Yamaha YMF724F specifications Miscellaneous 15-pin, Power Supply 39-pin

Page 6

YMF724F

6. Miscellaneous (15-pin)

name

I/O

type

Size

function

 

 

 

 

 

ROMCS

O

T

3mA

Chip select for external EEPROM

ROMSK / VOLUP#

IO

Tup

3mA

Serial clock for external EEPROM

or Hardware Volume (Up)

 

 

 

 

ROMDO / VOLDW#

IO

Tup

3mA

Serial data output for external EEPROM

or Hardware Volume (Down)

 

 

 

 

ROMDI / TEST2#

I

Tup

-

Serial data input for external EEPROM or Test pin

(Do not connect externally when EEPROM is not.)

 

 

 

 

XI24

I

C

-

24.576 MHz Crystal

XO24

O

C

2mA

24.576 MHz Crystal

TEST[7:4,1:0]#

I

Tup

-

Test pins (Do not connect externally)

TEST3#

IO

Tup

3mA

Test pin (Connect to ground)

LOOPF[1:0]

-

-

-

Capacitor of PLL

Note) Hardware volume and EEPROM interface can not be used at the same time. When both hardware

volume and EEPROM are not used, do not connect these pins externally.

7. Power Supply (39-pin)

name

I/O

type

Size

function

 

 

 

 

 

PVDD[5:0]

-

-

-

Power supply for PCI Bus Interface (+5.0)

PVSS[14:0]

-

-

-

Ground for PCI Bus Interface

LVDD

-

-

-

Power supply for PLL Filter (+3.3)

LVSS

-

-

-

Ground for PLL Filter

VDD3[3:0]

-

-

-

Power supply (+3.3V)

VDD5[3:0]

-

-

-

Power supply (+5.0V)

VSS[7:0]

-

-

-

Ground

TYPE

T : TTL

A : Analog

Ptr : Tri-State PCI

Ttr : Tri-State TTL

C : CMOS

Pstr : Sustained Tri-Sate PCI

Tup : Pull up (Max. 300kohm) TTL

P : PCI

Pod : Open Drain PCI

September 21, 1998

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Contents Features OverviewLogos GM system levelSensaura PIN Configuration YMF724F-VPIN Description PCI Bus Interface 53-pinYMF730AC-2 Interface 6-pin YMF727AC3F2 Interface 9-pin Spdif Interface 1-pinLegacy Device Interface 16-pin Power Supply 39-pin Miscellaneous 15-pinBlock Diagram OPL3System Diagram DOS VMPCI Bus Command Function OverviewPCI Configuration Register 04 05h Command 00 01h Vendor ID02 03h Device ID 06 07h Status 0Ah Sub-class Code 08h Revision ID09h Programming Interface 0Bh Base Class Code0Dh Latency Timer 0Eh Header Type10 13h PCI Audio Memory Base Address 2C-2Dh Subsystem Vendor ID 2E-2Fh Subsystem ID34h Capability Register Pointer 3Eh Minimum Grant 3Ch Interrupt Line3Dh Interrupt Pin 3Fh Maximum Latency40 41h Legacy Audio Control B76 ..........SDMA Sound Blaster DMA-8 Channel Select B108 ........SBIRQ Sound Blaster IRQ 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 Select4A-4Bh DS-1 Power Control Register 46-47h Subsystem ID Write 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 blockB12..............PR4 AC-2 Power down Control B13..............PR5 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 Interrupt Routing Digital Audio InterfaceSerialized 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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