Force SPARC/CPCI-520G, Technical Reference Manual

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Ethernet and EBus2 Devices – PCIO Hardware Description
Page 84 SPARC/CPCI-52x(G)
6.3.7 Audio Interface – CS4231A
The Base-520(G) provides an Audio Controller – CS4231A at PCI bus
base address
F120.000016
on the EBus2. 2 DMA channels of the
PCIO EBus2 are used for the audio interface (see table 38 “PCIO EBus2
DMA channels” on page 78): one for capture (Micro In, Line/Aux In)
and one for playback (Line/Headphone Out).
Device features • 16-bit stereo audio converters and complete on-chip filtering for
record and playback of 16-bit audio data
• Windows sound system compatible
• ADPCM compression and decompression
• Extensive software support
• MPC level 2 compatible mixer
• Dual DMA registers support full duplex operation for capture and
playback
• On-chip FIFOs for higher performance
• Included analog mixing and programmable gain and attenuation.