L64105 LSI Logic Corporation, L64105 Datasheet - Page 333
L64105
Manufacturer Part Number
L64105
Description
Mpeg-2 Audio/video Decoder
Manufacturer
LSI Logic Corporation
Datasheet
1.L64105.pdf
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10.1 Features
Chapter 10
Audio Decoder Module
This chapter describes the operation of the L64105 Audio Decoder. The
Audio Decoder processes two different audio input bitstreams, Linear
PCM and MPEG (MUSICAM). It also includes two output interfaces, a
serial DAC interface, and a IEC958 S/P DIF interface.
This chapter contains the following sections:
Section 10.1, “Features,” page 10-1
Section 10.2, “Audio Decoder Overview,” page 10-2
Section 10.3, “Decoding Flow Control,” page 10-6
Section 10.4, “MPEG Audio Decoder,” page 10-10
Section 10.5, “Linear PCM Audio Decoder,” page 10-14
Section 10.6, “MPEG Formatter,” page 10-19
Section 10.7, “PCM FIFO Mode,” page 10-26
Section 10.8, “DAC Interface,” page 10-27
Section 10.9, “S/P DIF Interface,” page 10-29
Section 10.10, “Clock Divider,” page 10-32
MPEG Decoder
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Decodes 1 or 2 main channels of audio
Sampling Frequencies (Fs) =16, 22.05, 24, 32, 44.1, and 48 kHz
Bit Rate = 8 to 448 Kbps
Layer I includes 384 samples per frame, Layer II contains 1152
samples per frame.
16 bits per sample resolution
10-1
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