How to send AT command to external audio codec chip and configure it? use BG77 module

IoT Modules LPWA Module
#1

Now i am learning BG77 module, i want to send some AT commands to our audio codec chip and configure its registers, please tell me how to do , thanks.

#2

Hi Mr.Tan,

You could use AT+QIIC commadn to configure codec chip registers.

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Best Regards,