User's Manual

T90-DTU User Manual
10
Receiving
Wireless receiving is off.
Configuration
Users can visit register to configure the working status.
6.4. Sleep mode（mode 3）
M0 = OFF，M1 = OFF，device works in Mode 3
Transmitting
Wireless transmission is unavailable.
Receiving
Wireless receiving is unavailable.
Note
When entering other modes from the sleep mode, the parameters will be reconfigured. During the configuration process, AUX
remains low level;
After the configuration, it outputs high level, it is recommended that users detect the rising edge T_BUSY.
7. Register read and write control
7.1. Command format
In configuration mode（mode 2：M1=OFF，M0=ON），supported commands are as follows（only 9600，8N1 are available）：
NO
Command format
Description
1
Configure register
command：C0+start address+length+parameter
Reply：C1+start address+length+parameter
Example 1：set channel as 0x09
command start address length parameter
Transmit：C0 05 01 09
Return：C1 05 01 09
Example 2：set module address（0x1234),network address (0x00),UART(9600 8N1),air data rate(1.2K)
Transmit：C0 00 04 12 34 00 61
Return：C1 00 04 12 34 00 61
2
Read register
Command：C1+start address+length
Reply：C1+start address+length+parameter
Example 1: read channel
command start address length parameter
Transmit：C1 05 01
Return：C1 05 01 09
Example 2: read module address, network address, UART and air data rate
Transmit：C1 00 04
Return：C1 00 04 12 34 00 61
3
Configure temporary
register
Command：C2 +start address+length+parameter
Reply：C1 +start address+length+parameter