Yamaha OPL3-SA3 AC Characteristics, CPU Interface & DMA BUS Cycle ,2,3,4,5,6,7,8, Bclk ↑/LRCK

Page 46

YMF715E

AC Characteristics

CPU Interface & DMA BUS Cycle :Fig.1,2,3,4,5,6,7,8

Item

Symbol

Min.

Typ.

Max.

Unit

/DACK inactive to /IOW, /IOR falling edge

tAKS

50

 

 

ns

/DACK active from /IOW, /IOR rising edge

tAKH

10

 

 

ns

Address set up to /IOW, /IOR active

tAS

40

 

 

ns

Address hold to /IOW, /IOR inactive

tAH

10

 

 

ns

/IOW Write Pulse Width

tWW

90

 

 

ns

Write Data set up to /IOW active

tWDS

20

 

 

ns

Write Data hold to /IOW inactive

tWDH

10

 

 

ns

/IOR Read Pulse Width

tRW

90

 

 

ns

Read Data access time

tACC

 

 

80

ns

Read Data hold from /IOR inactive

tRDH

0

 

 

ns

DRQ hold from /IOW, /IOR falling edge

tDGH

0

 

20

ns

/DACK set up to /IOW, /IOR falling edge

tSF

25

 

 

ns

/DACK hold to /IOW, /IOR rising edge

tHR

25

 

 

ns

Time between rising edge of /IOW, /IOR to next

 

 

 

 

 

falling edge of /IOW, /IOR

tNX

100

 

 

ns

Valid Address from /SYNCS or /MCS or /CDCS1-0

tEX1

 

 

70(90) *

ns

/SYNCS or /MCS or /CDCS1-0 hold to Valid Address

tEX2

 

 

70(90) *

ns

RESET Pulse Width

tRST

90

 

 

μ s

Note : DVSS=AVSS=0[V], TOP=0~70, DVDD=5.0±0.25[V] or 3.3±0.30[V], AVDD=5.0[V] *... The value into the brackets is specified at DVDD=3.3±0.30[V].

Serial Audio (Zoomed Video) Interface Input :Fig.9

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

BCLK Cycle

fBCK

 

32fs

48fs

64fs

kHz

BCLK Duty

DBCLK

 

40

50

60

%

LRCK Hold Time

tLRH

BCLK/LRCK

-120

 

120

ns

SIN Set up Time

tDS

BCLK/SIN

20

 

 

ns

SIN Hold Time

tDH

BCLK/SIN

20

 

 

ns

CLKO Frequency

fCLKO33

 

 

33.8688

 

MHz

CLKO Duty

DCLKO33

f33=50%

40

50

60

%

Note : DVSS=AVSS=0[V], TOP=0~70, DVDD=5.0±0.25[V] or 3.3±0.30[V], AVDD=5.0[V]

Duty Search Point is 1/2 DVDD.

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 AEN Resetdrv System Block DiagramEeprom IOW,/IOR AENIOW,/IOR SA2-0 SEL=4 for Notebook PC SEL=5 for Notebook PC SEL=7 for Notebook PC, Desktop PC ISA Interface PnP Auto-Configuration modeOPL3 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-ROMDownload Resource data Hardware Volume InterruptExternal Eeprom 3D Enhanced Control DAC interfaceYMODE1 YMODE0 Power Management VrefPower Save Mode Partial Power Down ModePDN=PDX=1 APM OPL3-SA3 Suspend/Resume ModeBios OFFOPL3 Status Register RO Register description 9-1. SA Sound System 9-1-1. OPL3OPL3 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 MPU401 Power Management R/WOPL3-SA3 control register Sbhe System control R/WIDSEL1 IDSEL0 IRQ-A WSS + OPL3 Interrupt Channel configuration R/WInterrupt IRQ-A status RO Interrupt IRQ-B status RO DMA configuration R/WDMA-A WSS-P DMA-B WSS-R + SB Master Volume Rch R/W Master Volume Lch 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 controlBASS R/W 3D Enhanced controlWIDE R/W3D Enhanced controlTREBLE R/W Modem Hardware Volume Interrupt Channel Configuration R/WJoystick Multi-purpose Select Pin Status ROCD-ROM DC Characteristics 1 Dvdd = 5.0±0.25V Electrical Characteristics Absolute Maximum RatingsRecommended 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.