User's Manual

HF-LPB Low Power WiFi Module User Manual
Shanghai High-Flying Electronics Technology Co., Ltd
www.hi-flying.com
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module acquire password and build link. Next time, module will link with same AP without auto-
negotiation required. User can use “AT+WSSSID” and “AT+WSKEY” command to query SSID and
password.
nReload- Module restore to factory default configuration.Input. Logics “0” effective.
User can de-assert nReload signal “0” more than 3s through button or MCU pin, then release, module
will restore to factory default configuration and re-start boot up process. Thers is pull-up resister
internal and no external pull-up required. If nReload function not required, can leave this pin open.
Sleep-RQ- Module Pin Sleep Control. Input.
The user should de-assert this pin low “0”, after 1’s assert to high ”1” to put the module to sleep status.
Also at the deep sleep/standby mode, user can de-assert this pin low “0”, after 1’s assert to high ”1”
to put the module to wake up the module. If user doesn't use pin sleep function, can leave this pin
open.
Sleep-ON- Module Pin Sleep Indicator. Output.
This pin is used to indicate that the module is asleep (Module output “0”) or awake (Module output “1”)
status. If user doesn't use pin sleep function, can leave this pin open.
UART0_TXD/RXD- UART port data transmit and receive signal.