AD1815_15 Datasheet, PDF (1/44 Pages) Analog Devices – SoundComm Controller

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SoundComm Controller
AD1815
FEATURES
Supports Applications Written for
SoundBlaster* Pro, AdLib/OPL3†
Win 3.1, Win 95
Stereo Audio 16-Bit ⌺⌬ Codec
MPC Level-2/3 Mixer
ISA Plug and Play Compatible
Dual Type F FIFO DMA Support
MPU-401 Compatible MIDI Port
Integrated V.34, Modem Analog Front End
Integrated Enhanced Digital Game Port
Supports Wavetable Synthesizers
Two I²S Digital Audio Serial Port Inputs
Software & Hardware Volume Control
Integrated FM Compatible Music Synthesizer
Full-Duplex Capture and Playback
Operation at Different Sample Rates
Supports Up to Six Different Sample Rates
Simultaneously
Supports Voice Over Data
1 Hz Resolution Programmable Sample
Rates from 4 kHz to 55.2 kHz
Bidirectional DSP Serial Port
Power Management Modes
Operation from +5 V Supply
Built-In 24 mA Bus Drivers
100-Pin PQFP Package
PRODUCT OVERVIEW
The AD1815 SoundComm™ Controller is a single chip Plug
and Play audio subsystem for adding 16-bit stereo audio and
communications support to personal computers. The AD1815
is compatible with applications written for SoundBlaster Pro
and AdLib/OPL3. The AD1815 provides an integrated audio
solution for Windows 95, Windows 3.1, DirectSound‡ and
multimedia applications. The AD1815 supports telephony and
advanced audio applications by providing a V.34 compatible
modem analog front end and a serial port linking a companion
media pump or DSP to the subsystem.
The AD1815 on-chip Plug and Play hardware provides configu-
ration services for all integrated logical devices.
FUNCTIONAL BLOCK DIAGRAM
MDM_IN
MIC
LINE
SYNTH
CD
VID
L_OUT
R_OUT
MONO_IN
MDMN_OUT
MDMP_OUT
AD1815
0dB/
20dB
OSCILLATORS
AGC
VOLUME
CONTROL
MUTE
WSS
SB PRO
REGISTER
MPU-401
GAME PORT
MV
M
Σ
M
MV
DIF.
PGA
16-BIT
Σ ∆ A/D
CONVERTER
GGGGGG
AAAAAA
MMMMMM
ΣΣΣΣΣΣ
Σ ΣΣ ΣΣΣ
G = GAIN
A
M
A = ATTENUATE
M = MUTE
MV = MASTER VOLUME
MA
Σ
16-BIT
Σ ∆ D/A
CONVERTER
Σ
16-BIT
Σ ∆ D/A
CONVERTER
MA
MA
MA
MA
FORMAT FIFO
DSP
SERIAL
PORT
MUSIC
SYNTHESIZER
FORMAT FIFO
I²S
SERIAL PORT (0)
I²S
SERIAL PORT (1)
DIGITAL PLL
DRQ (X)
IRQ (X)
PC_D (7:0)
PC_A (11:0)
AEN
DACK (X)
IOR
IOW
BCLK (0)
LRCLK (0)
DATA (0)
BCLK (1)
LRCLK (1)
DATA (1)
PCLKO
SoundComm is a trademark of Analog Devices, Inc.
*SoundBlaster is a registered trademark of Creative Labs.
†AdLib is a trademark of AdLib Multimedia and OPL is a registered
trademark of Yamaha Corporation.
‡DirectSound is a trademark of Microsoft Corp.
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
© Analog Devices, Inc., 1996
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
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