
05
01
09
E.g 2: Read module address, network address, serial port and air data rate.
Send: C1 00 04
Return: C1 00 04 12 34 00 61
3
Set
temporary
registers
Command: C2+starting parameters
Response: C1+starting parameters
E.g 1: Channel is 0x09
command starting address length parameter
Send:
C2
05
01
09
Return: C1
05
01
09
E.g 2: Configure module address (0x1234), network address (0x00), serial port (9600 8N1) and air
data rate (1.2K).
Send: C2 00 04 12 34 00 61