Avance Logic ALS100, User Manual, Page: 19 / 48

ALS100/L/M User’s Guide 10070 1.0
Evaluation Sound Cards 9
AS9548 Sound Card Description
The AS9548 sound card contains an example of the AS9538 sound system de-
sign and is intended for the evaluation of that design. The AS9538 sound sys-
tem design is intended for use in PC Notebooks (see “AS9538 PC Notebook
Sound System Design” on page 27).The AS9548 sound card has circuitry in
addition to the AS9538 sound system design so that it can operate in a standard
PC for a more convenient evaluation platform.
The AS9538 sound system design is based on the ALS100L Integrated Audio
Subsystem ASIC, the 3.3 V input voltage version of the ALS100, and contains
the following features.
• 16-bit ISA Plug and Play design
• Game/MIDI port
• Audio inputs from:
·
ATAPI IDE CD-ROM audio
· Sony CD-ROM audio
· Microphone
· Line In
• Audio Outputs to:
·
Line Out
· Speaker Out
• Yamaha OPL3 FM Synthesizer