Yamaha YMF724F specifications SB Mixer AC-2

Page 34

YMF724F

(1) Volume for MIDI

 

 

0

 

1

 

2

 

 

 

 

 

0

mute

 

mute

 

mute

 

 

 

 

0000h

 

0000h

 

0000h

 

 

 

 

 

1

mute

 

-52dB

 

-42dB

 

0000h

 

0029h

 

0082h

 

 

 

 

 

2

mute

 

-42dB

 

-32dB

(22h)

0000h

 

0082h

 

019Bh

 

 

 

3

mute

 

-36dB

 

-26dB

 

 

 

Vol.

0000h

 

0103h

 

0335h

 

 

 

 

 

 

 

Master

4

mute

 

-32dB

 

-22dB

mute

 

-30dB

 

-20dB

 

 

0000h

 

019Bh

 

0515h

 

5

0000h

 

0206h

 

0666h

 

 

 

 

 

6

mute

 

-28dB

 

-18dB

 

0000h

 

028Ch

 

080Eh

 

 

 

 

 

7

mute

 

-26dB

 

-16dB

 

0000h

 

0335h

 

0A24h

 

 

 

 

 

 

 

 

 

 

 

The default is Master = 4, MIDI = 4 (-12dB).

(2) Volume for Voice

 

 

0

 

1

 

2

 

 

 

 

 

0

mute

 

mute

 

mute

 

 

 

 

0000h

 

0000h

 

0000h

 

 

 

 

 

1

mute

 

-56dB

 

-46dB

 

0000h

 

0019h

 

0052h

 

 

 

 

 

2

mute

 

-46dB

 

-36dB

(22h)

0000h

 

0052h

 

0103h

 

 

 

3

mute

 

-40dB

 

-30dB

 

 

 

Vol.

0000h

 

00A3h

 

0206h

 

 

 

 

 

 

 

Master

4

mute

 

-36dB

 

-26dB

mute

 

-34dB

 

-24dB

 

 

0000h

 

0103h

 

0335h

 

5

0000h

 

0146h

 

0409h

 

 

 

 

 

6

mute

 

-32dB

 

-22dB

 

0000h

 

019Bh

 

0515h

 

 

 

 

 

7

mute

 

-30dB

 

-20dB

 

0000h

 

0206h

 

0666h

 

 

 

 

 

 

 

 

 

 

 

MIDI Vol. (26h)

3

4

5

6

7

mute

mute

mute

mute

mute

0000h

0000h

0000h

0000h

0000h

-36dB

-32dB

-30dB

-28dB

-26dB

0103h

019Bh

0206h

028Ch

0335h

-26dB

-22dB

-20dB

-18dB

-16dB

0335h

0515h

0666h

080Eh

0A24h

-20dB

-16dB

-14dB

-12dB

-10dB

0666h

0A24h

0CC5h

1013h

143Dh

-16dB

-12dB

-10dB

-8dB

-6dB

0A24h

1013h

143Dh

197Ah

2013h

-14dB

-10dB

-8dB

-6dB

-4dB

0CC5h

143Dh

197Ah

2013h

2861h

-12dB

-8dB

-6dB

-4dB

-2dB

1013h

197Ah

2013h

2861h

32D6h

-10dB

-6dB

-4dB

-2dB

0dB

143Dh

2013h

2861h

32D6h

3FFFh

 

 

 

 

 

Voice Vol. (04h)

3

4

5

6

7

mute

mute

mute

mute

mute

0000h

0000h

0000h

0000h

0000h

-40dB

-36dB

-34dB

-32dB

-30dB

00A3h

0103h

0146h

019Bh

0206h

-30dB

-26dB

-24dB

-22dB

-20dB

0206h

0335h

0409h

0515h

0666Eh

-24dB

-20dB

-18dB

-16dB

-14dB

0409h

0666h

080Eh

0A24h

0CC5h

-20dB

-16dB

-14dB

-12dB

-10dB

0666h

0A24h

0CC5h

1013h

143Dh

-18dB

-14dB

-12dB

-10dB

-8dB

080Eh

0CC5h

1013h

143Dh

197Ah

-16dB

-12dB

-10dB

-8dB

-6dB

0A24h

1013h

143Dh

197Ah

2013h

-14dB

-10dB

-8dB

-6dB

-4dB

0CC5h

143Dh

187Ah

2013h

2861h

 

 

 

 

 

The default is Master = 4, Voice = 4 (-16dB).

(2) SB Mixer ® AC-2

The volume of CD, Line and MIC are applied to this case. AC-2 volume are not updated automatically when these values are changed. Thus, the SB Mixer values need to be written to the AC-2 register with the software.

September 21, 1998

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Contents Features OverviewGM system level LogosSensaura PIN Configuration YMF724F-VPCI Bus Interface 53-pin PIN DescriptionYMF730AC-2 Interface 6-pin Spdif Interface 1-pin YMF727AC3F2 Interface 9-pinLegacy Device Interface 16-pin Power Supply 39-pin Miscellaneous 15-pinBlock Diagram OPL3System Diagram DOS VMPCI Bus Command Function OverviewPCI Configuration Register 00 01h Vendor ID 04 05h Command02 03h Device ID 06 07h Status 0Ah Sub-class Code 08h Revision ID09h Programming Interface 0Bh Base Class Code0Eh Header Type 0Dh Latency Timer10 13h PCI Audio Memory Base Address 2E-2Fh Subsystem ID 2C-2Dh Subsystem Vendor ID34h Capability Register Pointer 3Eh Minimum Grant 3Ch Interrupt Line3Dh Interrupt Pin 3Fh Maximum Latency40 41h Legacy Audio Control B108 ........SBIRQ Sound Blaster IRQ Channel Select B76 ..........SDMA Sound Blaster DMA-8 Channel SelectB1311 ......MPUIRQ MPU401 IRQ Channel Select 42 43h Extended Legacy Audio Control 44-45h Subsystem Vendor ID Write Register B1211 ......SMOD SB DMA modeB15..............IMOD Legacy IRQ mode B1413 ......SBVER SB Version Select46-47h Subsystem ID Write Register 4A-4Bh DS-1 Power Control Register48-49h DS-1 Control Register PSL1 Power Save Legacy Audio Block DPLL1 Disable PLL1 Clock OscillationPSL0 Power Save Legacy Audio Block PSN Power Save PCI Audio blockB13..............PR5 AC-2 Power down Control B12..............PR4 AC-2 Power down ControlB1514 ......AC-2 Power down Control 6 4C-4Dh D-DMA Slave Configuration 50h Capability ID52-53h Power Management Capabilities 51h Next Item PointerB10 ..........PS Power State 54-55h Power Management Control / Status58-59h Acpi Mode B0................ACPI Acpi Mode SelectISA Compatible Device OPL3PCI OPL3 Block OPL3 Status Register ROOPL3 Data Register Array 0 R/W OPL3 Data Register Array 1 R/WSound Blaster Pro Block CMD Sound Blaster Pro Mixer SB Mixer AC-2 SM Scan Mode B0................SBPDR Sound Blaster Power Down RequestSE Scan Enable Sbpda Sound Blaster Power Down AcknowledgementB70 ..........SCAN Data F1h Scan In/ Out DataF8h Interrupt Flag Register B0................SBI SB Interrupt FlagMPU401 JoystickDMA Emulation Protocol PC/PCIDMA Digital Audio Interface Interrupt RoutingSerialized IRQ Hardware Volume Control Electrical Characteristics Absolute Maximum RatingsDC Characteristics Reset Master ClockPCI Interface Point to Point Input Hold Time for PciclkAC-2 / AC3F2 Master Clock AC-linkAC3F2 Interface Input Hold Time for AbclkAC3F2 Control Interface timing External Dimensions OFFYamaha Corporation
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