- legacy documentation - https://www.electrodragon.com/w/Sound_Card#Use_PCM5102_or_ES9023_w.2FRPI
Hardware
Config Mode
| Mod1 | Mod2 | Mode |
|---|---|---|
| GND | VCC | I2C (default) |
| VCC | any | SPI |
| GND | GND | Hardware |
I2C Address
ADR1 = pull-up, ADR2 = pull-down
| PIN | Symbol | V2 | Description |
|---|---|---|---|
| 2,4 | +5V | +5V Supply Pin,connected to the main 5V supplyoftheRaspberry Pi | |
| 3 | SDA1 | SDA Used for DAC and EEPROM | |
| 5 | SCL1 | SCL Used for DAC and EEPROM | |
| 12 | GPIO_18 | 18 | IIS_BCLK |
| 31 | GPIO_6 | NC | Mute function control pin |
| 35 | GPIO_19 | 19 | IIS_LRCLK |
| 37 | GPIO_26 | 17 | Infrared receiver reserved port |
| 40 | GPIO_21 | 21 | IIS_DOUT |
| 27,28 | ID SCL and ID SDA | Reserved for an ID EEPROM on the Raspberry Pi.Thesepinsare always reserved and should never be usedtoconnectexternal components | |
| 6,9,14,20,25,30,34,3, 9 | GND | Ground Pin, connected to the main system GroundoftheRaspberry Pi |
- The remaining pins are unused, You can use them for your other hardware boards.
mode and address select
MOD1 - GND, MOD2 - VCC = I2C MOD1 - VCC, MOD2 - any = SPI MOD1 - GND, MOD2 - GND = Hardware
| mod1 | add2 | add1 | mod2 | note |
|---|---|---|---|---|
| GND | GND | VCC | VCC | I2C address = |
Software
- Volumio - volumio-dat
- MoOde
- LibreELEC
- Max2play
- Raspbian - RPI-OS-dat - PCM5122-RPI-dat
- OSMC