User Manual

High-Flying
HF-LPT200 Low Power WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com) - 12 -
Pin
Describtion
Net Name
Signal
Type
Comments
13
Wi-Fi Status
nLink
O
“0” – Wi-Fi connect to router
“1” – Wi-Fi unconncted;
Detailed functions see <Notes>
14
GPIO14
GPIO14
I/O
Can be used for sleep control or WPS
function
15
+3.3V Power
DVDD
Power
Power Input: 2.6~3.6V
16
Ground
GND
Power
17
2.4GHz Antenna PAD
Ant_2.4G
O
50ohm Impendence
<Notes>
nReload Pin (Button) function：
1. When this pin is set to “low” during module boot up, the module will enter wireless
firmware and config upgrade mode. This mode is used for customer manufacture.
(See Appendix C to download software tools for customer batch configuration and
upgrade firmware during mass production)
2. After module is powered up, short press this button ( “Low” < 3s ) to make the
module go into “Smart Link “ config mode, waiting for APP to set password and
other information. (See Appendix C to download SmartLink APP)
3. After module is powered up, long press this button ( “Low” > 3s ) to make the
module recover to factory setting.
High-Flying strongly suggest customer fan out this pin to connector or button for
“Manufacture” and “ Smart Link” application.
nLink Pin (LED) function：
1. At wireless firmware and config upgrade mode , this LED used to indicate configure
and upgrade status.
2. At “Smart Link “ config mode, this LED used to indicate APP to finish setting.
3. At normal mode, it’s Wi-Fi link status indicator
High-Flying strongly suggest customer fan out this pin to LED.
1.2.2. Electrical Characteristics
Absolute Maximum Ratings:
Parameter
Condition
Min.
Typ.
Max.
Unit
Storage temperature range
-45
125
°C
Maximum soldering temperature
IPC/JEDEC J-STD-020
260
°C
Supply voltage
0
3.8
V
Voltage on any I/O pin
0
3.3
V
ESD (Human Body Model HBM)
TAMB=25°C
2
KV
ESD (Charged Device Model, CDM)
TAMB=25°C
1
KV