User Manual

High-Flying
HF-LPB100 Low Power WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
www.hi-flying.com
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47 Module Reset EXT_RESETn I,PU “Low” effective reset input.
<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.
(High-Flying will provide 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.
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
Power Supply & Power Consumption:
Parameter Condition Min. Typ. Max. Unit
Operating Supply voltage 2.8 3.3 3.8 V
Supply current, peak Continuous Tx 200 mA
Supply current, IEEE PS DTIM=100ms 12 mA
Output high voltage Sourcing 6mA 2.8 V
Output low voltage Sinking 6mA 0.2 V
Input high voltage 2.2 V
Input low voltage 0.8 V