ALC100
ALC100 is Valued AC97 Audio Codec manufactured by Realtek.
Avance Logic,Inc.
ALC100/ALC100P AC’97 Audio CODEC
Revision 1.1 May 25, 2000
Avance Logic,Inc.
1. Features
: l Single chip audio CODEC with high S/N ratio. l 16-bit ADC and DAC resolution. l pliant 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
11 AC'97 master H/W reset
XTL-IN
XTL-OUT
SYNC
BIT-CLK
Crystal input pad (24.576Mhz)
Crystal output pad
10 Sample Sync (48Khz)
Bit clock output (12.288Mhz)
SDATA-OU
Serial TDM AC97 output
SDATA-IN
Serial TDM AC97 input
ID0#
45 ID strap 0
ID1#
46 ID strap 1
EAPD
47 External Amplifier power down...
