| Pin Name | Type | Description | |----------|------|-------------| | LINE_OUT_L/R | Analog Output | Stereo line-level output | | MIC1_IN | Analog Input | Microphone input with bias voltage | | DMIC_CLK/DATA | Digital I/O | Digital microphone clock and data lines | | SDATA_OUT | Digital | HD Audio serial data output to controller | | SDATA_IN | Digital | HD Audio serial data input from controller | | BIT_CLK | Digital | 24.000 MHz bit clock from controller | | RESET# | Digital | Active-low hardware reset |
(Section 4.3)
Page 45 of the standard alc271x datasheet shows the reference design. For a functional audio section, you need five external components besides the codec: alc271x datasheet
Unlike modern components that are hidden behind NDA walls, the ALC271X datasheet is widely available due to the age of the chip. | Pin Name | Type | Description |
Some key features of the ALC271X include: It is primarily designed for mobile PC systems
❌ :
The ALC271X is a high-performance, multi-channel High Definition Audio codec. It is primarily designed for mobile PC systems (laptops and netbooks). Its main job is to act as the bridge between your computer's digital data and the analog signals that drive your speakers and headphones. Core Technical Specifications