Advantech AIMB-240 Series - Page 22

AIMB-240 Series
22 AIMB-240 Series User’s Manual
The Key features listed as below :
• Meets performance requirements for audio on PC99/2001 systems
• Meets Microsoft WHQL/WLP 2.0 audio requirements
• 16-bit Stereo full-duplex CODEC with 48KHz sampling rate
• Compliant with AC'97 Rev 2.3 specifications
o Front-Out, Surround-Out, MIC-In and LINE-In Jack Sensing
o 14.318MHz -> 24.576MHz PLL to eliminate crystal
o 12.288MHz BITCLK input
o Integrated PCBEEP generator to save buzzer
o Interrupt capability
• Three analog line-level stereo inputs with 5-bit volume control, LINE_IN, CD, AUX
• High-quality differential CD input
• Two analog line-level mono inputs: PCBEEP, PHONE-IN
• Two software selectable MIC inputs
• Dedicated Front-MIC input for front panel applications (software selectable)
• Boost preamplifier for MIC input
• LINE input shared with surround output; MIC input shared with Center and LFE
output
• Built-in 50mW/20ohm amplifier for both Front-out and Surround-Out
• External Amplifier Power Down (EAPD) capability
• Power management and enhanced power saving features
• Supports Power-Off CD function
• Adjustable VREFOUT control
• Supports 48KHz S/PDIF output, complying with AC'97 Rev 2.3 specifications
• Supports 32K/44.1K/48KHz S/PDIF input
• Power support: Digital: 3.3V; Analog: 3.3V/5V
• Standard 48-pin LQFP package
• EAX™ 1.0 & 2.0 compatible
• Direct Sound 3D™ compatible
• A3D™ compatible
• I3DL2 compatible
• HRTF 3D positional audio
• Sensaura™ 3DPA enhancement (optional)
• 10-band software equalizer
• Voice cancellation and key shifting in Karaoke mode
• AVRack® Media Player