AD1846
FEATURES
Low Cost, Pin- and Register-patible Alternative to AD1848 Single-Chip Integrated ∑∆ Digital Audio Stereo Codec Supports the Microsoft Windows Sound System- Multiple Channels of Stereo Input and Output Analog and Digital Signal Mixing Programmable Gain and Attenuation On-Chip Signal Filters Digital Interpolation and Decimation Analog Output Low-Pass Sample Rates from 5.5 k Hz to 48 k Hz 68-Lead PLCC Package Operation from +5 V Supply Byte-Wide Parallel Interface to ISA and EISA Buses Supports One or Two DMA Channels and Programmed I/O PRODUCT OVERVIEW
Low Cost Parallel-Port 16-Bit Sound Port Stereo Codec AD1846
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 AD1846 generates enable and direction controls for IC buffers such as the 74_245. The AD1846 Sound Port Stereo Codec supports a DMA request/grant architecture for transferring data with the host puter bus. One or two DMA...
