Yamaha specifications Suspend/Resume Mode, APM OPL3-SA3, Bios, Off

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YMF715E

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

OPL3-SA3

WIN(Driver)

BIOS

 

 

 

 

ON

ON

○

○

APM Enabled

Partial Power Down

○

×

APM Standby

Power Save(Down)

○

○

APM Suspend

OFF

○

○

OFF

OFF

○

○

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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Contents YMF715E YMF715E Reset TTLAEN TTL IOWCmos RXDTXD TTL VolupBlock Diagram Multi-purpose pin Multi-purpose function SEL=0 SEL=1 SEL=2 SEL=3 SEL=4 SEL=5 SEL=6 SEL=7Pin description System Block Diagram AEN ResetdrvEeprom IOW,/IOR AENIOW,/IOR SA2-0 SEL=4 for Notebook PC SEL=5 for Notebook PC SEL=7 for Notebook PC, Desktop PC PnP Auto-Configuration mode ISA InterfaceOPL3 PnP ISA Configuration Register Card Control RegistersLogical Device Number = 1 Joystick Recommended Resource Data Logical Device Number = 3 CD-ROM OptionalLDN=2MODEM Manual Configuration Mode LDN=3CD-ROMHardware Volume Interrupt Download Resource dataExternal Eeprom DAC interface 3D Enhanced ControlYMODE1 YMODE0 Power Management VrefPartial Power Down Mode Power Save ModePDN=PDX=1 Suspend/Resume Mode BiosAPM OPL3-SA3 OFFRegister description 9-1. SA Sound System 9-1-1. OPL3 OPL3 Status Register ROOPL3 Data Register Array 0 R/W Sound Blaster Pro compatibility OPL3 Data Register Array 1 R/WDSP Command Sound Blaster Pro compatibility Mixer SA3 Ctrl WSS Configuration Register RO WSS compatible 16-bit CodecWSS Status Register RO WSS Codec Direct Registers R/WWSS Codec Indirect Registers R/W Power Management R/W MPU401OPL3-SA3 control register System control R/W SbheIDSEL1 IDSEL0 Interrupt Channel configuration R/W IRQ-A WSS + OPL3Interrupt IRQ-A status RO DMA configuration R/W Interrupt IRQ-B status RODMA-A WSS-P DMA-B WSS-R + SB Master Volume Lch R/W Master Volume Rch R/WMIC Volume R/W Miscellaneous McswMode WSS DMA Base counter R/WSound Blaster compatibility Internal State Scan out/in R/W SbpdaSbpdr Sound Blaster compatibility Internal State Scan Data R/WSBPDA=0 SBPDR=1SBPDA=1 SBPDR=0Digital Block Partial Power Down R/W Analog Block Partial Power Down R/WFmdac Sbdac3D Enhanced controlWIDE R/W 3D Enhanced controlBASS R/W3D Enhanced controlTREBLE R/W Hardware Volume Interrupt Channel Configuration R/W JoystickModem Multi-purpose Select Pin Status ROCD-ROM Electrical Characteristics Absolute Maximum Ratings DC Characteristics 1 Dvdd = 5.0±0.25VRecommended Operating Conditions DC Characteristics 2 Dvdd = 3.3±0.30V AC Characteristics CPU Interface & DMA BUS Cycle ,2,3,4,5,6,7,8Serial Audio Zoomed Video Interface Input Bclk ↑/LRCKSymbol Condition Min Typ Max Unit Master Clock Frequency Write Cycle 8bit Mono & Adpcm DMA Write Cycle 8bit Stereo or 16bit Mono DMA Cycle External Interface External Synthesizer, CD ROM, Modem Analog Characteristics Analog Input CharacteristicsAnalog Output Characteristics ･ LINE/AUX1,2/MIN/MICExternal Dimensions Yamaha Corporation

OPL3-SA3 specifications

The Yamaha OPL3-SA3 is a highly regarded sound card known for its exceptional audio performance and versatility, capturing the interest of enthusiasts and professionals in the digital audio realm. As an advanced version of the popular OPL3 series, the OPL3-SA3 integrates cutting-edge technologies that enhance its sound generation capabilities, making it a sought-after component for both music production and gaming applications.

One of the key features of the Yamaha OPL3-SA3 is its use of the FM synthesis technology, which allows for the generation of rich, complex sounds that are particularly favored in electronic and video game music. The OPL3 architecture supports up to 18 channels of audio output, enabling the simultaneous playback of multiple sounds without compromising quality. This multichannel capability enhances its use in audio applications, where layering various sound elements is crucial.

In addition to its synthesis features, the OPL3-SA3 also incorporates advanced MIDI capabilities, allowing musicians to connect and control external MIDI devices seamlessly. The integration of General MIDI support expands its usability in various music production setups. This makes the OPL3-SA3 a versatile option for composers and sound designers looking to create intricate soundscapes or realistic instrument simulations.

The audio quality of the OPL3-SA3 is further complemented by its 16-bit resolution and a sampling rate of up to 44.1 kHz, delivering clear and dynamic audio playback. This high level of fidelity is essential for generating lifelike sounds, making it suitable for both professional recordings and high-quality gaming experiences.

Another notable characteristic of the OPL3-SA3 is its compatibility with a wide range of operating systems, including DOS and Windows platforms, enhancing its accessibility for users of different systems. The card's drivers are designed for simplicity and reliability, ensuring that it can be easily integrated into existing audio setups.

With its combination of FM synthesis, MIDI capabilities, multichannel support, and high-fidelity audio performance, the Yamaha OPL3-SA3 stands out as a powerful tool for sound generation. Whether utilized by musicians, audio engineers, or game developers, the OPL3-SA3 continues to be a valuable asset in the evolving landscape of digital audio. Its legacy in the realm of sound cards remains influential, showcasing Yamaha's commitment to innovation and quality in the field of audio technology.
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