Integrated
Circuit
Systems, Inc.
ICS2002
Wavedec™ Digital Audio Codec
™
Description
The
ICS2002
is a mixed-signal integrated circuit providing a
low-cost recording and playback solution for multimedia audio
applications. These applications include document annotation,
voice mail, interactive games, multimedia sound record/play-
back, and Windows™ sound production. The
ICS2002
sup-
™
ports the record and playback of 16-bit audio data, and provides
a 8/16-bit parallel interface to the industry standard PC bus.
Features
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Digital audio 8/16-bit record/playback
Fully programmable sample rates including industry
standards:
- 44.1 kHz
- 22.050 kHz
- 11.025 kHz
- 8.00 kHz
- 5.513 kHz
DAC output oversampled to simplify external filtering.
Four data formats:
- 16 bit linear
- 8 bit linear
- 8 bit u-law
- 8 bit a-law
16 step analog output level control, -1.5dB/step
8-bit log scale digital volume control
Oversampling ADC with input filter.
Programmable IIR filters for input anti-aliasing and output
reconstruction.
ISA bus interface
8/16-bit DMA and I/O transfer modes
Input/output FIFO buffer
Power-down mode
44-pin PLCC package
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Block Diagram
Wavedec is a trademark of Integrated Circuit Systems, Inc.
ICS2002RevF093094
ICS [ INTEGRATED CIRCUIT SYSTEMS ]
