User's Manual

HF-BL100-CU Low Energy Bluetooh（BLE 4.0）Module User Manual

Shanghai High Flying Electronics Technology Co., Ltd www.hi-flying.com - 27

"AT:RELD"

MCU->Module

Restore factory setting via

AT command

4.3.35

PIN32->WAKEUP high

level outside

MCU->module

Notifi

cation

Enable module CPU

subsystem deep sleep（BLE

subsystem isolated

operation）

4.3.36

PIN29-

>MANUFACTURE keep

high level at least 5s

when power on

MCU->Module

Restore factory parameter

via hardware

4.3.37

* remark：UART serial interface command must end with <CR><LF>，feedback must end

with<CR><LF>

*remark：（APP）means the command is also applicable to APP command，APP command no

need <CR><LF>

4.3. AT Command

4.3.1. Help command

Function：display all command description

Effective time：effective immediately

Command：

"AT:HELP"+<CR><LF>

feedback：

"AT:OK" +<CR><LF>+data mean command success, feedback description data

Data： list all command description data

"AT:ERP\r\n" means invalid command, query failed

4.3.2. Set Module NAME

Function：set module name, max length is 11 character

Effective time： effective after re-broadcast