YMF754-R 데이터 시트보기 (PDF) - Yamaha Corporation

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YMF754-R

2.5/3.3V; DS-1E high performance audio controller for the PCI bus

Yamaha Corporation 

YMF754

3. External Audio Interface (5-pin)

Name

SPDIFOUT

SPDIFIN

ZVBCLK

ZVLRCK

ZVSDI

I/O Type

O

T

I Tup

I Tup

I Tup

I Tup

Size

2mA

-

-

-

-

Function

Digital Audio Interface output

Digital Audio Interface input

Zoomed Video Port Bit Clock

Zoomed Video Port L/R Clock

Zoomed Video Port Serial Data

4. Legacy Device Interface (15-pin)

Name

IRQ5

IRQ7

IRQ9

IRQ10

IRQ11

GP[3:0]

GP[7:4]

RXD

TXD

I/O Type

O Ttr

O Ttr

O Ttr

O Ttr

O Ttr

I

A

I Tup

I Tup

O

T

Size

6mA

6mA

6mA

6mA

6mA

-

-

-

2mA

Function

Interrupt 5 of Legacy Audio

It is directly connected to the interrupt signal of

System I/O chip.

Interrupt 7 of Legacy Audio

Interrupt 9 of Legacy Audio

Interrupt 10 of Legacy Audio

Interrupt 11 of Legacy Audio.

Joystick Port

Joystick Port

MIDI Data Receive

MIDI Data Transfer

5. Miscellaneous (11-pin)

Name

ROMCS

I/O Type

O

T

ROMSK / VOLUP# IO Tup

ROMDO / VOLDW# IO Tup

ROMDI

XI24

XO24

LOOPF

I

Tup

I

C

O

C

I

A

GPIO[2:0]

IO Tup

TEST#

I Tup

Size

2mA

2mA

2mA

-

-

-

-

6mA

-

Function

Chip select for external EEPROM

Serial clock for external EEPROM

or Hardware Volume (Up)

Serial data output for external EEPROM

or Hardware Volume (Down)

Serial data input for external EEPROM

24.576 MHz Crystal

24.576 MHz Crystal

Capacitor for PLL

General purpose Input / Output

GPIO2 can use for a reset pin of Secondary AC’97.

LSI Test pin (Do not connect externally.)

June 28, 1999

-6-

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