| Part | ALC100 |
| Description | Valued AC97 Audio Codec |
Feature |
Avance Logic,Inc. ALC100 ALC100/ALC100 P 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 D AC resolution. l Compliant with AC’97 2.1 specification l Supports AMR and C NR applications. l 16-bit stereo full-d uplex CODEC with fixed 48k sampling rat e. l 4 analog line-lev. |
| Manufacture | Realtek Semiconductor |
| Datasheet |
 ALC100; el stereo input with 5-bit volume contro l : LINE_IN,CD,VIDEO,AUX l 2 analog lin e-level mono input : PC_BEEP,PHONE_IN. l Mono output with 5-bit volume control . l Stereo output with 5-bit volume con trol. l 2 MIC inputs : Software selecta ble. l Power management. l 3D Stereo En hancement l True Line-Level output l Mu ltiple CODEC extension. l External Ampl ifier power down c. |
 apability. l Dual power support : Digita l :5V/3.3V Analog : 5V` l Standard 48-P in LQFP Package 2. Pin Description : 2.1 Digital I/O pins : 11 pins Name RE SET# Type Pin No Description I 11 A C'97 master H/W reset XTL-IN I XTL-O UT O SYNC I BIT-CLK IO 2 Crystal input pad (24.576Mhz) 3 Crystal outp ut pad 10 Sample Sync (48Khz) 6 Bit clock output (12.2. |
 88Mhz) SDATA-OU I 5 Serial TDM AC97 output T SDATA-IN O 8 Serial TDM A C97 input ID0# I 45 ID strap 0 ID1# I 46 ID strap 1 EAPD O 47 Externa l Amplifier power down control PWRI# I 48 Internal register reset (For tes t) 2.2 Analog I/O Pins : 18 pins Name PC-BEEP PHONE AUX-L AUX-R VIDEO-L VIDE O-R CD-L CD-GND CD-R MIC1 MIC2 LINE-L L INE-R LINE-OUTL LI. |