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Analog Devices Semiconductor Electronic Components Datasheet

AD1816A Datasheet

SoundPort Controller

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AD1816A pdf
a
SoundPort® Controller
AD1816A
FEATURES
Compatible with Microsoft® PC 97 Logo Requirements
Supports Applications Written for Windows® 95,
Windows 3.1, Windows NT, SoundBlaster® Pro,
AdLib®/OPL3®
Stereo Audio 16-Bit ⌺⌬ Codec
Internal 3D Circuit—Phat™ Stereo Phase Expander
MPC Level-3 Mixer
ISA Plug and Play Compatible
16-Bit Address Decode
Dual Type F FIFO DMA Support
MPU-401 Compatible MIDI Port
Supports Wavetable Synthesizers
Integrated Enhanced Digital Game Port
Bidirectional DSP Serial Port
Two I2S Digital Audio Serial Ports
Integrated OPL3 Compatible Music Synthesizer
Software and Hardware Volume Control
Full-Duplex Capture and Playback Operation at
Different Sample Rates
Supports Up to Six Different Sample Rates Simultaneously
1 Hz Resolution Programmable Sample Rates from
4 kHz to 55.2 kHz
Power Management Modes
Operation from +5 V Supply
Built-In 24 mA Bus Drivers
100-Lead PQFP and TQFP Package
FUNCTIONAL BLOCK DIAGRAM
AD1816A
MIC
LINE
SYNTH
CD
VID
PHONE_IN
0dB/
20dB
Σ
L_OUT
PHONE_OUT
R_OUT
MV
MV
MV
Σ
Σ
AGC
HARDWARE
VOLUME
CONTROL
MODEM/
LOGICAL
DEVICE
CONTROL
E2PROM
CONTROL
SB PRO
REGISTER
MPU-401
GAME PORT
PGA
16-BIT
⌺⌬ A/D
CONVERTER
DSP SERIAL PORT
2
A
M
GGGGG
AAAAA
MMMMM
Σ ΣΣΣΣΣ
Σ
Σ Σ ΣΣΣΣ
G = GAIN
A = ATTENUATE
M = MUTE
MV = MASTER VOLUME
MA
Σ
16-BIT
⌺⌬ D/A
CONVERTER
Σ
MA
MA
MA
OSCILLATORS
2 MUSIC
SYNTHESIZER
2
2
I2S SERIAL PORT (0)
2
I2S SERIAL PORT (1)
SERIAL PORT
INTERFACE
DIGITAL PLL
DRQ (X)
IRQ (X)
PC_D (7:0)
PC_A (15:0)
AEN
DACK (X)
IOR
IOW
BCLK (0)
LRCLK (0)
SDATA (0)
BCLK (1)
LRCLK (1)
SDATA (1)
PCLKO
SoundPort is a registered trademark of Analog Devices, Inc.
Phat is a trademark of Analog Devices, Inc.
All other trademarks are the property of their respective holders.
REV. A
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.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
© Analog Devices, Inc., 1997


Analog Devices Semiconductor Electronic Components Datasheet

AD1816A Datasheet

SoundPort Controller

No Preview Available !

AD1816A pdf
AD1816A
PRODUCT OVERVIEW
The AD1816A SoundPort Controller is a single chip Plug and
Play multimedia audio subsystem for concurrently processing
multiple digital streams of 16-bit stereo audio in personal com-
puters. The AD1816A maintains full legacy compatibility with
applications written for SoundBlaster Pro and AdLib, while ser-
vicing Microsoft PC 97 application requirements. The AD1816A
includes an internal OPL3 compatible music synthesizer, Phat
Stereo circuitry for phase expanding the analog stereo output,
an MPU-401 UART, joystick interface with a built-in timer, a
DSP serial port and two I2S serial ports. The AD1816A on-chip
Plug and Play routine provides configuration services for all in-
tegrated logical devices. Using an external E2PROM allows the
AD1816A to decode up to two additional external user-defined
logical devices such as modem and CD-ROM.
TABLE OF CONTENTS
FEATURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
PRODUCT OVERVIEW . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
PIN CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
PIN FUNCTION DESCRIPTIONS . . . . . . . . . . . . . . . . . 11
HOST INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
SERIAL INTERFACES . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
ISA INTERFACE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
AD1816A Chip Registers . . . . . . . . . . . . . . . . . . . . . . . . . 21
AD1816A Plug and Play Device Configuration Registers . . 22
Sound System Direct Registers . . . . . . . . . . . . . . . . . . . . . 23
Sound System Indirect Registers . . . . . . . . . . . . . . . . . . . 29
SB Pro; AdLib Registers . . . . . . . . . . . . . . . . . . . . . . . . . . 38
MPU-401 Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Game Port Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
APPENDIX A.
PLUG AND PLAY INTERNAL ROM . . . . . . . . . . . . . . 40
PLUG AND PLAY KEY AND “ALTERNATE KEY”
SEQUENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
AD1816 AND AD1816A COMPATIBILITY . . . . . . . . . 42
USING AN EEPROM WITH THE AD1816 OR
AD1816A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
AD1816 FLAG BYTE . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
USING THE AD1816 WITHOUT AN EEPROM . . . . . 42
AD1816A FLAG BYTES . . . . . . . . . . . . . . . . . . . . . . . . 43
USING THE AD1816A WITHOUT AN EEPROM . . . . 44
MAPPING THE AD1816 EEPROM INTO THE
AD1816A EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . 45
PIN MUXING IN THE AD1816 AND AD1816A . . . . . 45
PROGRAMMING EXTERNAL EEPROMS . . . . . . . . . 47
REFERENCE DESIGNS AND DEVICE DRIVERS . . . 47
OUTLINE DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . 50
Figures
Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Figure 1. PIO Read Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 2. PIO Write Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 3. DMA Read Cycle . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 4. DMA Write Cycle . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 5. Codec Transfers . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 6. DSP Port Timing . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 7. I2S Serial Port Timing . . . . . . . . . . . . . . . . . . . . . . 7
Figure 8. Reset Pulse Width . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 9. Serial Interface Right-Justified Mode . . . . . . . . . . 17
Figure 10. Serial Interface I2S-Justified Mode . . . . . . . . . . . 17
Figure 11. Serial Interface Left-Justified Mode . . . . . . . . . . 17
Figure 12. DSP Serial Interface (Default Frame Rate) . . . . 20
Figure 13. DSP Serial Interface (User Programmed
Frame Rate) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 14. DSP Serial Port . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 15. Codec Transfers . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 16. Recommended Application Circuit . . . . . . . . . . 48
Figure 17. AD1816A Frequency Response Plots . . . . . . . . . 49
Tables
Table I. DSP Port Time Slot Map . . . . . . . . . . . . . . . . . . . 18
Table II. Chip Register Diagram . . . . . . . . . . . . . . . . . . . . . 21
Table III. Logical Devices and Compatible Plug and
Play Device Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Table IV. Internal Logical Device Configuration . . . . . . . . 23
Table V. Sound System Direct Registers . . . . . . . . . . . . . . . 23
Table VI. Codec Transfers . . . . . . . . . . . . . . . . . . . . . . . . . 27
Table VII. Indirect Register Map and Reset/Default States . 30
Table VIII. Sound System Indirect Registers . . . . . . . . . . . 31
Table IX. SoundBlaster Pro ISA Bus Registers . . . . . . . . . . 38
Table X. AdLib ISA Bus Registers . . . . . . . . . . . . . . . . . . . 39
Table XI. MIDI ISA Bus Registers . . . . . . . . . . . . . . . . . . . 39
Table XII. Game Port ISA Bus Registers . . . . . . . . . . . . . . 39
Table XIII. AD1816 Pin Muxing . . . . . . . . . . . . . . . . . . . . 45
Table XIV. AD1816A Pin Muxing . . . . . . . . . . . . . . . . . . . 46
–2– REV. A


Part Number AD1816A
Description SoundPort Controller
Maker Analog Devices
Total Page 30 Pages
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