Waveshare Open407V-C Testing Manual page 23

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(1) MCU_FLASH
Hardware Connection
·
Connect the UDA1380 Board to the board via I2S interface.
As shown in the figure below:
Operation and Result
Put the headset to the HEADPHONE jack, then will hear the music stored in the MCU FLASH.
(2) SD_FatFS
Hardware Connection
·
Connect the UDA1380 Board to the board via I2S interface.
·
Connect the Micro SD Storage Board (with SD Card) to the board via SDIO interface.
·
Connect the serial port converter to the board via USART2.
As shown in the figure below:
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Open407V-C\Open207V-C Testing Guide