eMachines E644G eMachines E644 and E644G Series Serivce Guide - Page 45
G Card (not available in this model), Audio Interface
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Mini Card Item Number supported Features Specification 1 1 mini card slot (for WLAN or WLAN/WiMax) 3G Card (not available in this model) Features Item Specification Audio Codec and Amplifier Item Audio Controller Features Specification Conexant CX20584 Two stereo DAC support 16/20/24-bit PCM for two independent playback (multiple streaming) Two stereo ADC supports 16/20/24-bit PCM format for two independent recording All DACs support independent 44.1k/48k/96k/192kHz sample rate All ADCs support independent 44.1k/48k/96k/192kHz sample rate Two independent SPDIF outputs support 16/20/24-bit format and 44.1k/48k/88.2k/96k/192kHz rate Supports line level mono output Supports analog PCBEEP input, and features an integrated digital BEEP generator Support two stereo digital microphone input for microphone array AEC/BF application Supports legacy analog mixer architecture Supports two GPIO (General Purpose Input/Output) pins (pin sharing with digital microphone interface) Supports EAPD (External Amplifier Power Down) control for external amplifier Supports anti-pop mode when analog power AVDD is on and digital power is off Supports 1.5V~3.3V scalable I/O for HD Audio link 48-pin QFN 'Green' package Audio Interface Item Audio Controller Audio onboard or optional Mono or Stereo Conexant CX20584 On board Mono Specification Hardware Specifications and Configurations 1-35