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AD1812

Analog Devices
Part Number AD1812
Manufacturer Analog Devices
Description SoundPort Controller
Published Mar 23, 2005
Detailed Description a FEATURES Compatibility with: Sound Blaster Pro* AdLib* Windows* Sound System 16-Bit ⌺⌬ Stereo Codec MPC Level-2+ Mixer...
Datasheet PDF File AD1812 PDF File

AD1812
AD1812

Overview
a FEATURES Compatibility with: Sound Blaster Pro* AdLib* Windows* Sound System 16-Bit ⌺⌬ Stereo Codec MPC Level-2+ Mixer Dual DMA/Full Duplex Operation On-Chip FIFO Buffers Sample Rates from 5.
5 kHz to 50 kHz ADPCM Compression/Decompression Plug and Play Compliant Compatible MIDI MPU-401 Port Integrated Game Port Free Supporting Software: Windows 3.
1 Driver Windows 95 Driver Control Applets Diagnostics Power Management Modes Operation from +5 V Supply 16-Bit Parallel Interface to ISA Bus 24 mA Bus Drive Capability *Sound Blaster Pro is a trademark of Creative Labs, Ltd.
*AdLib is a trademark of AdLib Multimedia.
*Windows is a trademark and Microsoft is a registered trademark of *Microsoft Corp.
SoundPort is a registered trademark of Analog Devices, Inc.
SoundPort Controller AD1812 PRODUCT OVERVIEW The AD1812 SoundPort® Controller is a single chip audio subsystem for adding 16-bit stereo audio to personal computers.
The AD1812 is compatible with Sound Blaster Pro, AdLib, and the Microsoft* Windows Sound System.
The AD1812 provides an integrated audio solution for enhanced business audio, entertainment sound effects, and multimedia applications.
The AD1812 audio subsystem combines an integrated digital audio controller, a powerful signal processor, a mixer, and a 16-bit Σ∆ stereo codec.
The DOS games register set, the Windows Sound System register set, music synthesis hardware, an MPU-401 compatible UART interface, a game port (with timer), and a Plug and Play ISA interface are all contained on chip.
The on-chip Plug and Play (PnP) routine provides configuration services for the internal logical devices and an external modem chipset.
The AD1812 can record compress and playback voice, sound and music.
The system provides all PC 95 audio conversion and compatibility requirements for a multimedia enabled PC.
( continued on Page 12) FUNCTIONAL BLOCK DIAGRAM XTALI/O A_1 B_1 A_X B_X A_2 B_2 A_Y B_Y MIDI _IN MIDI _OUT AD1812 OSCILLATORS MIC LINE AUX1 0dB/ 20dB SELECTOR Σ...


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