ES1921 audio codec combination codec audio mixer device that fully com
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ES1921 Audio CODEC Data Sheet
ES1921 audio codec combination codec audio mixer device that fully compliant with Rev. Intel's Audio Codec' (AC'97) Component Specification. When used with Maestrofamily PCI-based digital audio accelerators, ES1921 helps complete superior high-performance audio subsystem solution both desktop notebook computers. ES1921 audio codec supports full-duplex stereo operation simultaneous record playback. Voice, sound, music regularly sampled record playback kHz. playback mixer four stereo inputs mono inputs. record multiplexer five stereo inputs three mono inputs, while mixer includes three outputs. Line used stereo output multimedia speakers while Mono used output telephony subsystem down-line phone. major functions ES1921 include stereo 18-bit audio signal conversion while also providing interface control logic transfer audio data between serial terminals digital audio accelerator. ES1921 uses line-level inputs, three outputs TDM-based serial AC-Link transfer data between itself digital audio accelerator, such Maestrofamily PCI-based digital audio accelerators. ES1921 used primary secondary CODEC multiple codec configurations conforming AC'97 Rev. specification. ES1921's conformance AC'97 multiple codec configurations allows used both 4-speaker audio-only solutions audio-modem solutions motherboards, add-on cards, PCMCIA cards. ES1921 available industrystandard 48-pin Thin Quad Flat Pack (TQFP).
Meets exceeds Audio CODEC Rev.
performance specifications
Record Playback Features Full-duplex stereo operation simultaneous record
playback 18-bit stereo DAC; 18-bit input
Supports dual-codec architecture configuration with
ES1921 notebook docking station
Supports AC-Link digital serial interface stereo inputs line-in, video, auxiliary line-in selectable mono inputs microphone sharing single
mixer input mono input phone speaker input
playback record sample rate Power Advanced Configuration Power Interface (ACPI)
support using external amplifier power down control
digital analog power supply
(AVDD DVDD)
stereo outputs line-out such multimedia speakers
Pure Audio Usable desktop, motherboard, notebook sound card applications, audio applications audiomodem applications
Compatibility Meets Microsoft PC99 specifications Baseline
Advanced Audio with updates with Rev. Intel's Audio CODEC specification
BLOCK DIAGRAM
ES1921
SYNC BIT_CLK RESET# SDATA_OUT Mono
AC-Link Interface Register
Mixer
True Line Line Beep
Analog Mixing Volume Control
Phone Line Video
SDATA_IN
Mic1 Mic2
Technology, Inc.
SAM0353-042100
ES1921 PRODUCT BRIEF
PINOUT
LINE_OUT_R LINE_OUT_L ANTI_POP VREFOUT
AFILT2
AFILT1
CAP3
CAP2
CAP1
MONO_OUT AVDD2 LNLVL_OUT_L LNLVL_OUT_R AVSS2 EAPD
AVSS1
VREF
AVDD1
LINE_IN_R LINE_IN_L MIC2 MIC1 CD_R CD_GND CD_L VIDEO_R VIDEO_L AUX_R AUX_L PHONE
ES1921
48-PIN TQFP
(REV.
SYNC
RESET# AVSS1
DVSS1
DVDD1
DVSS2
DVDD2
SDATA_OUT
PRIMARY_DN#
LINE_OUT_R
LINE_OUT_L
SDATA_IN
ENABLE
AFILT2
AFILT1
VREFOUT
CAP2
MONO_OUT AVDD2 LNLVL_OUT_L LNLVL_OUT_R AVSS2 EAPD SDATA_IN1
VREF
AVDD1
PC_BEEP
XTL_IN
XTL_OUT
BIT_CLK
LINE_IN_R LINE_IN_L MIC2 MIC1 CD_R CD_GND CD_L VIDEO_R VIDEO_L AUX_R AUX_L PHONE
ES1921
48-PIN TQFP (REV.
XTL_OUT
RESET#
DVSS1
DVDD1
DVSS2
DVDD2
SYNC
SDATA_OUT
Figure ES1921 Revision Revision Pinouts
SAM0353-042100
SDATA_IN
PC_BEEP
XTL_IN
BIT_CLK
Technology, Inc.
ES1921 PRODUCT BRIEF
REV. BLOCK DIAGRAM
DVSS DVDD
LINE_IN VIDEO MIC1 MIC2 PHONE PC_BEEP RECORD SOURCE PREAMP/MIC BOOST PLAYBACK MIXER
AVDD AVSS
ID[1:0]
PCM-out DACs
RESET# BIT_CLK SYNC SDATA_IN SDATA_OUT AFILT[1:0] AC-LINK FILTER Left 18-BIT STEREO 18-BIT STEREO FILTER 18-BIT 18-BIT Left MONO CTRL MONO_OUT
Right
Right LNLVL MASTER CTRL
PCM-in ADCs
VREF VREFOUT
LINE_OUT POWER MGMT MASTER CTRL
XTL_IN
XTL_OUT
EAPD
ANTI_POP
Technology, Inc.
SAM0353-042100
ES1921 PRODUCT BRIEF
REV. BLOCK DIAGRAM
DVSS DVDD
LINE_IN VIDEO MIC1 MIC2 PHONE PC_BEEP RECORD SOURCE PREAMP/MIC BOOST PLAYBACK MIXER
AVDD AVSS
ID[1:0]
PCM-out DACs
RESET# BIT_CLK SYNC SDATA_IN SDATA_OUT AFILT[1:0] AC-LINK FILTER Left 18-BIT STEREO 18-BIT STEREO FILTER 18-BIT 18-BIT Left MONO CTRL MONO_OUT
Right
Right LNLVL MASTER CTRL
PCM-in ADCs
VREF VREFOUT
LINE_OUT POWER MGMT MASTER CTRL
XTL_IN
XTL_OUT
EAPD
ANTI_POP
part this publication reproduced, stored retrieval system, transmitted, translated form means, electronic, mechanical, manual, optical, otherwise, without prior written permission Technology, Inc. Technology, Inc. makes representations warranties regarding content this document. specifications subject change without prior notice. Technology, Inc. assumes responsibility errors contained herein.
U.S. Patent 4,214,125 others, other patents pending. AudioDrive® registered trademark Technology, Inc. other trademarks owned their respective holders used identification purposes only.
2000 Technology, Inc. rights reserved.
SAM0353-042100
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