AD1848
FEATURES
Single-Chip Integrated ∑∆ Digital Audio Stereo Codec Supports the Microsoft Windows Sound System® Multiple Channels of Stereo Input Analog and Digital Signal Mixing Programmable Gain and Attenuation On-Chip Signal Filters Digital Interpolation Analog Output Low-Pass Sample Rates from 5.5 k Hz to 48 k Hz 68-Lead PLCC and 68-Lead TQFP Packages Operation from +5 V Supplies Byte-Wide Parallel Interface to ISA and EISA Buses Supports One or Two DMA Channels and Programmed I/O PRODUCT OVERVIEW
Parallel-Port 16-Bit Sound Port Stereo Codec AD1848K supply. It provides a direct, byte-wide interface to both ISA (“AT”) and EISA puter buses for simplified implementation on a puter motherboard or add-in card. The AD1848K generates enable and direction controls for IC buffers such as 74_245. The AD1848K Sound Port Stereo Codec supports a DMA request/grant architecture for transferring data with the host puter bus. One or two DMA channels can be supported. Programmed I/O (PIO) mode is also...
