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 - 23
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4. UART AT COMMAND DEFINITION
4.1. Module Operation Mode Configure
After HF-BL100-CU power on, module enter transparent transmit mode, default UART
configuration parameter as below:
Figure 7. HF-BL100-CU Default UART Parameter
User can configure the module via AT command through UART or use Evaluation Kit to test.
Evaluation kit refer to Appendix B.
<Description>： AT command debug tool recommend use “ friend serial debug assistant” and
SecureCRT tool ,which can be download from company website.
4.2. AT：Command Overview
AT: command can be inputted via serial debug tool or compile as below photo shows,
AT:HELP is a help command, list all commands and description.
Remark: the end of each command need add return or line feed character.