A10 Datasheet, PDF (71/81 Pages) DB Lectro Inc – EDGE CARD IDC TYPE (REINFORCED TYPE)

Allwinner Technology CO., Ltd.
22. Audio Codec
22.1. Overview
The embedded Audio Codec is a high-quality stereo audio codec with headphone amplify.
The audio codec is featured as following:
 On-chip 24-bits DAC for play-back
 On-chip 24-bits ADC for recorder
 Support analog/ digital volume control
 Support 48K and 44.1K sample family
 Support 192K and 96K sample
 Support FM/ Line-in/ Microphone recorder
 Stereo headphone amplifier that can be operated in capless headphone mode
 Support to automatic change from Virtual Ground to True Ground to protect headphone amplifier
22.2. Audio Codec Signal Description
Signal Name
HPL
HPR
HPCOM
HPCOM_FB
FMINL
FMINR
LINEINL
LINEINR
MICINL
MICINR
Description
Headphone Left channel output
Headphone Right channel output
Headphone amplifier output
Headphone amplifier Feedback
Audio ADC(24bit) Input for Left channel of FM radio
Audio ADC(24bit) Input for Right channel of FM radio
Audio ADC(24bit) Input for Left channel of Line In
Audio ADC(24bit) Input for Right channel of Line In
Audio ADC(24bit) Input for Left channel of Microphone
Audio ADC(24bit) Input for Right channel of Microphone
Table 22-1. Audio Codec Signal Description
Type
AO
AO
A
A
AI
AI
AI
AI
AI
AI
A10 Datasheet V1.70
Copyright © 2012 Allwinner Technology. All Rights Reserved.
70
December 27, 2012