User's Manual

T90-DTU User Manual
9
the configuration software on computer.
Mode 3
Sleep Mode
OFF
OFF
DTU is in sleep mode.
Note: WOR(mode 1) and sleep mode(mode 3) are for low power consumption. If users do not require low
power, then it is OK to use mode 0 and mode2 only.
6.1. Normal mode（ mode 0）
M0 = ON，M1 = ON，device works in Mode 0
Transmitting
Users send data via UART. The device will start wireless transmission.
Receiving
Wireless receiving is enabled, data received will be output via pin TXD.
6.2. WOR mode（mode 1）
M0 = OFF，M1 = ON，device works in Mode 1
Transmitting
As a transmitter, a certain preamble code will be added before each transmission.
Receiving
Wireless receiving is enabled, its function is same as Mode 0.
6.3. Configuration mode（mode 2）
M0 = ON，M1 = OFF，device works in Mode 2
Transmitting
Wireless transmission is off.