
Cirrus Logic
Description
The CS4923/4/5/6/7/8 is a family of multi-channel digital audio decoders, with the exception of the CS4929 as the only stereo digital audio decoder. The CS4923/4/5/6 are designed for Dolby Digital and MPEG-2 Stereo decoding. In addition the CS4925 adds MPEG-2 multi-channel ecoding capability and the CS4926 provides DTS decoding. The CS4927 is an MPEG-2 multi-channel decoder and the CS4928 is a DTS multi-channel decoder.
lCS4923/4/5/6/7/8 features
— Optional Virtual 3D Output
— Simulated Surround and Programmable Effects
— Real Time Autodetection of Dolby Digital®, DTS®, MPEG Multi-Channel and PCM
— Flexible 6-channel master or slave output
lCS4923/4/5/6/7/8/9 features
— IEC60958/61937 transmitter for compressed data or linear-PCM output
— Dedicated 8 kilobyte input buffer
— DAC clock via analog phase-locked loop
— Dedicated byte wide or serial host interface
— Multiple compressed data input modes
— PES layer decode for A/V synchronization
— 96-kHz-capable PCM I/O, master or slave
— Optional external memory and auto-boot
— +3.3-V CMOS low-power, 44-pin package
lCS4923/4/5/6 features
— Capable of Dolby Digital® Group A Performance
— Dolby bass manager and crossover filters
— Dolby Surround Pro Logic® Decoding
lCS4925/7: MPEG-2 Multi-Channel Decoder
lCS4926/8: DTS Multi-Channel Decoder
lCS4929: AAC 2-Channel (Low Complexity) and MPEG-2 Stereo Decoder