Report - AN4807 Application note - STMicroelectronics · pa12 (af5) i2s_ckin pf0 (af5) spi2_nss/i2s2_ws pf1 (af5) spi2_sck/i2s2_ck pa10 (af5) spi2_miso/i2s2ext_sd pa11 (af5) spi2_mosi/i2s2_sd

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