HF-LPT120G Low Power Wi-Fi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com) - 9 -
Detailed functions see
<Notes>
“Low” effective reset input.
Can be configured as
GPIO_2
Detailed functions see
<Notes>
<Notes> PIN3/PIN9 must be high when bootup, otherwise the module will fail to work.
I —Input；O —Output
PU—Internal Resistor Pull Up；I/O: Digital I/O；Power—Power Supply
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 D 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” < = 2s ) to make the
module go into “Smart Link “ config mode, waiting for APP to set password and
other information. (See Appendix D to download SmartLink APP)
3. After module is powered up, long press this button ( “Low” >= 4s ) 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:
Storage temperature range
Maximum soldering temperature
ESD (Human Body Model HBM)
Power Supply & Power Consumption:
