Lierda Science & Technology Group Co. Ltd LSD4WF2MD05106 Manuel D’Utilisation

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8
 
46 
NC
 
NC 
47 
Reset
 
Reset pin
 
48 
GND
 
Ground pin
 
Table 1-1    LSD4WF-2MD05106 Module pin definition 
5. Behavior of electricity
Parameters
Minimum 
Typical value 
Maximum 
Unit 
Working 
voltage 
3.0
3.3
3.6
V
Standby current 
15 
mA 
Static current 
26 
mA 
TX 
current
160
mA
RX current 
65 
mA 
Table1-2  LSD4WF-2MD05106
 behavior of electricity
 
6. Typical application
Pic1-5 LSD4WF-2MD05106 Typical circuit connection 
Pin
State
Remark
nlink 
Output (connected to LED) 
Check the network state of module or indication 
for batch upgrade or configuration 
nReload 
Input, valid in low level 
Connect button to chip pin for factory setting 
restoring  
nReset 
Input, valid in low level 
Reset pin 
USART_TX/USAR 
T_RX 
Serial port transceiver port 
Serial port transceiver port 
Table 1-3 Connection introduction of cardinal pin