General Description
The CS4215 is an MwaveTM audio codec.
The CS4215 is a single-chip, stereo, CMOS multimedia codec that supports CD-quality music, FM radio-quality music, telephone-quality speech, and modems. The analog-to-digital and digital-to-analog converters are 64×oversampled delta-sigma converters with on-chip filters which adapt to the sample frequency selected.

FEATUREs
• Sample Frequencies from 4 kHz to 50 kHz
• 16-bit Linear, 8-bit Linear, µ-Law, or A-Law Audio Data Coding
• Programmable Gain for Analog Inputs
• Programmable Attenuation for Analog Outputs
• On-chip Oscillators
• +5V Power Supply
• Microphone and Line Level Analog Inputs
• Headphone, Speaker, and Line Outputs
• On-chip Anti-Aliasing/Smoothing Filters
• Serial Digital Interface