Description
Energy saving audio module with built-in microphone based on theWM8960codec. Supports common sample rates, such as8/11,025/22,05/44,1/48 KHz, etc. and sound effects such asstereo and 3D surrounding. It has a connector mini-Jack 3.5 mm, which allows you to connectheadphones with microphoneand 4-pin connector for separate speakers. On board there is also a built-inmicrophone which allows you to record sound. Control interface: I2Cand audio interfaceI2S, supported audio formatWAV.
Connection
The module communicates via the busI2Cand has soldered connectorsgoldpin raster 2.54 mm.
| Pin | Description |
|---|---|
| VCC |
Supply voltage is 3.3 V. |
| GND | The ground of the system. |
| Traffic | Line input SPI bus. |
| SCL | Line clockof the SPI bus. |
| CLK |
Line clockof the I2S bus (Bit). |
| WS | Line clockof the I2S bus (Frame). |
| TXSDA | Line output of the I2S bus. |
| RXSDA | Line input data bus I2S. |
| TXMCLK | Line clockof output I2S bus (System Clock). |
| RXMCLK | Line clockof input data bus I2S (System Clock). |
|
A detailed description of each player functions can be found inthe system documentation. |
Specification
- Codec: WM8960
- Supply voltage: 3.3 V
- Control interface: I2C
- Audio interface: I2S
- Audio format: WAV
- The ratio of DAC signal-to-noise: 98 dB
- The ratio " signal-noise ADC: 94 dB
- Headphone driver: 40 MW (16 Ohm @ 3.3 V)
- Driver speaker: 1 W per channel (8 OHMS BTL)
- Dimensions: 58 x 24 mm
Useful links |
