描述 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/playback, and Windows? sound production. The ICS2002 supports the record and playback of 16-bit audio data, and provides a 8/16-bit parallel interface to the industry standard PC bus.

特性 Features

? 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