cs4297 Cirrus Logic, Inc., cs4297 Datasheet - Page 10

• Manufacturer Part Number: cs4297
• Description: Crystalclear Soundfusion Audio Codec 97 Logic
• Manufacturer: Cirrus Logic, Inc.

PARAMETER AND TERM DEFINITIONS
AC’97 Specification
AC’97 Controller
‘set’
‘clear’ or ‘cleared’
AC’97 Registers
ADC
DAC
Codec
FFT
Resolution
Differential Nonlinearity
dB FS A
10
Refers to the Audio Codec ‘97 Component Specification Ver 1.03 published by Intel
Corporation [1].
Refers to the control chip which interfaces to the CS4297’s AC-Link. This has been also called
“DC’97” [1].
Refers to a digital value of Vcc, “1”, or “high”.
Refers to a digital value of GND, “0” or “low”.
Refers to the 64-field register map defined in the AC’97 Specification.
Refers to a single Analog-to-Digital converter in the CS4297. “ADCs” refers to the stereo pair
of Analog-to-Digital converters.
A single Digital-to-Analog converter in the CS4297. “DACs” refers to the stereo pair of
Digital-to-Analog converters.
Refers to the set of ADCs, DACs, and Analog mixer portions of the CS4297.
Fast Fourier Transform.
The number of bits in the output words to the DACs, and in the input words to the ADCs.
The worst case deviation from the ideal code width. Units in LSB.
dB FS is defined as dB relative to full-scale. The “A” indicates an A weighting filter was used.
CrystalClear™ SoundFusion™ Audio Codec ’97
CS4297
DS242F5
®