Domino I2S Audio Tile Board

Overview

When connected to the Domino Pi board, the Domino I2S Tile adds audio capabilities and ports:

Wolfson WM8978 Stereo CODEC with Speaker Driver (Datasheet), faturing:
DAC SNR 98dB, THD -84dB ('A' weighted @ 48kHz)
ADC SNR 95dB, THD -84dB ('A' weighted @ 48kHz)
On-chip Headphone Driver with 'capless' option
40mW per channel into 16ohm / 3.3V SPKVDD
1W output power into 8ohm BTL speaker / 5V SPKVDD
Capable of driving piezo speakers
Stereo speaker drive configuration
Stereo Differential or mono microphone Interfaces
Programmable preamp gain
Psuedo differential inputs with common mode rejection
Programmable ALC / Noise Gate in ADC path
Low-noise bias supplied for electret microphones
Enhanced 3-D function for improved stereo separation
Digital playback limiter
5-band Equaliser (record or playback)
Programmable ADC High Pass Filter (wind noise reduction)
Programmable ADC Notch Filter
Aux inputs for stereo analogue input signals or 'beep'
On-chip PLL supporting 12, 13, 19.2MHz and other clocks
Support for 8, 11.025, 12, 16, 22.05, 24, 32, 44.1 and 48kHz sample rates
Low power, low voltage - 2.5V to 3.6V (digital: 1.71V to 3.6V)
5x5mm 32-lead QFN package
3.5 mm Stereo Audio Jack (Tip: Left / Ring: Right / Sleeve: Ground): LINE OUT / HEADPHONE OUT
SPDIF Optical Transmitter: DIGITAL AUDIO OUT
On 2x edge header pins: Stereo SPEAKER OUT
Integrated ? 4.5 mm Mono Electret Microphone, also available on edge header pins
On 2x Pin Header: Stereo AUX IN

The Domino Dual Ethernet Tile connects as a West-side Tile.

It is only compatible with the Domino Pi board, as the Domino Qi Mini does not feature I2S interface.

I2S board

Specs	Value
Weight	10 g
Dimensions	50.8 x 33.02 x 24 mm
Audio CODEC	Wolfson WM8978
LINE OUT / HEADPHONE OUT	3.5 mm Stereo Audio Jack
DIGITAL AUDIO OUT	SPDIF Optical Transmitter
SPEAKER OUT	2x Edge Header Pins
Microphone	Integrated ? 45 mm Mono Electret Microphone, 2x Edge Header Pins
AUX IN	2x Header Pins

I2S Pinout