YMF715E Datasheet, PDF (24/54 Pages) YAMAHA CORPORATION – OPL3 Single-chip Audio System 3

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8-4. Suspend/Resume Mode
There is no “read only” or “hidden state” registers in OPL3-SA3. This means you can always read
and save these values before power off and can set those values back in registers after reset or power
on to achieve the suspend/resume capability.
Correspondence to APM
APM
ON
APM Enabled
APM Standby
APM Suspend
OFF
OPL3-SA3
ON
Partial Power Down
Power Save(Down)
OFF
OFF
WIN(Driver)
˓
˓
˓
˓
˓
BIOS
˓
Ê·
˓
˓
˓
Note : Analog Power OFF Feature
OPL3-SA3 has the special feature that the Analog power supplies can be removed from OPL3-SA3. This
feature is independent of digital portion.
May 21, 1997
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