ALC100P

Avance Logic,Inc. ALC100 ALC100/ALC100P AC’97 Audio CODEC Revision 1.1 May 25, 2000 Avance Logic,Inc. ALC100 1. Features : l Single chip audio CODEC with high S/N ratio. l 16-bit ADC and DAC resolution. l Compliant with AC’97 2.1 specification l Supports AMR and CNR applications. l 16-bit stereo full-duplex CODEC with fixed 48k sampling rate. l 4 analog line-level stereo input with 5-bit volume control : LINE_IN,CD,VIDEO,AUX l 2 analog line-level mono input : PC_BEEP,PHONE_IN. l Mono output with 5-bit volume control. l Stereo output with 5-bit volume control. l 2 MIC inputs : Software selectable. l Power management. l 3D Stereo Enhancement l True Line-Level output l Multiple CODEC extension. l External Amplifier power down capability. l Dual power support : Digital :5V/3.3V Analog : 5V` l Standard 48-Pin LQFP Package 2. Pin Description : 2.1 Digital I/O pins : 11 pins Name RESET# Type Pin No Description I 11 AC'97 master H/W reset XTL-IN I XTL-OUT O SYNC I BIT-CLK IO 2 Crystal input pad (24.576Mhz) 3 Crystal output pad 10 Sample Sync (48Khz) 6 Bit clock output (12.288Mhz) SDATA-OU I 5 Serial TDM AC97 output T SDATA-IN O 8 Serial TDM AC97 input ID0# I 45 ID strap 0 ID1# I 46 ID strap 1 EAPD O 47 External Amplifier power down control PWRI# I 48 Internal register reset (For test) 2.2 Analog I/O Pins : 18 pins Name PC-BEEP PHONE AUX-L AUX-R VIDEO-L VIDEO-R CD-L CD-GND CD-R MIC1 MIC2 LINE-L LINE-R LINE-OUTL LINE-OUTR LNLVL-L LNLV...