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ES1869 Datasheet
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Part ES1869
Description 16-bit stereo VLS
Feature ES1869; ES1869 AudioDrive® Solution Data Sheet DESCRIPTION The ES1869 AudioDrive® solution is a mixed-signa.
Manufacture ESS
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ESS ES1869
ES1869
AudioDrive® Solution
Data Sheet
DESCRIPTION
The ES1869 AudioDrive® solution is a mixed-signal single
chip that adds 16-bit stereo sound and FM music
synthesis to personal computers. It is compliant with
Microsoft® PC 97 and PC 98 specifications and WHQL
audio requirements. The ES1869 possesses an
embedded microcontroller, OPL3™ superset ESFM
music synthesizer, 16-bit stereo wave ADC and DAC, 16-
bit stereo music DAC, MPU-401 UART serial port, dual
game port, full Plug and Play support, CD-ROM IDE
interface, hardware master volume control, two serial port
interfaces to external DSP and external wavetable music
synthesizer, I2S Zoom Video interface, DMA control logic
with FIFO, and ISA bus interface logic. There are three
stereo inputs (typically line, CD audio, and auxiliary line)
and a mono microphone input. All of this on a single chip
that can be designed into a motherboard, add-on card, or
integrated into other peripheral cards such as Fax/
Modem, VGA, LAN, I/O, etc.
The ES1869 AudioDrive® solution can record, compress,
and play back voice, sound, and music with built-in mixer
controls. It supports full-duplex operation for simultaneous
record and playback using two DMA channels. The
ESFM™ synthesizer has extended capabilities within
native mode operation providing superior sound and
power-down capabilities. It is a register compatible
superset of the OPL3 FM synthesizer.
The ES1869 AudioDrive® solution supports the full ISA Plug
and Play standard. It provides Plug and Play configuration
for logical devices: audio, ESFM™ synthesizer, game port,
MPU-401, CD-ROM IDE, Modem, and an additional user-
defined device.
The MPU-401 serial port is for interfacing to an external
MIDI device.
The ES1869 also incorporates Spatializer® VBX™
technology, provided by Desper Products, Inc., a
subsidiary of Spatializer Audio Laboratories, Inc. This
processor expands the stereo sound field emitted by two
speakers to create a resonant 3-D sound environment.
The speakerphone application can be implemented either
by digital interface through the DSP serial port, or by
analog interface through Mono-In and Mono-Out.
A DSP serial interface in the ES1869 allows an external
DSP to take over ADC or DAC resources.
The ES1869 AudioDrive® solution supports telegaming
architecture with headsets and includes data paths for
host-based Acoustic Echo Cancellation processing.
Advanced power management features include suspend/
resume from disk or host-independent self-timed power-
down and automatic wake-up. The ES1869 is compliant to
the ACPI standard.
It is available in an industry-standard 100-pin Plastic Quad
Flat Pack (PQFP) and Thin Quad Flat Pack (TQFP)
packages.
FEATURES
Single, high-performance, mixed-signal, 16-bit stereo
VLSI chip
High-quality, OPL3 superset ESFM™ music synthesizer
IDE CD-ROM interface
High-performance DMA supports Demand Transfer and
F-type
Integrated Spatializer® 3-D VBX™ stereo audio effects
technology provided by Desper Products, Inc., a
subsidiary of Spatializer Audio Laboratories, Inc.
Plug and Play Features
On-chip Plug and Play support for audio, joystick port,
FM, Modem, MPU-401, CD-ROM, and a user-defined I/O
device
Software address mapping with software chip select, plus
4 DMA and 6 IRQ selections for motherboard
implementation
Internal configuration data for audio Plug and Play
support
Serial interface for Plug and Play resource EEPROM
Record and Playback Features
Record, compress, and play back voice, sound, and
music
16-bit stereo ADC and DAC
Programmable independent sample rates from 6 kHz to
48.0 kHz for record and playback
Full-Duplex operation for simultaneous record and
playback
2- and 3-button hardware volume control for up, down,
and mute
Inputs and Outputs
Stereo inputs for line-in, auxiliary A (CD audio), and
auxiliary B, and a mono input for microphone
MPU-401 (UART mode) interface for wavetable
synthesizers and MIDI devices
ESS Technology, Inc.
SAM0023-122898
1



ESS ES1869
ES1869 DATA SHEET
FEATURES
Integrated dual game port
I2S Zoom Video port interface with a sample rate up to 48
kHz for MPEG audio
Serial port interface to external DSP (e.g. AT&T, TI, API,
and MWAVE)
Separate mono input (MONO_IN) and mono output
(MONO_OUT_) for telegaming
Mixer Features
7-channel mixer with stereo inputs for line, CD audio,
auxiliary line, music synthesizer, digital audio (wave files),
and mono inputs for microphone and speakerphone
Programmable 6-bit logarithmic master volume control
Power
Advanced power management with self-timed power-
down, automatic wake-up, and suspend/resume to and
from disk
Supports 3.3 V or 5.0 V operation
Compatibility
Supports PC games and applications for Sound Blaster™
and Sound Blaster™ Pro
Supports Microsoft Windows™ Sound System®
Meets PC 97 and PC 98 and WHQL specifications
Operating Systems
Microsoft Windows®95 and Windows®98
Microsoft Windows™ 3.1 and Windows for
Workgroups™
Windows Sound System
Microsoft Windows NT™ 4.0
IBM® OS/2® Warp™
ISA Bus
IRQ9
IRQ5
IRQ7
IRQ10
IRQ11
IRQ12
DRQ0
DRQ1
DRQ3
DRQ5
-DACK0
-DACK1
-DACK3
-DACK5
A[15:12]
AEN
LS138
93LC66
(EEPROM)
DI
DO
CLK
CS
Mute
Down
Up
ES1869
VDDD
GNDD
RESET
IRQA
IRQB
IRQC
IRQD
IRQE
IRQF
DRQA
DRQB
DRQC
DRQD
DACKBA
DACKBB
DACKBC
DACKBD
A[11:0]
AEN
+12 V
78L05
Regulator
VDDA
GNDA
AUXA_L
AUXA_R
AUXB_L
AUXB_R
LINE_L
LINE_R
MIC
CMR
CAP3D
FOUT_L
CIN_L
FOUT_R
CIN_R
AOUT_L
AOUT_R
MSI
MSO
D[7:0]
IORB
IOWB
SWA
SWB
SWC
SWD
CD In Left
CD In Right
AuxB In Left
AuxB In Right
Line In Left
Line In Right
Mic In
To Stereo
Amplifier
VOLUP/SEDI
VOLDN/SEDO
MUTE /SECLK
SECS/PSEL
TA
TB
TC
TD
MODE
SE
MCLK
MMIRQ
MMCSB
MMIEB
DB155
To Modem
Circuit
14.31818 MHz
XI RSTB
XO CDIRQ
CDCSB0
CDCSB1
IDE Interface
IDE
Connector
2 SAM0023-122898
Figure 1 Typical Application
ESS Technology, Inc.



ESS ES1869
ES1869 DATA SHEET
CONTENTS
CONTENTS
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
PINOUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
PIN DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
FUNCTIONAL DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . 9
Digital Subsystems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Analog Subsystems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
MIXER SCHEMATIC BLOCK DIAGRAM . . . . . . . . . . . . . . . 11
BUS INTERFACING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
DIGITAL AUDIO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Programming DMA Transfers . . . . . . . . . . . . . . . . . . . . 13
Data Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
DMA Transfers in Compatibility Mode . . . . . . . . . . 13
DMA Transfers in Extended Mode . . . . . . . . . . . . . 14
Data Transfers Using the Second Audio Channel . 14
External DMA Sharing with Audio DMA . . . . . . . . . . . . . 15
DRQ Latch Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
First DMA Channel CODEC . . . . . . . . . . . . . . . . . . . . . 15
INTERRUPTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Interrupt Status Register . . . . . . . . . . . . . . . . . . . . . . . . 17
Interrupt Mask Register . . . . . . . . . . . . . . . . . . . . . . . . . 18
Sharing Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
PERIPHERAL INTERFACING . . . . . . . . . . . . . . . . . . . . . . . 19
I2S Serial Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
I2S Serial Interface Timing . . . . . . . . . . . . . . . . . . . 19
Wavetable Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
DSP Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
DSP Operating Modes . . . . . . . . . . . . . . . . . . . . . . 19
Serial Data Format . . . . . . . . . . . . . . . . . . . . . . . . . 21
Modem Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Modem Operating Modes . . . . . . . . . . . . . . . . . . . . 22
IDE CD-ROM Interface . . . . . . . . . . . . . . . . . . . . . . . . . 22
General-Purpose I/O Device . . . . . . . . . . . . . . . . . . . . . 23
Joystick / MPU-401 Interface . . . . . . . . . . . . . . . . . . . . . 23
MPU-401 UART Mode . . . . . . . . . . . . . . . . . . . . . . 23
Joystick / MIDI External Interface . . . . . . . . . . . . . . 23
Serial EEPROM Interface . . . . . . . . . . . . . . . . . . . . . . . 24
EEPROM ROM Format . . . . . . . . . . . . . . . . . . . . . 24
MONO_IN and MONO_OUT . . . . . . . . . . . . . . . . . . . . . 25
Spatializer® VBX™ Audio Processor . . . . . . . . . . . . . . 25
Hardware and Master Volume Control . . . . . . . . . . . . . 25
PC Speaker . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
PC Speaker Volume Control . . . . . . . . . . . . . . . . . 26
ANALOG DESIGN CONSIDERATIONS . . . . . . . . . . . . . . . . 27
Game Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Reference Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Switch-Capacitor Filter . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Audio Inputs and Outputs . . . . . . . . . . . . . . . . . . . . . . . 27
PNP CONFIGURATION AND REGISTERS . . . . . . . . . . . . . 28
Access to PnP Registers . . . . . . . . . . . . . . . . . . . . . . . . 28
Configuration Ports . . . . . . . . . . . . . . . . . . . . . . . . . 28
Bypass Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Card-Control Card-Level Registers (00h-07h) . . . . . . . . 29
Vendor-Defined Card-Level Registers (20h-29h) . . . . . 30
Logical Device Registers . . . . . . . . . . . . . . . . . . . . . . . . 31
LDN 0: Configuration Device . . . . . . . . . . . . . . . . . 32
LDN 1: Audio Device . . . . . . . . . . . . . . . . . . . . . . . 33
LDN 2: Joystick Device . . . . . . . . . . . . . . . . . . . . . . 34
LDN 3: MPU-401 Device . . . . . . . . . . . . . . . . . . . . 34
LDN 4: CD-ROM Device . . . . . . . . . . . . . . . . . . . . . 35
LDN 5: Modem Device . . . . . . . . . . . . . . . . . . . . . . 36
LDN 6: General-Purpose Device . . . . . . . . . . . . . . . 36
I/O PORTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Port Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Port Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Configuration Device . . . . . . . . . . . . . . . . . . . . . . . . 39
Audio Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
FM Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
MPU-401 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Joystick Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
PROGRAMMING THE ES1869 . . . . . . . . . . . . . . . . . . . . . . . 43
Identifying the ES1869 . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Resetting the ES1869 by Software . . . . . . . . . . . . . . . . 43
Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Compatibility Mode Description . . . . . . . . . . . . . . . . 43
Extended Mode Description . . . . . . . . . . . . . . . . . . 43
Mixing Modes Not Recommended . . . . . . . . . . . . . 44
Data Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Compressed Data Formats . . . . . . . . . . . . . . . . . . . 44
Sound Blaster Pro Compatible Data Formats . . . . . 44
Stereo DMA Transfers in Compatibility Mode . . . . . 44
ES1869 Data Formats (Extended Mode and Audio 2)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Sending Commands During DMA Operations . . . . 45
Compatibility Mode Programming . . . . . . . . . . . . . . . . . 45
Compatibility Mode DAC Operation . . . . . . . . . . . . 45
Compatibility Mode ADC Operation . . . . . . . . . . . . 46
Extended Mode Programming . . . . . . . . . . . . . . . . . . . . 47
Commanding ES1869 Controller Registers . . . . . . 47
ES1869 Command/Data Handshaking Protocol . . . 47
Extended Mode Audio 1 DAC Operation . . . . . . . . 48
Extended Mode Audio 1 ADC Operation . . . . . . . . 49
Extended Mode Programmed I/O Operation . . . . . . 51
Second Audio Channel DAC Operation . . . . . . . . . 51
Programming the ES1869 Mixer . . . . . . . . . . . . . . . . . . 52
Writing and Reading Data from the Mixer Registers 52
Resetting the Mixer Registers . . . . . . . . . . . . . . . . . 53
Extended Access to SB Pro Mixer Volume Controls 53
Extended Access to Mic Mix Volume . . . . . . . . . . . 53
Extended Access to ADC Source Select . . . . . . . . 53
Sound Blaster Pro Volume Emulation . . . . . . . . . . . 54
Record and Playback Mixer . . . . . . . . . . . . . . . . . . 55
REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Register Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Types of Register Access . . . . . . . . . . . . . . . . . . . . 56
Mixer Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Controller Registers . . . . . . . . . . . . . . . . . . . . . . . . 67
Controller Register Descriptions . . . . . . . . . . . . . . . 67
AUDIO MICROCONTROLLER COMMAND SUMMARY . . . 72
POWER MANAGEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Partial Power-Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Causing Partial Power-Down . . . . . . . . . . . . . . . . . 76
Waking from Partial Power-Down . . . . . . . . . . . . . . 76
Full Power-Down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Waking from Full Power-Down . . . . . . . . . . . . . . . . 76
Inputs and Outputs During Power-Down . . . . . . . . . 77
Suspend/Resume . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
ESS Technology, Inc.
SAM0023-122898
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