ICE1230 IC Ensemble, ICE1230 Datasheet

ICE1230

Manufacturer Part Number

ICE1230

Description

ac 97 Audio Codec

Manufacturer

IC Ensemble

Datasheet

1.ICE1230.pdf (26 pages)

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IC Ensemble, Inc.

Features

• AC’97 compliant codec

• Exceeds Microsoft® PC’98 requirements

• 16-bit stereo full duplex

• 48kHz fixed sampling rate

• Stereo LINE IN, CD, VIDEO, and AUX

• Mono speaker-phone and PC beeper analog

• Mono line-level microphone inputs switchable

• Multiple codec mode

• Power management support

• 48-pin TQFP or LQFP package

• 3.3V or 5V operating supply

Rev. 1.3, 9/21/98

SDATA_OUT

analog line-level inputs

line-level inputs

from two external sources

SDATA_IN

PC_BEEP

XTL_OUT

BIT_CLK

RESET#

PHONE

XTL_IN

VIDEO

SYNC

MIC1

MIC2

LINE

AUX

PCM OUT

Interface

Digital

AC’97

OSC

+20dB

VOL

codec

DAC

Figure 1. Functional Block Diagram

VOL

MUTE

Description

IC Ensemble’s ICE 1230

AC’97 fully compliant codec designed to bring

CD-quality audio in personal computers and

multimedia systems. The ICE 1230 integrates an

analog mixer, full duplex 16-bit stereo ADC and

16-bit stereo DAC, and a digital audio stream

interface (for interface with PCI audio controllers)

into a single IC, making it ideal for motherboard

host-based applications or in add-in card designs

(when coupled with a PCI digital audio controller)

where outstanding audio quality is required.

Additional Features

• Multiple codec support

• 3.3V analog supply operation

VOLUME

MASTER

INPUT

PCM IN

AC‘97 Audio Codec

MASTER

VOLUME

MONO

ADC

ICE 1230

audio codec is an

Preliminary

LINE_OUT

MONO_OUT

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