Acer One 522, Service Manual, Page: 46 / 232

1-36 Hardware Specifications and Configurations
Audio Codec and Amplifier (continued)
Features

Digital Microphone interface with internal MIC boost
supporting 2 digital microphone elements

Works with all digital microphones.

Internal microphone boost

Digital: 0, 12, 24, 36, 48 dB

Analog: 0, 10, 20, 30, 40 dB

Microphone Security Control

Please contact Conexant Sales/FAE for additional
confidential document to disable the bit in microphone from
the BIOS.

Exceeds Windows Vista and Windows 7 Desktop and
Notebook Premium Logo Requirements, WLP4.0

D-Flex power management exceeds Intel ECR 15B
requirements, and features Wake-On-PCBeep functionality

Hardware Headphone limiter bit (supports GS Mark
EN50332-2)

Compliant with Intel High Definition Audio Specification Rev.
1.0

Supports both 1.5 V and 3.3 V signaling with the core logic
chipset

Retaskable ports

Configure between Headphone and Line-out or between
Mic and Line-in

Independent sampling rate for DAC and ADC; supports audio
formats ranging from 16-bit, 44.1 kHz to 24-bit, 192 kHz for
DACs, and from 16-bit, 44.1 kHz to 24-bit, 96 kHz for ADCs.

Pop Shield: pops and clicks reduction circuitry, including
class-D speaker outputs

Jack sense detects up to 8 jacks using only two sense pins

Dual Sony Philips Digital Interface (S/PDIF) outputs

Digital Mixer

Simultaneous DAC and SPDIF engines

+3.3 V analog and I/O operation; uses Vaux for power
management modes
Item Specification