PRODUCT OVERVIEW
The Parallel Port AD1845 SoundPort Stereo Codec integrates key audio data conversion and control functions into a single integrated circuit. The AD1845 provides a complete, single chip computer audio solution for business audio and multimedia applications.

FEATURES
  Single-Chip Integrated ∑∆ Digital Audio Stereo Codec
  Microsoft® and Windows® Sound System Compatible
  MPC Level-2+ Compliant Mixing
  16 mA Bus Drive Capability
  Supports Two DMA Channels for Full Duplex Operation
  On-Chip Capture and Playback FIFOs
  Advanced Power-Down Modes
  Programmable Gain and Attenuation
  Sample Rates from 4.0 kHz to 50 kHz Derived from a Single Clock or Crystal Input
  68-Lead PLCC, 100-Lead TQFP Packages
  Operation from +5 V Supplies
  Byte-Wide Parallel Interface to ISA and EISA Buses
  Pin Compatible with AD1848, AD1846, CS4248, CS4231