9c9 < | 17 | GPIO17 | IN ^ | 1 | 11 || 12 | 1 | ALT0 | PCM_CLK | 18 | --- > | 17 | GPIO17 | IN ^ | 0 | 11 || 12 | 0 | ALT0 | PCM_CLK | 18 | 21c21 < | 19 | PCM_FS | ALT0 | 1 | 35 || 36 | 0 | OUT | GPIO16 | 16 | --- > | 19 | PCM_FS | ALT0 | 0 | 35 || 36 | 0 | OUT | GPIO16 | 16 |