Acer 521 manual Audio Codec and Amplifier Specification, LAN Interface Specification

Audio Codec and Amplifier

Item					Specification
Audio	CX20672-11Z
Controller
Package	40-QFN
Features	• Compliant with Intel High Definition Audio Specification Rev. 1.0
	•	Internal Digital Microphone
	•	Integrated 2 WRMS (per channel) class-D stereo speaker amplifier with
	• Spread Spectrum and 10-kV ESD withstand capability
LAN Interface
	Item				Specification
LAN Chipset				ATHEROS AR8152-AL1A-RL
Features				• Integrated PHY for 10/100 Mbps
				• IEEE 802.3 Auto-Negotiation support
				• IEEE 802.3 PHY compliance and compatibility
				• Supports automatic MDI/MDIX functions
				• Cable Diagnostic Test (CDT) for open, short cable, cable
					length detection, and incorrect or mismatched
					impedance
				• Cable length to 180 meters
				• Supports +/-100 ppm clock offset; Link stable with 3m +
					180m + 3m test
				•	Link Period <1.5s
Keyboard
	Item				Specification
Type					ACER AC7T_A10B AC7T Internal 17
Total number of keypads					103/104/107
Windows logo key					Yes
Internal & external keyboard work					Yes
simultaneously
Features					• Supports application keys for Windows 7 version
Media Card Reader
	Item				Specification
Chipset				AU6437-GBL -GR
Package				LQFP
Features				• Fully compatible with USB2.0 High Speed and backward
					compatible with USB1.1 specifications
				• Supports multiple flash card interfaces, including SD/
					MMC/xD/MS.
				•	Supports single LUN
				• Supports both Windows and Mac OS
Camera
Item					Specifications
Vendor and model			SUYIN/ Chicony/ Liteon
Type			CMOS image sensor with WXGA (resolution 1280X800)
Interface			USB Port

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