Differences
This shows you the differences between two versions of the page.
| Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
|
raspberry:sound_card [2018/08/03 13:17] admin [Sound Card for the Raspberry Pi] |
raspberry:sound_card [2018/08/03 13:24] admin [Use of GPIOs] |
||
|---|---|---|---|
| Line 9: | Line 9: | ||
| ---- | ---- | ||
| - | ==== use of GPIOs ==== | + | ==== Use of GPIOs ==== |
| The following GPIOs are used for the Sound Card:\\ | The following GPIOs are used for the Sound Card:\\ | ||
| For configuration over I2C:\\ | For configuration over I2C:\\ | ||
| Line 16: | Line 16: | ||
| And as the sound interface over I2S:\\ | And as the sound interface over I2S:\\ | ||
| GPIO18 (PCM CLK), GPIO19 (PCM FS), GPIO20 (PCM D-IN), GPIO21 (D-OUT).\\ | GPIO18 (PCM CLK), GPIO19 (PCM FS), GPIO20 (PCM D-IN), GPIO21 (D-OUT).\\ | ||
| + | PCM stands for Pulse-Code Modulation.\\ | ||
| < | < | ||