Data Sheet

WM8960 Audio Board
GND
GND
SDA
I2C1_SDA (PB9)
SCL
I2C1_SCL (PB8)
CLK
SAI1_SCK_B (PF8)
WS
SAI1_FS_B (PF9）
TXSDA
SAI1_SD_B (PF6)
TXMCLK
SAI1_MCLK_B (PF7)
Note: Pins which doesn’t listed on table are not connected
2. Description of files
Examples are compiled on MDK-ARM V4, generated by STM32CubeMX
../Src:
WM8960.c: Bottom driver of WM8960, mainly provide functions that sending data
to chip, initializes chip
Play_WAV.c: Provide function that play WAV file from SD card, include read list of
WAV files, read audio information of files, play WAV files, handle keys events and
so on.
3. Expected result
After connecting all module to Open429I-C, insert an earphone or speaker to
Audio board, connect USART1 interface of Open429I to PC , and then open serial
assistance software on PC.
Download example to Open429 board, module will begin to play audio file