High-Flying HF-LPT270 Panduan Pengguna - Halaman 10

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High-Flying HF-LPT270 Panduan Pengguna
HF-LPT270 Series Wi-Fi&BLE User Manual
High-Flying strongly suggest customer fan out this pin to connector or button for
"Manufacture" upgrade or "SmartLink" application.
nReady Pin (LED) function(Low effective):
1.
OS initial finished indicator. Only after this pin output low, can the UART function be
used.
nLink Pin (LED) function(Low effective):
1.
At wireless firmware and config upgrade mode , this LED used to indicate configure
and upgrade status.
At "SmartLink" config mode, this LED is used to indicate APP to finish setting.
2.
3.
At normal mode, it's Wi-Fi link status indicator. Output Low when STA mode connect
to router AP or other STA connect to it when in AP mode.
High-Flying strongly suggest customer fan out this pin to LED.
UART1 Debug ：
1.
Is used for debug log or firmware program, baud rate 921600.

1.2.2. Electrical Characteristics

Parameter
Work temperature range
Maximum soldering temperature
ESD (Human Body Model HBM)
ESD (MM)
Shanghai High-Flying Electronics Technology Co., Ltd(www.hi-flying.com)
Table3.
Absolute Maximum Ratings:
Condition
IPC/JEDEC J-STD-020
TAMB=25° C
TAMB=25° C
Min.
Typ.
Max.
-40
85
260
2.5
0.25
- 10 -
Unit
° C
° C
KV
KV