Yamaha OPL3-SA3 Joystick, Modem, Hardware Volume Interrupt Channel Configuration R/W

Page 42

YMF715E

Hardware Volume Interrupt Channel Configuration (R/W):

Index

D7

D6

D5

D4

D3

D2

D1

D0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17h

-

-

IRQ-B MV

IRQ-A MV

-

*

*

*

The Hardware Volume can source interrupt. This register indicates which interrupt channel will be used. If IRQ-A MV=“1”, assigned to IRQ-A.

default : 00h

Notice)

Writing to the other bit positions is invalid, though the bits remarked * (D2-D0) will retain written values. D3, D6 and D7 will always returns “0” when read.

Multi-purpose Select Pin Status (RO):

Index

D7

D6

D5

D4

D3

D2

D1

D0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18h

”1”

SEL2

SEL1

SEL0

-

-

-

“0”

This is a status register that indicates the state of multi-purpose pin.

SEL2-0...The state of SEL2-0 pins is reflected to these bits. The multi-purpose function of YMF715E (OPL3-SA3) can be confirmed by reading the bits. These bits are read only.

default : (1xxx0000)b

9-2. Joystick

port

D7

D6

D5

D4

D3

D2

D1

D0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

xxh

JBB2

JBB1

JAB2

JAB1

JBCY

JBCX

JACY

JACX

JACX... Joystick A, Coordinate X

JACY... Joystick A, Coordinate Y

JBCX... Joystick B, Coordinate X

JBCY... Joystick B, Coordinate Y

JAB1... Joystick A, Button 1

JAB2... Joystick A, Button 2

JBB1... Joystick B, Button 1

JBB2... Joystick B, Button 2

Notice)

The Joystick portion must be re-initialized by writing any value to the Joystick port after resuming from the power down/save or the Joystick portion power down mode.

9-3. MODEM

The following pins are for MODEM interface with PnP supported. /MCS... chip select (eight consecutive byte I/O)

MIRQ... interrupt signal

And MIN is the analog input to mix the telephone line.

MIN... analog input

May 21, 1997

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Contents YMF715E YMF715E AEN TTL ResetTTL IOWTXD TTL CmosRXD 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 APM OPL3-SA3 Suspend/Resume ModeBios 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 Status Register RO WSS Configuration Register ROWSS compatible 16-bit Codec 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 Mode MiscellaneousMcsw WSS DMA Base counter R/WSbpdr Sound Blaster compatibility Internal State Scan out/in R/WSbpda Sound Blaster compatibility Internal State Scan Data R/WSBPDA=1 SBPDA=0SBPDR=1 SBPDR=0Fmdac Digital Block Partial Power Down R/WAnalog Block Partial Power Down R/W Sbdac3D Enhanced controlWIDE R/W 3D Enhanced controlBASS R/W3D Enhanced controlTREBLE R/W Modem Hardware Volume Interrupt Channel Configuration R/WJoystick 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 Serial Audio Zoomed Video Interface Input AC CharacteristicsCPU Interface & DMA BUS Cycle ,2,3,4,5,6,7,8 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 Output Characteristics Analog CharacteristicsAnalog Input 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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