High-Flying
Low Power WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
www.hi-flying.com
- 13 -
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
HF-SH01
