ALC221 (P/N: ALC221-GR) HIGH DEFINITION AUDIO CODE.
Realtek Microelectronics
ALC221 - HIGH DEFINITION AUDIO CODEC
ALC221 (P/N: ALC221-GR) HIGH DEFINITION AUDIO CODEC WITH MONO CLASS-D SPEAKER AMPLIFIER DATASHEET Version 0.65 25th May 2011 Realtek Semiconductor Cor.